Mark Richard Gruidl, NP
Nurse Practitioner · Templeton, CA
Mark Richard Gruidl, NP is a nurse practitioner with a practice address in Templeton, California, and NPI 1427045848, issued on Sep 30, 2005. Check the license (California NP8286, as entered in NPPES) with the California board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Mark Richard Gruidl
- Credential
- NP
- Primary taxonomy
- Nurse Practitioner 363L00000X
- License number
- NP8286 CA
Self-reported in NPPES; status is on the state search - Practice location
- 1020 Fava CT, Templeton, CA 93465
- Phone
- (805) 748-8897
- Enumerated
- Sep 30, 2005
- Record last updated
- Jan 4, 2012 (not updated in 14 years: call before relying on the address or phone)
- Fax
- (805) 434-0308
- Medicare enrollment
- Enrolled (PECOS I20040210000859); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest nurse practitioner records → All 8,223 in California → Look up another NPI →
Verify Mark Richard Gruidl in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this profession
Search for license NP8286Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
2.5 times the Medicare Part D claims of the average nurse practitioner in 2024
2,799 Medicare Part D claims for 154 beneficiaries, against an average of 1,109 among the 54,319 providers of this specialty who prescribed in Part D. 377 claims were for opioids.
Most prescribed
- Trazodone Hcl227 claims
- Citalopram Hbr202 claims
- Furosemide191 claims
- Oxycodone Hcl127 claims
- Potassium Chloride123 claims
- Hydrocodone-Acetaminophen119 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 MIPS final score for 2023 (Medicare payment program): 26.8 of 100
The Merit-based Incentive Payment System score is reported for this clinician. 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; category weights for 2023 (qpp.cms.gov).
Mark Richard Gruidl among 8,223 nurse practitioner records in California
Mark Richard Gruidl, NP is one of 8,223 nurse practitioner records with a practice address in California. 65% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2005, is newer than 0% of them.
- NPI issued2005 · 0% of these records are older, 98% newer
- In a Medicare fileYes · 65% of these records are
- In the CMS Doctors and Clinicians fileYes · 42% of these records are
- Graduated1994 · median 2017 among the 3,425 with a school on file
- Record last updated2012 · 45% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363L00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
4 nurse practitioner records list a practice address in Templeton
They are 4 of the 326 NPPES records with a practice address in Templeton, and 8,223 nurse practitioner records in California.
All 8,223 in California → Every provider in Templeton → Nurse Practitioner nationwide →
The 8 nurse practitioner records with the nearest ZIP codes
- Kristi Cottrell, NURSE PRACTITIONERTempleton, CA 934651942224001
- Virginia Latta, NP, RNTempleton, CA 934651083628002
- Mary Schaff, N.P.Templeton, CA 934651124355342
- Laura Dominguez, NPSanta Maria, CA 934581184196719
- Teresa Oneill, NPSanta Maria, CA 934581144887530
- Marie Angeli AguinaldoSanta Maria, CA 934551104649417
- Angela Misuraco, N.P.Santa Maria, CA 934551114901279
- Amanda Tuel, N.P.Santa Maria, CA 934551326411414
Common questions
What is Mark Richard Gruidl, NP's NPI number?
Mark Richard Gruidl, NP's National Provider Identifier (NPI) is 1427045848, issued on Sep 30, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Mark Richard Gruidl, NP located?
The NPPES record lists a practice address at 1020 Fava CT, Templeton, CA, 93465. Phone: (805) 748-8897. Providers update this record themselves, so call before visiting.
How can I verify Mark Richard Gruidl, NP's license?
NPPES lists California license number NP8286, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.
How much does Mark Richard Gruidl, NP prescribe under Medicare Part D?
In 2024, Mark Richard Gruidl, NP had 2,799 Medicare Part D claims for 154 beneficiaries; the average among nurse practitioner prescribers was 1,109. Part D covers Medicare prescriptions only.
What is Mark Richard Gruidl, NP's MIPS final score?
The 2023 MIPS final score is 26.8 of 100. 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.