Marjorie M. Diaz, MD
Student in an Organized Health Care Education/Training Program · Bronx, NY
Marjorie M. Diaz, MD is a student in an organized health care education/training program with a practice address in Bronx, New York, and NPI 1609456763, issued on Apr 13, 2021. Check the license with the New York board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Marjorie M. Diaz
- Credential
- MD
- Primary taxonomy
- Student in an Organized Health Care Education/Training Program 390200000X
- Practice location
- 234 E 149TH St, Bronx, NY 10451
- Phone
- (718) 579-5000
- Enumerated
- Apr 13, 2021
- Record last updated
- Apr 13, 2021 (not updated in 5 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20250722002283); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest student in an organized health care education/training program records → All 37,241 in New York → Look up another NPI →
Also registered at 234 E 149TH St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Agha Abbas, RPHPharmacist1114065679
- Kemal Abda, MDStudent in an Organized Health Care Education/Training Program1942031083
- Ahmed Abdel KerimInternal Medicine Physician1689342800
- Leena AbdelmotiStudent in an Organized Health Care Education/Training Program1487572293
- Faridat Abdulkarim, MDStudent in an Organized Health Care Education/Training Program1558096305
- Michael Abera, MDStudent in an Organized Health Care Education/Training Program1366365843
Verify Marjorie M. Diaz in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich New York board licenses this professionCheck the board
- 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
78% fewer Medicare Part D claims than the average student in an organized health care education/training program in 2024
40 Medicare Part D claims for 27 beneficiaries, against an average of 185 among the 59,748 providers of this specialty who prescribed in Part D.
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
- United Medical Associates PCJohnson City, NY
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Marjorie M. Diaz among 37,241 student in an organized health care education/training program records in New York
Marjorie M. Diaz, MD is one of 37,241 student in an organized health care education/training program records with a practice address in New York. 31% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2021, is newer than 21% of them.
- NPI issued2021 · 21% of these records are older, 73% newer
- In a Medicare fileYes · 31% of these records are
- In the CMS Doctors and Clinicians fileYes · 5% of these records are
- Graduated2021 · median 2018 among the 1,821 with a school on file
- Record last updated2021 · 24% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 390200000X and a New York practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
4,094 student in an organized health care education/training program records list a practice address in Bronx
They are 4,094 of the 32,017 NPPES records with a practice address in Bronx, and 37,241 student in an organized health care education/training program records in New York.
All 37,241 in New York → Every provider in Bronx → Student in an Organized Health Care Education/Training Program nationwide →
The 8 student in an organized health care education/training program records with the nearest ZIP codes
- Nohelia AquinoBronx, NY 104511215397542
- Farid Bahojb HabibianBronx, NY 104511932556305
- Stephanie De La CruzBronx, NY 104511144673799
- Konstantin DobrenkovBronx, NY 104511922373356
- Manmeet Kaur Gujral, M.D.Bronx, NY 104511891090353
- Omar Hassani, D.M.DBronx, NY 104511710224399
- Vid Leko, M.D.Bronx, NY 104511619215118
- Andrea Mascaro, STUDENT INTERNBronx, NY 104511720414303
Common questions
What is Marjorie M. Diaz, MD's NPI number?
Marjorie M. Diaz, MD's National Provider Identifier (NPI) is 1609456763, issued on Apr 13, 2021. An NPI identifies a provider in billing; it is not a license.
Where is Marjorie M. Diaz, MD located?
The NPPES record lists a practice address at 234 E 149TH St, Bronx, NY, 10451. Phone: (718) 579-5000. Providers update this record themselves, so call before visiting.
How can I verify Marjorie M. Diaz, MD's license?
Search the New York board that licenses this profession; the NPPES record confirms identity only.
How much does Marjorie M. Diaz, MD prescribe under Medicare Part D?
In 2024, Marjorie M. Diaz, MD had 40 Medicare Part D claims for 27 beneficiaries; the average among student in an organized health care education/training program prescribers was 185. 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.