Mary L. Rivera-Casamento, MD
Obstetrics & Gynecology Physician · New York, NY
Mary L. Rivera-Casamento, MD is an obstetrics & gynecology physician with a practice address in New York, New York, and NPI 1205225430, issued on Jan 12, 2015. Check the license (New York 184651, as entered in NPPES) on the NYS Education Department, Office of the Professions; the Medicare figures below come from public CMS files.
- Name
- Mary L. Rivera-Casamento
- Credential
- MD
- Primary taxonomy
- Obstetrics & Gynecology Physician 207V00000X
- License number
- 184651 NY
Self-reported in NPPES; status is on the state search - Practice location
- 936 5TH Ave, New York, NY 10021
- Phone
- (212) 734-1893
- Enumerated
- Jan 12, 2015
- Record last updated
- Jan 12, 2015 (not updated in 11 years: call before relying on the address or phone)
- Fax
- (212) 734-0431
- Entity
- Type 1 · individual
8 nearest obstetrics & gynecology physician records → All 3,174 in New York → Look up another NPI →
Also registered at 936 5TH Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Mary L. Rivera-Casamento 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 184651Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
62% fewer Medicare Part D claims than the average obstetrics & gynecology physician in 2024
63 Medicare Part D claims for 16 beneficiaries, against an average of 165 among the 28,733 providers of this specialty who prescribed in Part D.
Most prescribed
- Alendronate Sodium20 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.
Mary L. Rivera-Casamento among 3,174 obstetrics & gynecology physician records in New York
Mary L. Rivera-Casamento, MD 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 2015, is newer than 81% of them.
- NPI issued2015 · 81% of these records are older, 16% newer
- In a Medicare fileYes · 76% of these records are
- In the CMS Doctors and Clinicians fileNo · 59% of these records are
- Record last updated2015 · 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 New York → Obstetrics & Gynecology Physician nationwide →
The 8 obstetrics & gynecology physician records with the nearest ZIP codes
- Nargess Ahgharian, MDNew York, NY 100211447230206
- Anne Carlon, M.D.New York, NY 100211609817758
- Maiquel Carrasco, M.D.New York, NY 100211033186291
- Youyin Choy, M.D.,New York, NY 100211891738589
- Nathan Fox, M.D.New York, NY 100211225050941
- Amos Grunebaum, MDNew York, NY 100211841243730
- Claudia Holland, MDNew York, NY 100211457326175
- Wenhui Jin, MDNew York, NY 100211881640530
Common questions
What is Mary L. Rivera-Casamento, MD's NPI number?
Mary L. Rivera-Casamento, MD's National Provider Identifier (NPI) is 1205225430, issued on Jan 12, 2015. An NPI identifies a provider in billing; it is not a license.
Where is Mary L. Rivera-Casamento, MD located?
The NPPES record lists a practice address at 936 5TH Ave, New York, NY, 10021. Phone: (212) 734-1893. Providers update this record themselves, so call before visiting.
How can I verify Mary L. Rivera-Casamento, MD's license?
NPPES lists New York license number 184651, 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 Mary L. Rivera-Casamento, MD prescribe under Medicare Part D?
In 2024, Mary L. Rivera-Casamento, MD had 63 Medicare Part D claims for 16 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.