NPPES file of Aug 9, 2026

Cheyenne Morgan Upton

Physician Assistant · El Segundo, CA

Cheyenne Morgan Upton is a physician assistant with a practice address in El Segundo, California, and NPI 1598350886, issued on Mar 8, 2021. Check the license (California 58991, 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
1598350886
Name
Cheyenne Morgan Upton
Primary taxonomy
Physician Assistant 363A00000X
License number
58991 CA
Self-reported in NPPES; status is on the state search
Practice location
2175 Park PL, El Segundo, CA 90245
Phone
(310) 354-4200
Enumerated
Mar 8, 2021
Record last updated
Mar 5, 2026
Medicare enrollment
Enrolled (PECOS I20230719003405); accepts Medicare assignment
Telehealth
Offers telehealth (CMS)
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 2175 Park PL

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

  1. Sharon Ahn, NP-CFamily Nurse Practitioner1558019430
  2. Juliana Almanza, FNPFamily Nurse Practitioner1629022389
  3. Monica Liyanage, NURSE PRACTITIONERFamily Nurse Practitioner1154926418
  4. Anish Peter, ANISH PETERInternal Medicine Physician1285884098
  5. May San-Rozano, NPFamily Nurse Practitioner1619393105

Verify Cheyenne Morgan Upton 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 58991
    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

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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58% fewer Medicare Part D claims than the average physician assistant in 2024

347 Medicare Part D claims for 214 beneficiaries, against an average of 830 among the 101,058 providers of this specialty who prescribed in Part D.

  1. Cheyenne Upton347
  2. Specialty average830

Most prescribed

  1. Prednisone40 claims
  2. Amoxicillin-Clavulanate Potass32 claims
  3. Doxycycline Hyclate26 claims
  4. Azithromycin18 claims
  5. Sulfamethoxazole-Trimethoprim18 claims
  6. Cephalexin17 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.

Bills Medicare through 2 group practices

  1. Carbon Health Medical Group OF California PCCerritos, CA
  2. Healthcare Partners Affiliates Medical GroupTorrance, CA

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

Cheyenne Morgan Upton among 14,451 physician assistant records in California

Cheyenne Morgan Upton 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 2021, is newer than 67% of them.

  • NPI issued2021 · 67% of these records are older, 27% newer
  • In a Medicare fileYes · 75% of these records are
  • In the CMS Doctors and Clinicians fileYes · 50% of these records are
  • Graduated2020 · median 2018 among the 7,214 with a school on file
  • Record last updated2026 · 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).

19 physician assistant records list a practice address in El Segundo

They are 19 of the 5,178 NPPES records with a practice address in El Segundo, and 14,451 physician assistant records in California.

The 8 physician assistant records with the nearest ZIP codes

  1. Lauren Bennett, PA-CEl Segundo, CA 902451245830181
  2. Joseph Burrow, PHYSICIAN ASSISTANTEl Segundo, CA 902451356812580
  3. Kelly Cicotte, PA-CEl Segundo, CA 902451891382719
  4. Elise Diner, P.A.-CEl Segundo, CA 902451902237894
  5. Isabel Hung Wan, PA-CEl Segundo, CA 902451831336817
  6. Elizabeth IdrogoEl Segundo, CA 902451205481728
  7. Sarah Jadin, PA-C, RDEl Segundo, CA 902451760844732
  8. Joseph Jones, PA-CEl Segundo, CA 902451982923843

Common questions

What is Cheyenne Morgan Upton's NPI number?

Cheyenne Morgan Upton's National Provider Identifier (NPI) is 1598350886, issued on Mar 8, 2021. An NPI identifies a provider in billing; it is not a license.

Where is Cheyenne Morgan Upton located?

The NPPES record lists a practice address at 2175 Park PL, El Segundo, CA, 90245. Phone: (310) 354-4200. Providers update this record themselves, so call before visiting.

How can I verify Cheyenne Morgan Upton's license?

NPPES lists California license number 58991, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.

How much does Cheyenne Morgan Upton prescribe under Medicare Part D?

In 2024, Cheyenne Morgan Upton had 347 Medicare Part D claims for 214 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.