Registry data as of Aug 27, 2026

Anthony Bernens, MD

Internal Medicine Physician · Walnut Creek, CA

Anthony Bernens, MD is an internal medicine physician with a practice address in Walnut Creek, California, and NPI 1215983440, issued on May 26, 2006. Check the license (California A55164, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.

Record from CMS NPPES, loaded Aug 27, 2026 · Medicare files 2023 and 2024 · method · Verify with CMS →

NPPES recordas of Aug 27, 2026
1215983440
Name
Anthony Bernens
Credential
MD
Primary taxonomy
Internal Medicine Physician 207R00000X
License number
A55164 CA
Self-reported in NPPES; status is on the state search
Practice location
2637 Shadelands Dr, Walnut Creek, CA 94598
Phone
(925) 952-5545
Enumerated
May 26, 2006
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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Also registered at 2637 Shadelands Dr

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

  1. Anita Anand, NPFamily Nurse Practitioner1023993102
  2. Stacyann Andaya, NPFamily Nurse Practitioner1649893660
  3. Audrey Arzamendi, M.D.Endocrinology, Diabetes & Metabolism Physician1508159567
  4. Jennifer Chan, M.D.Surgery Physician1265634687
  5. Heidi Chang, MDObstetrics & Gynecology Physician1649681982
  6. Katherine Chang, NPNurse Practitioner1679357248

Verify Anthony Bernens in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license A55164
    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.

Statewide context: the Medical Board of California reported 374 disciplinary actions in FY 2022-23. California discipline data →

95% more Medicare Part D claims than the average internal medicine physician in 2024

5,442 Medicare Part D claims for 258 beneficiaries, against an average of 2,785 among the 127,794 providers of this specialty who prescribed in Part D. Brand-name drugs were 11% of claims. 104 claims were for opioids.

  1. Anthony Bernens5,442
  2. Specialty average2,785

Most prescribed

  1. Rosuvastatin Calcium230 claims
  2. Pantoprazole Sodium213 claims
  3. Levothyroxine Sodium203 claims
  4. Atorvastatin Calcium202 claims
  5. Amlodipine Besylate189 claims
  6. Losartan Potassium147 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.

The Medicare quality score for 2023: 100 of 100

The Merit-based Incentive Payment System score is reported for this clinician. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.

  1. Qualityout of 100 · 30% of the final score90.4
  2. Costout of 100 · 30%
  3. Promoting interoperabilityout of 100 · 25%100.0
  4. Improvement activities40 of 40 points · 15%100.0

Source: CMS Quality Payment Program, MIPS performance year 2023; category weights for 2023 (qpp.cms.gov).

Industry payments in 2024: $379.81

16 payments, mostly food and beverage; the largest payer was GlaxoSmithKline, LLC.. The 65,274 providers of this specialty with any payment received $2,536.66 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Anthony Bernens$379.81
  2. Specialty average$2,536.66

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

One hospital or facility affiliation

  1. Bass Medical GroupAlamo, CA

Source: CMS Doctors and Clinicians affiliations; Hospital General Information (Care Compare) (data.cms.gov). Star ratings are CMS hospital ratings, not ratings of this provider.

212 internal medicine physician records list a Walnut Creek practice address

They are 212 of the 6,170 NPPES records with a Walnut Creek practice address, and 20,403 internal medicine physician records in California.

Other internal medicine physician records in California

  1. Jacob Aaron, MDSan Francisco, CA1407202518
  2. Alistair Aaronson, MDStanford, CA1457628760
  3. Jose Abad., MDSacramento, CA1144607219
  4. Donna Abare, MDOakland, CA1386722155
  5. Marce AbareScotts Valley, CA1457744708
  6. Samuel Abarte, M.D.Chula Vista, CA1578535498
  7. Alexander Abary, MDLong Beach, CA1104995919
  8. Luba Abascal, MDSan Francisco, CA1023180874
  9. Michael Abate, MDSacramento, CA1548248131
  10. Wali Abawi, D.O.Joshua Tree, CA1104362268

Common questions

What is Anthony Bernens, MD's NPI number?

Anthony Bernens, MD's National Provider Identifier (NPI) is 1215983440, issued on May 26, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Anthony Bernens, MD located?

The NPPES record lists a practice address at 2637 Shadelands Dr, Walnut Creek, CA, 94598. Phone: (925) 952-5545. Providers update this record themselves, so call before visiting.

How can I verify Anthony Bernens, MD's license?

NPPES lists California license number A55164, 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 Anthony Bernens, MD prescribe under Medicare Part D?

In 2024, Anthony Bernens, MD had 5,442 Medicare Part D claims for 258 beneficiaries; the average among internal medicine physician prescribers was 2,785. Part D covers Medicare prescriptions only.

What is Anthony Bernens, MD's Medicare quality score?

The 2023 MIPS final score is 100 of 100. The average among 454,083 clinicians with a measured score was 83.5.

Source: CMS National Plan and Provider Enumeration System (NPPES), loaded Aug 27, 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.

Every figure on PlainDoctor is rendered directly from the federal CMS NPPES registry, Medicare Part D, MIPS, and Open Payments records, no number is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 27, 2026.