Lo Fu Tan, MD
Family Medicine Physician · San Ysidro, CA
Lo Fu Tan, MD is a family medicine physician with a practice address in San Ysidro, California, and NPI 1356314835, issued on Feb 7, 2006. Check the license (California C170935, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Lo Fu Tan
- Credential
- MD
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License numbers
- C170935 CA
10849 NV
Self-reported in NPPES; status is on the state search - Practice location
- 3364 Beyer Blvd Ste 102, San Ysidro, CA 92173
- Phone
- (702) 617-1227
- Enumerated
- Feb 7, 2006
- Record last updated
- Apr 25, 2024
- Fax
- (702) 492-1589
- Medicaid IDs
- 1356314835 NV
100502942 NV - Entity
- Type 1 · individual
8 nearest family medicine physician records → All 17,133 in California → Look up another NPI →
Verify Lo Fu Tan in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license C170935Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
10% more Medicare Part D claims than the average family medicine physician in 2024
3,913 Medicare Part D claims for 144 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. Brand-name drugs were 12% of claims. 46 claims were for opioids.
Most prescribed
- Atorvastatin Calcium225 claims
- Amlodipine Besylate154 claims
- Levothyroxine Sodium142 claims
- Furosemide114 claims
- Donepezil Hcl107 claims
- Gabapentin104 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.
Lo Fu Tan among 17,133 family medicine physician records in California
Lo Fu Tan, 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 2006, is newer than 6% of them.
- NPI issued2006 · 6% of these records are older, 59% newer
- In a Medicare fileYes · 81% of these records are
- In the CMS Doctors and Clinicians fileNo · 62% of these records are
- Record last updated2024 · 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).
25 family medicine physician records list a practice address in San Ysidro
They are 25 of the 218 NPPES records with a practice address in San Ysidro, and 17,133 family medicine physician records in California.
All 17,133 in California → Every provider in San Ysidro → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
- Noemi Arrieta, DOSan Ysidro, CA 921731912223496
- James Cevallos, MDSan Ysidro, CA 921731720181829
- Jay Downey, M.D.San Ysidro, CA 921731073610960
- Cesar Duque Gomez, MDSan Ysidro, CA 921731154513877
- Karla Garcia, M.D., M.P.H.San Ysidro, CA 921731154647410
- Aleka Heinrici, MDSan Ysidro, CA 921731780979120
- Jefferson Hendrix, MDSan Ysidro, CA 921731235142738
- Jorge Mata, MDSan Ysidro, CA 921731528150778
Common questions
What is Lo Fu Tan, MD's NPI number?
Lo Fu Tan, MD's National Provider Identifier (NPI) is 1356314835, issued on Feb 7, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Lo Fu Tan, MD located?
The NPPES record lists a practice address at 3364 Beyer Blvd Ste 102, San Ysidro, CA, 92173. Phone: (702) 617-1227. Providers update this record themselves, so call before visiting.
How can I verify Lo Fu Tan, MD's license?
NPPES lists California license number C170935, 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 Lo Fu Tan, MD prescribe under Medicare Part D?
In 2024, Lo Fu Tan, MD had 3,913 Medicare Part D claims for 144 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.