Registry data as of Aug 27, 2026

Alyssa Mixon, DO

Physical Medicine & Rehabilitation Physician · Stanford, CA

Alyssa Mixon, DO is a physical medicine & rehabilitation physician with a practice address in Stanford, California, and NPI 1144671116, issued on Jun 30, 2016. Check the license on the Medical Board of California; the Medicare figures below come from public CMS files.

Record from CMS NPPES, loaded Aug 27, 2026 · Medicare files 2023 and 2024 · method · Verify with CMS →

NPPES recordas of Aug 27, 2026
1144671116
Name
Alyssa Mixon
Credential
DO
Primary taxonomy
Physical Medicine & Rehabilitation Physician 208100000X
Practice location
300 Pasteur Dr, Stanford, CA 94305
Phone
(650) 723-4000
Enumerated
Jun 30, 2016
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
Download card Updates feed

Also registered at 300 Pasteur Dr

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

  1. Cooper Aakhus, MDEmergency Medicine Physician1194351007
  2. Oliver Aalami, M.D.Surgery Physician1225229024
  3. Alistair Aaronson, MDInternal Medicine Physician1457628760
  4. Sumaira Aasi, MDDermatology Physician1780675181
  5. Fahim Abbasi, M.D.Advanced Heart Failure and Transplant Cardiology Physician1841484037
  6. Mohamad Abbass, MDNeurological Surgery Physician1679492151

Verify Alyssa Mixon in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of CaliforniaCheck 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
Open 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.

Statewide context: the Medical Board of California reported 374 disciplinary actions in FY 2022-23. California discipline data →

90% fewer Medicare Part D claims than the average physical medicine & rehabilitation physician in 2024

82 Medicare Part D claims for 29 beneficiaries, against an average of 793 among the 6,932 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of claims.

  1. Alyssa Mixon82
  2. Specialty average793

Most prescribed

  1. Lidocaine-Prilocaine17 claims
  2. Gabapentin13 claims
  3. Cyclobenzaprine Hcl11 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 Medicare quality score for 2023: 79.4 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.

  1. Qualityout of 100 · 30% of the final score73.7
  2. Costout of 100 · 30%57.7
  3. Promoting interoperabilityout of 100 · 25%100.0
  4. Improvement activities40 of 40 points · 15%100.0

Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).

One hospital or facility affiliation

  1. University OF Virginia Physicians GroupCharlottesville, VA

Source: CMS Doctors and Clinicians affiliations; Hospital General Information (Care Compare) (data.cms.gov). Star ratings are CMS hospital ratings, not ratings of this provider.

Physical Medicine & Rehabilitation Physician providers in California

There are 1,552 physical medicine & rehabilitation physician records in California.

Other physical medicine & rehabilitation physician records in California

  1. Payandeh Abadee, M.D.San Pedro, CA1376557793
  2. Sammantha Abbott, DPTEureka, CA1659704351
  3. Alexan Abdel-Malek, MDSylmar, CA1457410060
  4. Alicia Abels, M.D.Folsom, CA1336234442
  5. Gary Abrams, M.D.San Francisco, CA1346213246
  6. Michael Acord, MDCosta Mesa, CA1205903101
  7. Hugh Adams, M.D.Long Beach, CA1962436774
  8. Lefkos Aftonomos, M.D.San Mateo, CA1972544088
  9. Haleh Agdassi, M.D.Palo Alto, CA1477664159
  10. Reena Agrawal, MDPalo Alto, CA1720257520

Common questions

What is Alyssa Mixon, DO's NPI number?

Alyssa Mixon, DO's National Provider Identifier (NPI) is 1144671116, issued on Jun 30, 2016. An NPI identifies a provider in billing; it is not a license.

Where is Alyssa Mixon, DO 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 Alyssa Mixon, DO's license?

Search the Medical Board of California at https://www.mbc.ca.gov/License-Verification/default.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Alyssa Mixon, DO prescribe under Medicare Part D?

In 2024, Alyssa Mixon, DO had 82 Medicare Part D claims for 29 beneficiaries; the average among physical medicine & rehabilitation physician prescribers was 793. Part D covers Medicare prescriptions only.

What is Alyssa Mixon, DO's Medicare quality score?

The 2023 MIPS final score is 79.4 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), loaded Aug 27, 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.

Every figure on PlainDoctor is rendered directly from the federal CMS NPPES registry, Medicare Part D, MIPS, and Open Payments records, no number is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 27, 2026.