NPPES file of Aug 9, 2026

Darlene A. Zanker, M.D.

Family Medicine Physician · Capitola, CA

Darlene A. Zanker, M.D. is a family medicine physician with a practice address in Capitola, California, and NPI 1891802112, issued on Aug 23, 2006. Check the license (California A61432, 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 2023 and 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1891802112
Name
Darlene A. Zanker
Credential
M.D.
Primary taxonomy
Family Medicine Physician 207Q00000X
License number
A61432 CA
Self-reported in NPPES; status is on the state search
Practice location
528 Capitola Ave, Capitola, CA 95010
Phone
(831) 475-1630
Enumerated
Aug 23, 2006
Record last updated
Jul 9, 2007 (not updated in 19 years: call before relying on the address or phone)
Fax
(831) 475-1629
Medicaid ID
GR0028551 CA
Medicare enrollment
Enrolled (PECOS I20040303000789); accepts Medicare assignment
Medical or professional school
Clvlnd Clinic Lerner College Of Med Of Case Wstn Rsv University, 1995
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 528 Capitola Ave

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

  1. Andrew Antes, MDFamily Medicine Physician1982354510
  2. Robert Chen, M.D.Family Medicine Physician1003929720
  3. Gael Decleve, D.O.Family Medicine Physician1144233610
  4. Nancy Greenstreet, M.D.Family Medicine Physician1225040488
  5. Kevin Hasenauer, M.D.Family Medicine Physician1063526101
  6. Tooba Khan, MDFamily Medicine Physician1215565791

Verify Darlene A. Zanker in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license A61432
    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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30% more Medicare Part D claims than the average family medicine physician in 2024

4,610 Medicare Part D claims for 383 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. Brand-name drugs were 11% of claims. 221 claims were for opioids.

  1. Darlene Zanker4,610
  2. Specialty average3,544

Most prescribed

  1. Atorvastatin Calcium325 claims
  2. Amlodipine Besylate247 claims
  3. Levothyroxine Sodium168 claims
  4. Lisinopril168 claims
  5. Gabapentin137 claims
  6. Losartan Potassium134 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 MIPS final score for 2023 (Medicare payment program): 96.5 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 score80.3
  2. Costnot scored (reweighted)
  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).

Bills Medicare through one group practice

  1. Dignity Health Medical FoundationSanta Cruz, CA

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

Darlene A. Zanker among 17,133 family medicine physician records in California

Darlene A. Zanker, M.D. is one of 17,133 family medicine physician records with a practice address in California. 81% 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 6% of them.

  • NPI issued2006 · 6% of these records are older, 59% newer
  • In a Medicare fileYes · 81% of these records are
  • In the CMS Doctors and Clinicians fileYes · 62% of these records are
  • Graduated1995 · median 2005 among the 10,652 with a school on file
  • Record last updated2007 · 58% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207Q00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

12 family medicine physician records list a practice address in Capitola

They are 12 of the 389 NPPES records with a practice address in Capitola, and 17,133 family medicine physician records in California.

The 8 family medicine physician records with the nearest ZIP codes

  1. Andrew Antes, MDCapitola, CA 950101982354510
  2. Robert Chen, M.D.Capitola, CA 950101003929720
  3. Gael Decleve, D.O.Capitola, CA 950101144233610
  4. Nancy Greenstreet, M.D.Capitola, CA 950101225040488
  5. Kevin Hasenauer, M.D.Capitola, CA 950101063526101
  6. Tooba Khan, MDCapitola, CA 950101215565791
  7. Daisy Manuel-Arguelles, DOCapitola, CA 950101033173968
  8. James Riley, M.D.Capitola, CA 950101750484754

Common questions

What is Darlene A. Zanker, M.D.'s NPI number?

Darlene A. Zanker, M.D.'s National Provider Identifier (NPI) is 1891802112, issued on Aug 23, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Darlene A. Zanker, M.D. located?

The NPPES record lists a practice address at 528 Capitola Ave, Capitola, CA, 95010. Phone: (831) 475-1630. Providers update this record themselves, so call before visiting.

How can I verify Darlene A. Zanker, M.D.'s license?

NPPES lists California license number A61432, 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 Darlene A. Zanker, M.D. prescribe under Medicare Part D?

In 2024, Darlene A. Zanker, M.D. had 4,610 Medicare Part D claims for 383 beneficiaries; the average among family medicine physician prescribers was 3,544. Part D covers Medicare prescriptions only.

What is Darlene A. Zanker, M.D.'s MIPS final score?

The 2023 MIPS final score is 96.5 of 100. The average among 454,083 clinicians with a measured score was 83.5.

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.