NPPES file of Aug 9, 2026

Anca E. Knoepfler, M.D.

Internal Medicine Physician · Davis, CA

Anca E. Knoepfler, M.D. is an internal medicine physician with a practice address in Davis, California, and NPI 1912961426, issued on Apr 12, 2006. Check the license (California A60289, 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
1912961426
Name
Anca E. Knoepfler
Credential
M.D.
Primary taxonomy
Internal Medicine Physician 207R00000X
License numbers
A60289 CA
36057 WA
Self-reported in NPPES; status is on the state search
Practice location
2660 W Covell Blvd, Davis, CA 95616
Phone
(530) 747-3000
Enumerated
Apr 12, 2006
Record last updated
Aug 25, 2011 (not updated in 15 years: call before relying on the address or phone)
Medicare enrollment
Enrolled (PECOS I20061208000552); accepts Medicare assignment
Medical or professional school
University Of California, San Diego School Of Medicine, 1994
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 2660 W Covell Blvd

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

  1. Thomas Alan, M.D.Internal Medicine Physician1235115635
  2. Jonathan Chiang, DOFamily Medicine Physician1497117071
  3. Anmol Chohan, M.DInternal Medicine Physician1386917177
  4. Karen Chung, MDFamily Medicine Physician1699100560
  5. Jacob Dima, D.O.Family Medicine Physician1205152295
  6. Heidi Henchell, DOFamily Medicine Physician1598860959

Verify Anca E. Knoepfler in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license A60289
    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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87% fewer Medicare Part D claims than the average internal medicine physician in 2024

419 Medicare Part D claims for 34 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D.

  1. Anca Knoepfler419
  2. Specialty average3,176

Most prescribed

  1. Rosuvastatin Calcium38 claims
  2. Levothyroxine Sodium26 claims
  3. Amlodipine Besylate24 claims
  4. Losartan Potassium24 claims
  5. Atorvastatin Calcium23 claims
  6. Fluticasone Propionate22 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. Regents OF The University OF CaliforniaSacramento, CA

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

Anca E. Knoepfler among 17,696 internal medicine physician records in California

Anca E. Knoepfler, M.D. 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 updated2011 · 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. Thomas Alan, M.D.Davis, CA 956161235115635
  2. Allison Alcalay, M.D.Davis, CA 956161457334716
  3. Richard Blohm, M.D.Davis, CA 956161821185802
  4. David Dasilva, M.D.Davis, CA 956161316967938
  5. Peter Droubay, MDDavis, CA 956161699886200
  6. David Dycaico, MDDavis, CA 956161033297734
  7. Michelle Famula, M.D.Davis, CA 956161730256843
  8. Dermet Fong, MDDavis, CA 956161821169012

Common questions

What is Anca E. Knoepfler, M.D.'s NPI number?

Anca E. Knoepfler, M.D.'s National Provider Identifier (NPI) is 1912961426, issued on Apr 12, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Anca E. Knoepfler, M.D. located?

The NPPES record lists a practice address at 2660 W Covell Blvd, Davis, CA, 95616. Phone: (530) 747-3000. Providers update this record themselves, so call before visiting.

How can I verify Anca E. Knoepfler, M.D.'s license?

NPPES lists California license number A60289, 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 Anca E. Knoepfler, M.D. prescribe under Medicare Part D?

In 2024, Anca E. Knoepfler, M.D. had 419 Medicare Part D claims for 34 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.