Marie-Claire Barnaba, NP
NPI 1518018696 · Nurse Practitioner · Concord, CA
Enrolled with Medicare as Practitioner - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Marie-Claire Barnaba, NP is a Nurse Practitioner provider in Concord, CA (NPI 1518018696).
Provider details
- NPI number
- 1518018696
- Entity type
- Individual
- Primary specialty
- Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- NP
- Sex
- Female
- Sole proprietor
- No
- License
- 600972 (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
19 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 · 13 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Estradiol | 279 | 195 |
| Mirabegronbrand: Myrbetriq | 125 | 51 |
| Trospium Chloride | 104 | 53 |
| Estradiolbrand: Estring | 77 | 33 |
| Mirabegronbrand: Mirabegron Er | 50 | 37 |
| Clobetasol Propionate | 34 | 23 |
| Nitrofurantoin Monohyd/M-Crystbrand: Nitrofurantoin Mono-Macro | 22 | 19 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2007-01-15
- Last updated
- 2022-01-03
Frequently asked questions
- What is Marie-Claire Barnaba's NPI number?
- Marie-Claire Barnaba's National Provider Identifier (NPI) is 1518018696, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Marie-Claire Barnaba's specialty?
- Marie-Claire Barnaba is listed in the NPPES registry with a primary specialty of Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Marie-Claire Barnaba located?
- Marie-Claire Barnaba's practice location on file with NPPES is 2299 Bacon St, Concord, CA 94520-2050.
- What is Marie-Claire Barnaba's phone number?
- The practice phone number listed in the NPPES registry for Marie-Claire Barnaba is (925) 676-3450.
- Does Marie-Claire Barnaba accept Medicare?
- Marie-Claire Barnaba is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Marie-Claire Barnaba's NPI active?
- Yes — Marie-Claire Barnaba's NPI (1518018696) is active in the NPPES registry as of the last update on 2022-01-03.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.