Critical Care Doctors (Anesthesiology) in Massachusetts
Data updated monthly · Last refresh October 2026
70 Critical Care Medicine (Anesthesiology) providers practice in Massachusetts, including 3 (4%) offering telehealth. The largest concentration is in Boston. 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.
70providers
3telehealth
Bostontop city
Critical Care Medicine (Anesthesiology) by city in Massachusetts
Choose a city to see providers there.
Where Critical Care Doctors (Anesthesiology) in Massachusetts practice
From CMS Medicare enrollment records covering 37 of the 70 providers listed here (53%). Providers who do not bill Medicare are not included in these figures.
0%solo or small practice (under 10 clinicians)
5%mid-size group (10 to 99)
95%large group or health system (100+)
Largest practice groups
| Group (as registered with Medicare) | Critical Care Doctors (Anesthesiology) | All clinicians in group | Main city |
| Massachusetts General Physicians Organization Inc. | 11 | 3,494 | Boston |
| Brigham and Womens Physicians Organization Inc. | 11 | 2,931 | Boston |
| Lahey Clinic Inc. | 7 | 1,381 | Burlington |
| Harvard Medical Faculty Phys at Beth Israel Deaconess Med Ctr Inc. | 3 | 1,693 | Boston |
| Associated Physicians of Harvard Medical Faculty Physicians at Beth Is | 3 | 566 | Boston |
Hospitals where they hold privileges
| Hospital | City | Ownership | CMS star rating | Critical Care Doctors (Anesthesiology) affiliated |
| Brigham and Women's Hospital | Boston | Nonprofit | 5 of 5 | 11 |
| Massachusetts General Hospital | Boston | Nonprofit | 5 of 5 | 10 |
| Lahey Hospital & Medical Center, Burlington | Burlington | Nonprofit | 4 of 5 | 7 |
| Northeast Hospital Corp.oration | Beverly | Nonprofit | 3 of 5 | 4 |
| Beth Israel Deaconess Medical Center | Boston | Nonprofit | 3 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.
Critical Care Medicine (Anesthesiology) providers in Massachusetts
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. Akiva Leibowitz, M.D.Boston, MA · No drug or device payments recorded (2025) ·
(617) 667-3112 Dr. Amanda Xi, MDBoston, MA · No drug or device payments recorded (2025) ·
(617) 724-7813 Dr. Amit Bardia, MDBoston, MA · No drug or device payments recorded (2025) ·
(617) 726-3030 Dr. Arthur Formanek, MDBoston, MA · No drug or device payments recorded (2025) ·
(617) 732-8210 Dr. Ata Kaynar, M.D.Boston, MA · No drug or device payments recorded (2025) ·
(617) 667-4700 Dr. Barry Kelly, MB, BCH, BAO, MRCP,Boston, MA · No drug or device payments recorded (2025) ·
(617) 667-3110 Dr. Boris Jung, MD. PHDBoston, MA · No drug or device payments recorded (2025) ·
(617) 667-3110 Dr. Carl Geahchan, M.DBoston, MA · No drug or device payments recorded (2025) ·
(617) 636-8003 Dr. Daniela Lazea, MDBoston, MA · No drug or device payments recorded (2025) ·
(617) 732-8210 Dr. Domagoj MladinovBoston, MA · No drug or device payments recorded (2025) ·
(617) 732-5500 Dr. Dwight Geha, M.D.Boston, MA · No drug or device payments recorded (2025) ·
(617) 726-8980 Dr. Frederic Debros, MDBoston, MA · No drug or device payments recorded (2025) ·
(617) 724-7184 Dr. Giora Landesberg, MDBoston, MA · No drug or device payments recorded (2025) ·
(617) 726-3030 Dr. Haobo Ma, MD MS MPHBoston, MA · No drug or device payments recorded (2025) ·
(617) 667-3112 Dr. Hovig Chitilian, MDBoston, MA · No drug or device payments recorded (2025) ·
(617) 726-3030 Dr. Jeanine Wiener-kronish, MDBoston, MA · No drug or device payments recorded (2025) ·
(617) 726-3030 Dr. Jerome Crowley, M.D.Boston, MA · $13,185 in drug and device payments (2025) ·
(919) 602-0298 Dr. John Reich, M.D.Boston, MA · No drug or device payments recorded (2025) ·
(617) 636-5000 Dr. Joseph Frassica, MD DDSBoston, MA · No drug or device payments recorded (2025) ·
(617) 724-4380 Dr. Joseph Jeevendra A. Martyn, MD Dr. Juan Ramos, MDBoston, MA · No drug or device payments recorded (2025) ·
(617) 938-8172 Dr. Kenneth Shelton, M.D.Boston, MA · No drug or device payments recorded (2025) ·
(617) 726-3030 Dr. Kevin Dennehy, MDBoston, MA · No drug or device payments recorded (2025) ·
(617) 726-3030 Dr. Lauren Gibson, MDBoston, MA · No drug or device payments recorded (2025) ·
(617) 724-4133 Dr. Lorenzo Berra, MDBoston, MA · $4,519 in drug and device payments (2025) ·
(617) 732-8210 Dr. Lynda Means, MDBoston, MA · No drug or device payments recorded (2025) ·
(617) 355-7737 Dr. Mark Rockoff, MDBoston, MA · No drug or device payments recorded (2025) ·
(617) 734-5748 Dr. Martin Zammert, M.D.Boston, MA · No drug or device payments recorded (2025) ·
(617) 732-8210 Dr. Matthew Anstey, M.DBoston, MA · No drug or device payments recorded (2025) ·
(617) 754-2129 Dr. Maximilian Hoffman, MDBoston, MA · No drug or device payments recorded (2025) ·
(617) 726-3030 Dr. Michael Mcmanus, MD, MPHBoston, MA · No drug or device payments recorded (2025) ·
(617) 355-7327 Dr. Peter Dunn, MDBoston, MA · No drug or device payments recorded (2025) ·
(617) 726-7542 Dr. Samuel Mcaleese, MDBoston, MA · No drug or device payments recorded (2025) ·
(617) 724-9040 Dr. Sarah Maben, M.D.Boston, MA · No drug or device payments recorded (2025) ·
(617) 667-3112 Dr. Shahzad Shaefi, MBBSBoston, MA · No drug or device payments recorded (2025) ·
(617) 732-8210 Dr. Stefano Spina, MDBoston, MA · No drug or device payments recorded (2025) ·
(617) 643-2652 Dr. Sui An Lie, MDBoston, MA · No drug or device payments recorded (2025) ·
(617) 378-7116 Dr. Tamara Greaves, M.B.B.SBoston, MA · No drug or device payments recorded (2025) ·
(617) 735-5404 Dr. Thomas Mancuso, MDBoston, MA · No drug or device payments recorded (2025) ·
(617) 355-8984 Dr. Vyshakh Shibu, MDBoston, MA · No drug or device payments recorded (2025) ·
(617) 726-3030 Dr. William Benedetto, MDBoston, MA · No drug or device payments recorded (2025) ·
(617) 726-3030 Dr. Wilton Levine, MDBoston, MA · No drug or device payments recorded (2025) ·
(617) 726-8809 Dr. Yumiko Ishizawa, MD PHD MPHBoston, MA · No drug or device payments recorded (2025) ·
(617) 726-3030 Dr. Harinder Singh, MDBrockton, MA · No drug or device payments recorded (2025) ·
(508) 897-4761 Dr. Khaled Sorour, MDBrockton, MA · No drug or device payments recorded (2025) · Telehealth ·
(508) 941-7656 Common questions
How many Critical Care Medicine (Anesthesiology) providers are in Massachusetts?There are 70 Critical Care Medicine (Anesthesiology) providers with active NPI records practicing in Massachusetts, according to federal NPPES data refreshed monthly.
Do Critical Care Medicine (Anesthesiology) providers in Massachusetts offer telehealth?Yes. 3 of the 70 Critical Care Medicine (Anesthesiology) providers in Massachusetts (about 4%) report offering telehealth services in CMS data.
Which cities in Massachusetts have the most Critical Care Medicine (Anesthesiology) providers?Boston (48), Burlington (5), West Roxbury (5) have the highest concentration of Critical Care Medicine (Anesthesiology) providers in Massachusetts.
How many Critical Care Medicine (Anesthesiology) providers in Massachusetts received drug or device company payments?12 of 70 Critical Care Medicine (Anesthesiology) providers in Massachusetts (17%) received at least one payment from a drug or device company in 2025, according to the federal Open Payments program.
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 Critical Care Doctors (Anesthesiology) in Massachusetts work in independent practices or large health systems?Among 37 Critical Care Doctors (Anesthesiology) in Massachusetts enrolled in Medicare, 0% bill through a solo or small practice with fewer than 10 clinicians, 5% through a mid-size group of 10 to 99, and 95% through a large group or health system with 100 or more clinicians, according to CMS enrollment records.
Which hospitals do Critical Care Doctors (Anesthesiology) in Massachusetts work at?According to CMS facility affiliation records, the Massachusetts hospitals where the most Critical Care Doctors (Anesthesiology) hold privileges are Brigham and Women's Hospital in Boston; Massachusetts General Hospital in Boston; Lahey Hospital & Medical Center, Burlington in Burlington.
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