Katherine Rosenfield, MD
NPI 1073599221 · Family Medicine Physician · Lynn, MA
Enrolled with Medicare as Practitioner - Family Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Katherine Rosenfield, MD is a Family Medicine Physician provider in Lynn, MA (NPI 1073599221).
Provider details
- NPI number
- 1073599221
- Entity type
- Individual
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- No
- License
- 78252 (MA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
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
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 · 11 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 26 | 13 |
| Amlodipine Besylate | 20 | — |
| Dulaglutidebrand: Trulicity | 20 | — |
| Rosuvastatin Calcium | 19 | — |
| Levothyroxine Sodium | 16 | — |
| Metoprolol Succinate | 15 | — |
Practice location
Mailing address
Registry dates
- Enumerated
- 2005-12-20
- Last updated
- 2013-12-12
Frequently asked questions
- What is Katherine Rosenfield's NPI number?
- Katherine Rosenfield's National Provider Identifier (NPI) is 1073599221, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Katherine Rosenfield's specialty?
- Katherine Rosenfield is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Katherine Rosenfield located?
- Katherine Rosenfield's practice location on file with NPPES is 269 Union St, Lynn, MA 01901-1314.
- What is Katherine Rosenfield's phone number?
- The practice phone number listed in the NPPES registry for Katherine Rosenfield is (781) 581-3900.
- Does Katherine Rosenfield accept Medicare?
- Katherine Rosenfield is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Katherine Rosenfield's NPI active?
- Yes — Katherine Rosenfield's NPI (1073599221) is active in the NPPES registry as of the last update on 2013-12-12.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.