Ashley Nicole Schnell, PA-C
Physician Assistant · Stanford, CA
Ashley Nicole Schnell, PA-C is a physician assistant with a practice address in Stanford, California, and NPI 1720384837, issued on Feb 7, 2011. Check the license (California 53112, as entered in NPPES) with the California board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Ashley Nicole Schnell
- Credential
- PA-C
- Primary taxonomy
- Physician Assistant 363A00000X
- License numbers
- 53112 CA
2011001606 MO
Self-reported in NPPES; status is on the state search - Practice location
- 300 Pasteur Dr, Stanford, CA 94305
- Phone
- (650) 723-4000
- Enumerated
- Feb 7, 2011
- Record last updated
- Dec 23, 2025
- Medicare enrollment
- Enrolled (PECOS I20160414001342); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest physician assistant records → All 14,451 in California → Look up another NPI →
Also registered at 300 Pasteur Dr
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Ashley Nicole Schnell in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this profession
Search for license 53112Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
About as many Medicare Part D claims as the average physician assistant in 2024
832 Medicare Part D claims for 329 beneficiaries, against an average of 830 among the 101,058 providers of this specialty who prescribed in Part D. Brand-name drugs were 3% of claims. 154 claims were for opioids.
Most prescribed
- Amoxicillin254 claims
- Celecoxib120 claims
- Oxycodone Hcl102 claims
- Clindamycin Hcl55 claims
- Diclofenac Sodium54 claims
- Hydrocodone-Acetaminophen41 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): 76.5 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).
One hospital affiliation
- Stanford Health CareStanford, CA · Acute Care Hospitals5 of 5 stars
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through); hospitals matched to CMS Hospital General Information (Care Compare) (data.cms.gov). Star ratings are CMS hospital ratings, not ratings of this provider.
Ashley Nicole Schnell among 14,451 physician assistant records in California
Ashley Nicole Schnell, 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 2011, is newer than 30% of them.
- NPI issued2011 · 30% of these records are older, 67% newer
- In a Medicare fileYes · 75% of these records are
- In the CMS Doctors and Clinicians fileYes · 50% of these records are
- Graduated2010 · 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).
480 physician assistant records list a practice address in Stanford
They are 480 of the 5,606 NPPES records with a practice address in Stanford, and 14,451 physician assistant records in California.
All 14,451 in California → Every provider in Stanford → Physician Assistant nationwide →
The 8 physician assistant records with the nearest ZIP codes
- Jaclyn Bilello, PA-CStanford, CA 943051285695445
- Deanna Cully, PA-CStanford, CA 943051912967779
- Deborah Espinoza, PA-CStanford, CA 943051558361733
- Lorin Ferguson, PA-CStanford, CA 943051912972340
- John Laurence, PA-CStanford, CA 943051568445070
- David Miller, PA-CStanford, CA 943051538140413
- Irina Penev, PA-CStanford, CA 943051851361646
- Pamela Piacente-Rhodes, PA-CStanford, CA 943051598735227
Common questions
What is Ashley Nicole Schnell, PA-C's NPI number?
Ashley Nicole Schnell, PA-C's National Provider Identifier (NPI) is 1720384837, issued on Feb 7, 2011. An NPI identifies a provider in billing; it is not a license.
Where is Ashley Nicole Schnell, PA-C located?
The NPPES record lists a practice address at 300 Pasteur Dr, Stanford, CA, 94305. Phone: (650) 723-4000. Providers update this record themselves, so call before visiting.
How can I verify Ashley Nicole Schnell, PA-C's license?
NPPES lists California license number 53112, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.
How much does Ashley Nicole Schnell, PA-C prescribe under Medicare Part D?
In 2024, Ashley Nicole Schnell, PA-C had 832 Medicare Part D claims for 329 beneficiaries; the average among physician assistant prescribers was 830. Part D covers Medicare prescriptions only.
What is Ashley Nicole Schnell, PA-C's MIPS final score?
The 2023 MIPS final score is 76.5 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.