William M. Hammesfahr, MD
Neurology Physician · Lady Lake, FL
William M. Hammesfahr, MD is a neurology physician with a practice address in Lady Lake, Florida, and NPI 1962446500, issued on Jun 15, 2006. Check the license (Florida ME 52212, as entered in NPPES) on the Florida health license search; the Medicare figures below come from public CMS files.
- Name
- William M. Hammesfahr
- Credential
- MD
- Primary taxonomy
- Neurology Physician 2084N0400X
- License numbers
- ME 52212 FL
ME52212 FL
Self-reported in NPPES; status is on the state search - Practice location
- 510 CR 466, Lady Lake, FL 32159
- Phone
- (352) 414-5322
- Enumerated
- Jun 15, 2006
- Record last updated
- Mar 25, 2014 (not updated in 12 years: call before relying on the address or phone)
- Medicaid ID
- 271074900 FL
- Entity
- Type 1 · individual
8 nearest neurology physician records → All 1,530 in Florida → Look up another NPI →
Verify William M. Hammesfahr in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersFlorida health license search
Search for license ME 52212Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
99% fewer Medicare Part D claims than the average neurology physician in 2024
15 Medicare Part D claims, against an average of 1,370 among the 15,005 providers of this specialty who prescribed in Part D.
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.
William M. Hammesfahr among 1,530 neurology physician records in Florida
William M. Hammesfahr, MD is one of 1,530 neurology physician records with a practice address in Florida. 88% 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 11% of them.
- NPI issued2006 · 11% of these records are older, 58% newer
- In a Medicare fileYes · 88% of these records are
- In the CMS Doctors and Clinicians fileNo · 75% of these records are
- Record last updated2014 · 42% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2084N0400X and a Florida practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Neurology Physician providers in Florida
There are 1,530 neurology physician records in Florida.
All 1,530 in Florida → Every provider in Lady Lake → Neurology Physician nationwide →
The 8 neurology physician records with the nearest ZIP codes
- Bruce Lobar, MDThe Villages, FL 321591679534853
- Ayman Omar, MD, PHDThe Villages, FL 321591285894501
- Heather Schweizer, D.O.The Villages, FL 321591285970541
- Ajeet Sodhi, M.D.The Villages, FL 321621417105685
- Desiree Casasnovas - Lopez, M.D.The Villages, FL 321631851596738
- John Castaldo, MDThe Villages, FL 321631518975036
- Yiqun Hu, MDThe Villages, FL 321631972529592
- Roland More, MDThe Villages, FL 321631437250065
Common questions
What is William M. Hammesfahr, MD's NPI number?
William M. Hammesfahr, MD's National Provider Identifier (NPI) is 1962446500, issued on Jun 15, 2006. An NPI identifies a provider in billing; it is not a license.
Where is William M. Hammesfahr, MD located?
The NPPES record lists a practice address at 510 CR 466, Lady Lake, FL, 32159. Phone: (352) 414-5322. Providers update this record themselves, so call before visiting.
How can I verify William M. Hammesfahr, MD's license?
NPPES lists Florida license number ME 52212, as entered by the provider. Search the Florida health license search at https://mqa-internet.doh.state.fl.us/mqasearchservices/healthcareproviders. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does William M. Hammesfahr, MD prescribe under Medicare Part D?
In 2024, William M. Hammesfahr, MD had 15 Medicare Part D claims; the average among neurology physician prescribers was 1,370. 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.