Susan Kellogg, PA
NPI 1154301091 · Physician Assistant · Westborough, MA
Enrolled with Medicare as Practitioner - Physician Assistant · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Susan Kellogg, PA is a Physician Assistant provider in Westborough, MA (NPI 1154301091).
Provider details
- NPI number
- 1154301091
- Entity type
- Individual
- Primary specialty
- Physician AssistantPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- PA
- Sex
- Female
- Sole proprietor
- No
- License
- 275 (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
20 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
2 documented practice locations
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 · 37 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 167 | 80 |
| Amlodipine Besylate | 99 | 42 |
| Levothyroxine Sodium | 61 | 30 |
| Losartan Potassium | 59 | 21 |
| Lisinopril | 58 | 38 |
| Hydrochlorothiazide | 56 | 28 |
| Omeprazole | 50 |
Practice location
Mailing address
Additional practice locations (1)
- 106 E Main StWestborough, MA 01581-1417Phone: (508) 871-0700Fax: (508) 616-4411
Registry dates
- Enumerated
- 2006-01-18
- Last updated
- 2018-03-09
Frequently asked questions
- What is Susan Kellogg's NPI number?
- Susan Kellogg's National Provider Identifier (NPI) is 1154301091, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Susan Kellogg's specialty?
- Susan Kellogg is listed in the NPPES registry with a primary specialty of Physician Assistant (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Susan Kellogg located?
- Susan Kellogg's practice location on file with NPPES is 900 Union St, Westborough, MA 01581-5408.
- What is Susan Kellogg's phone number?
- The practice phone number listed in the NPPES registry for Susan Kellogg is (508) 871-0700.
- Does Susan Kellogg accept Medicare?
- Susan Kellogg is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Susan Kellogg's NPI active?
- Yes — Susan Kellogg's NPI (1154301091) is active in the NPPES registry as of the last update on 2018-03-09.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.