NPPES file of Aug 9, 2026

Kristen Marie Viera, PA-C

Surgical Physician Assistant · Atascadero, CA

Kristen Marie Viera, PA-C is a surgical physician assistant with a practice address in Atascadero, California, and NPI 1225566227, issued on Jun 2, 2017. Check the license 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 2023 and 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1225566227
Name
Kristen Marie Viera
Credential
PA-C
Primary taxonomy
Surgical Physician Assistant 363AS0400X
Practice location
6955 EL Camino Real Ste 101, Atascadero, CA 93422
Phone
(805) 539-2031
Enumerated
Jun 2, 2017
Record last updated
Feb 9, 2018 (not updated in 8 years: call before relying on the address or phone)
Fax
(805) 539-2032
Medicare enrollment
Enrolled (PECOS I20170817001987); accepts Medicare assignment
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 6955 EL Camino Real Ste 101

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

  1. Lymar Bik, M.D.Internal Medicine Physician1164530622
  2. Taylor HoldgraferPhysician Assistant1972037943

Verify Kristen Marie Viera in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich California board licenses this professionCheck 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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17.2 times the Medicare Part D claims of the average surgical physician assistant in 2024

5,224 Medicare Part D claims for 465 beneficiaries, against an average of 304 among the 10,174 providers of this specialty who prescribed in Part D. Brand-name drugs were 12% of claims. 105 claims were for opioids.

  1. Kristen Viera5,224
  2. Specialty average304

Most prescribed

  1. Atorvastatin Calcium351 claims
  2. Levothyroxine Sodium281 claims
  3. Amlodipine Besylate213 claims
  4. Lisinopril189 claims
  5. Losartan Potassium174 claims
  6. Rosuvastatin Calcium129 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 practice group's MIPS final score for 2023 (Medicare payment program): 83.6 of 100

The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. 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 score72.8
  2. Costout of 100 · 30%62.6
  3. Promoting interoperabilityout of 100 · 25%97.0
  4. Improvement activities40 of 40 points · 15%100.0

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

Bills Medicare through 2 group practices

  1. Adventist Health Physicians NetworkAtascadero, CA
  2. David B. HammerTempleton, CA

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

Surgical Physician Assistant providers in California

There are 1,075 surgical physician assistant records in California.

Other surgical physician assistant records in California

  1. Brooke Aber, P.A.Pleasant Hill, CA1790716074
  2. Brooke Abrantes, PA-CMountain View, CA1316771298
  3. Jory Adam, PA-CGreenbrae, CA1922269521
  4. Zulhumar Adil, PA-CFullerton, CA1578328043
  5. Neil Adler, PASan Jose, CA1447223276
  6. Lauren Aguilar, PAFresno, CA1518822022
  7. Maria Eugenia Aguilar H., PACMonterrey Park, CA1427276799
  8. Dzevahira Ahmetspahic, PA-CSan Leandro, CA1578601613
  9. James Aicardi, PA-CSan Francisco, CA1528557568
  10. Songolaye Akinloye, P.A.Los Angeles, CA1487781043

Common questions

What is Kristen Marie Viera, PA-C's NPI number?

Kristen Marie Viera, PA-C's National Provider Identifier (NPI) is 1225566227, issued on Jun 2, 2017. An NPI identifies a provider in billing; it is not a license.

Where is Kristen Marie Viera, PA-C located?

The NPPES record lists a practice address at 6955 EL Camino Real Ste 101, Atascadero, CA, 93422. Phone: (805) 539-2031. Providers update this record themselves, so call before visiting.

How can I verify Kristen Marie Viera, PA-C's license?

Search the California board that licenses this profession; the NPPES record confirms identity only.

How much does Kristen Marie Viera, PA-C prescribe under Medicare Part D?

In 2024, Kristen Marie Viera, PA-C had 5,224 Medicare Part D claims for 465 beneficiaries; the average among surgical physician assistant prescribers was 304. Part D covers Medicare prescriptions only.

What is Kristen Marie Viera, PA-C's MIPS final score?

The 2023 MIPS final score is 83.6 of 100, reported for the practice group. 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.