NPPES file of Aug 9, 2026

Michelle M. Chang-Cheng, MD

Internal Medicine Physician · Davis, CA

Michelle M. Chang-Cheng, MD is an internal medicine physician with a practice address in Davis, California, and NPI 1689746406, issued on Nov 15, 2006. Check the license (California A54715, 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
1689746406
Name
Michelle M. Chang-Cheng
Credential
MD
Primary taxonomy
Internal Medicine Physician 207R00000X
License number
A54715 CA
Self-reported in NPPES; status is on the state search
Practice location
1955 Cowell Blvd, Davis, CA 95618
Phone
(530) 757-7100
Enumerated
Nov 15, 2006
Record last updated
Jan 10, 2022
Medicare enrollment
Enrolled (PECOS I20110208000601); 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 1955 Cowell Blvd

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

  1. Mahfuja Akanda, MDInternal Medicine Physician1528118346
  2. Michelle Apple, MDObstetrics & Gynecology Physician1629498241
  3. Suzanne Bier, MDObstetrics & Gynecology Physician1033238605
  4. James Buck, RPHPharmacist1376077628
  5. Allison Buss, MDPediatrics Physician1699119032
  6. William Collins, D.O.Sports Medicine (Family Medicine) Physician1417361973

Verify Michelle M. Chang-Cheng in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license A54715
    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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31% more Medicare Part D claims than the average internal medicine physician in 2024

4,175 Medicare Part D claims for 422 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 9% of claims. 209 claims were for opioids.

  1. Michelle Chang-Cheng4,175
  2. Specialty average3,176

Most prescribed

  1. Atorvastatin Calcium254 claims
  2. Levothyroxine Sodium223 claims
  3. Fluticasone Propionate182 claims
  4. Amlodipine Besylate177 claims
  5. Atenolol137 claims
  6. Losartan Potassium133 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: $152.86

1 payment: food and beverage; the largest payer was Genzyme Corporation. The 50,334 providers of this specialty with any payment received $1,303.06 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Michelle Chang-Cheng$152.86
  2. Specialty average$1,303.06

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. Permanente Medical Group IncDavis, CA

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

Michelle M. Chang-Cheng among 17,696 internal medicine physician records in California

Michelle M. Chang-Cheng, MD is one of 17,696 internal medicine physician records with a practice address in California. 79% 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 5% of them.

  • NPI issued2006 · 5% of these records are older, 56% newer
  • In a Medicare fileYes · 79% of these records are
  • In the CMS Doctors and Clinicians fileYes · 63% of these records are
  • Graduated1994 · median 2004 among the 11,065 with a school on file
  • Record last updated2022 · 61% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

33 internal medicine physician records list a practice address in Davis

They are 33 of the 1,711 NPPES records with a practice address in Davis, and 17,696 internal medicine physician records in California.

The 8 internal medicine physician records with the nearest ZIP codes

  1. Mahfuja Akanda, MDDavis, CA 956181528118346
  2. Diane Dailey, MDDavis, CA 956181689753725
  3. Catherine Dycaico, M.D.Davis, CA 956181578749396
  4. Mark Ho, MDDavis, CA 956181275611964
  5. Prabhu Shankar, MD, MSEl Macero, CA 956181629928858
  6. Jeanine Ellinwood, M.DDiamond Springs, CA 956191790782902
  7. Elisabeth AbdinDavis, CA 956161124391941
  8. Ramnik Bhogal, MDDavis, CA 956161326627589

Common questions

What is Michelle M. Chang-Cheng, MD's NPI number?

Michelle M. Chang-Cheng, MD's National Provider Identifier (NPI) is 1689746406, issued on Nov 15, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Michelle M. Chang-Cheng, MD located?

The NPPES record lists a practice address at 1955 Cowell Blvd, Davis, CA, 95618. Phone: (530) 757-7100. Providers update this record themselves, so call before visiting.

How can I verify Michelle M. Chang-Cheng, MD's license?

NPPES lists California license number A54715, 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 Michelle M. Chang-Cheng, MD prescribe under Medicare Part D?

In 2024, Michelle M. Chang-Cheng, MD had 4,175 Medicare Part D claims for 422 beneficiaries; the average among internal medicine physician prescribers was 3,176. 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.