Maria Baron, NP
NPI 1891319455 · Family Nurse Practitioner · Guerneville, CA
Enrolled with Medicare as Order and Referring Only - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Maria Baron, NP is a Family Nurse Practitioner provider in Guerneville, CA (NPI 1891319455).
Provider details
- NPI number
- 1891319455
- Entity type
- Individual
- Primary specialty
- Family Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- NP
- Sex
- Female
- Sole proprietor
- No
- License
- 754636 (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
6 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 · 33 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 71 | 15 |
| Lisinopril | 65 | 17 |
| Amlodipine Besylate | 50 | 12 |
| Trazodone Hcl | 45 | — |
| Levothyroxine Sodium | 43 | — |
| Hydrocodone/Acetaminophenbrand: Hydrocodone-Acetaminophen | 43 | 20 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2020-05-29
- Last updated
- 2024-04-24
- Certified
- 2024-04-24
Frequently asked questions
- What is Maria Baron's NPI number?
- Maria Baron's National Provider Identifier (NPI) is 1891319455, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Maria Baron's specialty?
- Maria Baron is listed in the NPPES registry with a primary specialty of Family Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Maria Baron located?
- Maria Baron's practice location on file with NPPES is 16387 First St, Guerneville, CA 95446-8817.
- What is Maria Baron's phone number?
- The practice phone number listed in the NPPES registry for Maria Baron is (619) 840-4929.
- Does Maria Baron accept Medicare?
- Maria Baron is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Maria Baron's NPI active?
- Yes — Maria Baron's NPI (1891319455) is active in the NPPES registry as of the last update on 2024-04-24.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.