NPPES file of Aug 9, 2026

Kirsten Barnes, MD

Family Medicine Physician · Santa Cruz, CA

Kirsten Barnes, MD is a family medicine physician with a practice address in Santa Cruz, California, and NPI 1235796848, issued on May 20, 2019. Check the license (California A182818, 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 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1235796848
Name
Kirsten Barnes
Credential
MD
Primary taxonomy
Family Medicine Physician 207Q00000X
License number
A182818 CA
Self-reported in NPPES; status is on the state search
Practice location
1301 Mission St, Santa Cruz, CA 95060
Phone
(831) 458-6300
Enumerated
May 20, 2019
Record last updated
Nov 2, 2022
Medicare enrollment
Enrolled (PECOS I20221110000849); accepts Medicare assignment
Medical or professional school
University Of South Carolina School Of Medicine, Greenville, 2019
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 1301 Mission St

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

  1. Clay Christensen, PA-CPhysician Assistant1194456004
  2. Lindsay Croker, M.D.Family Medicine Physician1720321680
  3. Anya Curtis, FNPFamily Nurse Practitioner1598288557
  4. Nicholas Hanna, D.O.Family Medicine Physician1316386287
  5. Claire Helbig, MDInternal Medicine Physician1467667147
  6. Kyle Keene, D.O.Family Medicine Physician1164783049

Verify Kirsten Barnes in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license A182818
    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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22% fewer Medicare Part D claims than the average family medicine physician in 2024

2,782 Medicare Part D claims for 399 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. 37 claims were for opioids.

  1. Kirsten Barnes2,782
  2. Specialty average3,544

Most prescribed

  1. Atorvastatin Calcium199 claims
  2. Amlodipine Besylate144 claims
  3. Gabapentin128 claims
  4. Lisinopril115 claims
  5. Levothyroxine Sodium106 claims
  6. Losartan Potassium85 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.

Bills Medicare through one group practice

  1. Sutter Bay Medical FoundationSanta Cruz, CA

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

Kirsten Barnes among 17,133 family medicine physician records in California

Kirsten Barnes, MD 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 2019, is newer than 85% of them.

  • NPI issued2019 · 85% of these records are older, 12% newer
  • In a Medicare fileYes · 81% of these records are
  • In the CMS Doctors and Clinicians fileYes · 62% of these records are
  • Graduated2019 · median 2005 among the 10,652 with a school on file
  • Record last updated2022 · 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).

114 family medicine physician records list a practice address in Santa Cruz

They are 114 of the 5,138 NPPES records with a practice address in Santa Cruz, and 17,133 family medicine physician records in California.

The 8 family medicine physician records with the nearest ZIP codes

  1. Josee Belanger, MDSanta Cruz, CA 950601437261989
  2. Flavio Cornejo, DOSanta Cruz, CA 950601285734327
  3. Michael Coulson, MDSanta Cruz, CA 950601790869238
  4. Maria Greaves, M.D.Santa Cruz, CA 950601467484154
  5. Jennifer Hastings, M.D.Santa Cruz, CA 950601861505927
  6. Rose Marie Hendrix, DOSanta Cruz, CA 950601629078415
  7. Whay Jones, MDSanta Cruz, CA 950601952301020
  8. Miki Joy, M.D.Santa Cruz, CA 950601134122922

Common questions

What is Kirsten Barnes, MD's NPI number?

Kirsten Barnes, MD's National Provider Identifier (NPI) is 1235796848, issued on May 20, 2019. An NPI identifies a provider in billing; it is not a license.

Where is Kirsten Barnes, MD located?

The NPPES record lists a practice address at 1301 Mission St, Santa Cruz, CA, 95060. Phone: (831) 458-6300. Providers update this record themselves, so call before visiting.

How can I verify Kirsten Barnes, MD's license?

NPPES lists California license number A182818, 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 Kirsten Barnes, MD prescribe under Medicare Part D?

In 2024, Kirsten Barnes, MD had 2,782 Medicare Part D claims for 399 beneficiaries; the average among family medicine physician prescribers was 3,544. 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.