Jeffrey Chapman, PA-C
NPI 1396362422 · Physician Assistant · Ridgecrest, CA
Enrolled with Medicare as Practitioner - Physician Assistant · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Jeffrey Chapman, PA-C is a Physician Assistant provider in Ridgecrest, CA (NPI 1396362422).
Provider details
- NPI number
- 1396362422
- Entity type
- Individual
- Primary specialty
- Physician AssistantPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- PA-C
- Sex
- Male
- Sole proprietor
- No
- License
- PA1987 (NV)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure33% of score
5 yrs in NPPES registry
- Profile completeness33% of score
100% of core fields populated
- Practice footprint20% of score
1 documented practice location
- Open Payments transparency13% of score
Has Open Payments disclosures (2024)
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 · 17 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 27 | — |
| Sulfamethoxazole/Trimethoprimbrand: Sulfamethoxazole-Trimethoprim | 26 | 23 |
| Amoxicillin/Potassium Clavbrand: Amoxicillin-Clavulanate Potass | 22 | 21 |
| Cephalexin | 22 | 20 |
| Doxycycline Monohydrate | 20 | 18 |
| Omeprazole | 19 | — |
| Levothyroxine Sodium |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$34 across 2 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Registry dates
- Enumerated
- 2020-07-06
- Last updated
- 2021-05-05
- Certified
- 2021-05-05
Frequently asked questions
- What is Jeffrey Chapman's NPI number?
- Jeffrey Chapman's National Provider Identifier (NPI) is 1396362422, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Jeffrey Chapman's specialty?
- Jeffrey Chapman is listed in the NPPES registry with a primary specialty of Physician Assistant (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Jeffrey Chapman located?
- Jeffrey Chapman's practice location on file with NPPES is 900 N Heritage Dr Ste E, Ridgecrest, CA 93555-5537.
- What is Jeffrey Chapman's phone number?
- The practice phone number listed in the NPPES registry for Jeffrey Chapman is (760) 446-4571.
- Does Jeffrey Chapman accept Medicare?
- Jeffrey Chapman is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Jeffrey Chapman's NPI active?
- Yes — Jeffrey Chapman's NPI (1396362422) is active in the NPPES registry as of the last update on 2021-05-05.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.