NPPES file of Aug 9, 2026

Ronald Tamler, MD

Endocrinology, Diabetes & Metabolism Physician · New York, NY

Ronald Tamler, MD is an endocrinology, diabetes & metabolism physician with a practice address in New York, New York, and NPI 1508897521, issued on Jul 6, 2006. Check the license (New York 242512, as entered in NPPES) on the NYS Education Department, Office of the Professions; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1508897521
Name
Ronald Tamler
Credential
MD
Primary taxonomy
Endocrinology, Diabetes & Metabolism Physician 207RE0101X
License number
242512 NY
Self-reported in NPPES; status is on the state search
Practice location
5 E 98TH St, New York, NY 10029
Phone
(212) 241-3422
Enumerated
Jul 6, 2006
Record last updated
Jul 21, 2022
Fax
(212) 423-0508
Medicare enrollment
Enrolled (PECOS I20070815000257); accepts Medicare assignment
Telehealth
Offers telehealth (CMS)
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 5 E 98TH St

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Noura Abul-Husn, M.D., PH.D.Clinical Genetics (M.D.) Physician1598907438
  2. Briana Adler, MS RD CDN CDERegistered Dietitian1033641733
  3. Manasi Agrawal, MDGastroenterology Physician1639488430
  4. Jawad Ahmad, MDHepatology Physician1104898311
  5. Sarah Ahn, DCChiropractor1023717261
  6. Anna Akerstedt, PH.D.Clinical Psychologist1831344829

Verify Ronald Tamler in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersNYS Education Department, Office of the Professions
    Search for license 242512
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the New York license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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54% fewer Medicare Part D claims than the average endocrinology, diabetes & metabolism physician in 2024

1,197 Medicare Part D claims for 136 beneficiaries, against an average of 2,630 among the 8,223 providers of this specialty who prescribed in Part D. Brand-name drugs were 57% of claims.

  1. Ronald Tamler1,197
  2. Specialty average2,630

Most prescribed

  1. Trulicity87 claims
  2. Jardiance81 claims
  3. Ozempic80 claims
  4. Levothyroxine Sodium79 claims
  5. Mounjaro57 claims
  6. Metformin Hcl42 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

  1. Icahn School OF Medicine AT Mount SinaiNew York, NY

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Ronald Tamler among 970 endocrinology, diabetes & metabolism physician records in New York

Ronald Tamler, MD is one of 970 endocrinology, diabetes & metabolism physician records with a practice address in New York. 86% 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 9% of them.

  • NPI issued2006 · 9% of these records are older, 57% newer
  • In a Medicare fileYes · 86% of these records are
  • In the CMS Doctors and Clinicians fileYes · 72% of these records are
  • Graduated1999 · median 2004 among the 694 with a school on file
  • Record last updated2022 · 59% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RE0101X and a New York practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Endocrinology, Diabetes & Metabolism Physician providers in New York

There are 970 endocrinology, diabetes & metabolism physician records in New York.

The 8 endocrinology, diabetes & metabolism physician records with the nearest ZIP codes

  1. Tracy Breen, MDNew York, NY 100291396777413
  2. Andrea Dunaif, MDNew York, NY 100291063442473
  3. Eliza Geer, MDNew York, NY 100291073627063
  4. Richard Haber, MDNew York, NY 100291932131133
  5. Derek Leroith, MD PHDNew York, NY 100291386662039
  6. Alice Levine, MDNew York, NY 100291750313953
  7. Carol Levy, MDNew York, NY 100291710074893
  8. Robert Matz, M.D.New York, NY 100291396760500

Common questions

What is Ronald Tamler, MD's NPI number?

Ronald Tamler, MD's National Provider Identifier (NPI) is 1508897521, issued on Jul 6, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Ronald Tamler, MD located?

The NPPES record lists a practice address at 5 E 98TH St, New York, NY, 10029. Phone: (212) 241-3422. Providers update this record themselves, so call before visiting.

How can I verify Ronald Tamler, MD's license?

NPPES lists New York license number 242512, 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 Ronald Tamler, MD prescribe under Medicare Part D?

In 2024, Ronald Tamler, MD had 1,197 Medicare Part D claims for 136 beneficiaries; the average among endocrinology, diabetes & metabolism physician prescribers was 2,630. 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.