Infectious Disease Specialists in New Hampshire
Data updated monthly · Last refresh October 2026
49 Infectious Disease providers practice in New Hampshire, including 28 (57%) offering telehealth. The largest concentration is in Lebanon. Profiles include federal Open Payments records of money received from drug and device companies in 2025. Listings are drawn from federal public records and are not endorsements.
49providers
28telehealth
Lebanontop city
Infectious Disease by city in New Hampshire
Choose a city to see providers there.
Where Infectious Disease Specialists in New Hampshire practice
From CMS Medicare enrollment records covering 31 of the 49 providers listed here (63%). Providers who do not bill Medicare are not included in these figures.
0%solo or small practice (under 10 clinicians)
0%mid-size group (10 to 99)
100%large group or health system (100+)
Largest practice groups
| Group (as registered with Medicare) | Infectious Disease Specialists | All clinicians in group | Main city |
| Dartmouth-Hitchcock Clinic | 16 | 1,445 | Lebanon |
| Mary Hitchcock Memorial Hospital | 14 | 1,269 | Lebanon |
| Concord Hospital Inc. | 4 | 572 | Concord |
| Foundation Medical Partners Inc. | 4 | 313 | Merrimack |
| Wentworth Douglass Physician Corp.oration | 3 | 429 | Dover |
Hospitals where they hold privileges
| Hospital | City | Ownership | CMS star rating | Infectious Disease Specialists affiliated |
| Mary Hitchcock Memorial Hospital | Lebanon | Nonprofit | 3 of 5 | 18 |
| Cheshire Medical Center | Keene | Nonprofit | 4 of 5 | 8 |
| Alice Peck Day Memorial Hospital | Lebanon | Nonprofit | 4 of 5 | 6 |
| Elliot Hospital | Manchester | Nonprofit | 2 of 5 | 5 |
| Wentworth-Douglass Hospital | Dover | Nonprofit | 4 of 5 | 4 |
Sources: CMS Doctors and Clinicians (August 2026) and Facility Affiliation files (August 2026); hospital ownership type and overall star rating from CMS Hospital General Information (July 2026). A clinician in several groups is counted once, in the largest group they bill through. Ownership type is what the hospital reports to CMS; it does not show private equity or other investor ownership. How we build this directory.
Infectious Disease providers in New Hampshire
Listed by city, largest first. Payment figures come from the federal Open Payments program, which requires drug and device companies to report what they pay physicians for consulting, speaking, meals, travel and royalties. A disclosed payment is a financial relationship, not evidence of wrongdoing, and many totals reflect a single meal. Figures cover calendar year 2025.
Dr. James Noble, MDConcord, NH · No drug or device payments recorded (2025) ·
(603) 230-1939 Dr. Jennifer Gittzus, M.D.Concord, NH · No drug or device payments recorded (2025) · Telehealth ·
(603) 230-1939 Dr. Joshua White, MDConcord, NH · No drug or device payments recorded (2025) · Telehealth ·
(603) 230-1939 Dr. Rattanaporn Mahatanan, M.DConcord, NH · No drug or device payments recorded (2025) · Telehealth ·
(603) 230-1939 Dr. Artemio Mendoza, MDDover, NH · $121 in drug and device payments (2025) · Telehealth ·
(603) 742-7025 Dr. Malcolm Rosenson, MDDover, NH · No drug or device payments recorded (2025) ·
(603) 740-2832 Dr. Aalok Khole, MDKeene, NH · No drug or device payments recorded (2025) · Telehealth ·
(603) 354-5400 Dr. Alan Lein, M.D.Keene, NH · No drug or device payments recorded (2025) ·
(603) 354-5454 Dr. Ambreen Khalil, MDKeene, NH · No drug or device payments recorded (2025) · Telehealth ·
(603) 354-5400 Dr. Carl Dematteo, MDKeene, NH · No drug or device payments recorded (2025) ·
(603) 354-6534 Dr. Sergio Reyes Salcedo, MDKeene, NH · No drug or device payments recorded (2025) · Telehealth ·
(603) 354-5400 Dr. Anais Ovalle, M.D.Lebanon, NH · No drug or device payments recorded (2025) · Telehealth ·
(603) 650-5000 Dr. Antonia Altomare, D.O.Lebanon, NH · No drug or device payments recorded (2025) · Telehealth ·
(603) 650-8840 Dr. Apara Dave, MDLebanon, NH · No drug or device payments recorded (2025) · Telehealth ·
(603) 448-3121 Dr. Bryan Marsh, M.D.Lebanon, NH · No drug or device payments recorded (2025) · Telehealth ·
(603) 650-6239 Dr. Charles Vonreyn, MDLebanon, NH · No drug or device payments recorded (2025) ·
(603) 650-8840 Dr. Christopher Ohl, MDLebanon, NH · No drug or device payments recorded (2025) ·
(603) 650-5000 Dr. Colleen Kershaw, M.DLebanon, NH · No drug or device payments recorded (2025) · Telehealth ·
(603) 650-6060 Dr. David De Gijsel, M.D.Lebanon, NH · No drug or device payments recorded (2025) · Telehealth ·
(603) 650-6060 Dr. Elizabeth Talbot, MDLebanon, NH · $7,965 in drug and device payments (2025) · Telehealth ·
(603) 650-8840 Dr. Gabriela Andujar Vazquez, M.D.Lebanon, NH · $161 in drug and device payments (2025) · Telehealth ·
(603) 650-5000 Dr. Harmony Tyner, MDLebanon, NH · No drug or device payments recorded (2025) · Telehealth ·
(603) 650-5000 Dr. Jeffrey Parsonnet, M.D.Lebanon, NH · No drug or device payments recorded (2025) · Telehealth ·
(603) 650-6060 Dr. Laura Shevy, MDLebanon, NH · No drug or device payments recorded (2025) ·
(603) 650-5000 Dr. Mary-margaret Andrews, MDLebanon, NH · No drug or device payments recorded (2025) ·
(603) 650-6060 Dr. Michael Calderwood, M.D., M.P.H.Lebanon, NH · No drug or device payments recorded (2025) · Telehealth ·
(603) 650-6060 Dr. Patrick Passarelli, MDLebanon, NH · No drug or device payments recorded (2025) ·
(603) 650-5000 Dr. Rebecca WangLebanon, NH · No drug or device payments recorded (2025) · Telehealth ·
(603) 650-6060 Dr. Richard Zuckerman, MD, MPHLebanon, NH · No drug or device payments recorded (2025) · Telehealth ·
(603) 650-6060 Dr. Ruta Shah, M.D.Lebanon, NH · No drug or device payments recorded (2025) · Telehealth ·
(603) 650-6060 Dr. Ruth Berggren, M.D.Lebanon, NH · No drug or device payments recorded (2025) · Telehealth ·
(603) 650-5000 Dr. Sharon Alroy-preis, M.DLebanon, NH · No drug or device payments recorded (2025) ·
(603) 650-5735 Dr. Sonia Chimienti, M.D.Lebanon, NH · No drug or device payments recorded (2025) ·
(603) 650-6060 Dr. Surachai Supattapone, M.D., PH.D., D.PHIL.Lebanon, NH · No drug or device payments recorded (2025) ·
(603) 650-6060 Dr. Vera Luther, M.D.Lebanon, NH · No drug or device payments recorded (2025) ·
(603) 650-5000 Dr. Yuki Aoyagi, M.D., M.P.H., M.A.Lebanon, NH · No drug or device payments recorded (2025) ·
(603) 650-6060 Dr. Alexander Granok, MDMerrimack, NH · $184 in drug and device payments (2025) · Telehealth ·
(603) 429-1611 Dr. Annie Mathew, MDMerrimack, NH · No drug or device payments recorded (2025) · Telehealth ·
(603) 429-1611 Dr. Elizabeth Clark, M.D.Merrimack, NH · No drug or device payments recorded (2025) ·
(603) 429-1611 Dr. Geetika SharmaMerrimack, NH · No drug or device payments recorded (2025) · Telehealth ·
(603) 429-1611 Dr. Kateryna ChepenkoMerrimack, NH · No drug or device payments recorded (2025) ·
(603) 429-1611 Dr. Michael Strampfer, MDMerrimack, NH · No drug or device payments recorded (2025) ·
(603) 429-1611 Dr. Nida Arif, M.DMerrimack, NH · $16 in drug and device payments (2025) · Telehealth ·
(603) 429-1611 Dr. Roma Cruz-king, MDMerrimack, NH · $96 in drug and device payments (2025) · Telehealth ·
(603) 429-1611 Dr. Dafer Al-haddadin, MDPortsmouth, NH · No drug or device payments recorded (2025) ·
(603) 434-8733 Dr. David Itkin, MDPortsmouth, NH · No drug or device payments recorded (2025) ·
(603) 433-8733 Dr. Mohamed Yussif, MDPortsmouth, NH · No drug or device payments recorded (2025) ·
(470) 290-9025 Dr. Ronaldo Patiag, M.D.Portsmouth, NH · $259 in drug and device payments (2025) · Telehealth ·
(603) 433-8733 Dr. Irene Rupp Hodge, MDRochester, NH · No drug or device payments recorded (2025) ·
(603) 335-8866 Conditions Infectious Disease providers in New Hampshire commonly treat
Patients often search by condition rather than specialty. These are conditions typically managed by Infectious Disease providers. Individual practices vary, so confirm with the provider before booking.
- Long COVID
- HIV care
- Lyme disease
- Recurrent infections
- Travel medicine
Common questions
How many Infectious Disease providers are in New Hampshire?There are 49 Infectious Disease providers with active NPI records practicing in New Hampshire, according to federal NPPES data refreshed monthly.
Do Infectious Disease providers in New Hampshire offer telehealth?Yes. 28 of the 49 Infectious Disease providers in New Hampshire (about 57%) report offering telehealth services in CMS data.
Which cities in New Hampshire have the most Infectious Disease providers?Lebanon (25), Merrimack (8), Keene (5) have the highest concentration of Infectious Disease providers in New Hampshire.
How many Infectious Disease providers in New Hampshire received drug or device company payments?7 of 49 Infectious Disease providers in New Hampshire (14%) received at least one payment from a drug or device company in 2025, according to the federal Open Payments program.
What conditions do Infectious Disease providers in New Hampshire treat?Infectious Disease providers commonly treat long COVID, HIV care, Lyme disease, recurrent infections, travel medicine and related conditions. Individual practices vary, so confirm with the provider before booking.
Where does this data come from?Provider counts and profiles come from the federal NPPES registry and CMS Doctors and Clinicians files. Payment figures come from the CMS Open Payments program for calendar year 2025. The directory refreshes monthly.
Do most Infectious Disease Specialists in New Hampshire work in independent practices or large health systems?Among 31 Infectious Disease Specialists in New Hampshire enrolled in Medicare, 0% bill through a solo or small practice with fewer than 10 clinicians, 0% through a mid-size group of 10 to 99, and 100% through a large group or health system with 100 or more clinicians, according to CMS enrollment records.
Which hospitals do Infectious Disease Specialists in New Hampshire work at?According to CMS facility affiliation records, the New Hampshire hospitals where the most Infectious Disease Specialists hold privileges are Mary Hitchcock Memorial Hospital in Lebanon; Cheshire Medical Center in Keene; Alice Peck Day Memorial Hospital in Lebanon.
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