Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Hans Dieter Schwinn, M.D.

Family Medicine Physician in Westhampton Beach, NY · enumerated 2006 · practices at Southampton Hospital Association.

Data current as of Jul 13, 2026 · sourced from CMS NPPES

National Provider Identifier

1821164658

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Registry record

Entity type Individual (Type 1)

Name Hans Dieter Schwinn

Credential M.D.

Sex Male

Practice address 147 Beach Rd, Suite A, Westhampton Beach, NY, 11978

Phone (631) 288-7746

Fax (631) 288-7111

Enumeration date Nov 24, 2006

Last updated in NPPES May 3, 2016

Taxonomy & licenses

207Q00000X Family Medicine Physician Allopathic & Osteopathic Physicians · License 142943 (NY) Primary

MD · Doctor of Medicine: A physician who completed medical school (allopathic medicine), residency training, and state licensure. About the MD credential

Other identifiers

Identifier	Type	State	Issuer
1424946	Other	NY	UNITED HEALTHCARE
554868	Other	NY	US HEALTHCARE
P46338023	Other	NY	MULTIPLAN
142943	Other	NY	WORKERS COMPENSATION
5902166	Other	NY	GHI
928837	Other	NY	HEALTHNET
200496	Other	NY	UNIFORMED SER.FAMILY HLTH
4460333	Other	NY	AETNA
2C4001	Other	NY	PHYSICIANS HEALTH SERVICE
38359	Other	NY	CIGNA
42A681	Other	NY	BLUE CHOICE
00653416	Medicaid	NY	-
080091810	Other	NY	RAILROAD MEDICARE
200496	Other	NY	TRICARE
CP579	Other	NY	OXFORD

What is an NPI number?

A National Provider Identifier (NPI) is a unique 10-digit number that CMS assigns to every U.S. healthcare provider and organization under HIPAA. Type 1 NPIs identify individual providers; Type 2 NPIs identify organizations. The NPI appears on insurance claims, prescriptions, and credentialing paperwork, and never changes, even if the provider moves or changes specialty.

Read the full guide → Validate an NPI →

Frequently asked questions

How do I verify Hans Schwinn's NPI record?

Cross-check NPI 1821164658 against the official CMS registry at npiregistry.cms.hhs.gov. This page mirrors the same public NPPES data with a monthly snapshot.

Is NPI 1821164658 active?

Yes, as of the latest NPPES snapshot, NPI 1821164658 is active (record last updated 2016-05-03).

Other providers at this practice address

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Heidi Roppelt Rheumatology Physician · Westhampton Beach, NY NPI 1578588703 Alex Aponte Family Medicine Physician · Westhampton Beach, NY NPI 1861568685 Jennifer Gagne Nurse Practitioner · Westhampton Beach, NY NPI 1679649412 Southampton Hospital Association Primary Care Clinic/Center · Westhampton Beach, NY NPI 1295899086 Lina Rios Internal Medicine Physician · Westhampton Beach, NY NPI 1104250380 Keith Zauderer Family Medicine Physician · Westhampton Beach, NY NPI 1871949867

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2016-05-03.