Franklin Karsing Lo, M.D.
Family Medicine Physician · San Diego, CA
Franklin Karsing Lo, M.D. is a family medicine physician with a practice address in San Diego, California, and NPI 1073662516, issued on Jan 10, 2007. Check the license (California A85334, as entered in NPPES) on the Medical Board of California; the federal record below is the public data PlainDoctor holds for this provider.
- Name
- Franklin Karsing Lo
- Credential
- M.D.
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License number
- A85334 CA
Self-reported in NPPES; status is on the state search - Practice location
- 2496 Bauer Road, San Diego, CA 92145
- Phone
- (858) 307-6252
- Enumerated
- Jan 10, 2007
- Record last updated
- Mar 1, 2021 (not updated in 5 years: call before relying on the address or phone)
- Fax
- (858) 307-7754
- Entity
- Type 1 · individual
8 nearest family medicine physician records → All 17,133 in California → Look up another NPI →
Also registered at 2496 Bauer Road
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Franklin Karsing Lo in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A85334Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Franklin Karsing Lo among 17,133 family medicine physician records in California
Franklin Karsing Lo, M.D. 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 not. Its NPI, issued in 2007, is newer than 41% of them.
- NPI issued2007 · 41% of these records are older, 47% newer
- In a Medicare fileNo · 81% of these records are
- In the CMS Doctors and Clinicians fileNo · 62% of these records are
- Record last updated2021 · 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).
780 family medicine physician records list a practice address in San Diego
They are 780 of the 52,937 NPPES records with a practice address in San Diego, and 17,133 family medicine physician records in California. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.
All 17,133 in California → Every provider in San Diego → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
- Tracy Alexander, D.O.San Diego, CA 921451770777161
- Denise Coyle, M.D.San Diego, CA 921451093787244
- Jason Jergensen, DOSan Diego, CA 921401255890968
- Michael Swanson, D.O.San Diego, CA 921401801868633
- Jessica Adeleke, D.O.San Diego, CA 921541306145743
- Michael Bloir, D.O.San Diego, CA 921361346367430
- Anne Chmilewski, M.D.San Diego, CA 921541922445485
- Stephen Croughan, M.D.San Diego, CA 921541043323629
Common questions
What is Franklin Karsing Lo, M.D.'s NPI number?
Franklin Karsing Lo, M.D.'s National Provider Identifier (NPI) is 1073662516, issued on Jan 10, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Franklin Karsing Lo, M.D. located?
The NPPES record lists a practice address at 2496 Bauer Road, San Diego, CA, 92145. Phone: (858) 307-6252. Providers update this record themselves, so call before visiting.
How can I verify Franklin Karsing Lo, M.D.'s license?
NPPES lists California license number A85334, 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.