NPPES file of Aug 9, 2026

Allen Li, D.O.

Diagnostic Radiology Physician · Sacramento, CA

Allen Li, D.O. is a diagnostic radiology physician with a practice address in Sacramento, California, and NPI 1770902710, issued on Apr 7, 2014. Check the license (California 20A17033, 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
1770902710
Name
Allen Li
Credential
D.O.
Primary taxonomy
Diagnostic Radiology Physician 2085R0202X
License numbers
20A17033 CA
5101020930 MI
5315064323 MI
Self-reported in NPPES; status is on the state search
Practice location
3161 L St, Sacramento, CA 95816
Phone
(916) 878-3495
Enumerated
Apr 7, 2014
Record last updated
Jun 8, 2020 (not updated in 6 years: call before relying on the address or phone)
Medicare enrollment
Enrolled (PECOS I20200612001229); accepts Medicare assignment
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 3161 L St

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

  1. Matthew Alexander, M.D.Vascular & Interventional Radiology Physician1578899662
  2. Henry Andoh, M.D.Neuroradiology Physician1699021378
  3. Hesham Attaya, MDDiagnostic Radiology Physician1447413802
  4. Gautam Bahl, MDDiagnostic Radiology Physician1952562209
  5. George Bolton, M.D.Diagnostic Radiology Physician1568469708
  6. Roy Bonk, M.D.Diagnostic Radiology Physician1316993249

Verify Allen Li in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license 20A17033    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. Sutter Valley Medical FoundationRoseville, CA

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

Allen Li among 4,500 diagnostic radiology physician records in California

Allen Li, D.O. 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 2014, is newer than 78% of them.

  • NPI issued2014 · 78% of these records are older, 19% newer
  • In a Medicare fileYes · 74% of these records are
  • In the CMS Doctors and Clinicians fileYes · 70% of these records are
  • Graduated2014 · median 2004 among the 3,130 with a school on file
  • Record last updated2020 · 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 Sacramento → Diagnostic Radiology Physician nationwide →

The 8 diagnostic radiology physician records with the nearest ZIP codes

  1. George Bolton, M.D.Sacramento, CA 958161568469708
  2. Nicole Carbo, M.D.Sacramento, CA 958161902803059
  3. Christopher Chong, M.D.Sacramento, CA 958161851397772
  4. Paul Dong, M.D.Sacramento, CA 958161447257589
  5. Daniel Ichel, M.D.Sacramento, CA 958161386648061
  6. Joon Hak Lee, M.D.Sacramento, CA 958161215933874
  7. Robert Lincoln, M.D.Sacramento, CA 958161457357170
  8. Don Loomer, M.D.Sacramento, CA 958161124024062

Common questions

What is Allen Li, D.O.'s NPI number?

Allen Li, D.O.'s National Provider Identifier (NPI) is 1770902710, issued on Apr 7, 2014. An NPI identifies a provider in billing; it is not a license.

Where is Allen Li, D.O. located?

The NPPES record lists a practice address at 3161 L St, Sacramento, CA, 95816. Phone: (916) 878-3495. Providers update this record themselves, so call before visiting.

How can I verify Allen Li, D.O.'s license?

NPPES lists California license number 20A17033, 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.

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.