Sarah Krantz, MD
Obstetrics & Gynecology Physician · Boston, MA
Sarah Krantz, MD is an obstetrics & gynecology physician with a practice address in Boston, Massachusetts, and NPI 1164834875, issued on May 29, 2014. Check the license (Massachusetts 1016665, as entered in NPPES) on the Massachusetts Board of Registration in Medicine; the Medicare figures below come from public CMS files.
- Name
- Sarah Krantz
- Credential
- MD
- Primary taxonomy
- Obstetrics & Gynecology Physician 207V00000X
- License numbers
- 1016665 MA
MD24148 ME
207V00000X NH
Self-reported in NPPES; status is on the state search - Practice location
- 850 Harrison Avenue, FL 4, Boston, MA 02118
- Phone
- (617) 414-2000
- Enumerated
- May 29, 2014
- Record last updated
- Jun 22, 2026
- Fax
- (617) 414-5798
- Medicare enrollment
- Enrolled (PECOS I20231129001477); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest obstetrics & gynecology physician records → All 1,127 in Massachusetts → Look up another NPI →
Also registered at 850 Harrison Avenue, FL 4
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Rebecca Barbaresso, DOObstetrics & Gynecology Physician1740740323
- Madelyn Conner, MDObstetrics Physician1316684475
- Keri-Lee Garel, MDObstetrics & Gynecology Physician1497218549
- Naima Joseph, M.D.Obstetrics & Gynecology Physician1801161252
- Yeon Woo Lee, MDObstetrics & Gynecology Physician1053872788
- Anjanique Mariquit Lu, MDObstetrics & Gynecology Physician1750917613
Verify Sarah Krantz in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMassachusetts Board of Registration in Medicine
Search for license 1016665Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
82% fewer Medicare Part D claims than the average obstetrics & gynecology physician in 2024
30 Medicare Part D claims for 20 beneficiaries, against an average of 165 among the 28,733 providers of this specialty who prescribed in Part D. Brand-name drugs were 37% of 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
- Boston University Obstetrics And Gynecology Foundation IncBoston, MA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Sarah Krantz among 1,127 obstetrics & gynecology physician records in Massachusetts
Sarah Krantz, MD 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 2014, is newer than 76% of them.
- NPI issued2014 · 76% of these records are older, 21% newer
- In a Medicare fileYes · 73% of these records are
- In the CMS Doctors and Clinicians fileYes · 64% of these records are
- Graduated2014 · median 2004 among the 715 with a school on file
- Record last updated2026 · 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
- Balmookoot Balgobin, M.D.Boston, MA 021181821070186
- Lynn Borgatta, M.D.Boston, MA 021181609858968
- Nancy Callan, M.D.Boston, MA 021181407839830
- David Harrison, M.D.Boston, MA 021181801879200
- Linda Heffner, M.D.Boston, MA 021181144203548
- Sylvia Herz, M.D.Boston, MA 021181306829627
- Ronald Iverson, MDBoston, MA 021181942290796
- Samantha Kaplan, M.D.Boston, MA 021181487637716
Common questions
What is Sarah Krantz, MD's NPI number?
Sarah Krantz, MD's National Provider Identifier (NPI) is 1164834875, issued on May 29, 2014. An NPI identifies a provider in billing; it is not a license.
Where is Sarah Krantz, MD located?
The NPPES record lists a practice address at 850 Harrison Avenue, FL 4, Boston, MA, 02118. Phone: (617) 414-2000. Providers update this record themselves, so call before visiting.
How can I verify Sarah Krantz, MD's license?
NPPES lists Massachusetts license number 1016665, 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 Krantz, MD prescribe under Medicare Part D?
In 2024, Sarah Krantz, MD had 30 Medicare Part D claims for 20 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.