Margaret Eich Mills, NP
Nurse Practitioner · Stanford, CA
Margaret Eich Mills, NP is a nurse practitioner with a practice address in Stanford, California, and NPI 1336454792, issued on Aug 10, 2010. Check the license (California 95007936, as entered in NPPES) with the California board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Margaret Eich Mills
- Credential
- NP
- Primary taxonomy
- Nurse Practitioner 363L00000X
- License numbers
- 95007936 CA
APN0991849-NP CO
11684 OH
Self-reported in NPPES; status is on the state search - Practice location
- 300 Pasteur Dr, Stanford, CA 94305
- Phone
- (650) 723-4000
- Enumerated
- Aug 10, 2010
- Record last updated
- Dec 31, 2025
- Medicare enrollment
- Enrolled (PECOS I20171204000741); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
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Verify Margaret Eich Mills in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this profession
Search for license 95007936Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
75% fewer Medicare Part D claims than the average nurse practitioner in 2024
273 Medicare Part D claims for 74 beneficiaries, against an average of 1,109 among the 54,319 providers of this specialty who prescribed in Part D. Brand-name drugs were 31% of claims. 11 claims were for opioids.
Most prescribed
- Gabapentin27 claims
- Eliquis25 claims
- Lynparza24 claims
- Zejula17 claims
- Amlodipine Besylate16 claims
- Prochlorperazine Maleate15 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.
Margaret Eich Mills among 8,223 nurse practitioner records in California
Margaret Eich Mills, 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 2010, is newer than 32% of them.
- NPI issued2010 · 32% of these records are older, 66% newer
- In a Medicare fileYes · 65% of these records are
- In the CMS Doctors and Clinicians fileYes · 42% of these records are
- Graduated2010 · median 2017 among the 3,425 with a school on file
- Record last updated2025 · 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).
572 nurse practitioner records list a practice address in Stanford
They are 572 of the 5,606 NPPES records with a practice address in Stanford, and 8,223 nurse practitioner records in California.
All 8,223 in California → Every provider in Stanford → Nurse Practitioner nationwide →
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Common questions
What is Margaret Eich Mills, NP's NPI number?
Margaret Eich Mills, NP's National Provider Identifier (NPI) is 1336454792, issued on Aug 10, 2010. An NPI identifies a provider in billing; it is not a license.
Where is Margaret Eich Mills, NP 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 Margaret Eich Mills, NP's license?
NPPES lists California license number 95007936, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.
How much does Margaret Eich Mills, NP prescribe under Medicare Part D?
In 2024, Margaret Eich Mills, NP had 273 Medicare Part D claims for 74 beneficiaries; the average among nurse practitioner prescribers was 1,109. Part D covers Medicare prescriptions only.
What is Margaret Eich Mills, NP'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.