Agnieszka B. Snioch, MD
Family Medicine Physician · Leominster, MA
Agnieszka B. Snioch, MD is a family medicine physician with a practice address in Leominster, Massachusetts, and NPI 1437135720, issued on Dec 19, 2005. Check the license (Massachusetts 224420, as entered in NPPES) on the Massachusetts Board of Registration in Medicine; the Medicare figures below come from public CMS files.
- Name
- Agnieszka B. Snioch
- Credential
- MD
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License number
- 224420 MA
Self-reported in NPPES; status is on the state search - Practice location
- 225 New Lancaster RD, Leominster, MA 01453
- Phone
- (978) 466-3208
- Enumerated
- Dec 19, 2005
- Record last updated
- Dec 11, 2018 (not updated in 8 years: call before relying on the address or phone)
- Fax
- (978) 840-1680
- Medicaid ID
- 110041556A MA
- Medicare enrollment
- Enrolled (PECOS I20050914000445); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest family medicine physician records → All 2,265 in Massachusetts → Look up another NPI →
Also registered at 225 New Lancaster RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Andrew Ahearn, NPRegistered Nurse1598309932
- Maria Alatalo, PTPhysical Therapist1245219112
- Kathryn Allen, LICSWSocial Worker1427505916
- Shawna Baker, DNPFamily Nurse Practitioner1912627399
- Amy Chau, NPFamily Nurse Practitioner1235840356
- Pamela Demar, FNP-BCFamily Nurse Practitioner1124358916
Verify Agnieszka B. Snioch in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMassachusetts Board of Registration in Medicine
Search for license 224420Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
86% more Medicare Part D claims than the average family medicine physician in 2024
6,588 Medicare Part D claims for 459 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. Brand-name drugs were 11% of claims. 128 claims were for opioids.
Most prescribed
- Atorvastatin Calcium682 claims
- Amlodipine Besylate290 claims
- Levothyroxine Sodium286 claims
- Omeprazole236 claims
- Losartan Potassium232 claims
- Metoprolol Succinate180 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Bills Medicare through one group practice
- Reliant Medical Group IncLeominster, MA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Agnieszka B. Snioch among 2,265 family medicine physician records in Massachusetts
Agnieszka B. Snioch, MD is one of 2,265 family medicine physician records with a practice address in Massachusetts. 80% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2005, is newer than 0% of them.
- NPI issued2005 · 0% of these records are older, 86% newer
- In a Medicare fileYes · 80% of these records are
- In the CMS Doctors and Clinicians fileYes · 68% of these records are
- Graduated1995 · median 2006 among the 1,529 with a school on file
- Record last updated2018 · 59% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207Q00000X and a Massachusetts practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
36 family medicine physician records list a practice address in Leominster
They are 36 of the 1,151 NPPES records with a practice address in Leominster, and 2,265 family medicine physician records in Massachusetts.
All 2,265 in Massachusetts → Every provider in Leominster → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
- David Ammerman, MDLeominster, MA 014531730160169
- Felix Chang Cruz, M.D.Leominster, MA 014531336107846
- April Cyr, MDLeominster, MA 014531144202664
- Joseph Difranza, M.D.Leominster, MA 014531093798902
- Jennifer Hartman, MDLeominster, MA 014531861481160
- Dean Morrel, D.O.Leominster, MA 014531598756769
- Toral Parikh, MDLeominster, MA 014531992785919
- William Parker, MDLeominster, MA 014531598733511
Common questions
What is Agnieszka B. Snioch, MD's NPI number?
Agnieszka B. Snioch, MD's National Provider Identifier (NPI) is 1437135720, issued on Dec 19, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Agnieszka B. Snioch, MD located?
The NPPES record lists a practice address at 225 New Lancaster RD, Leominster, MA, 01453. Phone: (978) 466-3208. Providers update this record themselves, so call before visiting.
How can I verify Agnieszka B. Snioch, MD's license?
NPPES lists Massachusetts license number 224420, as entered by the provider. Search the Massachusetts Board of Registration in Medicine at https://findmydoctor.mass.gov/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Agnieszka B. Snioch, MD prescribe under Medicare Part D?
In 2024, Agnieszka B. Snioch, MD had 6,588 Medicare Part D claims for 459 beneficiaries; the average among family medicine physician prescribers was 3,544. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.