NPPES file of Aug 9, 2026

Kristen Michelle Mueller, MPH, PA-C

Physician Assistant · Vallejo, CA

Kristen Michelle Mueller, MPH, PA-C is a physician assistant with a practice address in Vallejo, California, and NPI 1780250928, issued on May 28, 2021. Check the license (California 63504, 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 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1780250928
Name
Kristen Michelle Mueller
Credential
MPH, PA-C
Primary taxonomy
Physician Assistant 363A00000X
License number
63504 CA
Self-reported in NPPES; status is on the state search
Practice location
415 Georgia St, Vallejo, CA 94590
Phone
(651) 491-7165
Enumerated
May 28, 2021
Record last updated
May 9, 2025
Medicare enrollment
Enrolled (PECOS I20250423000063); accepts Medicare assignment
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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8 nearest physician assistant records → All 14,451 in California → Look up another NPI →

Also registered at 415 Georgia St

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

  1. Melissa Belec, DO, MPHDiabetology (Family Medicine) Physician1205326436
  2. Zoe Cappe, M.DFamily Medicine Physician1326421108
  3. Katrina CoPhysician Assistant1942049614
  4. Gerald DowningGeneral Practice Dentistry1386500098
  5. Charito Feddersen, APRNFamily Nurse Practitioner1992468409
  6. Andres Gonzalez, DDSGeneral Practice Dentistry1437871985

Verify Kristen Michelle Mueller 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 63504    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.

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Bills Medicare through one group practice

  1. LA Clinica DE LA Raza IncVallejo, CA

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

Kristen Michelle Mueller among 14,451 physician assistant records in California

Kristen Michelle Mueller, MPH, PA-C is one of 14,451 physician assistant records with a practice address in California. 75% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2021, is newer than 67% of them.

  • NPI issued2021 · 67% of these records are older, 27% newer
  • In a Medicare fileYes · 75% of these records are
  • In the CMS Doctors and Clinicians fileYes · 50% of these records are
  • Graduated2023 · median 2018 among the 7,214 with a school on file
  • Record last updated2025 · 40% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363A00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

215 physician assistant records list a practice address in Vallejo

They are 215 of the 2,836 NPPES records with a practice address in Vallejo, and 14,451 physician assistant records in California.

All 14,451 in California → Every provider in Vallejo → Physician Assistant nationwide →

The 8 physician assistant records with the nearest ZIP codes

  1. Gabriel Bascara, PA-CVallejo, CA 945901467294934
  2. Katrina CoVallejo, CA 945901942049614
  3. Chanel Coleman, PA-CVallejo, CA 945901972469468
  4. Mereb Habtetsion, PA-CVallejo, CA 945901285184242
  5. Virginia Hens-Piazza, P.A.Vallejo, CA 945901003121260
  6. Connor Labella, PA-CVallejo, CA 945901033995774
  7. Chigozie MaduchukwuVallejo, CA 945901235917832
  8. Alexandria RidlingVallejo, CA 945901255925202

Common questions

What is Kristen Michelle Mueller, MPH, PA-C's NPI number?

Kristen Michelle Mueller, MPH, PA-C's National Provider Identifier (NPI) is 1780250928, issued on May 28, 2021. An NPI identifies a provider in billing; it is not a license.

Where is Kristen Michelle Mueller, MPH, PA-C located?

The NPPES record lists a practice address at 415 Georgia St, Vallejo, CA, 94590. Phone: (651) 491-7165. Providers update this record themselves, so call before visiting.

How can I verify Kristen Michelle Mueller, MPH, PA-C's license?

NPPES lists California license number 63504, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity 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.

Written with AI tools from the named public files; every figure is computed from those files (how it is made).

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.