Dennise Walker, NP
Primary Care Nurse Practitioner · Barstow, CA
Dennise Walker, NP is a primary care nurse practitioner with a practice address in Barstow, California, and NPI 1669838637, issued on Jan 6, 2016. Check the license (California F1115423, as entered in NPPES) with the California board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Dennise Walker
- Credential
- NP
- Primary taxonomy
- Primary Care Nurse Practitioner 363LP2300X
- License number
- F1115423 CA
Self-reported in NPPES; status is on the state search - Practice location
- 750 E Main St, Barstow, CA 92311
- Phone
- (442) 347-2800
- Enumerated
- Jan 6, 2016
- Record last updated
- May 12, 2021 (not updated in 5 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20170830001989); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest primary care nurse practitioner records → All 1,131 in California → Look up another NPI →
Also registered at 750 E Main St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Treniese Gill, FNPFamily Nurse Practitioner1568953487
- Jodiann Ledford, M.D.Pediatrics Physician1881910149
- Bertha Nkemere, FNPFamily Nurse Practitioner1295901700
Verify Dennise Walker in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this profession
Search for license F1115423Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
24% fewer Medicare Part D claims than the average primary care nurse practitioner in 2024
1,132 Medicare Part D claims for 326 beneficiaries, against an average of 1,492 among the 5,992 providers of this specialty who prescribed in Part D. Brand-name drugs were 12% of claims.
Most prescribed
- Prednisone86 claims
- Atorvastatin Calcium67 claims
- Metformin Hcl59 claims
- Lisinopril53 claims
- Albuterol Sulfate Hfa39 claims
- Cephalexin38 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.
Industry payments in 2024: $88.81
5 payments; by number, the most common kind was food and beverage; the largest payer was Exact Sciences Corporation. The 4,321 providers of this specialty with any payment received $625.13 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
- Caremd, Inc.Barstow, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Dennise Walker among 1,131 primary care nurse practitioner records in California
Dennise Walker, NP is one of 1,131 primary care nurse practitioner records with a practice address in California. 63% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2016, is newer than 27% of them.
- NPI issued2016 · 27% of these records are older, 68% newer
- In a Medicare fileYes · 63% of these records are
- In the CMS Doctors and Clinicians fileYes · 35% of these records are
- Graduated2015 · median 2019 among the 398 with a school on file
- Record last updated2021 · 40% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363LP2300X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Primary Care Nurse Practitioner providers in California
There are 1,131 primary care nurse practitioner records in California.
All 1,131 in California → Every provider in Barstow → Primary Care Nurse Practitioner nationwide →
The 8 primary care nurse practitioner records with the nearest ZIP codes
- Melissa Tracht, ARNPFort Irwin, CA 923101821322322
- Ann OleneckApple Valley, CA 923081609401124
- Stephanie Hom, NPApple Valley, CA 923071891164901
- Angelique Torres, FNP-CApple Valley, CA 923071689546293
- Maria BarrazaColton, CA 923241992403026
- Ampora GonzalesFontana, CA 923361235722398
- Brandon Gonzalez, FNP-CFontana, CA 923361124974621
- Comfort Obinwanne, NPFontana, CA 923361366249831
Common questions
What is Dennise Walker, NP's NPI number?
Dennise Walker, NP's National Provider Identifier (NPI) is 1669838637, issued on Jan 6, 2016. An NPI identifies a provider in billing; it is not a license.
Where is Dennise Walker, NP located?
The NPPES record lists a practice address at 750 E Main St, Barstow, CA, 92311. Phone: (442) 347-2800. Providers update this record themselves, so call before visiting.
How can I verify Dennise Walker, NP's license?
NPPES lists California license number F1115423, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.
How much does Dennise Walker, NP prescribe under Medicare Part D?
In 2024, Dennise Walker, NP had 1,132 Medicare Part D claims for 326 beneficiaries; the average among primary care nurse practitioner prescribers was 1,492. 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.
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.