Agnieszka Snioch, MD
NPI 1437135720 · Family Medicine Physician · Leominster, MA
Enrolled with Medicare as Practitioner - Family Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Agnieszka Snioch, MD is a Family Medicine Physician provider in Leominster, MA (NPI 1437135720).
Provider details
- NPI number
- 1437135720
- Entity type
- Individual
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- No
- License
- 224420 (MA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
20 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
333 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 | 113 | $130 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 100 | $90 |
| Annual Wellness Visit, Includes a Personalized Prevention Plan of Service (pps), Subsequent VisitG0439 | 54 | $131 |
| Administration of Influenza Virus VaccineG0008 | 31 | $33 |
| Admn Sarscov2 Vacc 1 Dose90480 | 23 | $44 |
| Established Patient Office Or Other Outpatient Visit With High Level of Medical Decision Making, If Using Time, 40 Minutes Or More99215 | 12 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 112 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 682 | 188 |
| Amlodipine Besylate | 290 | 72 |
| Levothyroxine Sodium | 286 | 75 |
| Omeprazole | 236 | 63 |
| Losartan Potassium | 232 | 52 |
| Metoprolol Succinate | 180 | 43 |
| Lisinopril |
Practice location
Mailing address
Registry dates
- Enumerated
- 2005-12-19
- Last updated
- 2018-12-11
Frequently asked questions
- What is Agnieszka Snioch's NPI number?
- Agnieszka Snioch's National Provider Identifier (NPI) is 1437135720, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Agnieszka Snioch's specialty?
- Agnieszka Snioch is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Agnieszka Snioch located?
- Agnieszka Snioch's practice location on file with NPPES is 225 New Lancaster Rd, Leominster, MA 01453-4958.
- What is Agnieszka Snioch's phone number?
- The practice phone number listed in the NPPES registry for Agnieszka Snioch is (978) 466-3208.
- Does Agnieszka Snioch accept Medicare?
- Agnieszka Snioch is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Agnieszka Snioch's NPI active?
- Yes — Agnieszka Snioch's NPI (1437135720) is active in the NPPES registry as of the last update on 2018-12-11.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.