NPPES file of Aug 9, 2026

Alan Santiago, MD

Orthopaedic Surgery Physician · Orange, CA

Alan Santiago, MD is an orthopaedic surgery physician with a practice address in Orange, California, and NPI 1295234391, issued on Feb 5, 2018. Check the license (California A201646, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1295234391
Name
Alan Santiago
Credential
MD
Primary taxonomy
Orthopaedic Surgery Physician 207X00000X
License numbers
A201646 CA
W5955 TX
Self-reported in NPPES; status is on the state search
Practice location
101 The City Dr S, Orange, CA 92868
Phone
(800) 465-3203
Enumerated
Feb 5, 2018
Record last updated
Jun 12, 2026
Medicare enrollment
Enrolled (PECOS I20250811003107); accepts Medicare assignment
Medical or professional school
University Of Puerto Rico School Of Medicine, 2020
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 101 The City Dr S

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Danny Abad, PAPhysician Assistant1477158673
  2. Edward AbaradoStudent in an Organized Health Care Education/Training Program1912855198
  3. Nagina Abdiani, DOGeriatric Medicine (Family Medicine) Physician1518543271
  4. Mariam Abdul-Latif, M.D.Pediatrics Physician1538418884
  5. Eric AbelloOtolaryngology Physician1922566215
  6. Brandon Abeyta, MDAnesthesiology Physician1841291804

Verify Alan Santiago in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license A201646
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the California license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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Bills Medicare through one group practice

  1. Regents OF The University OF CaliforniaOrange, CA

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Alan Santiago among 2,276 orthopaedic surgery physician records in California

Alan Santiago, MD is one of 2,276 orthopaedic surgery physician records with a practice address in California. 74% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2018, is newer than 90% of them.

  • NPI issued2018 · 90% of these records are older, 8% newer
  • In a Medicare fileYes · 74% of these records are
  • In the CMS Doctors and Clinicians fileYes · 59% of these records are
  • Graduated2020 · median 2003 among the 1,347 with a school on file
  • Record last updated2026 · 66% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207X00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Orthopaedic Surgery Physician providers in California

There are 2,276 orthopaedic surgery physician records in California.

The 8 orthopaedic surgery physician records with the nearest ZIP codes

  1. Steven Barnett, MDOrange, CA 928681750378030
  2. Lawrence Barnett, MDOrange, CA 928681386631406
  3. Paul Beck, MDOrange, CA 928681356322879
  4. Peter Birnbaum, D.O. INC.Orange, CA 928681538267042
  5. Michael Gillman, M.D.Orange, CA 928681275536633
  6. Robert Gorab, MDOrange, CA 928681326035601
  7. Robert Macarthur, MDOrange, CA 928681508949470
  8. William McMaster, M.D.Orange, CA 928681336175058

Common questions

What is Alan Santiago, MD's NPI number?

Alan Santiago, MD's National Provider Identifier (NPI) is 1295234391, issued on Feb 5, 2018. An NPI identifies a provider in billing; it is not a license.

Where is Alan Santiago, MD located?

The NPPES record lists a practice address at 101 The City Dr S, Orange, CA, 92868. Phone: (800) 465-3203. Providers update this record themselves, so call before visiting.

How can I verify Alan Santiago, MD's license?

NPPES lists California license number A201646, as entered by the provider. Search the Medical Board of California at https://www.mbc.ca.gov/License-Verification/default.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

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.