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Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum Sole proprietor

Robert North Dunn, MD

Undersea and Hyperbaric Medicine (Preventive Medicine) Physician in San Antonio, TX · enumerated 2006 · practices at Foundation Bariatric Hospital of San Antonio, LLC.

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

National Provider Identifier

1801991492

Verified

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Registry record

Entity type Individual (Type 1)
Name Robert North Dunn
Credential MD
Sex Male
Practice address San Antonio, TX, 78240
Phone (210) 478-5390
Enumeration date Sep 14, 2006
Last updated in NPPES Jan 21, 2016

Street address withheld: NPPES sole-proprietor addresses can be home addresses. See our data policy.

Taxonomy & licenses

2083P0011X Undersea and Hyperbaric Medicine (Preventive Medicine) Physician Allopathic & Osteopathic Physicians · License N5025 (TX) Primary
208600000X Surgery Physician Allopathic & Osteopathic Physicians · License N5025 (TX) Secondary
2086S0102X Surgical Critical Care Physician Allopathic & Osteopathic Physicians · License N5025 (TX) Secondary
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
012801 Medicaid MS -
114348001 Medicaid AR -
281744701 Medicaid TX -
100050270A Medicaid OK -

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

What is the NPI number for Robert Dunn?
The National Provider Identifier (NPI) for Robert Dunn is 1801991492, a Type 1 (individual) record in the CMS NPPES registry.
Where does Robert Dunn practice?
The practice location on file with NPPES is in San Antonio, TX. Providers can have multiple locations; NPPES lists the primary practice address.

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2016-01-21.