Uyen T. Ly, MD
Family Medicine Physician · Occidental, CA
Uyen T. Ly, MD is a family medicine physician with a practice address in Occidental, California, and NPI 1700889128, issued on May 31, 2005. Check the license (California A76278, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Uyen T. Ly
- Credential
- MD
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License number
- A76278 CA
Self-reported in NPPES; status is on the state search - Practice location
- 3802 Main Street, Occidental, CA 95465
- Phone
- (707) 874-2444
- Enumerated
- May 31, 2005
- Record last updated
- Jan 6, 2022
- Fax
- (707) 874-1664
- Medicaid ID
- FHC03899G CA
- Medicare enrollment
- Enrolled (PECOS I20040708000807); accepts Medicare assignment
- Medical or professional school
- University Of Washington School Of Medicine, 2000
- Entity
- Type 1 · individual
8 nearest family medicine physician records → All 17,133 in California → Look up another NPI →
Also registered at 3802 Main Street
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Trina Bowen, MDFamily Medicine Physician1609878917
- Victoria Davis, MDFamily Medicine Physician1427050731
- Kathleen O'Brien, LCSWClinical Social Worker1093718413
Verify Uyen T. Ly in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A76278Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
83% fewer Medicare Part D claims than the average family medicine physician in 2024
589 Medicare Part D claims for 379 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. 36 claims were for opioids.
Most prescribed
- Albuterol Sulfate Hfa36 claims
- Fluticasone Propionate34 claims
- Lisinopril31 claims
- Losartan Potassium20 claims
- Atorvastatin Calcium19 claims
- Levothyroxine Sodium19 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.
Bills Medicare through 2 group practices
- Permanente Medical Group IncSanta Rosa, CA
- Santa Rosa Community Health CentersSanta Rosa, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Uyen T. Ly among 17,133 family medicine physician records in California
Uyen T. Ly, MD is one of 17,133 family medicine physician records with a practice address in California. 81% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2005, is newer than 0% of them.
- NPI issued2005 · 0% of these records are older, 94% newer
- In a Medicare fileYes · 81% of these records are
- In the CMS Doctors and Clinicians fileYes · 62% of these records are
- Graduated2000 · median 2005 among the 10,652 with a school on file
- Record last updated2022 · 58% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207Q00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
4 family medicine physician records list a practice address in Occidental
They are 4 of the 23 NPPES records with a practice address in Occidental, and 17,133 family medicine physician records in California.
All 17,133 in California → Every provider in Occidental → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
- Trina Bowen, MDOccidental, CA 954651609878917
- Victoria Davis, MDOccidental, CA 954651427050731
- Rain Moore, MDOccidental, CA 954651043419559
- Kimberly Fordham, MDMiddletown, CA 954611376568808
- James Pretorius, M.D.Potter Valley, CA 954691629038971
- Arthur Ciancutti, MDMendocino, CA 954601689200867
- Karla Frey Gitlin, D.O.Redwood Valley, CA 954701780682617
- Robert Gitlin, D.O.Redwood Valley, CA 954701104824010
Common questions
What is Uyen T. Ly, MD's NPI number?
Uyen T. Ly, MD's National Provider Identifier (NPI) is 1700889128, issued on May 31, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Uyen T. Ly, MD located?
The NPPES record lists a practice address at 3802 Main Street, Occidental, CA, 95465. Phone: (707) 874-2444. Providers update this record themselves, so call before visiting.
How can I verify Uyen T. Ly, MD's license?
NPPES lists California license number A76278, 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 Uyen T. Ly, MD prescribe under Medicare Part D?
In 2024, Uyen T. Ly, MD had 589 Medicare Part D claims for 379 beneficiaries; the average among family medicine physician prescribers was 3,544. 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.