NPPES file of Aug 9, 2026

Marissa Robin Jennings, PA-C

Medical Physician Assistant · Los Angeles, CA

Marissa Robin Jennings, PA-C is a medical physician assistant with a practice address in Los Angeles, California, and NPI 1245979095, issued on May 31, 2022. Check the license (California 62675, as entered in NPPES) with the California board that licenses this profession; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1245979095
Name
Marissa Robin Jennings
Credential
PA-C
Primary taxonomy
Medical Physician Assistant 363AM0700X
License numbers
62675 CA
4517 SC
Self-reported in NPPES; status is on the state search
Practice location
808 W 58TH St, Los Angeles, CA 90037
Phone
(323) 541-1600
Enumerated
May 31, 2022
Record last updated
Jun 21, 2023
Medicare enrollment
Enrolled (PECOS I20230711003954); accepts Medicare assignment
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 808 W 58TH St

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Drew Ales-Pichugin, NPNurse Practitioner1932957826
  2. Heather AlexanderCounselor1295434322
  3. Ashley AlvarezNurse Practitioner1558005116
  4. Justin Amador, FNPFamily Nurse Practitioner1760772321
  5. Ivan AndradeMarriage & Family Therapist1811586894
  6. Zoe ArmasFamily Nurse Practitioner1316459274

Verify Marissa Robin Jennings in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich California board licenses this profession
    Search for license 62675
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Find the California license search

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85% fewer Medicare Part D claims than the average medical physician assistant in 2024

170 Medicare Part D claims for 37 beneficiaries, against an average of 1,148 among the 23,801 providers of this specialty who prescribed in Part D. Brand-name drugs were 19% of claims.

  1. Marissa Jennings170
  2. Specialty average1,148

Most prescribed

  1. Atorvastatin Calcium17 claims
  2. Metformin Hcl12 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: $34.26

2 payments; by number, the most common kind was food and beverage; the largest payer was Teva Pharmaceuticals USA, Inc. The 16,165 providers of this specialty with any payment received $1,055.00 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Marissa Jennings$34.26
  2. Specialty average$1,055.00

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

  1. St. John's Community HealthLos Angeles, CA

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Marissa Robin Jennings among 3,376 medical physician assistant records in California

Marissa Robin Jennings, PA-C is one of 3,376 medical physician assistant records with a practice address in California. 69% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2022, is newer than 82% of them.

  • NPI issued2022 · 82% of these records are older, 14% newer
  • In a Medicare fileYes · 69% of these records are
  • In the CMS Doctors and Clinicians fileYes · 40% of these records are
  • Graduated2022 · median 2012 among the 1,347 with a school on file
  • Record last updated2023 · 54% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363AM0700X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Medical Physician Assistant providers in California

There are 3,376 medical physician assistant records in California.

The 8 medical physician assistant records with the nearest ZIP codes

  1. Kelsey Bateman, P.A.Los Angeles, CA 900371013463322
  2. Dante Burga, PA-CLos Angeles, CA 900371629289780
  3. Jesse Hoagland, PA-CLos Angeles, CA 900371124360839
  4. Patricia Howard, PALos Angeles, CA 900371063687523
  5. Colleen Kiriazes, PA-CLos Angeles, CA 900371891244422
  6. Linda Lewis, P.A.Los Angeles, CA 900371477714020
  7. Brian Pfeiffer, PA-CLos Angeles, CA 900371457826901
  8. Catherine KnightLos Angeles, CA 900381275021347

Common questions

What is Marissa Robin Jennings, PA-C's NPI number?

Marissa Robin Jennings, PA-C's National Provider Identifier (NPI) is 1245979095, issued on May 31, 2022. An NPI identifies a provider in billing; it is not a license.

Where is Marissa Robin Jennings, PA-C located?

The NPPES record lists a practice address at 808 W 58TH St, Los Angeles, CA, 90037. Phone: (323) 541-1600. Providers update this record themselves, so call before visiting.

How can I verify Marissa Robin Jennings, PA-C's license?

NPPES lists California license number 62675, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.

How much does Marissa Robin Jennings, PA-C prescribe under Medicare Part D?

In 2024, Marissa Robin Jennings, PA-C had 170 Medicare Part D claims for 37 beneficiaries; the average among medical physician assistant prescribers was 1,148. 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.