NPPES file of Aug 9, 2026

Florence Van Mai Chau-Etchepare, MD

Internal Medicine Physician · Sacramento, CA

Florence Van Mai Chau-Etchepare, MD is an internal medicine physician with a practice address in Sacramento, California, and NPI 1558650721, issued on Mar 28, 2011. Check the license (California A122475, 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
1558650721
Name
Florence Van Mai Chau-Etchepare
Credential
MD
Primary taxonomy
Internal Medicine Physician 207R00000X
License number
A122475 CA
Self-reported in NPPES; status is on the state search
Practice location
4150 V St Ste 3400, Sacramento, CA 95817
Phone
(916) 734-3564
Enumerated
Mar 28, 2011
Record last updated
Apr 5, 2018 (not updated in 8 years: call before relying on the address or phone)
Medicare enrollment
Enrolled (PECOS I20140710000784); accepts Medicare assignment
Medical or professional school
Georgetown University School Of Medicine, 2011
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.
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Also registered at 4150 V St Ste 3400

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

  1. Timothy Albertson, MD, PHD, MPHCritical Care Medicine (Internal Medicine) Physician1184607236
  2. Katyayini Aribindi, M.D.Critical Care Medicine (Internal Medicine) Physician1902338122
  3. Paul Aronowitz, MDInternal Medicine Physician1023109063
  4. Simon Ascher, M.D., M.P.H.Hospitalist Physician1558604835
  5. Rinita ChakrapaniInternal Medicine Physician1134573561
  6. Kevin Chiu, MDInternal Medicine Physician1114616760

Verify Florence Van Mai Chau-Etchepare in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license A122475
    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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66% fewer Medicare Part D claims than the average internal medicine physician in 2024

1,069 Medicare Part D claims for 133 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 53% of claims.

  1. Florence Chau-Etchepare1,069
  2. Specialty average3,176

Most prescribed

  1. Azithromycin104 claims
  2. Montelukast Sodium89 claims
  3. Albuterol Sulfate Hfa87 claims
  4. Trikafta76 claims
  5. Spiriva Respimat51 claims
  6. Ventolin Hfa49 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 2 group practices

  1. Regents OF The Univ OF CASacramento, CA
  2. Regents OF The University OF CaliforniaFolsom, CA

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

Florence Van Mai Chau-Etchepare among 17,696 internal medicine physician records in California

Florence Van Mai Chau-Etchepare, 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 2011, is newer than 66% of them.

  • NPI issued2011 · 66% of these records are older, 32% newer
  • In a Medicare fileYes · 79% of these records are
  • In the CMS Doctors and Clinicians fileYes · 63% of these records are
  • Graduated2011 · median 2004 among the 11,065 with a school on file
  • Record last updated2018 · 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).

601 internal medicine physician records list a practice address in Sacramento

They are 601 of the 33,083 NPPES records with a practice address in Sacramento, and 17,696 internal medicine physician records in California.

The 8 internal medicine physician records with the nearest ZIP codes

  1. Nelson Chiang, M.D.Sacramento, CA 958171326021494
  2. Robert Derlet, MDSacramento, CA 958171902887433
  3. Lynne Do, M.D.Sacramento, CA 958171386627644
  4. Jason Ferries, M.D.Sacramento, CA 958171609859974
  5. Steven Griffen, M.D.Sacramento, CA 958171053393835
  6. Diane Haddock, M.D.Sacramento, CA 958171013991553
  7. Calvin Hirsch, MDSacramento, CA 958171073597332
  8. Hershan Johl, MDSacramento, CA 958171255314399

Common questions

What is Florence Van Mai Chau-Etchepare, MD's NPI number?

Florence Van Mai Chau-Etchepare, MD's National Provider Identifier (NPI) is 1558650721, issued on Mar 28, 2011. An NPI identifies a provider in billing; it is not a license.

Where is Florence Van Mai Chau-Etchepare, MD located?

The NPPES record lists a practice address at 4150 V St Ste 3400, Sacramento, CA, 95817. Phone: (916) 734-3564. Providers update this record themselves, so call before visiting.

How can I verify Florence Van Mai Chau-Etchepare, MD's license?

NPPES lists California license number A122475, 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 Florence Van Mai Chau-Etchepare, MD prescribe under Medicare Part D?

In 2024, Florence Van Mai Chau-Etchepare, MD had 1,069 Medicare Part D claims for 133 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.