Catherine Harrington
NPI 1669862736 · Adult Health Nurse Practitioner · Waltham, MA
Enrolled with Medicare as Order and Referring Only - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Catherine Harrington is a Adult Health Nurse Practitioner provider in Waltham, MA (NPI 1669862736).
Provider details
- NPI number
- 1669862736
- Entity type
- Individual
- Primary specialty
- Adult Health Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Sex
- Female
- Sole proprietor
- No
- License
- RN2275639 (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 tenure38% of score
11 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
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 prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 29 distinct drugs on file.
| Drug | Part D claims (2024) |
|---|---|
| Levothyroxine Sodium | 63 |
| Apixabanbrand: Eliquis | 49 |
| Clonazepam | 43 |
| Lorazepam | 39 |
| Atorvastatin Calcium | 38 |
| Furosemide | 35 |
| Trazodone Hcl | 29 |
| Citalopram Hydrobromidebrand: Citalopram Hbr | 28 |
| Pantoprazole Sodium |
Practice location
Mailing address
Registry dates
- Enumerated
- 2015-01-28
- Last updated
- 2023-12-07
- Certified
- 2023-12-07
Frequently asked questions
- What is Catherine Harrington's NPI number?
- Catherine Harrington's National Provider Identifier (NPI) is 1669862736, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Catherine Harrington's specialty?
- Catherine Harrington is listed in the NPPES registry with a primary specialty of Adult Health Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Catherine Harrington located?
- Catherine Harrington's practice location on file with NPPES is 950 Winter St, Waltham, MA 02451-1424.
- What is Catherine Harrington's phone number?
- The practice phone number listed in the NPPES registry for Catherine Harrington is (617) 794-5314.
- Does Catherine Harrington accept Medicare?
- Catherine Harrington is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Catherine Harrington's NPI active?
- Yes — Catherine Harrington's NPI (1669862736) is active in the NPPES registry as of the last update on 2023-12-07.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.