NPPES file of Aug 9, 2026

Tracy Y. Jonelis, MD

Nephrology Physician · San Francisco, CA

Tracy Y. Jonelis, MD is a nephrology physician with a practice address in San Francisco, California, and NPI 1942372776, issued on Nov 15, 2006. Check the license (California A72460, 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
1942372776
Name
Tracy Y. Jonelis
Credential
MD
Primary taxonomy
Nephrology Physician 207RN0300X
License number
A72460 CA
Self-reported in NPPES; status is on the state search
Practice location
2200 Ofarrell St, San Francisco, CA 94115
Phone
(415) 833-2000
Enumerated
Nov 15, 2006
Record last updated
Jan 10, 2022
Medicaid ID
00A724600 CA
Medicare enrollment
Enrolled (PECOS I20101202001222); 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 2200 Ofarrell St

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

  1. Luba Abascal, MDInternal Medicine Physician1023180874
  2. Mitchell Adachi, MDAnatomic Pathology Physician1720166366
  3. Lesley Aiken, MDInternal Medicine Physician1629156120
  4. Jonathan Alexander, MDHospitalist Physician1811075450
  5. Gabull Alhadhrami, NPAcute Care Nurse Practitioner1427124098
  6. Bryan Andrews, MDAnesthesiology Physician1609954239

Verify Tracy Y. Jonelis in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license A72460
    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

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35% fewer Medicare Part D claims than the average nephrology physician in 2024

954 Medicare Part D claims for 141 beneficiaries, against an average of 1,465 among the 10,986 providers of this specialty who prescribed in Part D.

  1. Tracy Jonelis954
  2. Specialty average1,465

Most prescribed

  1. Amlodipine Besylate74 claims
  2. Losartan Potassium72 claims
  3. Atorvastatin Calcium70 claims
  4. Allopurinol49 claims
  5. Carvedilol40 claims
  6. Tamsulosin Hcl37 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 one group practice

  1. Permanente Medical Group IncSan Francisco, CA

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

Tracy Y. Jonelis among 1,468 nephrology physician records in California

Tracy Y. Jonelis, MD is one of 1,468 nephrology physician records with a practice address in California. 88% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 10% of them.

  • NPI issued2006 · 10% of these records are older, 48% newer
  • In a Medicare fileYes · 88% of these records are
  • In the CMS Doctors and Clinicians fileYes · 77% of these records are
  • Graduated1986 · median 2001 among the 1,128 with a school on file
  • Record last updated2022 · 62% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RN0300X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Nephrology Physician providers in California

There are 1,468 nephrology physician records in California.

The 8 nephrology physician records with the nearest ZIP codes

  1. Jamshid Amanzadeh, MDSan Francisco, CA 941151629170428
  2. Joshua Bernstein, M.D.San Francisco, CA 941151457317729
  3. Michael Borah, MDSan Francisco, CA 941151144395435
  4. Alan Coleman, M.D.San Francisco, CA 941151013089580
  5. Mark Kasselik, MDSan Francisco, CA 941151891860193
  6. Sepehr Keyhani, MDSan Francisco, CA 941151952713570
  7. Manjula Kurella, MD, MPHSan Francisco, CA 941151720032972
  8. Jonathan Lieberman, MDSan Francisco, CA 941151174601728

Common questions

What is Tracy Y. Jonelis, MD's NPI number?

Tracy Y. Jonelis, MD's National Provider Identifier (NPI) is 1942372776, issued on Nov 15, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Tracy Y. Jonelis, MD located?

The NPPES record lists a practice address at 2200 Ofarrell St, San Francisco, CA, 94115. Phone: (415) 833-2000. Providers update this record themselves, so call before visiting.

How can I verify Tracy Y. Jonelis, MD's license?

NPPES lists California license number A72460, 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 Tracy Y. Jonelis, MD prescribe under Medicare Part D?

In 2024, Tracy Y. Jonelis, MD had 954 Medicare Part D claims for 141 beneficiaries; the average among nephrology physician prescribers was 1,465. 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.