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Obstetricians in Massachusetts

Data updated monthly · Last refresh October 2026

26 Obstetrics providers practice in Massachusetts, including 2 (8%) 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.

26providers
2telehealth
Bostontop city

Obstetrics by city in Massachusetts

Choose a city to see providers there.

Obstetrics in Boston9 providers
Obstetrics in Worcester5 providers
Obstetrics in Leominster1 providers
Obstetrics in Wellesley Hills1 providers
Obstetrics in Springfield1 providers
Obstetrics in Weymouth1 providers
Obstetrics in Fall River1 providers
Obstetrics in Danvers1 providers
Obstetrics in Brockton1 providers
Obstetrics in Needham1 providers
Obstetrics in Cambridge1 providers
Obstetrics in Dedham1 providers
Obstetrics in Arlington1 providers
Obstetrics in Pembroke1 providers

Where Obstetricians in Massachusetts practice

From CMS Medicare enrollment records covering 12 of the 26 providers listed here (46%). Providers who do not bill Medicare are not included in these figures.

8%solo or small practice (under 10 clinicians)
33%mid-size group (10 to 99)
58%large group or health system (100+)

Hospitals where they hold privileges

HospitalCityOwnershipCMS star ratingObstetricians affiliated
Beth Israel Deaconess Medical CenterBostonNonprofit3 of 53
Mount Auburn HospitalCambridgeNonprofit4 of 52

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.

Obstetrics 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. Taylor Hotchkiss, M.D.
Arlington, MA · $27 in drug and device payments (2025) · (781) 646-1043
Dr. Adrian Chiem, MD
Boston, MA · $5 in drug and device payments (2025) · (617) 732-4806
Dr. Alison Vogell
Boston, MA · $12,785 in drug and device payments (2025) · (617) 636-5000
Dr. Emma Patterson
Boston, MA · No drug or device payments recorded (2025) · (617) 636-2229
Dr. Jonathan Friedes, MD
Boston, MA · No drug or device payments recorded (2025) · (617) 421-1191
Dr. Katherine Mathews, MD
Boston, MA · No drug or device payments recorded (2025) · (774) 319-1355
Dr. Lily Wu, M.D.
Boston, MA · No drug or device payments recorded (2025) · (617) 667-7000
Dr. Lisa Haddad, M.D.
Boston, MA · No drug or device payments recorded (2025) · (617) 732-6660
Dr. Madelyn Conner, MD
Boston, MA · No drug or device payments recorded (2025) · (617) 414-2000
Dr. Radhika Datar, MD
Boston, MA · No drug or device payments recorded (2025) · Telehealth · (617) 414-2000
Dr. Shenbagavalli Ramaswami, MD
Brockton, MA · No drug or device payments recorded (2025) · (781) 585-9522
Dr. Chana Wasserman, MD
Cambridge, MA · No drug or device payments recorded (2025) · (617) 253-0556
Dr. Melanie Nathan, MD
Danvers, MA · $73 in drug and device payments (2025) · Telehealth · (978) 739-6950
Dr. Serena Rosa, WHNP, MPH, CLC
Dedham, MA · No drug or device payments recorded (2025) · (800) 930-5956
Dr. Mohamed Ali, M.D.
Fall River, MA · No drug or device payments recorded (2025) · (508) 679-0911
Dr. Robert Dalessandro
Leominster, MA · No drug or device payments recorded (2025) · (978) 534-5212
Dr. Susan Lincoln, M.D.
Needham, MA · No drug or device payments recorded (2025) · (617) 754-1800
Dr. Peter Brown, MD
Pembroke, MA · No drug or device payments recorded (2025) · (781) 585-9522
Dr. Debra Disandro, M.D.
Springfield, MA · No drug or device payments recorded (2025) · (413) 781-8290
Dr. Paul Richer, MD
Wellesley Hills, MA · No drug or device payments recorded (2025) · (781) 237-0080
Dr. Janelle Murphy, NP
Weymouth, MA · No drug or device payments recorded (2025) · (781) 682-8000
Dr. Amir Mehdizadeh, M.D.
Worcester, MA · $113 in drug and device payments (2025) · (508) 755-4861
Dr. Debra Papa, M.D.
Worcester, MA · No drug or device payments recorded (2025) · (508) 334-6255
Dr. Edward Peskin, M.D.
Worcester, MA · No drug or device payments recorded (2025) · (508) 334-6255
Dr. Mary Herlihy, M.D.
Worcester, MA · No drug or device payments recorded (2025) · (508) 334-6255
Dr. Patricia Aronson, M.D.
Worcester, MA · No drug or device payments recorded (2025) · (508) 334-6255

Common questions

How many Obstetrics providers are in Massachusetts?

There are 26 Obstetrics providers with active NPI records practicing in Massachusetts, according to federal NPPES data refreshed monthly.

Do Obstetrics providers in Massachusetts offer telehealth?

Yes. 2 of the 26 Obstetrics providers in Massachusetts (about 8%) report offering telehealth services in CMS data.

Which cities in Massachusetts have the most Obstetrics providers?

Boston (9), Worcester (5), Leominster (1) have the highest concentration of Obstetrics providers in Massachusetts.

How many Obstetrics providers in Massachusetts received drug or device company payments?

5 of 26 Obstetrics providers in Massachusetts (19%) 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 Obstetricians in Massachusetts work in independent practices or large health systems?

Among 12 Obstetricians in Massachusetts enrolled in Medicare, 8% bill through a solo or small practice with fewer than 10 clinicians, 33% through a mid-size group of 10 to 99, and 58% through a large group or health system with 100 or more clinicians, according to CMS enrollment records.

Which hospitals do Obstetricians in Massachusetts work at?

According to CMS facility affiliation records, the Massachusetts hospitals where the most Obstetricians hold privileges are Beth Israel Deaconess Medical Center in Boston; Mount Auburn Hospital in Cambridge.

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Related

Sources: NPPES (CMS), Doctors and Clinicians national files, CMS Open Payments 2025. Updated monthly. Records are public federal data and are not verified credentials, licensure checks, or endorsements. This directory is informational and not medical advice. How we build this directory. Are you a Obstetrics in Massachusetts? Get featured.