Registry data as of Aug 27, 2026

Nabil Abudayeh, MD

Internal Medicine Physician · Castro Valley, CA

Nabil Abudayeh, MD is an internal medicine physician with a practice address in Castro Valley, California, and NPI 1699724484, issued on May 9, 2006. Check the license (California G059072, 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
1699724484
Name
Nabil Abudayeh
Credential
MD
Primary taxonomy
Internal Medicine Physician 207R00000X
License number
G059072 CA
Self-reported in NPPES; status is on the state search
Practice location
20700 Lake Chabot Road, Castro Valley, CA 94546
Phone
(510) 886-6878
Enumerated
May 9, 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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Verify Nabil Abudayeh in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license G059072
    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 →

2.3 times the Medicare Part D claims of the average internal medicine physician in 2024

6,534 Medicare Part D claims for 613 beneficiaries, against an average of 2,785 among the 127,794 providers of this specialty who prescribed in Part D. Brand-name drugs were 12% of claims.

  1. Nabil Abudayeh6,534
  2. Specialty average2,785

Most prescribed

  1. Atorvastatin Calcium697 claims
  2. Losartan Potassium411 claims
  3. Amlodipine Besylate358 claims
  4. Lisinopril237 claims
  5. Metoprolol Succinate234 claims
  6. Metoprolol Tartrate216 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.

No measured Medicare quality score for 2023

CMS assigned the neutral MIPS final score of 75 without scoring Quality, Cost, Promoting Interoperability or Improvement Activities. It is an administrative threshold, so PlainDoctor does not compare it with measured clinicians.

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

Industry payments in 2024: $966.59

43 payments, mostly food and beverage; the largest payer was Amgen Inc.. 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. Nabil Abudayeh$966.59
  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. Nabil K Abudayeh M D Professional CorporationCastro Valley, 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.

48 internal medicine physician records list a Castro Valley practice address

They are 48 of the 999 NPPES records with a Castro Valley 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 Nabil Abudayeh, MD's NPI number?

Nabil Abudayeh, MD's National Provider Identifier (NPI) is 1699724484, issued on May 9, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Nabil Abudayeh, MD located?

The NPPES record lists a practice address at 20700 Lake Chabot Road, Castro Valley, CA, 94546. Phone: (510) 886-6878. Providers update this record themselves, so call before visiting.

How can I verify Nabil Abudayeh, MD's license?

NPPES lists California license number G059072, 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 Nabil Abudayeh, MD prescribe under Medicare Part D?

In 2024, Nabil Abudayeh, MD had 6,534 Medicare Part D claims for 613 beneficiaries; the average among internal medicine physician prescribers was 2,785. Part D covers Medicare prescriptions only.

What is Nabil Abudayeh, MD's Medicare quality score?

CMS assigned the neutral MIPS final score of 75 for 2023 without scoring any category, so it is not a measured result.

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.