Allison Marie Underwood
Physician Assistant · La Jolla, CA
Allison Marie Underwood is a physician assistant with a practice address in La Jolla, California, and NPI 1699558478, issued on Aug 16, 2023. Check the license (California 65878, as entered in NPPES) with the California board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Allison Marie Underwood
- Primary taxonomy
- Physician Assistant 363A00000X
- License number
- 65878 CA
Self-reported in NPPES; status is on the state search - Practice location
- 9850 Genesee Ave Ste 320, La Jolla, CA 92037
- Phone
- (858) 554-1212
- Enumerated
- Aug 16, 2023
- Record last updated
- Apr 10, 2025
- Fax
- (858) 795-1195
- Medicare enrollment
- Enrolled (PECOS I20250421002829); 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 9850 Genesee Ave Ste 320
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Allison Marie Underwood in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this profession
Search for license 65878Check 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 Diego, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Allison Marie Underwood among 14,451 physician assistant records in California
Allison Marie Underwood 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 2023, is newer than 80% of them.
- NPI issued2023 · 80% of these records are older, 13% 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).
136 physician assistant records list a practice address in La Jolla
They are 136 of the 3,648 NPPES records with a practice address in La Jolla, and 14,451 physician assistant records in California.
All 14,451 in California → Every provider in La Jolla → Physician Assistant nationwide →
The 8 physician assistant records with the nearest ZIP codes
- Heather Bonaguidi, P.A.La Jolla, CA 920371669458691
- Abha Bosworth, PALa Jolla, CA 920371629067053
- Daniel Collins, P.A.La Jolla, CA 920371548247158
- Doris Elias, P.A.La Jolla, CA 920371457338089
- Karen Fetzer, P.A.-C.La Jolla, CA 920371063490761
- Susan Gilroy, P.A.-C.La Jolla, CA 920371992783575
- Madonna Guzman, P.A.-C.La Jolla, CA 920371871571455
- Christy Kerr, P.A.-C.La Jolla, CA 920371184602336
Common questions
What is Allison Marie Underwood's NPI number?
Allison Marie Underwood's National Provider Identifier (NPI) is 1699558478, issued on Aug 16, 2023. An NPI identifies a provider in billing; it is not a license.
Where is Allison Marie Underwood located?
The NPPES record lists a practice address at 9850 Genesee Ave Ste 320, La Jolla, CA, 92037. Phone: (858) 554-1212. Providers update this record themselves, so call before visiting.
How can I verify Allison Marie Underwood's license?
NPPES lists California license number 65878, 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.