Sarah Lane Ketcham, PA-C
Physician Assistant · San Marcos, CA
Sarah Lane Ketcham, PA-C is a physician assistant with a practice address in San Marcos, California, and NPI 1972341691, issued on Jul 17, 2024. Check the license (California PA65703, as entered in NPPES) with the California board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Sarah Lane Ketcham
- Credential
- PA-C
- Primary taxonomy
- Physician Assistant 363A00000X
- License number
- PA65703 CA
Self-reported in NPPES; status is on the state search - Practice location
- 314 S Twin Oaks Valley RD, San Marcos, CA 92078
- Phone
- (858) 554-1212
- Enumerated
- Jul 17, 2024
- Record last updated
- Oct 20, 2025
- Fax
- (858) 795-1195
- Medicare enrollment
- Enrolled (PECOS I20250221002779); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest physician assistant records → All 14,451 in California → Look up another NPI →
Also registered at 314 S Twin Oaks Valley RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Pierre Doche, DMDDentist1396789327
Verify Sarah Lane Ketcham in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this profession
Search for license PA65703Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Bills Medicare through one group practice
- Monica Perlman MD IncSan Marcos, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Sarah Lane Ketcham among 14,451 physician assistant records in California
Sarah Lane Ketcham, PA-C is one of 14,451 physician assistant records with a practice address in California. 75% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2024, is newer than 87% of them.
- NPI issued2024 · 87% of these records are older, 7% newer
- In a Medicare fileYes · 75% of these records are
- In the CMS Doctors and Clinicians fileYes · 50% of these records are
- Graduated2024 · median 2018 among the 7,214 with a school on file
- Record last updated2025 · 40% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363A00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
26 physician assistant records list a practice address in San Marcos
They are 26 of the 1,985 NPPES records with a practice address in San Marcos, and 14,451 physician assistant records in California.
All 14,451 in California → Every provider in San Marcos → Physician Assistant nationwide →
The 8 physician assistant records with the nearest ZIP codes
- Roderick Lazo, P.A.San Marcos, CA 920781588789754
- Flor Leon, PA-CSan Marcos, CA 920781902358237
- Elizabeth McElmell, P.A.San Marcos, CA 920781659574390
- Safwat Rafla, PASan Marcos, CA 920781366621336
- Haley Rubio, PA-CSan Marcos, CA 920781598394371
- Christie Smallwood, OTR/LSan Marcos, CA 920781942736699
- Bryant Vo, PASan Marcos, CA 920781073374542
- Brynn Waddington, PA-CSan Marcos, CA 920781245792399
Common questions
What is Sarah Lane Ketcham, PA-C's NPI number?
Sarah Lane Ketcham, PA-C's National Provider Identifier (NPI) is 1972341691, issued on Jul 17, 2024. An NPI identifies a provider in billing; it is not a license.
Where is Sarah Lane Ketcham, PA-C located?
The NPPES record lists a practice address at 314 S Twin Oaks Valley RD, San Marcos, CA, 92078. Phone: (858) 554-1212. Providers update this record themselves, so call before visiting.
How can I verify Sarah Lane Ketcham, PA-C's license?
NPPES lists California license number PA65703, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity 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.