Sarah Heatherington Zarek, M.D.
Obstetrics & Gynecology Physician · Boston, MA
Sarah Heatherington Zarek, M.D. is an obstetrics & gynecology physician with a practice address in Boston, Massachusetts, and NPI 1245404391, issued on Apr 19, 2008. Check the license (Massachusetts 243571, as entered in NPPES) on the Massachusetts Board of Registration in Medicine; the Medicare figures below come from public CMS files.
- Name
- Sarah Heatherington Zarek
- Credential
- M.D.
- Primary taxonomy
- Obstetrics & Gynecology Physician 207V00000X
- License numbers
- 243571 MA
6808732-1205 UT
Self-reported in NPPES; status is on the state search - Practice location
- 165 Dartmouth St, Boston, MA 02116
- Phone
- (617) 859-5250
- Enumerated
- Apr 19, 2008
- Record last updated
- Aug 18, 2011 (not updated in 15 years: call before relying on the address or phone)
- Fax
- (617) 859-5051
- Medicaid ID
- 110086495A MA
- Medicare enrollment
- Enrolled (PECOS I20140624000520); accepts Medicare assignment
- Medical or professional school
- Medical University Of South Carolina College Of Medicine, 2006
- Entity
- Type 1 · individual
8 nearest obstetrics & gynecology physician records → All 1,127 in Massachusetts → Look up another NPI →
Also registered at 165 Dartmouth St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Stephen Baer, MDObstetrics & Gynecology Physician1578528568
- Bryan Bordeaux, D.O.Internal Medicine Physician1972560696
- Mary Carson, MDObstetrics & Gynecology Physician1356308787
- Mackenzie Casey, FNP-BC, RNPrimary Care Nurse Practitioner1033897731
- Michelle Chan, FNP-BCFamily Nurse Practitioner1952003386
- Sameer Chinoy, MDFamily Medicine Physician1770677767
Verify Sarah Heatherington Zarek in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMassachusetts Board of Registration in Medicine
Search for license 243571Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
87% fewer Medicare Part D claims than the average obstetrics & gynecology physician in 2024
22 Medicare Part D claims, against an average of 165 among the 28,733 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of claims.
Most prescribed
- Estradiol12 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.
Industry payments in 2024: $45.57
2 payments; by number, the most common kind was food and beverage; the largest payer was Hologic Sales and Service, LLC. The 21,429 providers of this specialty with any payment received $1,030.61 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through one group practice
- Ihc Health Services IncMurray, UT
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Sarah Heatherington Zarek among 1,127 obstetrics & gynecology physician records in Massachusetts
Sarah Heatherington Zarek, M.D. is one of 1,127 obstetrics & gynecology physician records with a practice address in Massachusetts. 73% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2008, is newer than 61% of them.
- NPI issued2008 · 61% of these records are older, 36% newer
- In a Medicare fileYes · 73% of these records are
- In the CMS Doctors and Clinicians fileYes · 64% of these records are
- Graduated2006 · median 2004 among the 715 with a school on file
- Record last updated2011 · 64% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207V00000X and a Massachusetts practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Obstetrics & Gynecology Physician providers in Massachusetts
There are 1,127 obstetrics & gynecology physician records in Massachusetts.
All 1,127 in Massachusetts → Every provider in Boston → Obstetrics & Gynecology Physician nationwide →
The 8 obstetrics & gynecology physician records with the nearest ZIP codes
- Stephen Baer, MDBoston, MA 021161578528568
- Mary Carson, MDBoston, MA 021161356308787
- Denise Morin, M.D.Boston, MA 021161306878830
- Martha Richardson, M.D.Boston, MA 021161467567420
- Alice Rothchild, MDBoston, MA 021161598814345
- Kathleen Speese, CRNP, WHNP-BCBoston, MA 021161710633649
- Mary Kathryn Abel, ABBoston, MA 021151699415778
- Maame Yaa Brako, MDBoston, MA 021151437851094
Common questions
What is Sarah Heatherington Zarek, M.D.'s NPI number?
Sarah Heatherington Zarek, M.D.'s National Provider Identifier (NPI) is 1245404391, issued on Apr 19, 2008. An NPI identifies a provider in billing; it is not a license.
Where is Sarah Heatherington Zarek, M.D. located?
The NPPES record lists a practice address at 165 Dartmouth St, Boston, MA, 02116. Phone: (617) 859-5250. Providers update this record themselves, so call before visiting.
How can I verify Sarah Heatherington Zarek, M.D.'s license?
NPPES lists Massachusetts license number 243571, 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 Sarah Heatherington Zarek, M.D. prescribe under Medicare Part D?
In 2024, Sarah Heatherington Zarek, M.D. had 22 Medicare Part D claims; 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.