Peter David Holzwarth, MD
Pediatrics Physician · Neenah, WI
Peter David Holzwarth, MD is a pediatrics physician with a practice address in Neenah, Wisconsin, and NPI 1629001912, issued on Jul 9, 2006. Check the license (Wisconsin 35954, as entered in NPPES) on the Wisconsin Medical Examining Board; the Medicare figures below come from public CMS files.
- Name
- Peter David Holzwarth
- Credential
- MD
- Primary taxonomy
- Pediatrics Physician 208000000X
- License number
- 35954 WI
Self-reported in NPPES; status is on the state search - Practice location
- 120 Second Street, Neenah, WI 54956
- Phone
- (920) 969-7900
- Enumerated
- Jul 9, 2006
- Record last updated
- Jan 14, 2019 (not updated in 7 years: call before relying on the address or phone)
- Fax
- (920) 969-7979
- Medicaid ID
- 1629001912 WI
- Entity
- Type 1 · individual
8 nearest pediatrics physician records → All 1,203 in Wisconsin → Look up another NPI →
Verify Peter David Holzwarth in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWisconsin Medical Examining Board
Search for license 35954Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Industry payments in 2024: $56.89
3 payments; by number, the most common kind was food and beverage; the largest payer was Abbvie Inc. The 21,580 providers of this specialty with any payment received $842.05 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.
Peter David Holzwarth among 1,203 pediatrics physician records in Wisconsin
Peter David Holzwarth, MD is one of 1,203 pediatrics physician records with a practice address in Wisconsin. 20% 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, 49% newer
- In a Medicare fileYes · 20% of these records are
- In the CMS Doctors and Clinicians fileNo · 12% of these records are
- Record last updated2019 · 52% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 208000000X and a Wisconsin practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
25 pediatrics physician records list a practice address in Neenah
They are 25 of the 919 NPPES records with a practice address in Neenah, and 1,203 pediatrics physician records in Wisconsin.
All 1,203 in Wisconsin → Every provider in Neenah → Pediatrics Physician nationwide →
The 8 pediatrics physician records with the nearest ZIP codes
- Kenneth Branstetter, M.D.Neenah, WI 549561427139575
- John Edwards, MDNeenah, WI 549561497787048
- Natalie Gehringer, MDNeenah, WI 549561639164130
- Kevin Gentile, MDNeenah, WI 549561134185861
- Eileen Jekot, MDNeenah, WI 549561194733576
- William Kasper, MDNeenah, WI 549561093709891
- Patricia Kasper, MDNeenah, WI 549561104811686
- Lynn Kohlmeier, M.D.Neenah, WI 549561528053626
Common questions
What is Peter David Holzwarth, MD's NPI number?
Peter David Holzwarth, MD's National Provider Identifier (NPI) is 1629001912, issued on Jul 9, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Peter David Holzwarth, MD located?
The NPPES record lists a practice address at 120 Second Street, Neenah, WI, 54956. Phone: (920) 969-7900. Providers update this record themselves, so call before visiting.
How can I verify Peter David Holzwarth, MD's license?
NPPES lists Wisconsin license number 35954, 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.
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.