Darrel Brown, FNPC
NPI 1568469922 · Family Nurse Practitioner · Rio Vista, CA
Enrolled with Medicare as Practitioner - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Darrel Brown, FNPC is a Family Nurse Practitioner provider in Rio Vista, CA (NPI 1568469922).
Provider details
- NPI number
- 1568469922
- Entity type
- Individual
- Primary specialty
- Family Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- FNPC
- Sex
- Male
- Sole proprietor
- Yes
- License
- 365877 (CA)
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 tenure28% of score
20 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
1,143 Medicare services, 2024 (ranked within specialty)
Medicare volume is ranked against active providers in the same specialty. 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 does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Insertion of Needle Into Vein for Collection of Blood Sample36415 | 332 | $9 |
| Office Or Other Outpatient Visit for the Evaluation and Management of Established Patient That May Not Require Presence of Healthcare Professional99211 | 310 | $24 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 286 | $124 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 79 | $88 |
| Telephone Medical Discussion Provided By Nonphysician Professional, 5-10 Minutes98966 | 58 | $10 |
| Established Patient Office Or Other Outpatient Visit With High Level of Medical Decision Making, If Using Time, 40 Minutes Or More |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 57 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Gabapentin | 77 | 15 |
| Amlodipine Besylate | 75 | 16 |
| Hydrocodone/Acetaminophenbrand: Hydrocodone-Acetaminophen | 73 | 18 |
| Atorvastatin Calcium | 70 | — |
| Trazodone Hcl | 42 | — |
| Metoprolol Succinate | 40 | — |
Practice location
Mailing address
Registry dates
- Enumerated
- 2005-06-30
- Last updated
- 2018-09-13
Frequently asked questions
- What is Darrel Brown's NPI number?
- Darrel Brown's National Provider Identifier (NPI) is 1568469922, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Darrel Brown's specialty?
- Darrel Brown is listed in the NPPES registry with a primary specialty of Family Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Darrel Brown located?
- Darrel Brown's practice location on file with NPPES is 500 Main St, Rio Vista, CA 94571-1619.
- What is Darrel Brown's phone number?
- The practice phone number listed in the NPPES registry for Darrel Brown is (707) 374-3142.
- Does Darrel Brown accept Medicare?
- Darrel Brown is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Darrel Brown's NPI active?
- Yes — Darrel Brown's NPI (1568469922) is active in the NPPES registry as of the last update on 2018-09-13.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.