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

Dr. Hiram Antonio Ruiz Santiago II, MD

MOHS-Micrographic Surgery Physician in Bayamon, PR · enumerated 2005 · practices at Dermasurgery, Psc.

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

National Provider Identifier

1447249768

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Registry record

Entity type Individual (Type 1)

Name Dr. Hiram Antonio Ruiz Santiago II

Credential MD

Sex Male

Practice address Bayamon, PR, 00959

Phone (787) 641-9585

Fax (787) 641-9586

Enumeration date Oct 19, 2005

Last updated in NPPES May 29, 2015

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

Taxonomy & licenses

207N00000X Dermatology Physician Allopathic & Osteopathic Physicians · License 12825 (PR) Secondary

207ND0101X MOHS-Micrographic Surgery Physician Allopathic & Osteopathic Physicians · License 12825 (PR) 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
26193	Other	PR	MEDICARE NUMBER-RCM

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.

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Frequently asked questions

What is the NPI number for Hiram Ruiz Santiago?

The National Provider Identifier (NPI) for Hiram Ruiz Santiago is 1447249768, a Type 1 (individual) record in the CMS NPPES registry.

Where does Hiram Ruiz Santiago practice?

The practice location on file with NPPES is in Bayamon, PR. Providers can have multiple locations; NPPES lists the primary practice address.

Other providers at this practice address

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Dermasurgery, Psc Health Service Clinic/Center · Bayamon, PR NPI 1285850230

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2015-05-29.