Maria Estrela Chaves, NP
- Part D claims, 2024
- 4,396
- Industry payments
- $122
- Affiliated sites
- 1
- Medical group
- 1
- State license
- 1
- Practice address
- 157 Union St, Marlborough, MA 01752
- Practice phone
- Call (508) 481-5000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
UMass Memorial Medical Center - Marlborough Campus
Marlborough, Massachusetts
Find Maria Chaves' professional email, personal email and mobile number
Dmand AI checks each channel through healthcare-specific waterfall enrichment. See what is on file with a free account, with practice phones, licenses and affiliations.
Maria Estrela Chaves is a nurse practitioner in Marlborough, Massachusetts
Maria Chaves practices at UMass Memorial Medical Center - Marlborough Campus in Marlborough, Massachusetts.
Maria Chaves' NPI, 1992000442, was assigned on January 13, 2011. Maria Chaves holds Massachusetts license 165098.
- NPI
- 1992000442NPI Registry (opens in a new tab)
- NPI enumeration date
- January 13, 2011
- NPI status
- Active
- Practice phone
- (508) 481-5000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Practice Data
Maria Estrela Chaves practices at UMass Memorial Medical Center - Marlborough Campus in Marlborough, Massachusetts
Maria Chaves' primary practice is UMass Memorial Medical Center - Marlborough Campus, at 157 Union St, Marlborough, MA 01752 in Middlesex County. The practice phone is (508) 481-5000.
- UMass Memorial Medical Center - Marlborough Campus157 Union St, Marlborough, MA 01752 · Middlesex CountyPhone(508) 481-5000
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Maria Estrela Chaves is affiliated with 2 sites of care and 1 medical group
Maria Chaves' primary practice is UMass Memorial Medical Center - Marlborough Campus in Marlborough, Massachusetts. The medical group on file is Marlboro Internal Medicine. Dmand AI also links Maria Chaves to 1 more group practice or clinic, named with a free account.
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; and Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Maria Estrela Chaves' practice
Dmand AI tracks the electronic health record (EHR) system at each site where Maria Chaves practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| UMass Memorial Medical Center - Marlborough Campus | Available with a free account |
| +1 more affiliated site | Available with a free account |
Source: Dmand AI Technology Install Data
For health IT teams
Dmand AI maps EHR vendors, IT decision makers and buying committees across each health system and 6.2K+ hospitals, with verified contacts in the same login.
Maria Estrela Chaves is one of 2,511 nurse practitioners in Massachusetts
Nurse practitioner is Maria Chaves' primary specialty in the NPI Registry, under taxonomy code 363L00000X. Maria Chaves is licensed in Massachusetts.
Specialties and state licenses
- Nurse practitioner, MassachusettsPrimary
Nurse practitioners near Maria Chaves
Counts of nurse practitioners with a Dmand AI profile, by place and practice. Each opens the list.
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Maria Estrela Chaves' patients have a median age of 71
Across all payers, Dmand AI patient panel data puts Maria Chaves' median patient age at 71, with 71% women.
Maria Chaves' patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 71
Patient panel by sex, all payers
- Women71%
- Men29%
Source: Dmand AI Patient Panel Data
Maria Estrela Chaves wrote 4,396 Medicare Part D claims in 2024
In 2024, Maria Chaves wrote 4,396 Medicare Part D claims for 348 patients. 82% of them were for generic drugs.
Maria Chaves' Part D claims by kind of drug, 2024
- Generic3,596 claims82%
- Brand-name760 claims17%
- Other40 claims1%
Drug classes CMS tracks in Maria Chaves' Part D claims, 2024
- Opioids0%13 of 4,396 claims
- Antibiotics1%63 of 4,396 claims
- Antipsychotics, patients 65 and over0%12 of 4,396 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
Source: Medicare Part D Prescribers - by Provider (CMS), 2024 data
For MedTech and pharma teams
Filter 7.4M+ HCPs by Medicare procedures, Part D drugs and Open Payments history, then reach them with verified contacts in one login.
Maria Estrela Chaves received $122 in industry payments in 2025
CMS Open Payments shows 1 general payment to Maria Chaves from 1 drug or device company in 2025. Food and beverage make up the largest share, 100% of the total. Novo Nordisk Inc paid the most, $122.
Companies that paid Maria Chaves the most, 2025 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Maria Estrela Chaves's profile data
| Data on this page | Source |
|---|---|
| NPI, name, sex, specialty and licenses | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data |
| Practice locations and phone | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data |
| Primary practice, affiliations and health system | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand AI Affiliation Data |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel Data |
| Part D prescribing | Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| EHR at each practice site | Dmand AI Technology Install Data |
| Similar physicians | Dmand AI Affiliation Data |
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about Maria Estrela Chaves
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Maria Estrela Chaves' NPI number?
Maria Estrela Chaves' NPI number is 1992000442. It was assigned on January 13, 2011, and it is active in the NPI Registry.
What does Maria Estrela Chaves specialize in?
Maria Estrela Chaves is a nurse practitioner in Marlborough, Massachusetts. The primary specialty in the NPI Registry is Nurse Practitioner (taxonomy code 363L00000X).
Where does Maria Estrela Chaves practice?
Maria Chaves practices at 157 Union St, Marlborough, MA 01752. Maria Chaves' primary practice is UMass Memorial Medical Center - Marlborough Campus in Marlborough, Massachusetts. Dmand AI also links Maria Chaves to 1 group practice or clinic.
What is Maria Estrela Chaves' office phone number?
The practice phone on file for Maria Chaves is (508) 481-5000.
What is Maria Estrela Chaves' medical license number?
Maria Chaves holds Massachusetts license 165098.
What medical group is Maria Estrela Chaves part of?
Maria Chaves is linked to Marlboro Internal Medicine.
Has Maria Estrela Chaves received payments from drug or device companies?
CMS Open Payments shows $122 in general payments to Maria Chaves from 1 company from 2025 to 2025. The largest total came from Novo Nordisk Inc.
How long has Maria Estrela Chaves been practicing?
Maria Chaves' NPI was assigned in 2011.
Selling to nurse practitioner practices?
See nurse practitioners in Massachusetts by site of care and group
Find the practices, groups and hospitals they work with, and the right people to contact at each.
- 30 days free
- Self-serve
- No credit card