NPPES file of Aug 9, 2026

Julian A. Santiago, PA-C

Physician Assistant · San Francisco, CA

Julian A. Santiago, PA-C is a physician assistant with a practice address in San Francisco, California, and NPI 1356713028, issued on Oct 21, 2015. Check the license (California PA55517, as entered in NPPES) with the California board that licenses this profession; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1356713028
Name
Julian A. Santiago
Credential
PA-C
Primary taxonomy
Physician Assistant 363A00000X
License numbers
PA55517 CA
019319 NY
Self-reported in NPPES; status is on the state search
Practice location
199 W Portal Ave, San Francisco, CA 94127
Phone
(415) 821-8798
Enumerated
Oct 21, 2015
Record last updated
Sep 9, 2019 (not updated in 7 years: call before relying on the address or phone)
Fax
(415) 242-6244
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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Also registered at 199 W Portal Ave

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

  1. Evan Baily, PA-CPhysician Assistant1376908145
  2. Jordan Barton, PA-CPhysician Assistant1538642459
  3. Brandy Blau, NPFamily Nurse Practitioner1619290483
  4. Michael Britton, FNP-CFamily Nurse Practitioner1639800527
  5. Kathleen Lew, PA-CPhysician Assistant1992010110
  6. Katie Liang, NPFamily Nurse Practitioner1821519810

Verify Julian A. Santiago in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich California board licenses this profession
    Search for license PA55517
    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
Find the California license search

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85% fewer Medicare Part D claims than the average physician assistant in 2024

128 Medicare Part D claims for 96 beneficiaries, against an average of 830 among the 101,058 providers of this specialty who prescribed in Part D.

  1. Julian Santiago128
  2. Specialty average830

Most prescribed

  1. Ibuprofen15 claims
  2. Cyclobenzaprine Hcl14 claims
  3. Amoxicillin-Clavulanate Potass12 claims

Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.

Industry payments in 2024: $108.74

1 payment: food and beverage; the largest payer was AstraZeneca Pharmaceuticals LP. The 64,719 providers of this specialty with any payment received $841.65 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Julian Santiago$108.74
  2. Specialty average$841.65

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

Julian A. Santiago among 14,451 physician assistant records in California

Julian A. Santiago, PA-C is one of 14,451 physician assistant records with a practice address in California. 75% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2015, is newer than 41% of them.

  • NPI issued2015 · 41% of these records are older, 56% newer
  • In a Medicare fileYes · 75% of these records are
  • In the CMS Doctors and Clinicians fileNo · 50% of these records are
  • Record last updated2019 · 40% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363A00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Physician Assistant providers in California

There are 14,451 physician assistant records in California.

The 8 physician assistant records with the nearest ZIP codes

  1. Evan Baily, PA-CSan Francisco, CA 941271376908145
  2. Jordan Barton, PA-CSan Francisco, CA 941271538642459
  3. Kathleen Lew, PA-CSan Francisco, CA 941271992010110
  4. Jennifer White, PA-CSan Francisco, CA 941271477787604
  5. Yiu Sing Eugene Wong, PA-CSan Francisco, CA 941271912535451
  6. Kevin Cho, PA-CSan Francisco, CA 941281558090845
  7. Christopher AlveySan Francisco, CA 941231851842009
  8. Joel Depaoli, PASan Francisco, CA 941231316391642

Common questions

What is Julian A. Santiago, PA-C's NPI number?

Julian A. Santiago, PA-C's National Provider Identifier (NPI) is 1356713028, issued on Oct 21, 2015. An NPI identifies a provider in billing; it is not a license.

Where is Julian A. Santiago, PA-C located?

The NPPES record lists a practice address at 199 W Portal Ave, San Francisco, CA, 94127. Phone: (415) 821-8798. Providers update this record themselves, so call before visiting.

How can I verify Julian A. Santiago, PA-C's license?

NPPES lists California license number PA55517, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.

How much does Julian A. Santiago, PA-C prescribe under Medicare Part D?

In 2024, Julian A. Santiago, PA-C had 128 Medicare Part D claims for 96 beneficiaries; the average among physician assistant prescribers was 830. Part D covers Medicare prescriptions only.

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.