NPPES file of Aug 9, 2026

Casey Stumpf, NP

Family Nurse Practitioner · San Marcos, CA

Casey Stumpf, NP is a family nurse practitioner with a practice address in San Marcos, California, and NPI 1447407440, issued on Aug 20, 2008. Check the license (California 18265, 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
1447407440
Name
Casey Stumpf
Credential
NP
Primary taxonomy
Family Nurse Practitioner 363LF0000X
License number
18265 CA
Self-reported in NPPES; status is on the state search
Practice location
197 Woodland Pkwy Ste 104, San Marcos, CA 92069
Phone
(760) 410-6785
Enumerated
Aug 20, 2008
Record last updated
Dec 11, 2024
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.
Download card Updates feed

8 nearest family nurse practitioner records → All 16,966 in California → Look up another NPI →

Also registered at 197 Woodland Pkwy Ste 104

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

  1. Lexxus CarterDoula1093413304

Verify Casey Stumpf 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 18265    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.

Is this page about you? You can ask us to correct, restrict or remove it: how.

76% fewer Medicare Part D claims than the average family nurse practitioner in 2024

314 Medicare Part D claims for 101 beneficiaries, against an average of 1,305 among the 140,557 providers of this specialty who prescribed in Part D.

  1. Casey Stumpf314
  2. Specialty average1,305

Most prescribed

  1. Quetiapine Fumarate31 claims
  2. Levothyroxine Sodium28 claims
  3. Sertraline Hcl21 claims
  4. Trazodone Hcl16 claims
  5. Cephalexin12 claims
  6. Omeprazole11 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.

Casey Stumpf among 16,966 family nurse practitioner records in California

Casey Stumpf, NP is one of 16,966 family nurse practitioner records with a practice address in California. 67% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2008, is newer than 13% of them.

  • NPI issued2008 · 13% of these records are older, 85% newer
  • In a Medicare fileYes · 67% of these records are
  • In the CMS Doctors and Clinicians fileNo · 40% of these records are
  • Record last updated2024 · 42% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363LF0000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

45 family nurse practitioner records list a practice address in San Marcos

They are 45 of the 1,985 NPPES records with a practice address in San Marcos, and 16,966 family nurse practitioner records in California.

All 16,966 in California → Every provider in San Marcos → Family Nurse Practitioner nationwide →

The 8 family nurse practitioner records with the nearest ZIP codes

  1. Alejandra Cabral, F.N.P.San Marcos, CA 920691699222620
  2. Joseph Carroll, FNPSan Marcos, CA 920691598041261
  3. Ryan Clapp, NPSan Marcos, CA 920691841649761
  4. Regina Garcia, FNP-CSan Marcos, CA 920691639673858
  5. Reynaldo Hacinas, NPSan Marcos, CA 920691215304860
  6. Lung Louie, FNPSan Marcos, CA 920691487995684
  7. Alissa Macias, MSN FNP-BCSan Marcos, CA 920691952658445
  8. Karen Murphy, FNPSan Marcos, CA 920691730160961

Common questions

What is Casey Stumpf, NP's NPI number?

Casey Stumpf, NP's National Provider Identifier (NPI) is 1447407440, issued on Aug 20, 2008. An NPI identifies a provider in billing; it is not a license.

Where is Casey Stumpf, NP located?

The NPPES record lists a practice address at 197 Woodland Pkwy Ste 104, San Marcos, CA, 92069. Phone: (760) 410-6785. Providers update this record themselves, so call before visiting.

How can I verify Casey Stumpf, NP's license?

NPPES lists California license number 18265, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.

How much does Casey Stumpf, NP prescribe under Medicare Part D?

In 2024, Casey Stumpf, NP had 314 Medicare Part D claims for 101 beneficiaries; the average among family nurse practitioner prescribers was 1,305. Part D covers Medicare prescriptions 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.