Leon Neiman, MD
Allergy & Immunology (Internal Medicine) Physician · Fairlawn, OH
Leon Neiman, MD is an allergy & immunology (internal medicine) physician with a practice address in Fairlawn, Ohio, and NPI 1437167814, issued on Aug 3, 2006. Check the license (Ohio 35023595, as entered in NPPES) on the State Medical Board of Ohio; the Medicare figures below come from public CMS files.
- Name
- Leon Neiman
- Credential
- MD
- Primary taxonomy
- Allergy & Immunology (Internal Medicine) Physician 207RA0201X
- License number
- 35023595 OH
Self-reported in NPPES; status is on the state search - Practice location
- 3500 W Market St Ste 3, Fairlawn, OH 44333
- Phone
- (330) 535-3101
- Enumerated
- Aug 3, 2006
- Record last updated
- Oct 31, 2018 (not updated in 8 years: call before relying on the address or phone)
- Fax
- (330) 535-2411
- Medicaid IDs
- 3139017 OH
0009270 OH - Medicare enrollment
- Enrolled (PECOS I20101111000016); accepts Medicare assignment
- Medical or professional school
- Ohio State University College Of Medicine, 1959
- Entity
- Type 1 · individual
8 nearest allergy & immunology (internal medicine) physician records → All 11 in Ohio → Look up another NPI →
Verify Leon Neiman in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersState Medical Board of Ohio
Search for license 35023595Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
87% fewer Medicare Part D claims than the average allergy & immunology (internal medicine) physician in 2024
101 Medicare Part D claims for 31 beneficiaries, against an average of 789 among the 429 providers of this specialty who prescribed in Part D.
Most prescribed
- Prednisone28 claims
- Azithromycin14 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.
Leon Neiman among 11 allergy & immunology (internal medicine) physician records in Ohio
Leon Neiman, MD is one of 11 allergy & immunology (internal medicine) physician records with a practice address in Ohio. 55% 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 27% of them.
- NPI issued2006 · 27% of these records are older, 36% newer
- In a Medicare fileYes · 55% of these records are
- In the CMS Doctors and Clinicians fileYes · 55% of these records are
- Record last updated2018 · 73% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RA0201X and a Ohio practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Allergy & Immunology (Internal Medicine) Physician providers in Ohio
There are 11 allergy & immunology (internal medicine) physician records in Ohio.
All 11 in Ohio → Every provider in Fairlawn → Allergy & Immunology (Internal Medicine) Physician nationwide →
The 8 allergy & immunology (internal medicine) physician records with the nearest ZIP codes
- Margaret KuderCleveland, OH 441951447637954
- Sonya ParasharCleveland, OH 441951942706767
- Ronald Purcell, M.D.Willoughby Hills, OH 440941437358801
- Huy Dang, MDMassillon, OH 446461689753105
- Farrukh Sheikh, MDToledo, OH 436171023009743
- David Hunter, MDToledo, OH 436061184606725
- Richard Wiseley, MDToledo, OH 436061710969985
- Masood Ahmad, MDWest Chester, OH 450691699856559
Common questions
What is Leon Neiman, MD's NPI number?
Leon Neiman, MD's National Provider Identifier (NPI) is 1437167814, issued on Aug 3, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Leon Neiman, MD located?
The NPPES record lists a practice address at 3500 W Market St Ste 3, Fairlawn, OH, 44333. Phone: (330) 535-3101. Providers update this record themselves, so call before visiting.
How can I verify Leon Neiman, MD's license?
NPPES lists Ohio license number 35023595, as entered by the provider. Search the State Medical Board of Ohio at https://elicense.ohio.gov/oh_verifylicense. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Leon Neiman, MD prescribe under Medicare Part D?
In 2024, Leon Neiman, MD had 101 Medicare Part D claims for 31 beneficiaries; the average among allergy & immunology (internal medicine) physician prescribers was 789. 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.