NPPES file of Aug 9, 2026

Margaret Madu-Green, NP

Nurse Practitioner · South San Francisco, CA

Margaret Madu-Green, NP is a nurse practitioner with a practice address in South San Francisco, California, and NPI 1558852962, issued on May 21, 2018. Check the license (California 95008501, as entered in NPPES) with the California board that licenses this profession; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1558852962
Name
Margaret Madu-Green
Credential
NP
Primary taxonomy
Nurse Practitioner 363L00000X
License number
95008501 CA
Self-reported in NPPES; status is on the state search
Practice location
395 Oyster Point Blvd Ste 512, South San Francisco, CA 94080
Phone
(650) 826-2945
Enumerated
May 21, 2018
Record last updated
Apr 28, 2025
Medicare enrollment
Enrolled (PECOS I20191028000681); accepts Medicare assignment
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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8 nearest nurse practitioner records → All 8,223 in California → Look up another NPI →

Also registered at 395 Oyster Point Blvd Ste 512

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

  1. Katie BarnesFamily Nurse Practitioner1811358880
  2. Rebecca Borusko, FNPFamily Nurse Practitioner1982240966
  3. Anna Boyko, RN, NPFamily Nurse Practitioner1790173326
  4. Brandi Brown, NPFamily Nurse Practitioner1851911697
  5. Melissa George, ARNP, DNPNurse Practitioner1205093051
  6. David Hamilton, MDFamily Medicine Physician1942734082

Verify Margaret Madu-Green in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich California board licenses this profession
    Search for license 95008501    Check 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
Find 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.

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Bills Medicare through one group practice

  1. Bay Area Hyperbarics Medical CorporationLos Gatos, CA

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Margaret Madu-Green among 8,223 nurse practitioner records in California

Margaret Madu-Green, 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 2018, is newer than 56% of them.

  • NPI issued2018 · 56% of these records are older, 39% newer
  • In a Medicare fileYes · 65% of these records are
  • In the CMS Doctors and Clinicians fileYes · 42% of these records are
  • Graduated2015 · 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).

Nurse Practitioner providers in California

There are 8,223 nurse practitioner records in California.

All 8,223 in California → Every provider in South San Francisco → Nurse Practitioner nationwide →

The 8 nurse practitioner records with the nearest ZIP codes

  1. Genevieve Dy, NPSouth San Francisco, CA 940801093880338
  2. Jes Camille EmbuscadoSouth San Francisco, CA 940801356110431
  3. Melissa George, ARNP, DNPSouth San Francisco, CA 940801205093051
  4. Lana Gleckman, RNSouth San Francisco, CA 940801114409059
  5. Hilarie Harris, RNNPSouth San Francisco, CA 940801720169345
  6. Anna Marie Maagdenberg, NPSouth San Francisco, CA 940801386978542
  7. Joshua Ng, NPSouth San Francisco, CA 940801619461365
  8. Zoevonda Sutton, RN, PNPSouth San Francisco, CA 940801922210327

Common questions

What is Margaret Madu-Green, NP's NPI number?

Margaret Madu-Green, NP's National Provider Identifier (NPI) is 1558852962, issued on May 21, 2018. An NPI identifies a provider in billing; it is not a license.

Where is Margaret Madu-Green, NP located?

The NPPES record lists a practice address at 395 Oyster Point Blvd Ste 512, South San Francisco, CA, 94080. Phone: (650) 826-2945. Providers update this record themselves, so call before visiting.

How can I verify Margaret Madu-Green, NP's license?

NPPES lists California license number 95008501, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.

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.

Written with AI tools from the named public files; every figure is computed from those files (how it is made).

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.