Michael Keith Mietz, PA
Medical Physician Assistant · Lakeport, CA
Michael Keith Mietz, PA is a medical physician assistant with a practice address in Lakeport, California, and NPI 1689944779, issued on Jan 5, 2012. Check the license (California PA52485, as entered in NPPES) with the California board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Michael Keith Mietz
- Credential
- PA
- Primary taxonomy
- Medical Physician Assistant 363AM0700X
- License numbers
- PA52485 CA
015421 NY
Self-reported in NPPES; status is on the state search - Practice location
- 925 Bevins Court, Lakeport, CA 95453
- Phone
- (707) 263-8383
- Enumerated
- Jan 5, 2012
- Record last updated
- Oct 31, 2024
- Fax
- (707) 263-5019
- Medicare enrollment
- Enrolled (PECOS I20150820011743); may accept Medicare assignment
- Entity
- Type 1 · individual
8 nearest medical physician assistant records → All 3,376 in California → Look up another NPI →
Also registered at 925 Bevins Court
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Michael Keith Mietz in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this profession
Search for license PA52485Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
4.3 times the Medicare Part D claims of the average medical physician assistant in 2024
4,988 Medicare Part D claims for 525 beneficiaries, against an average of 1,148 among the 23,801 providers of this specialty who prescribed in Part D. Brand-name drugs were 13% of claims. 55 claims were for opioids.
Most prescribed
- Atorvastatin Calcium332 claims
- Levothyroxine Sodium253 claims
- Lisinopril240 claims
- Amlodipine Besylate199 claims
- Losartan Potassium116 claims
- Eliquis106 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): 82.4 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.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Bills Medicare through one group practice
- Lake County Tribal Health Consortium IncLakeport, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Michael Keith Mietz among 3,376 medical physician assistant records in California
Michael Keith Mietz, PA is one of 3,376 medical physician assistant records with a practice address in California. 69% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2012, is newer than 51% of them.
- NPI issued2012 · 51% of these records are older, 46% newer
- In a Medicare fileYes · 69% of these records are
- In the CMS Doctors and Clinicians fileYes · 40% of these records are
- Graduated2011 · median 2012 among the 1,347 with a school on file
- Record last updated2024 · 54% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363AM0700X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
8 medical physician assistant records list a practice address in Lakeport
They are 8 of the 375 NPPES records with a practice address in Lakeport, and 3,376 medical physician assistant records in California.
All 3,376 in California → Every provider in Lakeport → Medical Physician Assistant nationwide →
The 8 medical physician assistant records with the nearest ZIP codes
- Mark Kane, PA-CLakeport, CA 954531740615558
- Karen Kennedy, PALakeport, CA 954531326118365
- Henry Knoop, RPA-CLakeport, CA 954531790912152
- Nichol Kriz, PA-CLakeport, CA 954531033321963
- Sheldon Sloan, PA-CLakeport, CA 954531285607259
- Amanda Smithers, PA-CLakeport, CA 954531184052003
- Erin Thurman, PALakeport, CA 954531053503144
- Joseph Geare, P.A.Lucerne, CA 954581649243437
Common questions
What is Michael Keith Mietz, PA's NPI number?
Michael Keith Mietz, PA's National Provider Identifier (NPI) is 1689944779, issued on Jan 5, 2012. An NPI identifies a provider in billing; it is not a license.
Where is Michael Keith Mietz, PA located?
The NPPES record lists a practice address at 925 Bevins Court, Lakeport, CA, 95453. Phone: (707) 263-8383. Providers update this record themselves, so call before visiting.
How can I verify Michael Keith Mietz, PA's license?
NPPES lists California license number PA52485, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.
How much does Michael Keith Mietz, PA prescribe under Medicare Part D?
In 2024, Michael Keith Mietz, PA had 4,988 Medicare Part D claims for 525 beneficiaries; the average among medical physician assistant prescribers was 1,148. Part D covers Medicare prescriptions only.
What is Michael Keith Mietz, PA's MIPS final score?
The 2023 MIPS final score is 82.4 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.