Heather Marie Willis, MPAP, PA-C
Physician Assistant · San Luis Obispo, CA
Heather Marie Willis, MPAP, PA-C is a physician assistant with a practice address in San Luis Obispo, California, and NPI 1215284096, issued on Aug 10, 2012. Check the license (California PA21679, as entered in NPPES) with the California board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Heather Marie Willis
- Credential
- MPAP, PA-C
- Primary taxonomy
- Physician Assistant 363A00000X
- License number
- PA21679 CA
Self-reported in NPPES; status is on the state search - Practice location
- 84 Santa Rosa St, San Luis Obispo, CA 93405
- Phone
- (805) 591-4727
- Enumerated
- Aug 10, 2012
- Record last updated
- Jan 25, 2017 (not updated in 9 years: call before relying on the address or phone)
- Fax
- (805) 439-3394
- Medicare enrollment
- Enrolled (PECOS I20140103000830); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest physician assistant records → All 14,451 in California → Look up another NPI →
Also registered at 84 Santa Rosa St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Andrea Angelucci, D.O.Family Medicine Physician1851616106
- Suzanne Bakke, PA-CPhysician Assistant1861676553
- Paul Collins, M.D.Dermatology Physician1437361771
- Mandy Gailey, RDRegistered Dietitian1962706994
- Soquel Schafer, PA-CAdult Medicine Physician1215442991
- Leah Tanner, RDRenal Nutrition Registered Dietitian1104121680
Verify Heather Marie Willis in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this profession
Search for license PA21679Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
87% more Medicare Part D claims than the average physician assistant in 2024
1,551 Medicare Part D claims for 197 beneficiaries, against an average of 830 among the 101,058 providers of this specialty who prescribed in Part D. 57 claims were for opioids.
Most prescribed
- Levothyroxine Sodium124 claims
- Losartan Potassium68 claims
- Atorvastatin Calcium65 claims
- Lisinopril46 claims
- Amlodipine Besylate39 claims
- Synthroid32 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): 90.5 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).
Industry payments in 2024: $126.66
6 payments; by number, the most common kind was food and beverage; the largest payer was Bayer Healthcare Pharmaceuticals Inc. The 64,719 providers of this specialty with any payment received $841.65 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through one group practice
- Primary Care Partners - Slo PCSan Luis Obispo, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Heather Marie Willis among 14,451 physician assistant records in California
Heather Marie Willis, MPAP, 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 2012, is newer than 33% of them.
- NPI issued2012 · 33% of these records are older, 65% newer
- In a Medicare fileYes · 75% of these records are
- In the CMS Doctors and Clinicians fileYes · 50% of these records are
- Graduated2011 · median 2018 among the 7,214 with a school on file
- Record last updated2017 · 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).
58 physician assistant records list a practice address in San Luis Obispo
They are 58 of the 3,403 NPPES records with a practice address in San Luis Obispo, and 14,451 physician assistant records in California.
All 14,451 in California → Every provider in San Luis Obispo → Physician Assistant nationwide →
The 8 physician assistant records with the nearest ZIP codes
- Suzanne Bakke, PA-CSan Luis Obispo, CA 934051861676553
- Brittany Bell, PA-CSan Luis Obispo, CA 934051972047587
- Gary Cooper, P.A.San Luis Obispo, CA 934051598889735
- Jacqualine Dancy, PA-CSan Luis Obispo, CA 934051073558748
- Lisa Dimodica, PASan Luis Obispo, CA 934051669617015
- Benjamin Frimmer, MS, PA-CSan Luis Obispo, CA 934051104374883
- David Gingrich, PASan Luis Obispo, CA 934051134252653
- Tina Heck, PA-CSan Luis Obispo, CA 934051003048620
Common questions
What is Heather Marie Willis, MPAP, PA-C's NPI number?
Heather Marie Willis, MPAP, PA-C's National Provider Identifier (NPI) is 1215284096, issued on Aug 10, 2012. An NPI identifies a provider in billing; it is not a license.
Where is Heather Marie Willis, MPAP, PA-C located?
The NPPES record lists a practice address at 84 Santa Rosa St, San Luis Obispo, CA, 93405. Phone: (805) 591-4727. Providers update this record themselves, so call before visiting.
How can I verify Heather Marie Willis, MPAP, PA-C's license?
NPPES lists California license number PA21679, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.
How much does Heather Marie Willis, MPAP, PA-C prescribe under Medicare Part D?
In 2024, Heather Marie Willis, MPAP, PA-C had 1,551 Medicare Part D claims for 197 beneficiaries; the average among physician assistant prescribers was 830. Part D covers Medicare prescriptions only.
What is Heather Marie Willis, MPAP, PA-C's MIPS final score?
The 2023 MIPS final score is 90.5 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.