NPPES file of Aug 9, 2026

Jennifer Chronis, M.D.

Family Medicine Physician · Pasadena, CA

Jennifer Chronis, M.D. is a family medicine physician with a practice address in Pasadena, California, and NPI 1598297954, issued on Apr 3, 2017. Check the license (California A157629, as entered in NPPES) on the Medical Board of California; 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
1598297954
Name
Jennifer Chronis
Credential
M.D.
Primary taxonomy
Family Medicine Physician 207Q00000X
License number
A157629 CA
Self-reported in NPPES; status is on the state search
Practice location
625 S Fair Oaks Ave, Pasadena, CA 91105
Phone
(310) 423-4366
Enumerated
Apr 3, 2017
Record last updated
Oct 21, 2025
Medicare enrollment
Enrolled (PECOS I20200708000347); accepts Medicare assignment
Medical or professional school
Wayne State University School Of Medicine, 2017
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.
Download card Updates feed

Also registered at 625 S Fair Oaks Ave

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

  1. Candida BahnmaierTechnician/Technologist1841080132
  2. Kim Bui, M.D.Obstetrics & Gynecology Physician1164871133
  3. Heather Butler, MDDermatology Physician1417927419
  4. Jennie Chang, M.D.Obstetrics & Gynecology Physician1982668422
  5. Norman Chien, MDGeriatric Medicine (Internal Medicine) Physician1184696999
  6. Gary Conrad, M.D.Cardiovascular Disease Physician1669424271

Verify Jennifer Chronis in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license A157629
    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
Open 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.

Is this page about you? You can ask us to correct, restrict or remove it: how.

8% fewer Medicare Part D claims than the average family medicine physician in 2024

3,276 Medicare Part D claims for 400 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. Brand-name drugs were 10% of claims. 77 claims were for opioids.

  1. Jennifer Chronis3,276
  2. Specialty average3,544

Most prescribed

  1. Levothyroxine Sodium175 claims
  2. Atorvastatin Calcium166 claims
  3. Amlodipine Besylate134 claims
  4. Losartan Potassium116 claims
  5. Metformin Hcl Er86 claims
  6. Rosuvastatin Calcium84 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: $240.12

12 payments; by number, the most common kind was food and beverage; the largest payer was Novo Nordisk Inc. The 55,478 providers of this specialty with any payment received $902.55 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Jennifer Chronis$240.12
  2. Specialty average$902.55

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. Cedars-Sinai Medical Care FoundationPasadena, CA

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

Jennifer Chronis among 17,133 family medicine physician records in California

Jennifer Chronis, M.D. is one of 17,133 family medicine physician records with a practice address in California. 81% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2017, is newer than 79% of them.

  • NPI issued2017 · 79% of these records are older, 18% newer
  • In a Medicare fileYes · 81% of these records are
  • In the CMS Doctors and Clinicians fileYes · 62% of these records are
  • Graduated2017 · median 2005 among the 10,652 with a school on file
  • Record last updated2025 · 58% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207Q00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Family Medicine Physician providers in California

There are 17,133 family medicine physician records in California.

The 8 family medicine physician records with the nearest ZIP codes

  1. Annie Barseghian, MDPasadena, CA 911051134226855
  2. Gustavo Calleros, MDPasadena, CA 911051346358827
  3. Lorence Eshoe, MDPasadena, CA 911051487656807
  4. Bethesda Gee, M.D.Pasadena, CA 911051952378762
  5. Seema Hanamsagar, MDPasadena, CA 911051952387581
  6. Victor Luu, M.D.Pasadena, CA 911051437172970
  7. John Miguel, M.D.Pasadena, CA 911051851484661
  8. Renee Poole, MDPasadena, CA 911051821268434

Common questions

What is Jennifer Chronis, M.D.'s NPI number?

Jennifer Chronis, M.D.'s National Provider Identifier (NPI) is 1598297954, issued on Apr 3, 2017. An NPI identifies a provider in billing; it is not a license.

Where is Jennifer Chronis, M.D. located?

The NPPES record lists a practice address at 625 S Fair Oaks Ave, Pasadena, CA, 91105. Phone: (310) 423-4366. Providers update this record themselves, so call before visiting.

How can I verify Jennifer Chronis, M.D.'s license?

NPPES lists California license number A157629, as entered by the provider. Search the Medical Board of California at https://www.mbc.ca.gov/License-Verification/default.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Jennifer Chronis, M.D. prescribe under Medicare Part D?

In 2024, Jennifer Chronis, M.D. had 3,276 Medicare Part D claims for 400 beneficiaries; the average among family medicine physician prescribers was 3,544. 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.