Stephanie Welty Warnlof, PNP
Pediatric Nurse Practitioner · San Francisco, CA
Stephanie Welty Warnlof, PNP is a pediatric nurse practitioner with a practice address in San Francisco, California, and NPI 1871934687, issued on Jul 9, 2013. Check the license (California 95000569, as entered in NPPES) with the California board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Stephanie Welty Warnlof
- Credential
- PNP
- Primary taxonomy
- Pediatric Nurse Practitioner 363LP0200X
- License numbers
- 95000569 CA
382433 NY
Self-reported in NPPES; status is on the state search - Practice location
- 505 Parnassus Ave, San Francisco, CA 94143
- Phone
- (415) 476-1000
- Enumerated
- Jul 9, 2013
- Record last updated
- Jan 12, 2024
- Medicare enrollment
- Enrolled (PECOS I20170830002883); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest pediatric nurse practitioner records → All 1,580 in California → Look up another NPI →
Also registered at 505 Parnassus Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Alexander Aabedi, MDStudent in an Organized Health Care Education/Training Program1245971480
- Kathryn Aaronson, RN, CPNPPediatric Nurse Practitioner1992030951
- Sharon AbadaStudent in an Organized Health Care Education/Training Program1003492844
- Abul Abbas, MBBSAnatomic Pathology Physician1881652964
- Jesse Abelson, MDInternal Medicine Physician1083843817
- Rhonald AbitonaAcute Care Nurse Practitioner1164993473
Verify Stephanie Welty Warnlof in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this profession
Search for license 95000569Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
The practice group's MIPS final score for 2023 (Medicare payment program): 74.5 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).
Bills Medicare through one group practice
- University OF California San FranciscoSan Francisco, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Stephanie Welty Warnlof among 1,580 pediatric nurse practitioner records in California
Stephanie Welty Warnlof, PNP 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 2013, is newer than 48% of them.
- NPI issued2013 · 48% of these records are older, 46% newer
- In a Medicare fileYes · 34% of these records are
- In the CMS Doctors and Clinicians fileYes · 6% of these records are
- Graduated2014 · median 2017 among the 98 with a school on file
- Record last updated2024 · 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
- Anne Arnhym, CPNPSan Francisco, CA 941431386867927
- Laura Cooke, RN, MSNSan Francisco, CA 941431194811794
- Diana Dawson, RN, PNPSan Francisco, CA 941431861634701
- Susan Diaz, NPSan Francisco, CA 941431962650754
- Margaret Langham, PNPSan Francisco, CA 941431487709283
- Mary Lesh, MSSan Francisco, CA 941431417983834
- Marilyn McEnhill, RN, PNPSan Francisco, CA 941431114128014
- Christine Mudge-Grout, RN NPSan Francisco, CA 941431497781892
Common questions
What is Stephanie Welty Warnlof, PNP's NPI number?
Stephanie Welty Warnlof, PNP's National Provider Identifier (NPI) is 1871934687, issued on Jul 9, 2013. An NPI identifies a provider in billing; it is not a license.
Where is Stephanie Welty Warnlof, PNP located?
The NPPES record lists a practice address at 505 Parnassus Ave, San Francisco, CA, 94143. Phone: (415) 476-1000. Providers update this record themselves, so call before visiting.
How can I verify Stephanie Welty Warnlof, PNP's license?
NPPES lists California license number 95000569, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.
What is Stephanie Welty Warnlof, PNP's MIPS final score?
The 2023 MIPS final score is 74.5 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.