Mary Carreiro, NP
NPI 1053330951 · Nurse Practitioner · Worcester, MA
Enrolled with Medicare as Practitioner - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Mary Carreiro, NP is a Nurse Practitioner provider in Worcester, MA (NPI 1053330951).
Provider details
- NPI number
- 1053330951
- Entity type
- Individual
- Primary specialty
- Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- NP
- Sex
- Female
- Sole proprietor
- No
- License
- 191405 (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 tenure28% of score
19 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
50 Medicare services, 2024 (ranked within specialty)
Medicare volume is ranked against active providers in the same specialty. 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 does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 20 | $73 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 19 | $50 |
| Telephone Medical Discussion With Physician, 11-20 Minutes99442 | 11 | $78 |
Typical Medicare-allowed amounts for these services range $50–$78 (2024). The Medicare-allowed amount is what Medicare recognizes for a service under fee-for-service — a reference figure for 2024, not a price quote and not what you would be billed. Medicare Part B covers roughly an eighth of all NPIs (65+ skew); services with fewer than 11 beneficiaries are suppressed by CMS. Source: CMS Medicare Physician & Other Practitioners, by Provider & Service.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 19 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Albuterol Sulfatebrand: Albuterol Sulfate Hfa | 56 | 18 |
| Fluticasone Propionate | 32 | 12 |
| Cromolyn Sodium | 29 | — |
| Fluticasone/Umeclidin/Vilanterbrand: Trelegy Ellipta | 27 | — |
| Ipratropium Bromide | 25 | 12 |
| Tiotropium Bromidebrand: Spiriva Respimat | 23 | — |
| Omalizumabbrand: Xolair | 21 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-07-19
- Last updated
- 2020-10-27
- Certified
- 2020-10-27
Frequently asked questions
- What is Mary Carreiro's NPI number?
- Mary Carreiro's National Provider Identifier (NPI) is 1053330951, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mary Carreiro's specialty?
- Mary Carreiro is listed in the NPPES registry with a primary specialty of Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Mary Carreiro located?
- Mary Carreiro's practice location on file with NPPES is 55 Lake Ave N, Worcester, MA 01655-0002.
- What is Mary Carreiro's phone number?
- The practice phone number listed in the NPPES registry for Mary Carreiro is (508) 856-1975.
- Does Mary Carreiro accept Medicare?
- Mary Carreiro is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Mary Carreiro's NPI active?
- Yes — Mary Carreiro's NPI (1053330951) is active in the NPPES registry as of the last update on 2020-10-27.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.