James Zapf, RN, NP
NPI 1326539065 · Family Nurse Practitioner · El Cajon, CA
James Zapf, RN, NP is a Family Nurse Practitioner provider in El Cajon, CA (NPI 1326539065).
Provider details
- NPI number
- 1326539065
- Entity type
- Individual
- Primary specialty
- Family Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- RN, NP
- Sex
- Male
- Sole proprietor
- Yes
- License
- 95009157 (CA)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
Nursing Service Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
8 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 6 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Cefadroxil | 91 | 91 |
| Nitrofurantoin Monohyd/M-Crystbrand: Nitrofurantoin Mono-Macro | 41 | 41 |
| Amoxicillin/Potassium Clavbrand: Amoxicillin-Clavulanate Potass | 40 | 40 |
| Amoxicillin | 26 | 26 |
| Polymyxin B Sulf/Trimethoprimbrand: Polymyxin B Sul-Trimethoprim | 18 | 18 |
| Doxycycline Monohydrate | 16 | 16 |
Medicare Part D only. These counts cover prescriptions paid through Medicare Part D in 2024 — they do notinclude cash-pay, commercial-insurance, Medicaid, or Part B–administered drugs, and badly undercount high cash-pay categories (e.g. GLP-1 weight-loss, testosterone, and ED medications). Any drug with 10 or fewer claims is omitted by CMS, and beneficiary counts under 11 are suppressed — so a missing drug means , never zero. This is a factual claims summary, not an endorsement, not medical advice, and not a consumer report. Source: CMS Medicare Part D Prescribers — by Provider and Drug.
Practice location
Mailing address
Registry dates
- Enumerated
- 2018-05-29
- Last updated
- 2022-04-25
- Certified
- 2022-02-10
Frequently asked questions
- What is James Zapf's NPI number?
- James Zapf's National Provider Identifier (NPI) is 1326539065, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is James Zapf's specialty?
- James Zapf is listed in the NPPES registry with a primary specialty of Family Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is James Zapf located?
- James Zapf's practice location on file with NPPES is 250 Travelodge Dr, El Cajon, CA 92020-4126.
- What is James Zapf's phone number?
- The practice phone number listed in the NPPES registry for James Zapf is (833) 574-2273.
- Is James Zapf's NPI active?
- Yes — James Zapf's NPI (1326539065) is active in the NPPES registry as of the last update on 2022-04-25.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.