Margaret Mary Tolbert, NP
Adult Health Nurse Practitioner · Stanford, CA
Margaret Mary Tolbert, NP is an adult health nurse practitioner with a practice address in Stanford, California, and NPI 1124018726, issued on Oct 25, 2005. Check the license (California 20771, as entered in NPPES) with the California board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Margaret Mary Tolbert
- Credential
- NP
- Primary taxonomy
- Adult Health Nurse Practitioner 363LA2200X
- License numbers
- 20771 CA
RN10026296 MA
4704229115 MI
Self-reported in NPPES; status is on the state search - Practice location
- 300 Pasteur Dr, Stanford, CA 94305
- Phone
- (650) 723-4000
- Enumerated
- Oct 25, 2005
- Record last updated
- Apr 28, 2026
- Medicare enrollment
- Enrolled (PECOS I20251229002590); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest adult health nurse practitioner records → All 1,405 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 Margaret Mary Tolbert in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this profession
Search for license 20771Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
98% fewer Medicare Part D claims than the average adult health nurse practitioner in 2024
30 Medicare Part D claims for 23 beneficiaries, against an average of 1,280 among the 16,937 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of 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).
Industry payments in 2024: $14.16
1 payment: food and beverage; the largest payer was Abbott Laboratories. The 12,291 providers of this specialty with any payment received $946.40 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
- Mass General Brigham Community Physicians IncBurlington, MA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Margaret Mary Tolbert among 1,405 adult health nurse practitioner records in California
Margaret Mary Tolbert, NP is one of 1,405 adult health nurse practitioner records with a practice address in California. 56% 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, 97% newer
- In a Medicare fileYes · 56% of these records are
- In the CMS Doctors and Clinicians fileYes · 31% of these records are
- Graduated1997 · median 2013 among the 441 with a school on file
- Record last updated2026 · 62% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363LA2200X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Adult Health Nurse Practitioner providers in California
There are 1,405 adult health nurse practitioner records in California.
All 1,405 in California → Every provider in Stanford → Adult Health Nurse Practitioner nationwide →
The 8 adult health nurse practitioner records with the nearest ZIP codes
- Matthew Burke, APRNStanford, CA 943051134430135
- Dana Dolce, CRNPStanford, CA 943051548329865
- Donna Garay, ANP-BCStanford, CA 943051619244480
- Heather Grant, AGPCNP-BCStanford, CA 943051821731506
- Gregory Moran, N.P.Stanford, CA 943051780006916
- Cheryl Passanisi, NPStanford, CA 943051497122360
- Nancy Quinn, N.P.Stanford, CA 943051427190511
- Siok-Hian Tay-Kelley, NPStanford, CA 943051568766442
Common questions
What is Margaret Mary Tolbert, NP's NPI number?
Margaret Mary Tolbert, NP's National Provider Identifier (NPI) is 1124018726, issued on Oct 25, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Margaret Mary Tolbert, 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 Mary Tolbert, NP's license?
NPPES lists California license number 20771, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.
How much does Margaret Mary Tolbert, NP prescribe under Medicare Part D?
In 2024, Margaret Mary Tolbert, NP had 30 Medicare Part D claims for 23 beneficiaries; the average among adult health nurse practitioner prescribers was 1,280. Part D covers Medicare prescriptions only.
What is Margaret Mary Tolbert, 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.