Catherine Napoli, PA-C
Physician Assistant · Chelmsford, MA
Catherine Napoli, PA-C is a physician assistant with a practice address in Chelmsford, Massachusetts, and NPI 1467130104, issued on Jul 11, 2023. Check the license with the Massachusetts board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Catherine Napoli
- Credential
- PA-C
- Primary taxonomy
- Physician Assistant 363A00000X
- Practice location
- 290 Littleton RD Unit 3, Chelmsford, MA 01824
- Phone
- (978) 685-2460
- Enumerated
- Jul 11, 2023
- Record last updated
- Jun 3, 2025
- Medicare enrollment
- Enrolled (PECOS I20231017003224); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest physician assistant records → All 4,713 in Massachusetts → Look up another NPI →
Also registered at 290 Littleton RD Unit 3
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Leanne Aguirre, NPFamily Nurse Practitioner1720741465
- Rachelle Archard, CNPAdult Health Nurse Practitioner1598400079
- Laura BauerNurse Practitioner1164078838
- Diana Bishop, NPNurse Practitioner1447954177
- Amanda Bonomo, FNP-BCFamily Nurse Practitioner1912623588
- Elnora Burton, ARNPFamily Nurse Practitioner1659694768
Verify Catherine Napoli in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Massachusetts board licenses this professionCheck the board
- 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
4.1 times the Medicare Part D claims of the average physician assistant in 2024
3,413 Medicare Part D claims for 214 beneficiaries, against an average of 830 among the 101,058 providers of this specialty who prescribed in Part D. 122 claims were for opioids.
Most prescribed
- Warfarin Sodium203 claims
- Trazodone Hcl163 claims
- Levothyroxine Sodium142 claims
- Quetiapine Fumarate133 claims
- Furosemide125 claims
- Atorvastatin Calcium96 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Industry payments in 2024: $150.95
2 payments; by number, the most common kind was food and beverage; the largest payer was Otsuka America Pharmaceutical, Inc. The 64,719 providers of this specialty with any payment received $841.65 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through 2 group practices
- Lawrence General Community Medical Service PLLCChelmsford, MA
- New England Community Medical Services PLLCChelmsford, MA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Catherine Napoli among 4,713 physician assistant records in Massachusetts
Catherine Napoli, PA-C is one of 4,713 physician assistant records with a practice address in Massachusetts. 78% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2023, is newer than 75% of them.
- NPI issued2023 · 75% of these records are older, 17% newer
- In a Medicare fileYes · 78% of these records are
- In the CMS Doctors and Clinicians fileYes · 68% of these records are
- Graduated2022 · median 2019 among the 3,217 with a school on file
- Record last updated2025 · 38% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363A00000X and a Massachusetts practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
11 physician assistant records list a practice address in Chelmsford
They are 11 of the 937 NPPES records with a practice address in Chelmsford, and 4,713 physician assistant records in Massachusetts.
All 4,713 in Massachusetts → Every provider in Chelmsford → Physician Assistant nationwide →
The 8 physician assistant records with the nearest ZIP codes
- Sonia Almeida, PAChelmsford, MA 018241063560357
- Kittiya Arisarachai, PA-CChelmsford, MA 018241467013672
- Cheryl Brackbill, PA-CChelmsford, MA 018241073713087
- Christine Hulbert, PA-CChelmsford, MA 018241407921778
- Stephanie Lewis, PAChelmsford, MA 018241821018516
- Erin McNamara, PAChelmsford, MA 018241215504790
- Kira OzerChelmsford, MA 018241861365975
- Anne Riemer, PA-CChelmsford, MA 018241447447990
Common questions
What is Catherine Napoli, PA-C's NPI number?
Catherine Napoli, PA-C's National Provider Identifier (NPI) is 1467130104, issued on Jul 11, 2023. An NPI identifies a provider in billing; it is not a license.
Where is Catherine Napoli, PA-C located?
The NPPES record lists a practice address at 290 Littleton RD Unit 3, Chelmsford, MA, 01824. Phone: (978) 685-2460. Providers update this record themselves, so call before visiting.
How can I verify Catherine Napoli, PA-C's license?
Search the Massachusetts board that licenses this profession; the NPPES record confirms identity only.
How much does Catherine Napoli, PA-C prescribe under Medicare Part D?
In 2024, Catherine Napoli, PA-C had 3,413 Medicare Part D claims for 214 beneficiaries; the average among physician assistant prescribers was 830. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.