NPPES file of Aug 9, 2026

Amy Ostrander, NP

Pediatric Nurse Practitioner · San Francisco, CA

Amy Ostrander, NP is a pediatric nurse practitioner with a practice address in San Francisco, California, and NPI 1891160446, issued on Dec 8, 2015. Check the license (California 20038, 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 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1891160446
Name
Amy Ostrander
Credential
NP
Primary taxonomy
Pediatric Nurse Practitioner 363LP0200X
License number
20038 CA
Self-reported in NPPES; status is on the state search
Practice location
1825 4TH St, San Francisco, CA 94158
Phone
(415) 353-8530
Enumerated
Dec 8, 2015
Record last updated
Dec 8, 2015 (not updated in 11 years: call before relying on the address or phone)
Fax
(415) 353-8800
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.
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8 nearest pediatric nurse practitioner records → All 1,580 in California → Look up another NPI →

Also registered at 1825 4TH St

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

  1. Moshiur Anwar, M.D., PH.D.Radiation Oncology Physician1215161211
  2. Per Rickard BraanemarkOrthopaedic Surgery Physician1710345210
  3. Jamie Cohen, PSY.D.Clinical Psychologist1962839647
  4. Krisztina Emodi, NPFamily Nurse Practitioner1831573633
  5. Meghan Finn, NPPediatric Nurse Practitioner1578999611
  6. Natalie Limongan, NPPlastic Surgery Registered Nurse1679971071

Verify Amy Ostrander 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 20038    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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Industry payments in 2024: $22.91

1 payment: food and beverage; the largest payer was Merck Sharp & Dohme LLC. The 7,169 providers of this specialty with any payment received $330.95 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Amy Ostrander$22.91
  2. Specialty average$330.95

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

Amy Ostrander among 1,580 pediatric nurse practitioner records in California

Amy Ostrander, NP is one of 1,580 pediatric nurse practitioner records with a practice address in California. 34% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2015, is newer than 58% of them.

  • NPI issued2015 · 58% of these records are older, 36% newer
  • In a Medicare fileYes · 34% of these records are
  • In the CMS Doctors and Clinicians fileNo · 6% of these records are
  • Record last updated2015 · 63% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363LP0200X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Pediatric Nurse Practitioner providers in California

There are 1,580 pediatric nurse practitioner records in California.

All 1,580 in California → Every provider in San Francisco → Pediatric Nurse Practitioner nationwide →

The 8 pediatric nurse practitioner records with the nearest ZIP codes

  1. Barbara Bratton, NPSan Francisco, CA 941581710370598
  2. Meghan Finn, NPSan Francisco, CA 941581578999611
  3. Michelle Klosterman, RD, RN, PNPSan Francisco, CA 941581104979897
  4. Angel Kuo, RN, MSN, CPNPSan Francisco, CA 941581306931555
  5. Maureen McGrath, PNPSan Francisco, CA 941581003955469
  6. Colette O'Brien, CPNPSan Francisco, CA 941581740579416
  7. Madie Rice, RN, MS, CPNPSan Francisco, CA 941581336414135
  8. Margaret Root, PNPSan Francisco, CA 941581952777278

Common questions

What is Amy Ostrander, NP's NPI number?

Amy Ostrander, NP's National Provider Identifier (NPI) is 1891160446, issued on Dec 8, 2015. An NPI identifies a provider in billing; it is not a license.

Where is Amy Ostrander, NP located?

The NPPES record lists a practice address at 1825 4TH St, San Francisco, CA, 94158. Phone: (415) 353-8530. Providers update this record themselves, so call before visiting.

How can I verify Amy Ostrander, NP's license?

NPPES lists California license number 20038, 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.