Robert A. Walther, PA-C
Medical Physician Assistant · Mount Dora, FL
Robert A. Walther, PA-C is a medical physician assistant with a practice address in Mount Dora, Florida, and NPI 1548394539, issued on Mar 14, 2007. Check the license (Florida PA9101024, as entered in NPPES) on the Florida health license search; the Medicare figures below come from public CMS files.
- Name
- Robert A. Walther
- Credential
- PA-C
- Primary taxonomy
- Medical Physician Assistant 363AM0700X
- License number
- PA9101024 FL
Self-reported in NPPES; status is on the state search - Practice location
- 250 East Fourth Avenue, Mount Dora, FL 32757
- Phone
- (352) 735-1400
- Enumerated
- Mar 14, 2007
- Record last updated
- Dec 17, 2007 (not updated in 19 years: call before relying on the address or phone)
- Fax
- (352) 735-3300
- Entity
- Type 1 · individual
Also registered at 250 East Fourth Avenue
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Kenneth Kronhaus, MDCardiovascular Disease Physician1700990546
Verify Robert A. Walther in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersFlorida health license search
Search for license PA9101024Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
90% fewer Medicare Part D claims than the average medical physician assistant in 2024
113 Medicare Part D claims for 53 beneficiaries, against an average of 1,148 among the 23,801 providers of this specialty who prescribed in Part D.
Most prescribed
- Dexamethasone16 claims
- Azithromycin13 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.
Medical Physician Assistant providers in Florida
There are 2,776 medical physician assistant records in Florida.
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- Jeffrey Abucay, PA-CMiami, FL1215186663
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Common questions
What is Robert A. Walther, PA-C's NPI number?
Robert A. Walther, PA-C's National Provider Identifier (NPI) is 1548394539, issued on Mar 14, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Robert A. Walther, PA-C located?
The NPPES record lists a practice address at 250 East Fourth Avenue, Mount Dora, FL, 32757. Phone: (352) 735-1400. Providers update this record themselves, so call before visiting.
How can I verify Robert A. Walther, PA-C's license?
NPPES lists Florida license number PA9101024, 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 Robert A. Walther, PA-C prescribe under Medicare Part D?
In 2024, Robert A. Walther, PA-C had 113 Medicare Part D claims for 53 beneficiaries; the average among medical physician assistant prescribers was 1,148. 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.