NPPES file of Aug 9, 2026

Leonard Muller, M.D.,

Internal Medicine Physician · Broolkyn, NY

Leonard Muller, M.D., is an internal medicine physician with a practice address in Broolkyn, New York, and NPI 1659349553, issued on Mar 8, 2006. Check the license (New York 152108, 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
1659349553
Name
Leonard Muller
Credential
M.D.,
Primary taxonomy
Internal Medicine Physician 207R00000X
License number
152108 NY
Self-reported in NPPES; status is on the state search
Practice location
8801 Ft Hamilton Parkway, Broolkyn, NY 11209
Phone
(718) 680-2959
Enumerated
Mar 8, 2006
Record last updated
Nov 21, 2012 (not updated in 14 years: call before relying on the address or phone)
Fax
(718) 748-4419
Medicaid ID
00766578 NY
Medicare enrollment
Enrolled (PECOS I20040505001702); 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.
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Verify Leonard Muller 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 152108
    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

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3.2 times the Medicare Part D claims of the average internal medicine physician in 2024

10,148 Medicare Part D claims for 298 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 18% of claims. 93 claims were for opioids.

  1. Leonard Muller10,148
  2. Specialty average3,176

Most prescribed

  1. Eliquis483 claims
  2. Atorvastatin Calcium462 claims
  3. Amlodipine Besylate334 claims
  4. Levothyroxine Sodium324 claims
  5. Gabapentin261 claims
  6. Metoprolol Succinate249 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. US Mobile Medical Care PLLCNew York, NY

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

Leonard Muller among 12,067 internal medicine physician records in New York

Leonard Muller, M.D., is one of 12,067 internal medicine physician records with a practice address in New York. 79% 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 8% of them.

  • NPI issued2006 · 8% of these records are older, 53% newer
  • In a Medicare fileYes · 79% of these records are
  • In the CMS Doctors and Clinicians fileYes · 60% of these records are
  • Graduated1973 · median 2002 among the 7,221 with a school on file
  • Record last updated2012 · 61% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a New York practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Internal Medicine Physician providers in New York

There are 12,067 internal medicine physician records in New York.

The 8 internal medicine physician records with the nearest ZIP codes

  1. Joseph Addeo, M.D.Brooklyn, NY 112091851351571
  2. Andrew Adler, MDBrooklyn, NY 112091629050125
  3. Jeffrey Hyman, MDBrooklyn, NY 112091053317396
  4. Mark Joy, M.D.Brooklyn, NY 112091922062504
  5. Robert Kelter, MDBrooklyn, NY 112091104805936
  6. Donald Mandel, M.D.Brooklyn, NY 112091124026265
  7. John Marino, M.D.Brooklyn, NY 112091568442473
  8. Isabella Peluso, MDBrooklyn, NY 112091669451696

Common questions

What is Leonard Muller, M.D.,'s NPI number?

Leonard Muller, M.D.,'s National Provider Identifier (NPI) is 1659349553, issued on Mar 8, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Leonard Muller, M.D., located?

The NPPES record lists a practice address at 8801 Ft Hamilton Parkway, Broolkyn, NY, 11209. Phone: (718) 680-2959. Providers update this record themselves, so call before visiting.

How can I verify Leonard Muller, M.D.,'s license?

NPPES lists New York license number 152108, 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 Leonard Muller, M.D., prescribe under Medicare Part D?

In 2024, Leonard Muller, M.D., had 10,148 Medicare Part D claims for 298 beneficiaries; the average among internal medicine physician prescribers was 3,176. 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.