Mary Baker-Berzansky, MD
Obstetrics & Gynecology Physician · Haverhill, MA
Mary Baker-Berzansky, MD is an obstetrics & gynecology physician with a practice address in Haverhill, Massachusetts, and NPI 1790782852, issued on Jul 5, 2005. Check the license (Massachusetts 76761, as entered in NPPES) on the Massachusetts Board of Registration in Medicine; the Medicare figures below come from public CMS files.
- Name
- Mary Baker-Berzansky
- Credential
- MD
- Primary taxonomy
- Obstetrics & Gynecology Physician 207V00000X
- License number
- 76761 MA
Self-reported in NPPES; status is on the state search - Practice location
- 2 Water St, Haverhill, MA 01830
- Phone
- (978) 556-0100
- Enumerated
- Jul 5, 2005
- Record last updated
- Mar 16, 2011 (not updated in 15 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20040806000655); accepts Medicare assignment
- Medical or professional school
- University Of Massachusetts Medical School, 1989
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
Also registered at 2 Water St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Sai Anusha Adlur Janakiraman, DMDGeneral Practice Dentistry1508350778
- Alexandro Ahmar, DMDOrthodontics and Dentofacial Orthopedics Dentistry1063997567
- Beth Greene, D.C.Chiropractor1326170622
- Susan Janeczek, LMTMassage Therapist1629303102
- Emilio Jimenez Colon, D.M.DProsthodontics1386764298
- Rebecca Marley, LDNNutritionist1790757342
Verify Mary Baker-Berzansky in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMassachusetts Board of Registration in Medicine
Search for license 76761Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
6.3 times the Medicare Part D claims of the average obstetrics & gynecology physician in 2024
1,046 Medicare Part D claims for 288 beneficiaries, against an average of 165 among the 28,733 providers of this specialty who prescribed in Part D. Brand-name drugs were 23% of claims.
Most prescribed
- Estradiol302 claims
- Estradiol (Once Weekly)57 claims
- Betamethasone Diprop Augmented56 claims
- Myrbetriq55 claims
- Yuvafem54 claims
- Metronidazole51 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Bills Medicare through one group practice
- Seacoast Affiliated Group Practice IncNewburyport, MA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
10 obstetrics & gynecology physician records list a practice address in Haverhill
They are 10 of the 1,185 NPPES records with a practice address in Haverhill, and 1,127 obstetrics & gynecology physician records in Massachusetts.
All 10 in Haverhill → All 1,127 in Massachusetts → Every provider in Haverhill →
Other obstetrics & gynecology physician records in Massachusetts
- Mary Kathryn Abel, ABBoston, MA1699415778
- Marie Elise Abi Antoun, MDBoston, MA1356042626
- Ashley Ackerman, MDBrookline, MA1205930625
- Christina Acocella, M.D.Framingham, MA1487090023
- Kirsten AdamsBoston, MA1477203446
- Tejumola Adegoke, MDBoston, MA1356768600
- David Adelstein, D.O.Wareham, MA1619994290
- William Agel, MDHyannis, MA1871560375
- Agnes Ahn, DONorwood, MA1508848722
- Tracey Akanbi, M.D.Boston, MA1649686874
Common questions
What is Mary Baker-Berzansky, MD's NPI number?
Mary Baker-Berzansky, MD's National Provider Identifier (NPI) is 1790782852, issued on Jul 5, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Mary Baker-Berzansky, MD located?
The NPPES record lists a practice address at 2 Water St, Haverhill, MA, 01830. Phone: (978) 556-0100. Providers update this record themselves, so call before visiting.
How can I verify Mary Baker-Berzansky, MD's license?
NPPES lists Massachusetts license number 76761, as entered by the provider. Search the Massachusetts Board of Registration in Medicine at https://findmydoctor.mass.gov/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Mary Baker-Berzansky, MD prescribe under Medicare Part D?
In 2024, Mary Baker-Berzansky, MD had 1,046 Medicare Part D claims for 288 beneficiaries; the average among obstetrics & gynecology physician prescribers was 165. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.