Maria Antonio, APRN
NPI 1134809866 · Family Nurse Practitioner · Stamford, CT
Enrolled with Medicare as Practitioner - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Maria Antonio, APRN is a Family Nurse Practitioner provider in Stamford, CT (NPI 1134809866).
Provider details
- NPI number
- 1134809866
- Entity type
- Individual
- Primary specialty
- Family Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- APRN
- Sex
- Female
- Sole proprietor
- No
- License
- 12.011436 (CT)
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
2 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
215 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 Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 111 | $81 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 55 | $114 |
| Detection Test By Immunoassay Technique for Severe Acute Respiratory Syndrome Coronavirus and Influenza87428 | 28 | $69 |
| Detection Test By Immunoassay With Direct Visual Observation for Streptococcus, Group a (strep)87880 | 21 | $16 |
Typical Medicare-allowed amounts for these services range $16–$114 (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 · 9 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Fluticasone Propionate | 28 | 25 |
| Prednisone | 28 | 28 |
| Amlodipine Besylate | 26 | — |
| Amoxicillin/Potassium Clavbrand: Amoxicillin-Clavulanate Potass | 24 | 24 |
| Azithromycin | 19 | 19 |
| Rosuvastatin Calcium | 19 | — |
| Doxycycline Hyclate | 18 | 17 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2023-07-18
- Last updated
- 2023-10-11
- Certified
- 2023-10-11
Frequently asked questions
- What is Maria Antonio's NPI number?
- Maria Antonio's National Provider Identifier (NPI) is 1134809866, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Maria Antonio's specialty?
- Maria Antonio is listed in the NPPES registry with a primary specialty of Family Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Maria Antonio located?
- Maria Antonio's practice location on file with NPPES is 292 Long Ridge Rd Ste 104, Stamford, CT 06902-1627.
- What is Maria Antonio's phone number?
- The practice phone number listed in the NPPES registry for Maria Antonio is (203) 276-8575.
- Does Maria Antonio accept Medicare?
- Maria Antonio is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Maria Antonio's NPI active?
- Yes — Maria Antonio's NPI (1134809866) is active in the NPPES registry as of the last update on 2023-10-11.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.