Karissa Bartholme Plummer, PA-C
Physician Assistant · San Diego, CA
Karissa Bartholme Plummer, PA-C is a physician assistant with a practice address in San Diego, California, and NPI 1063834331, issued on Jan 6, 2014. Check the license (California PA51246, as entered in NPPES) with the California board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Karissa Bartholme Plummer
- Credential
- PA-C
- Primary taxonomy
- Physician Assistant 363A00000X
- License number
- PA51246 CA
Self-reported in NPPES; status is on the state search - Practice location
- 501 Washington St Ste 600, San Diego, CA 92103
- Phone
- (619) 278-3340
- Enumerated
- Jan 6, 2014
- Record last updated
- Sep 5, 2023
- Medicare enrollment
- Enrolled (PECOS I20141212001133); 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 501 Washington St Ste 600
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Jaclyn Allavie-Davis, NPFamily Nurse Practitioner1679029052
- Sara Herbenick, NPFamily Nurse Practitioner1912464058
- Brian Kim, MDFamily Medicine Physician1114022522
- Jovian Lam, MDInternal Medicine Physician1487143749
- Dania Lindenberg, MDPediatrics Physician1154369924
- Gabriela Mogrovejo, MDFamily Medicine Physician1295761765
Verify Karissa Bartholme Plummer in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this profession
Search for license PA51246Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
79% more Medicare Part D claims than the average physician assistant in 2024
1,488 Medicare Part D claims for 429 beneficiaries, against an average of 830 among the 101,058 providers of this specialty who prescribed in Part D. 12 claims were for opioids.
Most prescribed
- Levothyroxine Sodium84 claims
- Gabapentin59 claims
- Amlodipine Besylate52 claims
- Escitalopram Oxalate48 claims
- Lisinopril39 claims
- Rosuvastatin Calcium39 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.
Industry payments in 2024: $215.26
9 payments; by number, the most common kind was food and beverage; the largest payer was GlaxoSmithKline, LLC. The 64,719 providers of this specialty with any payment received $841.65 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through one group practice
- Scripps HealthSan Diego, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Karissa Bartholme Plummer among 14,451 physician assistant records in California
Karissa Bartholme Plummer, 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 2014, is newer than 38% of them.
- NPI issued2014 · 38% of these records are older, 59% newer
- In a Medicare fileYes · 75% of these records are
- In the CMS Doctors and Clinicians fileYes · 50% of these records are
- Graduated2013 · median 2018 among the 7,214 with a school on file
- Record last updated2023 · 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).
747 physician assistant records list a practice address in San Diego
They are 747 of the 52,937 NPPES records with a practice address in San Diego, and 14,451 physician assistant records in California.
All 14,451 in California → Every provider in San Diego → Physician Assistant nationwide →
The 8 physician assistant records with the nearest ZIP codes
- Jeremy Adler, PA-CSan Diego, CA 921031538154786
- Reena Cherry, PA-CSan Diego, CA 921031689729683
- Nathalie Egan, P.A.San Diego, CA 921031770583262
- Sarah Fernandes, M.H.S., PA-CSan Diego, CA 921031083798482
- Jardena Garner, PASan Diego, CA 921031073561072
- Christina Harris, PA-CSan Diego, CA 921031720053846
- Anita Majabo, PA-CSan Diego, CA 921031710006473
- Michael Nelms, PA-CSan Diego, CA 921031235113580
Common questions
What is Karissa Bartholme Plummer, PA-C's NPI number?
Karissa Bartholme Plummer, PA-C's National Provider Identifier (NPI) is 1063834331, issued on Jan 6, 2014. An NPI identifies a provider in billing; it is not a license.
Where is Karissa Bartholme Plummer, PA-C located?
The NPPES record lists a practice address at 501 Washington St Ste 600, San Diego, CA, 92103. Phone: (619) 278-3340. Providers update this record themselves, so call before visiting.
How can I verify Karissa Bartholme Plummer, PA-C's license?
NPPES lists California license number PA51246, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.
How much does Karissa Bartholme Plummer, PA-C prescribe under Medicare Part D?
In 2024, Karissa Bartholme Plummer, PA-C had 1,488 Medicare Part D claims for 429 beneficiaries; the average among physician assistant prescribers was 830. 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.