NPPES file of Aug 9, 2026

Mara Clark Yolken, ANP

Adult Health Nurse Practitioner · Bishop, CA

Mara Clark Yolken, ANP is an adult health nurse practitioner with a practice address in Bishop, California, and NPI 1972724003, issued on May 2, 2007. Check the license (California 11089, 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, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1972724003
Name
Mara Clark Yolken
Credential
ANP
Primary taxonomy
Adult Health Nurse Practitioner 363LA2200X
License number
11089 CA
Self-reported in NPPES; status is on the state search
Practice location
153 Pioneer LN # B, Bishop, CA 93514
Phone
(760) 873-2849
Enumerated
May 2, 2007
Record last updated
Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
Fax
(760) 873-2836
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 Mara Clark Yolken 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 11089
    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
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74% fewer Medicare Part D claims than the average adult health nurse practitioner in 2024

328 Medicare Part D claims for 58 beneficiaries, against an average of 1,280 among the 16,937 providers of this specialty who prescribed in Part D. Brand-name drugs were 6% of claims.

  1. Mara Yolken328
  2. Specialty average1,280

Most prescribed

  1. Levothyroxine Sodium30 claims
  2. Amlodipine Besylate24 claims
  3. Losartan Potassium23 claims
  4. Tamsulosin Hcl22 claims
  5. Hydrochlorothiazide21 claims
  6. Lisinopril17 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.

Mara Clark Yolken among 1,405 adult health nurse practitioner records in California

Mara Clark Yolken, ANP is one of 1,405 adult health nurse practitioner records with a practice address in California. 56% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2007, is newer than 18% of them.

  • NPI issued2007 · 18% of these records are older, 70% newer
  • In a Medicare fileYes · 56% of these records are
  • In the CMS Doctors and Clinicians fileNo · 31% of these records are
  • Record last updated2007 · 62% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363LA2200X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Adult Health Nurse Practitioner providers in California

There are 1,405 adult health nurse practitioner records in California.

The 8 adult health nurse practitioner records with the nearest ZIP codes

  1. Donna Hilber, N.P.Lancaster, CA 935341093032740
  2. Ayesha Ogle, NPLancaster, CA 935351578706404
  3. Samantha Ruiz, AGPCNP-CPalmdale, CA 935521942122841
  4. Sarah Carroll, NPTehachapi, CA 935611346798766
  5. Janice Polletta, NPTehachapi, CA 935611295796100
  6. Anne Wheeler, R.N., M.S.N, FNPTempleton, CA 934651689879801
  7. Francis Antigua, NPSanta Maria, CA 934541346777695
  8. Tiffany Quinn, AGPCNPSanta Maria, CA 934541447096185

Common questions

What is Mara Clark Yolken, ANP's NPI number?

Mara Clark Yolken, ANP's National Provider Identifier (NPI) is 1972724003, issued on May 2, 2007. An NPI identifies a provider in billing; it is not a license.

Where is Mara Clark Yolken, ANP located?

The NPPES record lists a practice address at 153 Pioneer LN # B, Bishop, CA, 93514. Phone: (760) 873-2849. Providers update this record themselves, so call before visiting.

How can I verify Mara Clark Yolken, ANP's license?

NPPES lists California license number 11089, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.

How much does Mara Clark Yolken, ANP prescribe under Medicare Part D?

In 2024, Mara Clark Yolken, ANP had 328 Medicare Part D claims for 58 beneficiaries; the average among adult health nurse practitioner prescribers was 1,280. 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.