NPPES file of Aug 9, 2026

Ariel Ann Franks, M.D.

Family Medicine Physician · San Francisco, CA

Ariel Ann Franks, M.D. is a family medicine physician with a practice address in San Francisco, California, and NPI 1891140497, issued on May 2, 2016. Check the license (California 155039, 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 2023 and 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1891140497
Name
Ariel Ann Franks
Credential
M.D.
Primary taxonomy
Family Medicine Physician 207Q00000X
License number
155039 CA
Self-reported in NPPES; status is on the state search
Practice location
1001 Potrero Avenue, Bldg 80-83, San Francisco, CA 94110
Phone
(415) 206-5252
Enumerated
May 2, 2016
Record last updated
Oct 17, 2019 (not updated in 7 years: call before relying on the address or phone)
Medicare enrollment
Enrolled (PECOS I20191105002915); accepts Medicare assignment
Medical or professional school
Columbia University College Of Physicians And Surgeons, 2016
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 1001 Potrero Avenue, Bldg 80-83

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

  1. Tam Du, MDStudent in an Organized Health Care Education/Training Program1255181699
  2. Yuto Iwakuma, MDStudent in an Organized Health Care Education/Training Program1164225777
  3. Patricia Luzuriaga, MDStudent in an Organized Health Care Education/Training Program1871389221
  4. Varvara Zeldovich, MD, PHDFamily Medicine Physician1245763606

Verify Ariel Ann Franks in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license 155039
    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.

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89% fewer Medicare Part D claims than the average family medicine physician in 2024

390 Medicare Part D claims for 65 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. 15 claims were for opioids.

  1. Ariel Franks390
  2. Specialty average3,544

Most prescribed

  1. Pantoprazole Sodium33 claims
  2. Amlodipine Besylate29 claims
  3. Losartan Potassium20 claims
  4. Atorvastatin Calcium19 claims
  5. Metoprolol Succinate17 claims
  6. Pravastatin Sodium14 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.

The practice group's MIPS final score for 2023 (Medicare payment program): 91.9 of 100

The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.

  1. Qualityout of 100 · 30% of the final score83.5
  2. Costout of 100 · 30%68.0
  3. Promoting interoperabilityout of 100 · 25%100.0
  4. Improvement activities40 of 40 points · 15%100.0

Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).

Bills Medicare through 2 group practices

  1. LA Clinica DE LA Raza IncOakland, CA
  2. University OF California Sfgh Medical GroupSan Francisco, CA

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

Ariel Ann Franks among 17,133 family medicine physician records in California

Ariel Ann Franks, 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 2016, is newer than 76% of them.

  • NPI issued2016 · 76% of these records are older, 21% newer
  • In a Medicare fileYes · 81% of these records are
  • In the CMS Doctors and Clinicians fileYes · 62% of these records are
  • Graduated2016 · median 2005 among the 10,652 with a school on file
  • Record last updated2019 · 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. Joaquin Barahona, M. D.San Francisco, CA 941101205895133
  2. Luis Bonilla, MDSan Francisco, CA 941101629019708
  3. Christopher Bositis, MDSan Francisco, CA 941101427054493
  4. Romilda Foresti-Lorente, MDSan Francisco, CA 941101164455374
  5. Steven Lawton, MDSan Francisco, CA 941101366486748
  6. Todd May, MDSan Francisco, CA 941101679528335
  7. Pooja Mittal, DOSan Francisco, CA 941101215916200
  8. David Nidorf, MDSan Francisco, CA 941101336186121

Common questions

What is Ariel Ann Franks, M.D.'s NPI number?

Ariel Ann Franks, M.D.'s National Provider Identifier (NPI) is 1891140497, issued on May 2, 2016. An NPI identifies a provider in billing; it is not a license.

Where is Ariel Ann Franks, M.D. located?

The NPPES record lists a practice address at 1001 Potrero Avenue, Bldg 80-83, San Francisco, CA, 94110. Phone: (415) 206-5252. Providers update this record themselves, so call before visiting.

How can I verify Ariel Ann Franks, M.D.'s license?

NPPES lists California license number 155039, 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 Ariel Ann Franks, M.D. prescribe under Medicare Part D?

In 2024, Ariel Ann Franks, M.D. had 390 Medicare Part D claims for 65 beneficiaries; the average among family medicine physician prescribers was 3,544. Part D covers Medicare prescriptions only.

What is Ariel Ann Franks, M.D.'s MIPS final score?

The 2023 MIPS final score is 91.9 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.

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.