Felipe M. Ambas, M.D.
Neurology Physician · Winnebago, WI
Felipe M. Ambas, M.D. is a neurology physician with a practice address in Winnebago, Wisconsin, and NPI 1619039419, issued on Dec 15, 2006. Check the license (Wisconsin 32408, as entered in NPPES) on the Wisconsin Medical Examining Board; the Medicare figures below come from public CMS files.
- Name
- Felipe M. Ambas
- Credential
- M.D.
- Primary taxonomy
- Neurology Physician 2084N0400X
- License number
- 32408 WI
Self-reported in NPPES; status is on the state search - Practice location
- 1300 South Dr., Winnebago, WI 54985
- Phone
- (920) 235-4910
- Enumerated
- Dec 15, 2006
- Record last updated
- Mar 7, 2023
- Fax
- (920) 236-2931
- Medicaid ID
- 31901100 WI
- Medicare enrollment
- Enrolled (PECOS I20050923000497); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest neurology physician records → All 399 in Wisconsin → Look up another NPI →
Also registered at 1300 South Dr.
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Felipe M. Ambas in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWisconsin Medical Examining Board
Search for license 32408Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
13% more Medicare Part D claims than the average neurology physician in 2024
1,550 Medicare Part D claims for 89 beneficiaries, against an average of 1,370 among the 15,005 providers of this specialty who prescribed in Part D. Brand-name drugs were 19% of claims.
Most prescribed
- Clonazepam101 claims
- Vraylar93 claims
- Lorazepam76 claims
- Divalproex Sodium Er74 claims
- Gabapentin73 claims
- Clozapine71 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.
Industry payments in 2024: $629.35
9 payments; by number, the most common kind was food and beverage; the largest payer was Otsuka America Pharmaceutical, Inc. The 10,858 providers of this specialty with any payment received $8,318.07 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through one group practice
- County OF WaupacaWaupaca, WI
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Felipe M. Ambas among 399 neurology physician records in Wisconsin
Felipe M. Ambas, M.D. is one of 399 neurology physician records with a practice address in Wisconsin. 77% 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 4% of them.
- NPI issued2006 · 4% of these records are older, 53% newer
- In a Medicare fileYes · 77% of these records are
- In the CMS Doctors and Clinicians fileYes · 69% of these records are
- Graduated1973 · median 2005 among the 274 with a school on file
- Record last updated2023 · 51% 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 Wisconsin practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
5 neurology physician records list a practice address in Winnebago
They are 5 of the 63 NPPES records with a practice address in Winnebago, and 399 neurology physician records in Wisconsin.
All 399 in Wisconsin → Every provider in Winnebago → Neurology Physician nationwide →
The 8 neurology physician records with the nearest ZIP codes
- Randy Kerswill, M.D.Winnebago, WI 549851649336462
- Thomas MichlowskiWinnebago, WI 549851932630985
- Ather Siddiqui, M.D.Winnebago, WI 549851316007164
- Sylvester Szadkowski, M.D.Winnebago, WI 549851780744532
- Joseph Jares, MDNeenah, WI 549561194714469
- Lisa Kokontis, MDNeenah, WI 549561487604526
- Gizell Larson, MDNeenah, WI 549561629029707
- Daniel Long, D.ONeenah, WI 549561033523329
Common questions
What is Felipe M. Ambas, M.D.'s NPI number?
Felipe M. Ambas, M.D.'s National Provider Identifier (NPI) is 1619039419, issued on Dec 15, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Felipe M. Ambas, M.D. located?
The NPPES record lists a practice address at 1300 South Dr., Winnebago, WI, 54985. Phone: (920) 235-4910. Providers update this record themselves, so call before visiting.
How can I verify Felipe M. Ambas, M.D.'s license?
NPPES lists Wisconsin license number 32408, as entered by the provider. Search the Wisconsin Medical Examining Board at https://dsps.wi.gov/Pages/BoardsCouncils/MEB/Default.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Felipe M. Ambas, M.D. prescribe under Medicare Part D?
In 2024, Felipe M. Ambas, M.D. had 1,550 Medicare Part D claims for 89 beneficiaries; 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.