Rebecca Grillo, P.A.
NPI 1093856833 · Medical Physician Assistant · North Haven, CT
Enrolled with Medicare as Practitioner - Physician Assistant · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Rebecca Grillo, P.A. is a Medical Physician Assistant provider in North Haven, CT (NPI 1093856833).
Provider details
- NPI number
- 1093856833
- Entity type
- Individual
- Primary specialty
- Medical Physician AssistantPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- P.A.
- Sex
- Female
- Sole proprietor
- No
- License
- 001359 (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 tenure25% of score
19 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
642 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
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 .
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 | 244 | $116 |
| Visit Complexity Inherent to Evaluation and Management Associated With Medical Care Services That Serve As the Continuing Focal Point for All Needed Health Care Services And/Or With Medical Care Services That Are Part of Ongoing Care Related to a Patient'SG2211 | 174 | $15 |
| Annual Wellness Visit, Includes a Personalized Prevention Plan of Service (pps), Subsequent VisitG0439 | 44 | $118 |
| Annual Depression Screening, 5 to 15 MinutesG0444 | 43 | $17 |
| Annual Alcohol Misuse Screening, 5 to 15 MinutesG0442 | 42 | $17 |
| Routine Electrocardiogram (ecg) Using at Least 12 Leads With Interpretation and Report |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 80 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 184 | 44 |
| Oxycodone Hcl | 156 | 16 |
| Levothyroxine Sodium | 139 | 33 |
| Oxycodone Hcl/Acetaminophenbrand: Oxycodone-Acetaminophen | 131 | 14 |
| Gabapentin | 117 | 20 |
| Alprazolam | 109 | 20 |
| Omeprazole |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$2,163 across 111 records (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
- 2007-02-12
- Last updated
- 2011-08-02
Frequently asked questions
- What is Rebecca Grillo's NPI number?
- Rebecca Grillo's National Provider Identifier (NPI) is 1093856833, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Rebecca Grillo's specialty?
- Rebecca Grillo is listed in the NPPES registry with a primary specialty of Medical Physician Assistant (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Rebecca Grillo located?
- Rebecca Grillo's practice location on file with NPPES is 52 Washington Ave, North Haven, CT 06473-1724.
- What is Rebecca Grillo's phone number?
- The practice phone number listed in the NPPES registry for Rebecca Grillo is (203) 672-2800.
- Does Rebecca Grillo accept Medicare?
- Rebecca Grillo is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Rebecca Grillo's NPI active?
- Yes — Rebecca Grillo's NPI (1093856833) is active in the NPPES registry as of the last update on 2011-08-02.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.