NPPES file of Aug 9, 2026

Justin Hong-Jie Tan, M.D.

Diagnostic Radiology Physician · San Diego, CA

Justin Hong-Jie Tan, M.D. is a diagnostic radiology physician with a practice address in San Diego, California, and NPI 1629385927, issued on Sep 8, 2010. Check the license (California A113634, 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 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1629385927
Name
Justin Hong-Jie Tan
Credential
M.D.
Primary taxonomy
Diagnostic Radiology Physician 2085R0202X
License number
A113634 CA
Self-reported in NPPES; status is on the state search
Practice location
4647 Zion Ave, San Diego, CA 92120
Phone
(619) 528-6000
Enumerated
Sep 8, 2010
Record last updated
Dec 1, 2021 (not updated in 5 years: call before relying on the address or phone)
Medicare enrollment
Enrolled (PECOS I20150922001270); accepts Medicare assignment
Medical or professional school
University Of California, San Francisco School Of Medicine, 2009
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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8 nearest diagnostic radiology physician records → All 4,500 in California → Look up another NPI →

Also registered at 4647 Zion Ave

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

  1. Samy Abdou, MDNeurological Surgery Physician1215085006
  2. Samvel Abelyan, PHARMDPharmacist1306629928
  3. Ali Aboutaleb, MDFamily Medicine Physician1821261405
  4. Patricia Achilly, CNMAdvanced Practice Midwife1932257847
  5. Linda Adams, PAPhysician Assistant1427174689
  6. Mette-Margrethe Adkisson, M.D.Emergency Medicine Physician1528288081

Verify Justin Hong-Jie Tan in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license A113634    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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75% fewer Medicare Part D claims than the average diagnostic radiology physician in 2024

13 Medicare Part D claims, against an average of 51 among the 2,711 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of claims.

  1. Justin Tan13
  2. Specialty average51

Most prescribed

  1. Clopidogrel11 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: $595.49

8 payments; by number, the most common kind was food and beverage; the largest payer was Boston Scientific Corporation. The 8,048 providers of this specialty with any payment received $2,488.38 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Justin Tan$595.49
  2. Specialty average$2,488.38

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

Bills Medicare through one group practice

  1. Southern California Permanente Medical GroupRiverside, CA

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

Justin Hong-Jie Tan among 4,500 diagnostic radiology physician records in California

Justin Hong-Jie Tan, M.D. is one of 4,500 diagnostic radiology 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 2010, is newer than 67% of them.

  • NPI issued2010 · 67% of these records are older, 30% newer
  • In a Medicare fileYes · 74% of these records are
  • In the CMS Doctors and Clinicians fileYes · 70% of these records are
  • Graduated2009 · median 2004 among the 3,130 with a school on file
  • Record last updated2021 · 60% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2085R0202X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Diagnostic Radiology Physician providers in California

There are 4,500 diagnostic radiology physician records in California.

All 4,500 in California → Every provider in San Diego → Diagnostic Radiology Physician nationwide →

The 8 diagnostic radiology physician records with the nearest ZIP codes

  1. Christopher Aquino, MDSan Diego, CA 921201750598504
  2. Stanley Cheng, MDSan Diego, CA 921201265505390
  3. Geoffrey Criqui, MDSan Diego, CA 921201942250584
  4. Erik Elam, MDSan Diego, CA 921201679646731
  5. James Ellingson, M.D.San Diego, CA 921201477581262
  6. Karl Grunseich, M.D.San Diego, CA 921201386006021
  7. Negar Knowles, MDSan Diego, CA 921201528260411
  8. Abraham Noorbakhsh, MD, MPHSan Diego, CA 921201568826345

Common questions

What is Justin Hong-Jie Tan, M.D.'s NPI number?

Justin Hong-Jie Tan, M.D.'s National Provider Identifier (NPI) is 1629385927, issued on Sep 8, 2010. An NPI identifies a provider in billing; it is not a license.

Where is Justin Hong-Jie Tan, M.D. located?

The NPPES record lists a practice address at 4647 Zion Ave, San Diego, CA, 92120. Phone: (619) 528-6000. Providers update this record themselves, so call before visiting.

How can I verify Justin Hong-Jie Tan, M.D.'s license?

NPPES lists California license number A113634, 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.

How much does Justin Hong-Jie Tan, M.D. prescribe under Medicare Part D?

In 2024, Justin Hong-Jie Tan, M.D. had 13 Medicare Part D claims; the average among diagnostic radiology physician prescribers was 51. 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.

Written with AI tools from the named public files; every figure is computed from those files (how it is made).

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.