Karen Peterson, PA-C
NPI 1861610610 · Physician Assistant · Weymouth, MA
Enrolled with Medicare as Practitioner - Physician Assistant · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Karen Peterson, PA-C is a Physician Assistant provider in Weymouth, MA (NPI 1861610610).
Provider details
- NPI number
- 1861610610
- Entity type
- Individual
- Primary specialty
- Physician AssistantPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- PA-C
- Sex
- Female
- Sole proprietor
- No
- License
- 290 (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 tenure28% of score
19 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
1,439 Medicare services, 2024 (ranked within specialty)
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 methodology.
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) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 364 | $114 |
| Insertion of Needle Into Vein for Collection of Blood Sample36415 | 305 | $9 |
| Blood Test, Comprehensive Group of Blood Chemicals80053 | 180 | $10 |
| Blood Test, Basic Group of Blood Chemicals (calcium, Total)80048 | 83 | $8 |
| Manual Urinalysis Test With Examination Using Microscope, Automated81001 | 73 | $3 |
| Visit Complexity Inherent to Evaluation and Management Associated With Medical Care Services That Serve As the Continuing Focal Point for All Needed Health Care Services And/Or With Medical Care Services That Are Part of Ongoing Care Related to a Patient'SG2211 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 93 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 334 | 108 |
| Amlodipine Besylate | 211 | 66 |
| Lisinopril | 180 | 58 |
| Omeprazole | 131 | 49 |
| Metoprolol Succinate | 129 | 38 |
| Levothyroxine Sodium | 125 | 43 |
| Gabapentin |
Practice location
Mailing address
Registry dates
- Enumerated
- 2007-04-24
- Last updated
- 2024-02-02
- Certified
- 2024-02-02
Frequently asked questions
- What is Karen Peterson's NPI number?
- Karen Peterson's National Provider Identifier (NPI) is 1861610610, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Karen Peterson's specialty?
- Karen Peterson is listed in the NPPES registry with a primary specialty of Physician Assistant (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Karen Peterson located?
- Karen Peterson's practice location on file with NPPES is 55 Fogg Rd, Weymouth, MA 02190-2432.
- What is Karen Peterson's phone number?
- The practice phone number listed in the NPPES registry for Karen Peterson is (781) 624-8000.
- Does Karen Peterson accept Medicare?
- Karen Peterson is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Karen Peterson's NPI active?
- Yes — Karen Peterson's NPI (1861610610) is active in the NPPES registry as of the last update on 2024-02-02.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.