Erika Marlee Ryan, M.D.
Obstetrics & Gynecology Physician · Brooklyn, NY
Erika Marlee Ryan, M.D. is an obstetrics & gynecology physician with a practice address in Brooklyn, New York, and NPI 1326495821, issued on May 16, 2016. Check the license (New York 305298, as entered in NPPES) on the NYS Education Department, Office of the Professions; the Medicare figures below come from public CMS files.
- Name
- Erika Marlee Ryan
- Credential
- M.D.
- Primary taxonomy
- Obstetrics & Gynecology Physician 207V00000X
- License number
- 305298 NY
Self-reported in NPPES; status is on the state search - Practice location
- 5610 2ND Ave, Brooklyn, NY 11220
- Phone
- (718) 630-7942
- Enumerated
- May 16, 2016
- Record last updated
- Jul 8, 2026
- Medicare enrollment
- Enrolled (PECOS I20200626002140); accepts Medicare assignment
- Medical or professional school
- University Of Missouri, Columbia School Of Medicine, 2016
- Entity
- Type 1 · individual
8 nearest obstetrics & gynecology physician records → All 3,174 in New York → Look up another NPI →
Also registered at 5610 2ND Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Iqra Akram, MDPediatrics Physician1528622388
- Gertrudesencarnacion Alcantara, WHNPWomen's Health Nurse Practitioner1639553241
- Amal Amar, CNMMidwife1578885356
- Mohamad Attal, DMDStudent in an Organized Health Care Education/Training Program1427805068
- Ila Barnes, N.P.Obstetrics & Gynecology Nurse Practitioner1144389685
- Yaw Chen, M.D.Pediatrics Physician1346266251
Verify Erika Marlee Ryan in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersNYS Education Department, Office of the Professions
Search for license 305298Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
40% fewer Medicare Part D claims than the average obstetrics & gynecology physician in 2024
99 Medicare Part D claims for 35 beneficiaries, against an average of 165 among the 28,733 providers of this specialty who prescribed in Part D. Brand-name drugs were 17% of claims.
Most prescribed
- Estradiol34 claims
- Premarin11 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.
One hospital affiliation
- Nyu Langone HospitalsBrooklyn, NY · Acute Care Hospitals5 of 5 stars
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through); hospitals matched to CMS Hospital General Information (Care Compare) (data.cms.gov). Star ratings are CMS hospital ratings, not ratings of this provider.
Erika Marlee Ryan among 3,174 obstetrics & gynecology physician records in New York
Erika Marlee Ryan, M.D. is one of 3,174 obstetrics & gynecology physician records with a practice address in New York. 76% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2016, is newer than 84% of them.
- NPI issued2016 · 84% of these records are older, 14% newer
- In a Medicare fileYes · 76% of these records are
- In the CMS Doctors and Clinicians fileYes · 59% of these records are
- Graduated2016 · median 2002 among the 1,870 with a school on file
- Record last updated2026 · 63% 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 New York 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 New York
There are 3,174 obstetrics & gynecology physician records in New York.
All 3,174 in New York → Every provider in Brooklyn → Obstetrics & Gynecology Physician nationwide →
The 8 obstetrics & gynecology physician records with the nearest ZIP codes
- Sayedeh-Fatemeh Abhary, M.D.Brooklyn, NY 112201194891960
- Sonia Go, M.D.Brooklyn, NY 112201700973401
- Hye-Chun Hur, MDBrooklyn, NY 112201043283773
- Vuy Li, M.D.Brooklyn, NY 112201053331041
- Cassian LiBrooklyn, NY 112201407862493
- Donald Morrish, M.D.Brooklyn, NY 112201154377570
- Savita Mukherjee, M.D.Brooklyn, NY 112201144361189
- Sushanta Mukherjee, M.D.Brooklyn, NY 112201942343959
Common questions
What is Erika Marlee Ryan, M.D.'s NPI number?
Erika Marlee Ryan, M.D.'s National Provider Identifier (NPI) is 1326495821, issued on May 16, 2016. An NPI identifies a provider in billing; it is not a license.
Where is Erika Marlee Ryan, M.D. located?
The NPPES record lists a practice address at 5610 2ND Ave, Brooklyn, NY, 11220. Phone: (718) 630-7942. Providers update this record themselves, so call before visiting.
How can I verify Erika Marlee Ryan, M.D.'s license?
NPPES lists New York license number 305298, as entered by the provider. Search the NYS Education Department, Office of the Professions at https://www.op.nysed.gov/services/verifications/online-verification-searches. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Erika Marlee Ryan, M.D. prescribe under Medicare Part D?
In 2024, Erika Marlee Ryan, M.D. had 99 Medicare Part D claims for 35 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.