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.
- 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
8 nearest internal medicine physician records → All 12,067 in New York → Look up another NPI →
Verify Leonard Muller 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 152108Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
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.
Most prescribed
- Eliquis483 claims
- Atorvastatin Calcium462 claims
- Amlodipine Besylate334 claims
- Levothyroxine Sodium324 claims
- Gabapentin261 claims
- 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
- 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.
All 12,067 in New York → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Joseph Addeo, M.D.Brooklyn, NY 112091851351571
- Andrew Adler, MDBrooklyn, NY 112091629050125
- Jeffrey Hyman, MDBrooklyn, NY 112091053317396
- Mark Joy, M.D.Brooklyn, NY 112091922062504
- Robert Kelter, MDBrooklyn, NY 112091104805936
- Donald Mandel, M.D.Brooklyn, NY 112091124026265
- John Marino, M.D.Brooklyn, NY 112091568442473
- 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.