NPPES file of Aug 9, 2026

Celeste Sharon Chang, MD, FACP

Nephrology Physician · San Francisco, CA

Celeste Sharon Chang, MD, FACP is a nephrology physician with a practice address in San Francisco, California, and NPI 1245633825, issued on Sep 26, 2014. Check the license (California C1802850, 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
1245633825
Name
Celeste Sharon Chang
Credential
MD, FACP
Primary taxonomy
Nephrology Physician 207RN0300X
License numbers
C1802850 CA
228743 NY
Self-reported in NPPES; status is on the state search
Practice location
728 Pacific Ave, San Francisco, CA 94133
Phone
(415) 391-9686
Enumerated
Sep 26, 2014
Record last updated
Jan 21, 2026
Fax
(415) 240-4352
Medicare enrollment
Enrolled (PECOS I20180907002749); 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.
Download card Updates feed

Also registered at 728 Pacific Ave

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

  1. Edward Chan, M.D.Hematology & Oncology Physician1033155213
  2. Kenneth Chang, MDInternal Medicine Physician1609832724
  3. Jennifer Chin, MS, OTR/LOccupational Therapist1174112312
  4. Robert Choy, DPMPodiatrist1831148618
  5. Paul Chu, M.D.Family Medicine Physician1215965355
  6. William Chung, M.D.Cardiovascular Disease Physician1831204486

Verify Celeste Sharon Chang in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license C1802850
    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.

92% fewer Medicare Part D claims than the average nephrology physician in 2024

117 Medicare Part D claims for 54 beneficiaries, against an average of 1,465 among the 10,986 providers of this specialty who prescribed in Part D. Brand-name drugs were 50% of claims.

  1. Celeste Chang117
  2. Specialty average1,465

Most prescribed

  1. Prosol20 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: $19.33

1 payment: food and beverage; the largest payer was Sumitomo Pharma America, Inc. The 8,230 providers of this specialty with any payment received $3,091.37 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Celeste Chang$19.33
  2. Specialty average$3,091.37

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. North East Medical ServicesSan Francisco, CA

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

Celeste Sharon Chang among 1,468 nephrology physician records in California

Celeste Sharon Chang, MD, FACP 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 2014, is newer than 85% of them.

  • NPI issued2014 · 85% of these records are older, 13% newer
  • In a Medicare fileYes · 88% of these records are
  • In the CMS Doctors and Clinicians fileYes · 77% of these records are
  • Graduated1993 · median 2001 among the 1,128 with a school on file
  • Record last updated2026 · 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. Fred Lui, M.D.San Francisco, CA 941331265461644
  2. Darryl Raszl, M.D.San Francisco, CA 941271619098845
  3. Amarpali Brar, M.DSan Francisco, CA 941431104001718
  4. Teresa Chen, M.D.San Francisco, CA 941431336352558
  5. Kerry Cho, M.D.San Francisco, CA 941431861434318
  6. Cynthia Delgado, M.D.San Francisco, CA 941431821289323
  7. Denis Glenn, MDSan Francisco, CA 941431053492199
  8. Chi-Yuan Hsu, MDSan Francisco, CA 941431578528295

Common questions

What is Celeste Sharon Chang, MD, FACP's NPI number?

Celeste Sharon Chang, MD, FACP's National Provider Identifier (NPI) is 1245633825, issued on Sep 26, 2014. An NPI identifies a provider in billing; it is not a license.

Where is Celeste Sharon Chang, MD, FACP located?

The NPPES record lists a practice address at 728 Pacific Ave, San Francisco, CA, 94133. Phone: (415) 391-9686. Providers update this record themselves, so call before visiting.

How can I verify Celeste Sharon Chang, MD, FACP's license?

NPPES lists California license number C1802850, 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 Celeste Sharon Chang, MD, FACP prescribe under Medicare Part D?

In 2024, Celeste Sharon Chang, MD, FACP had 117 Medicare Part D claims for 54 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.