Catherine Napoli, PA-C
NPI 1467130104 · Physician Assistant · Chelmsford, MA
Enrolled with Medicare as Practitioner - Physician Assistant · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Catherine Napoli, PA-C is a Physician Assistant provider in Chelmsford, MA (NPI 1467130104).
Provider details
- NPI number
- 1467130104
- Entity type
- Individual
- Primary specialty
- Physician AssistantPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- PA-C
- Sex
- Female
- Sole proprietor
- Yes
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
2 yrs in NPPES registry
- Profile completeness25% of score
83% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
2,897 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) |
|---|---|---|
| Residence Visit for Established Patient With Moderate Level of Medical Decision Making, Per Day, If Using Time, at Least 40 Minutes99349 | 850 | $111 |
| Subsequent Nursing Facility Care With Moderate Level of Medical Decision Making, Per Day, If Using Time, at Least 30 Minutes99309 | 557 | $97 |
| Advance Care Planning, First 30 Minutes99497 | 546 | $72 |
| Advance Care Planning, First 30 Minutes99497 | 337 | $67 |
| Residence Visit for Established Patient With High Level of Medical Decision Making, Per Day, If Using Time, at Least 60 Minutes99350 | 241 | $160 |
| Subsequent Nursing Facility Care With Straightforward Level of Medical Decision Making, Per Day, If Using Time, 20 Minutes Or More99308 |
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 |
|---|---|---|
| Warfarin Sodium | 203 | — |
| Trazodone Hcl | 163 | 35 |
| Levothyroxine Sodium | 142 | 22 |
| Quetiapine Fumarate | 133 | 34 |
| Furosemide | 125 | 29 |
| Atorvastatin Calcium | 96 | 20 |
| Mirtazapine | 90 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$151 across 2 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
- 2023-07-11
- Last updated
- 2025-06-03
- Certified
- 2025-06-03
Frequently asked questions
- What is Catherine Napoli's NPI number?
- Catherine Napoli's National Provider Identifier (NPI) is 1467130104, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Catherine Napoli's specialty?
- Catherine Napoli is listed in the NPPES registry with a primary specialty of Physician Assistant (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Catherine Napoli located?
- Catherine Napoli's practice location on file with NPPES is 290 Littleton Rd Unit 3, Chelmsford, MA 01824-3429.
- What is Catherine Napoli's phone number?
- The practice phone number listed in the NPPES registry for Catherine Napoli is (978) 685-2460.
- Does Catherine Napoli accept Medicare?
- Catherine Napoli is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Catherine Napoli's NPI active?
- Yes — Catherine Napoli's NPI (1467130104) is active in the NPPES registry as of the last update on 2025-06-03.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.