Registry data as of Aug 27, 2026

Corina Clark-Derman, FNP

Registered Nurse · Albany, CA

Corina Clark-Derman, FNP is a registered nurse with a practice address in Albany, California, and NPI 1669734778, issued on Jun 14, 2012. Check the license (California 21609, as entered in NPPES) with the California board that licenses this profession; 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
1669734778
Name
Corina Clark-Derman
Credential
FNP
Primary taxonomy
Registered Nurse 163W00000X
License numbers
21609 CA
772499 CA
Self-reported in NPPES; status is on the state search
Practice location
500 San Pablo Ave, Albany, CA 94706
Phone
(510) 204-8130
Enumerated
Jun 14, 2012
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 500 San Pablo Ave

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

  1. Audrey Bialos, DOStudent in an Organized Health Care Education/Training Program1770044505
  2. Nina Birnbaum, M.D.Family Medicine Physician1063520690
  3. Pamela Blaufarb, NPFamily Nurse Practitioner1659558948
  4. Mary Bunzel, NPNurse Practitioner1164517850
  5. Evan Collier, M.D.Family Medicine Physician1386779510
  6. Sarah Gardner, PA-CPhysician Assistant1427523893

Verify Corina Clark-Derman in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich California board licenses this profession
    Search for license 21609
    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
Find 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 →

61% fewer Medicare Part D claims than the average registered nurse in 2024

419 Medicare Part D claims for 63 beneficiaries, against an average of 1,063 among the 17,151 providers of this specialty who prescribed in Part D. 12 claims were for opioids.

  1. Corina Clark-Derman419
  2. Specialty average1,063

Most prescribed

  1. Atorvastatin Calcium31 claims
  2. Levothyroxine Sodium19 claims
  3. Losartan Potassium18 claims
  4. Gabapentin17 claims
  5. Metformin Hcl12 claims
  6. Potassium Chloride11 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.

One hospital or facility affiliation

  1. Sutter Bay Medical FoundationOakland, 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.

Registered Nurse providers in California

There are 16,593 registered nurse records in California.

Other registered nurse records in California

  1. Patricia A Onyango, RNModesto, CA1780424473
  2. Adelaida A Zavala, RNOntario, CA1235702804
  3. Anu Aaltonen-Bond, RNRancho Cordova, CA1972895696
  4. Victoria AardappelChico, CA1396148698
  5. Denise Aaron, RNSan Diego, CA1497345268
  6. Tiffanne Aaronsen, FNPIndio, CA1568191807
  7. Bernadette Marie Abadilla, RNMillbrae, CA1154970697
  8. Brenda Abalos, RNNational City, CA1497064737
  9. Carla Abalos, RNUnion City, CA1669158523
  10. Caron Faustino Marti AbalosCerritos, CA1811603327

Common questions

What is Corina Clark-Derman, FNP's NPI number?

Corina Clark-Derman, FNP's National Provider Identifier (NPI) is 1669734778, issued on Jun 14, 2012. An NPI identifies a provider in billing; it is not a license.

Where is Corina Clark-Derman, FNP located?

The NPPES record lists a practice address at 500 San Pablo Ave, Albany, CA, 94706. Phone: (510) 204-8130. Providers update this record themselves, so call before visiting.

How can I verify Corina Clark-Derman, FNP's license?

NPPES lists California license number 21609, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.

How much does Corina Clark-Derman, FNP prescribe under Medicare Part D?

In 2024, Corina Clark-Derman, FNP had 419 Medicare Part D claims for 63 beneficiaries; the average among registered nurse prescribers was 1,063. Part D covers Medicare prescriptions only.

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.