Fertility Specialists (Reproductive Endocrinologists) in Massachusetts
Data updated monthly · Last refresh October 2026
70 Reproductive Endocrinology providers practice in Massachusetts, including 4 (6%) 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
4telehealth
Bostontop city
Reproductive Endocrinology by city in Massachusetts
Choose a city to see providers there.
Where Fertility Specialists (Reproductive Endocrinologists) in Massachusetts practice
From CMS Medicare enrollment records covering 30 of the 70 providers listed here (43%). Providers who do not bill Medicare are not included in these figures.
7%solo or small practice (under 10 clinicians)
7%mid-size group (10 to 99)
87%large group or health system (100+)
Largest practice groups
| Group (as registered with Medicare) | Fertility Specialists (Reproductive Endocrinologists) | All clinicians in group | Main city |
| Massachusetts General Physicians Organization Inc. | 7 | 3,494 | Boston |
| Brigham and Womens Physicians Organization Inc. | 7 | 2,931 | Boston |
| Atrius Health Inc. | 7 | 1,214 | Boston |
| Umass Memorial Medical Group Inc. | 4 | 2,494 | Worcester |
Hospitals where they hold privileges
| Hospital | City | Ownership | CMS star rating | Fertility Specialists (Reproductive Endocrinologists) affiliated |
| Brigham and Women's Hospital | Boston | Nonprofit | 5 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.
Reproductive Endocrinology 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. Alexa Sassin, MDBoston, MA · No drug or device payments recorded (2025) ·
(617) 726-8868 Dr. Antonio Gargiulo, MDBoston, MA · $21 in drug and device payments (2025) · Telehealth ·
(617) 732-4285 Dr. Brian Walsh, MDBoston, MA · No drug or device payments recorded (2025) ·
(617) 732-4222 Dr. Charles-chidi Obasiolu, M.D.Boston, MA · No drug or device payments recorded (2025) ·
(617) 421-2987 Dr. Eden Cardozo Levy, M.D.Boston, MA · No drug or device payments recorded (2025) ·
(617) 726-8868 Dr. Elena Yanushpolsky, MDBoston, MA · No drug or device payments recorded (2025) ·
(617) 732-4222 Dr. Elizabeth Ginsburg, MD Dr. Evelyn Minis, MDBoston, MA · No drug or device payments recorded (2025) ·
(617) 643-2597 Dr. Janis Fox, MDBoston, MA · No drug or device payments recorded (2025) ·
(617) 732-4222 Dr. Jan Shifren, MDBoston, MA · No drug or device payments recorded (2025) · Telehealth ·
(617) 726-8868 Dr. Jeremy ApplebaumBoston, MA · No drug or device payments recorded (2025) ·
(410) 955-5000 Dr. Mark Hornstein, MDBoston, MA · No drug or device payments recorded (2025) ·
(617) 726-8433 Dr. Serene Srouji, MDBoston, MA · No drug or device payments recorded (2025) · Telehealth ·
(617) 732-4648 Dr. Shruthi Mahalingaiah, M.D. Dr. Thomas Toth, MDBoston, MA · No drug or device payments recorded (2025) ·
(617) 726-8868 Dr. David Ryley, M.D.Brookline, MA · No drug or device payments recorded (2025) ·
(617) 735-9000 Dr. Selwyn Oskowitz, M.D.Brookline, MA · No drug or device payments recorded (2025) ·
(617) 735-9000 Dr. Steven Bayer, M.D.Brookline, MA · No drug or device payments recorded (2025) ·
(617) 735-9000 Dr. Aaron Styer, MDChestnut Hill, MA · $32 in drug and device payments (2025) ·
(617) 449-9750 Dr. Jessica Ryniec, MDChestnut Hill, MA · $36 in drug and device payments (2025) ·
(617) 449-9750 Dr. Katherine Koniares, MDChestnut Hill, MA · $294 in drug and device payments (2025) ·
(617) 449-9750 Dr. Kayla TudrynChicopee, MA · No drug or device payments recorded (2025) ·
(413) 887-7226 Dr. Mitchell Rein, M.D.Danvers, MA · No drug or device payments recorded (2025) · Telehealth ·
(978) 739-6920 Dr. Carol Anania, M.D.Dedham, MA · No drug or device payments recorded (2025) ·
(781) 326-2451 Dr. Denis Vaughan, MB BCH BAO MRCPI Dr. Pei-li Huang, M.D.Dedham, MA · No drug or device payments recorded (2025) ·
(781) 326-2451 Dr. Pietro BortolettoDedham, MA · $21,455 in drug and device payments (2025) ·
(781) 675-3192 Dr. Robert Howe, MDE Longmeadow, MA · $33 in drug and device payments (2025) ·
(413) 525-5160 Dr. Dan Tulchinsky, M.D.Lexington, MA · No drug or device payments recorded (2025) ·
(781) 674-1200 Dr. Kristen Wright, MDLexington, MA · $123 in drug and device payments (2025) ·
(781) 674-1200 Dr. Samuel Pang, M.D.Lexington, MA · No drug or device payments recorded (2025) ·
(800) 858-4832 Dr. Samuel Pauli, M.D,Lexington, MA · $83 in drug and device payments (2025) ·
(180) 085-8483 Dr. Brian Clark, MDMillbury, MA · $119 in drug and device payments (2025) ·
(508) 917-6720 Dr. Alison Zimon, M.D.Newton Corner, MA · $36 in drug and device payments (2025) ·
(617) 449-9750 Dr. Brian Berger, M.D.Quincy, MA · No drug or device payments recorded (2025) ·
(617) 793-1100 Dr. Robin Fischer, M.D.Quincy, MA · No drug or device payments recorded (2025) ·
(617) 246-6140 Dr. Amir Mor, MDReading, MA · No drug or device payments recorded (2025) ·
(781) 942-7000 Dr. Beth Plante, M.D.Reading, MA · No drug or device payments recorded (2025) ·
(781) 942-7000 Dr. Danielle Vitiello, PHD, MDReading, MA · No drug or device payments recorded (2025) ·
(781) 942-7000 Dr. John Petrozza, MDReading, MA · $144 in drug and device payments (2025) ·
(781) 942-7000 Dr. R. Ian Hardy, M.D., PH.D.Reading, MA · No drug or device payments recorded (2025) ·
(781) 942-7000 Dr. Robert Weiss, M.D.Reading, MA · No drug or device payments recorded (2025) ·
(781) 942-7000 Dr. Cynthia Sites, MDSpringfield, MA · No drug or device payments recorded (2025) ·
(413) 794-7045 Dr. Donna O'shea, M.D.Springfield, MA · No drug or device payments recorded (2025) ·
(413) 794-7045 Common questions
How many Reproductive Endocrinology providers are in Massachusetts?There are 70 Reproductive Endocrinology providers with active NPI records practicing in Massachusetts, according to federal NPPES data refreshed monthly.
Do Reproductive Endocrinology providers in Massachusetts offer telehealth?Yes. 4 of the 70 Reproductive Endocrinology providers in Massachusetts (about 6%) report offering telehealth services in CMS data.
Which cities in Massachusetts have the most Reproductive Endocrinology providers?Boston (18), Worcester (9), Reading (8) have the highest concentration of Reproductive Endocrinology providers in Massachusetts.
How many Reproductive Endocrinology providers in Massachusetts received drug or device company payments?28 of 70 Reproductive Endocrinology providers in Massachusetts (40%) 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 Fertility Specialists (Reproductive Endocrinologists) in Massachusetts work in independent practices or large health systems?Among 30 Fertility Specialists (Reproductive Endocrinologists) in Massachusetts enrolled in Medicare, 7% bill through a solo or small practice with fewer than 10 clinicians, 7% through a mid-size group of 10 to 99, and 87% through a large group or health system with 100 or more clinicians, according to CMS enrollment records.
Which hospitals do Fertility Specialists (Reproductive Endocrinologists) in Massachusetts work at?According to CMS facility affiliation records, the Massachusetts hospitals where the most Fertility Specialists (Reproductive Endocrinologists) hold privileges are Brigham and Women's Hospital in Boston.
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