Susan C. Ryan, M.D.
Obstetrics & Gynecology Physician · Chestnut Hill, MA
Susan C. Ryan, M.D. is an obstetrics & gynecology physician with a practice address in Chestnut Hill, Massachusetts, and NPI 1942268875, issued on May 2, 2006. Check the license (Massachusetts 81958, as entered in NPPES) on the Massachusetts Board of Registration in Medicine; the Medicare figures below come from public CMS files.
- Name
- Susan C. Ryan
- Credential
- M.D.
- Primary taxonomy
- Obstetrics & Gynecology Physician 207V00000X
- License number
- 81958 MA
Self-reported in NPPES; status is on the state search - Practice location
- 291 Independence Dr, Chestnut Hill, MA 02467
- Phone
- (617) 541-6450
- Enumerated
- May 2, 2006
- Record last updated
- Jan 7, 2021 (not updated in 5 years: call before relying on the address or phone)
- Fax
- (617) 541-6645
- Medicare enrollment
- Enrolled (PECOS I20101223000136); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest obstetrics & gynecology physician records → All 1,127 in Massachusetts → Look up another NPI →
Also registered at 291 Independence Dr
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Susan C. Ryan in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMassachusetts Board of Registration in Medicine
Search for license 81958Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
43% fewer Medicare Part D claims than the average obstetrics & gynecology physician in 2024
94 Medicare Part D claims for 38 beneficiaries, against an average of 165 among the 28,733 providers of this specialty who prescribed in Part D. Brand-name drugs were 14% of claims.
Most prescribed
- Estradiol29 claims
- Clobetasol Propionate13 claims
- Yuvafem12 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
- Atrius Health IncNeedham, MA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Susan C. Ryan among 1,127 obstetrics & gynecology physician records in Massachusetts
Susan C. Ryan, 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 2006, is newer than 16% of them.
- NPI issued2006 · 16% of these records are older, 50% newer
- In a Medicare fileYes · 73% of these records are
- In the CMS Doctors and Clinicians fileYes · 64% of these records are
- Graduated1991 · median 2004 among the 715 with a school on file
- Record last updated2021 · 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).
27 obstetrics & gynecology physician records list a practice address in Chestnut Hill
They are 27 of the 772 NPPES records with a practice address in Chestnut Hill, and 1,127 obstetrics & gynecology physician records in Massachusetts.
All 1,127 in Massachusetts → Every provider in Chestnut Hill → Obstetrics & Gynecology Physician nationwide →
The 8 obstetrics & gynecology physician records with the nearest ZIP codes
- Mari-Kim Bunnell, MDChestnut Hill, MA 024671205892361
- Thomas Connolly, MDChestnut Hill, MA 024671972587871
- Sandy Falk, MDChestnut Hill, MA 024671083624860
- Karen Girard, MDChestnut Hill, MA 024671457315616
- Lalita Haines, MDChestnut Hill, MA 024671841275856
- Diane Kaufman, M.D.Chestnut Hill, MA 024671689687097
- Paula Kolbas, MDChestnut Hill, MA 024671457317299
- Lisa Lampert, MDChestnut Hill, MA 024671114983277
Common questions
What is Susan C. Ryan, M.D.'s NPI number?
Susan C. Ryan, M.D.'s National Provider Identifier (NPI) is 1942268875, issued on May 2, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Susan C. Ryan, M.D. located?
The NPPES record lists a practice address at 291 Independence Dr, Chestnut Hill, MA, 02467. Phone: (617) 541-6450. Providers update this record themselves, so call before visiting.
How can I verify Susan C. Ryan, M.D.'s license?
NPPES lists Massachusetts license number 81958, 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 Susan C. Ryan, M.D. prescribe under Medicare Part D?
In 2024, Susan C. Ryan, M.D. had 94 Medicare Part D claims for 38 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.