NPI Portal NPI Lookup & Verification

John Schwartz, MD

John Schwartz is a Diagnostic Radiology Physician provider (Radiology) practicing in Watertown, SD, registered in the NPPES registry with NPI 1144288564 since 2006. The credential MD stands for Doctor of Medicine.

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NPI 1144288564
Entity type Individual (Type 1)
Name John Schwartz
Credential MD
Sex Male
Practice address 506 1ST AVE SE, Watertown, SD, 57201
Phone 6058844212
Fax 6058844300
Enumeration date 2006-05-03
Last updated in NPPES 2008-09-04

Taxonomy & licenses

Taxonomy code Specialty Primary License State
2085R0202X Diagnostic Radiology Physician Primary 3482 SD

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
7202683 Medicaid SD
Copy-ready billing details
Provider: John Schwartz, MD
NPI: 1144288564
Taxonomy: 2085R0202X (Diagnostic Radiology Physician)
Address: 506 1ST AVE SE, Watertown, SD, 57201

Other providers at this practice address

NPI Name Type Specialty Location
1053377556 Thomas Lechner Individual Family Medicine Physician Watertown, SD
1063479517 Edwin Gerrish Individual Surgery Physician Watertown, SD
1215994769 Stacie Lenssen Individual Family Medicine Physician Watertown, SD
1760449284 Clark Likness Individual Family Medicine Physician Watertown, SD
1114985132 David Carlson Individual Family Medicine Physician Watertown, SD
1770541807 Catherine Gerrish Individual Internal Medicine Physician Watertown, SD
1821056896 Hollis Nipe Individual Internal Medicine Physician Watertown, SD
1710923594 Joyce Larson Individual Medical Physician Assistant Watertown, SD

Verify this record

Cross-check NPI 1144288564 against the authoritative CMS record: view John Schwartz on the official NPPES registry .

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 or validate an NPI number.

Frequently asked questions

What is the NPI number for John Schwartz?
The National Provider Identifier (NPI) for John Schwartz is 1144288564, a Type 1 (individual) record in the CMS NPPES registry.
Where does John Schwartz practice?
The practice location on file with NPPES is in Watertown, SD. Providers can have multiple locations; NPPES lists the primary practice address.

Source: CMS NPPES (public data). Snapshot 2026-07-11. Provider record last updated 2008-09-04.