NPPES file of Aug 9, 2026

Julia Y. Li, MD

Psychiatry Physician · Vacaville, CA

Julia Y. Li, MD is a psychiatry physician with a practice address in Vacaville, California, and NPI 1669544474, issued on Nov 15, 2006. Check the license (California A77929, as entered in NPPES) on the Medical Board of California; the federal record below is the public data PlainDoctor holds for this provider.

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

NPPES recordNPPES file of Aug 9, 2026
1669544474
Name
Julia Y. Li
Credential
MD
Primary taxonomy
Psychiatry Physician 2084P0800X
License number
A77929 CA
Self-reported in NPPES; status is on the state search
Practice location
3700 Vaca Valley Pkwy, Vacaville, CA 95688
Phone
(707) 453-5055
Enumerated
Nov 15, 2006
Record last updated
Jan 10, 2022
Medicaid ID
00A779290 CA
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.
Download card Updates feed

Also registered at 3700 Vaca Valley Pkwy

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

  1. Patricia Carbone, RDPediatric Nutrition Registered Dietitian1982764627
  2. Warren Cheung, P.T.Physical Therapist1821166919
  3. Lewis Gabbard, PTPhysical Therapist1346300316
  4. Maria Gallagher, PHARM DPharmacist1013076264
  5. Walter Garcia, F.N.P.-CFamily Nurse Practitioner1841356227
  6. Michael Giarritta, MFTMarriage & Family Therapist1861547887

Verify Julia Y. 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 A77929
    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.

Is this page about you? You can ask us to correct, restrict or remove it: how.

Julia Y. Li among 8,673 psychiatry physician records in California

Julia Y. Li, MD is one of 8,673 psychiatry physician records with a practice address in California. 67% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does not. Its NPI, issued in 2006, is newer than 2% of them.

  • NPI issued2006 · 2% of these records are older, 67% newer
  • In a Medicare fileNo · 67% of these records are
  • In the CMS Doctors and Clinicians fileNo · 38% of these records are
  • Record last updated2022 · 54% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2084P0800X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

35 psychiatry physician records list a practice address in Vacaville

They are 35 of the 1,903 NPPES records with a practice address in Vacaville, and 8,673 psychiatry physician records in California. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

The 8 psychiatry physician records with the nearest ZIP codes

  1. Sarah Altschuler, M.D., M.P.H.Vacaville, CA 956881134151665
  2. Arlene Brown, MDVacaville, CA 956881326127010
  3. William Davis, M.D.Vacaville, CA 956881124494646
  4. Joel Fine, MDVacaville, CA 956881467556951
  5. Amy FugleiVacaville, CA 956881760625842
  6. Ethan Harris, M.D.Vacaville, CA 956881124011689
  7. Radu Mischiu, MDVacaville, CA 956881700114048
  8. Thara Nazareth, MDVacaville, CA 956881609360882

Common questions

What is Julia Y. Li, MD's NPI number?

Julia Y. Li, MD's National Provider Identifier (NPI) is 1669544474, issued on Nov 15, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Julia Y. Li, MD located?

The NPPES record lists a practice address at 3700 Vaca Valley Pkwy, Vacaville, CA, 95688. Phone: (707) 453-5055. Providers update this record themselves, so call before visiting.

How can I verify Julia Y. Li, MD's license?

NPPES lists California license number A77929, 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. 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.