Walter R. Siemian, M.D.
Plastic Surgery Physician · Ocoee, FL
Walter R. Siemian, M.D. is a plastic surgery physician with a practice address in Ocoee, Florida, and NPI 1225041585, issued on Aug 15, 2006. Check the license (Florida 46591, as entered in NPPES) on the Florida health license search; the Medicare figures below come from public CMS files.
- Name
- Walter R. Siemian
- Credential
- M.D.
- Primary taxonomy
- Plastic Surgery Physician 208200000X
- License number
- 46591 FL
Self-reported in NPPES; status is on the state search - Practice location
- 10,000 W Colonial Dr, Ocoee, FL 34761
- Phone
- (407) 521-7431
- Enumerated
- Aug 15, 2006
- Record last updated
- Nov 8, 2010 (not updated in 16 years: call before relying on the address or phone)
- Fax
- (407) 296-1873
- Entity
- Type 1 · individual
8 nearest plastic surgery physician records → All 507 in Florida → Look up another NPI →
Verify Walter R. Siemian in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersFlorida health license search
Search for license 46591Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
86% more Medicare Part D claims than the average plastic surgery physician in 2024
173 Medicare Part D claims for 50 beneficiaries, against an average of 93 among the 3,527 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of claims. 45 claims were for opioids.
Most prescribed
- Cephalexin55 claims
- Oxycodone-Acetaminophen38 claims
- Ondansetron Odt29 claims
- Clonidine Hcl14 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.
Walter R. Siemian among 507 plastic surgery physician records in Florida
Walter R. Siemian, M.D. is one of 507 plastic surgery physician records with a practice address in Florida. 81% 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, 49% newer
- In a Medicare fileYes · 81% of these records are
- In the CMS Doctors and Clinicians fileNo · 36% of these records are
- Record last updated2010 · 60% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 208200000X and a Florida practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Plastic Surgery Physician providers in Florida
There are 507 plastic surgery physician records in Florida.
All 507 in Florida → Every provider in Ocoee → Plastic Surgery Physician nationwide →
The 8 plastic surgery physician records with the nearest ZIP codes
- Jan Karlin, M.D.Ocoee, FL 347611396876371
- Richard Gregory, M. D.Celebration, FL 347471245307669
- Donovan RosasCelebration, FL 347471073731444
- Roxanne Sylora, M.D.Celebration, FL 347471417904616
- William Gamble, MDWindermere, FL 347861265499073
- Shaina Little, ARNPGroveland, FL 347361043045909
- Barbara Wenczak, MDWinter Garden, FL 347871164472635
- Jennifer Buck, MDDunedin, FL 346981093896946
Common questions
What is Walter R. Siemian, M.D.'s NPI number?
Walter R. Siemian, M.D.'s National Provider Identifier (NPI) is 1225041585, issued on Aug 15, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Walter R. Siemian, M.D. located?
The NPPES record lists a practice address at 10,000 W Colonial Dr, Ocoee, FL, 34761. Phone: (407) 521-7431. Providers update this record themselves, so call before visiting.
How can I verify Walter R. Siemian, M.D.'s license?
NPPES lists Florida license number 46591, 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 Walter R. Siemian, M.D. prescribe under Medicare Part D?
In 2024, Walter R. Siemian, M.D. had 173 Medicare Part D claims for 50 beneficiaries; the average among plastic surgery physician prescribers was 93. 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.