Miriam Avena-Mascareno, FNP-C
NPI 1629797246 · Family Nurse Practitioner · Petaluma, CA
Enrolled with Medicare as Order and Referring Only - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Miriam Avena-Mascareno, FNP-C is a Family Nurse Practitioner provider in Petaluma, CA (NPI 1629797246).
Provider details
- NPI number
- 1629797246
- Entity type
- Individual
- Primary specialty
- Family Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- FNP-C
- Sex
- Female
- Sole proprietor
- No
- License
- 95021379 (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 tenure38% of score
3 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 · 7 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Lisinopril | 22 | 11 |
| Famotidine | 16 | — |
| Atorvastatin Calcium | 13 | — |
| Losartan Potassium | 13 | — |
| Metformin Hcl | 13 | — |
| Sertraline Hcl | 12 | — |
| Fluticasone Propionate | 11 | — |
Practice location
Mailing address
Registry dates
- Enumerated
- 2022-08-25
- Last updated
- 2023-02-13
- Certified
- 2023-02-13
Frequently asked questions
- What is Miriam Avena-Mascareno's NPI number?
- Miriam Avena-Mascareno's National Provider Identifier (NPI) is 1629797246, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Miriam Avena-Mascareno's specialty?
- Miriam Avena-Mascareno is listed in the NPPES registry with a primary specialty of Family Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Miriam Avena-Mascareno located?
- Miriam Avena-Mascareno's practice location on file with NPPES is 1179 N Mcdowell Blvd, Petaluma, CA 94954-6559.
- What is Miriam Avena-Mascareno's phone number?
- The practice phone number listed in the NPPES registry for Miriam Avena-Mascareno is (707) 559-7500.
- Does Miriam Avena-Mascareno accept Medicare?
- Miriam Avena-Mascareno is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Miriam Avena-Mascareno's NPI active?
- Yes — Miriam Avena-Mascareno's NPI (1629797246) is active in the NPPES registry as of the last update on 2023-02-13.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.