Walter Peter Unger, M.D.
Specialist · New York, NY
Walter Peter Unger, M.D. is a specialist with a practice address in New York, New York, and NPI 1457490005, issued on Feb 6, 2007. Check the license (New York 146348-1, as entered in NPPES) with the New York board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Walter Peter Unger
- Credential
- M.D.
- Primary taxonomy
- Specialist 174400000X
- License number
- 146348-1 NY
Self-reported in NPPES; status is on the state search - Practice location
- 620 Park Ave, New York, NY 10021
- Phone
- (212) 249-9393
- Enumerated
- Feb 6, 2007
- Record last updated
- Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
- Fax
- (212) 249-4032
- Entity
- Type 1 · individual
8 nearest specialist records → All 22,636 in New York → Look up another NPI →
Also registered at 620 Park Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Norman Charles, M.D.Ophthalmology Physician1356335525
- Robin Unger, M.D.Specialist1275677924
Verify Walter Peter Unger in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich New York board licenses this profession
Search for license 146348-1Check 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: $23.00
1 payment: food and beverage; the largest payer was Scpharmaceuticals Inc. The 5,844 providers of this specialty with any payment received $4,760.79 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.
Walter Peter Unger among 22,636 specialist records in New York
Walter Peter Unger, M.D. is one of 22,636 specialist records with a practice address in New York. 6% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2007, is newer than 8% of them.
- NPI issued2007 · 8% of these records are older, 89% newer
- In a Medicare fileYes · 6% of these records are
- In the CMS Doctors and Clinicians fileNo · 4% of these records are
- Record last updated2007 · 73% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 174400000X and a New York practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
1,896 specialist records list a practice address in New York
They are 1,896 of the 98,468 NPPES records with a practice address in New York, and 22,636 specialist records in New York.
All 22,636 in New York → Every provider in New York → Specialist nationwide →
The 8 specialist records with the nearest ZIP codes
- Dalit Ashany, M.D.New York, NY 100211407819931
- Barbara Braffman, M.D.New York, NY 100211225001662
- Keith Brunckhorst, M.D.New York, NY 100211053381186
- Doris Day, MDNew York, NY 100211851384028
- William Grace, M.D.New York, NY 100211578565610
- Gwen Harris, MDNew York, NY 100211285607614
- Clyde Hershan, M.D.New York, NY 100211568435956
- H. Jaliman, M.D.New York, NY 100211376505453
Common questions
What is Walter Peter Unger, M.D.'s NPI number?
Walter Peter Unger, M.D.'s National Provider Identifier (NPI) is 1457490005, issued on Feb 6, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Walter Peter Unger, M.D. located?
The NPPES record lists a practice address at 620 Park Ave, New York, NY, 10021. Phone: (212) 249-9393. Providers update this record themselves, so call before visiting.
How can I verify Walter Peter Unger, M.D.'s license?
NPPES lists New York license number 146348-1, as entered by the provider. Search the New York board that licenses this profession; the NPPES record confirms identity 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.