NPPES file of Aug 9, 2026

Jonathan Kaplan, MD

Endocrinology, Diabetes & Metabolism Physician · Great Neck, NY

Jonathan Kaplan, MD is an endocrinology, diabetes & metabolism physician with a practice address in Great Neck, New York, and NPI 1285713487, issued on Nov 6, 2006. Check the license (New York 203765, 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 2023 and 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1285713487
Name
Jonathan Kaplan
Credential
MD
Primary taxonomy
Endocrinology, Diabetes & Metabolism Physician 207RE0101X
License number
203765 NY
Self-reported in NPPES; status is on the state search
Practice location
1000 Northern Blvd, Great Neck, NY 11021
Phone
(516) 829-0802
Enumerated
Nov 6, 2006
Record last updated
Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
Fax
(516) 487-9433
Medicaid ID
01875938 NY
Medicare enrollment
Enrolled (PECOS I20050120000540); accepts Medicare assignment
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.
Download card Updates feed

Also registered at 1000 Northern Blvd

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

  1. Jay Aaron, MDInternal Medicine Physician1245332956
  2. Nelson Assael, DMDOral and Maxillofacial Surgery (Dentist)1548342868
  3. Adam Auerbach, M.D.Cardiovascular Disease Physician1669644761
  4. Bryan Baracaldo, DPTPhysical Therapist1073120739
  5. Maria Berenato, AU.D.Audiologist1851733752
  6. Michael Bordoy, OTR/LOccupational Therapist1073064614

Verify Jonathan Kaplan 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 203765
    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.

Is this page about you? You can ask us to correct, restrict or remove it: how.

2.9 times the Medicare Part D claims of the average endocrinology, diabetes & metabolism physician in 2024

7,622 Medicare Part D claims for 862 beneficiaries, against an average of 2,630 among the 8,223 providers of this specialty who prescribed in Part D. Brand-name drugs were 45% of claims.

  1. Jonathan Kaplan7,622
  2. Specialty average2,630

Most prescribed

  1. Levothyroxine Sodium799 claims
  2. Metformin Hcl710 claims
  3. Ozempic553 claims
  4. Jardiance407 claims
  5. Glipizide Er379 claims
  6. Synthroid366 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.

The MIPS final score for 2023 (Medicare payment program): 13.2 of 100

The Merit-based Incentive Payment System score is reported for this clinician. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.

  1. Qualityout of 100 · 30% of the final score0.0
  2. Costout of 100 · 30%44.1
  3. Promoting interoperabilitynot scored (reweighted)
  4. Improvement activities0 of 40 points · 15%0.0

Source: CMS Quality Payment Program, MIPS performance year 2023; category weights for 2023 (qpp.cms.gov).

Industry payments in 2024: $66.16

3 payments; by number, the most common kind was food and beverage; the largest payer was Abbott Laboratories. The 5,661 providers of this specialty with any payment received $5,742.15 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Jonathan Kaplan$66.16
  2. Specialty average$5,742.15

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

Jonathan Kaplan among 970 endocrinology, diabetes & metabolism physician records in New York

Jonathan Kaplan, 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
  • Graduated1990 · median 2004 among the 694 with a school on file
  • Record last updated2007 · 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. Yigal Aharon, MDGreat Neck, NY 110211598739393
  2. Ronda Bloom, MDGreat Neck, NY 110211447210703
  3. Ailian Chen, MDGreat Neck, NY 110211831298801
  4. Tina Constantin, M.D.Great Neck, NY 110211083903561
  5. Rachel Fetner, M.D.Great Neck, NY 110211437184850
  6. Seth Friedman, MDGreat Neck, NY 110211053389916
  7. Yael Harris, MDGreat Neck, NY 110211164663357
  8. Alan Kluger, M.D.Great Neck, NY 110211952395683

Common questions

What is Jonathan Kaplan, MD's NPI number?

Jonathan Kaplan, MD's National Provider Identifier (NPI) is 1285713487, issued on Nov 6, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Jonathan Kaplan, MD located?

The NPPES record lists a practice address at 1000 Northern Blvd, Great Neck, NY, 11021. Phone: (516) 829-0802. Providers update this record themselves, so call before visiting.

How can I verify Jonathan Kaplan, MD's license?

NPPES lists New York license number 203765, 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 Jonathan Kaplan, MD prescribe under Medicare Part D?

In 2024, Jonathan Kaplan, MD had 7,622 Medicare Part D claims for 862 beneficiaries; the average among endocrinology, diabetes & metabolism physician prescribers was 2,630. Part D covers Medicare prescriptions only.

What is Jonathan Kaplan, MD's MIPS final score?

The 2023 MIPS final score is 13.2 of 100. The average among 454,083 clinicians with a measured score was 83.5.

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.