Maria Chaves, NP
NPI 1992000442 · Nurse Practitioner · Marlborough, MA
Enrolled with Medicare as Practitioner - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Maria Chaves, NP is a Nurse Practitioner provider in Marlborough, MA (NPI 1992000442).
Provider details
- NPI number
- 1992000442
- Entity type
- Individual
- Primary specialty
- Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- NP
- Sex
- Female
- Sole proprietor
- No
- License
- 165098 (MA)
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
15 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 · 70 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Rosuvastatin Calcium | 329 | 103 |
| Atorvastatin Calcium | 275 | 82 |
| Amlodipine Besylate | 254 | 74 |
| Levothyroxine Sodium | 187 | 53 |
| Semaglutidebrand: Ozempic | 173 | 28 |
| Losartan Potassium | 166 | 53 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$19 across 1 record (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
- 2011-01-13
- Last updated
- 2011-01-13
Frequently asked questions
- What is Maria Chaves's NPI number?
- Maria Chaves's National Provider Identifier (NPI) is 1992000442, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Maria Chaves's specialty?
- Maria Chaves is listed in the NPPES registry with a primary specialty of Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Maria Chaves located?
- Maria Chaves's practice location on file with NPPES is 65 Fremont St, Marlborough, MA 01752-1271.
- What is Maria Chaves's phone number?
- The practice phone number listed in the NPPES registry for Maria Chaves is (508) 303-8553.
- Does Maria Chaves accept Medicare?
- Maria Chaves is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Maria Chaves's NPI active?
- Yes — Maria Chaves's NPI (1992000442) is active in the NPPES registry as of the last update on 2011-01-13.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.