Erin L. Stefely, M.D.
Obstetrics & Gynecology Physician · Cambridge, MA
Erin L. Stefely, M.D. is an obstetrics & gynecology physician with a practice address in Cambridge, Massachusetts, and NPI 1952745119, issued on Apr 18, 2013. Check the license (Massachusetts 278613, as entered in NPPES) on the Massachusetts Board of Registration in Medicine; the Medicare figures below come from public CMS files.
- Name
- Erin L. Stefely
- Credential
- M.D.
- Primary taxonomy
- Obstetrics & Gynecology Physician 207V00000X
- License number
- 278613 MA
Self-reported in NPPES; status is on the state search - Practice location
- 330 Mount Auburn St, Cambridge, MA 02138
- Phone
- (617) 499-5161
- Enumerated
- Apr 18, 2013
- Record last updated
- Jul 30, 2019 (not updated in 7 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20190807000559); accepts Medicare assignment
- Medical or professional school
- University Of Wisconsin School Of Medicine, 2013
- Entity
- Type 1 · individual
8 nearest obstetrics & gynecology physician records → All 1,127 in Massachusetts → Look up another NPI →
Also registered at 330 Mount Auburn St
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Ritika Abhyankar, MDStudent in an Organized Health Care Education/Training Program1508551219
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- Susan Abookire, MDInternal Medicine Physician1407859762
- Samer Abujaber, MB BCH BAOInternal Medicine Physician1497137558
Verify Erin L. Stefely in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMassachusetts Board of Registration in Medicine
Search for license 278613Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
50% fewer Medicare Part D claims than the average obstetrics & gynecology physician in 2024
82 Medicare Part D claims for 31 beneficiaries, against an average of 165 among the 28,733 providers of this specialty who prescribed in Part D.
Most prescribed
- Estradiol28 claims
- Yuvafem13 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: $25.14
1 payment: food and beverage; the largest payer was Biogen, Inc. 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
- Mount Auburn Professional Services IncCambridge, MA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Erin L. Stefely among 1,127 obstetrics & gynecology physician records in Massachusetts
Erin L. Stefely, 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 2013, is newer than 75% of them.
- NPI issued2013 · 75% of these records are older, 24% newer
- In a Medicare fileYes · 73% of these records are
- In the CMS Doctors and Clinicians fileYes · 64% of these records are
- Graduated2013 · median 2004 among the 715 with a school on file
- Record last updated2019 · 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 Cambridge → Obstetrics & Gynecology Physician nationwide →
The 8 obstetrics & gynecology physician records with the nearest ZIP codes
- Elizabeth Baker, M.D.Cambridge, MA 021381659579969
- Danielle Dray, MDCambridge, MA 021381295021756
- Jean Fechheimer, MDCambridge, MA 021381225001670
- Gary Goldsmith, MDCambridge, MA 021381326019514
- David Goldwasser, M.D.Cambridge, MA 021381922045624
- Cheryl Hamlin, MDCambridge, MA 021381477522886
- Katherine Hanaway, MDCambridge, MA 021381457375727
- Edwin Huang, MDCambridge, MA 021381457334963
Common questions
What is Erin L. Stefely, M.D.'s NPI number?
Erin L. Stefely, M.D.'s National Provider Identifier (NPI) is 1952745119, issued on Apr 18, 2013. An NPI identifies a provider in billing; it is not a license.
Where is Erin L. Stefely, M.D. located?
The NPPES record lists a practice address at 330 Mount Auburn St, Cambridge, MA, 02138. Phone: (617) 499-5161. Providers update this record themselves, so call before visiting.
How can I verify Erin L. Stefely, M.D.'s license?
NPPES lists Massachusetts license number 278613, 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 Erin L. Stefely, M.D. prescribe under Medicare Part D?
In 2024, Erin L. Stefely, M.D. had 82 Medicare Part D claims for 31 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.