John B. Piecyk, M.D.
Specialist · South Weymouth, MA
John B. Piecyk, M.D. is a specialist with a practice address in South Weymouth, Massachusetts, and NPI 1013971290, issued on Apr 14, 2006. Check the license (Massachusetts 155728, as entered in NPPES) with the Massachusetts board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- John B. Piecyk
- Credential
- M.D.
- Primary taxonomy
- Specialist 174400000X
- License number
- 155728 MA
Self-reported in NPPES; status is on the state search - Practice location
- 851 Main St, South Weymouth, MA 02190
- Phone
- (781) 331-4923
- Enumerated
- Apr 14, 2006
- Record last updated
- Aug 1, 2008 (not updated in 18 years: call before relying on the address or phone)
- Medicaid ID
- 9734643 MA
- Medicare enrollment
- Enrolled (PECOS I20080728000365); accepts Medicare assignment
- Medical or professional school
- North Carolina Medical School, 1993
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest specialist records → All 1,096 in Massachusetts → Look up another NPI →
Also registered at 851 Main St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Iraj Aghdasi, M.D.Internal Medicine Physician1154405934
- Paul Blachman, MDNeurology Physician1669462578
- Martin Broff, M.D.Allergy & Immunology Physician1043208192
- Emma Burnick, PA-CPhysician Assistant1760251961
- Donna Chapman, ACNPNurse Practitioner1063711414
- Rajinder Chawla, M.D.Nephrology Physician1407896939
Verify John B. Piecyk in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Massachusetts board licenses this profession
Search for license 155728Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
59% more Medicare Part D claims than the average specialist in 2024
2,193 Medicare Part D claims for 359 beneficiaries, against an average of 1,380 among the 8,233 providers of this specialty who prescribed in Part D. Brand-name drugs were 16% of claims.
Most prescribed
- Gabapentin232 claims
- Donepezil Hcl128 claims
- Levetiracetam108 claims
- Nurtec Odt99 claims
- Memantine Hcl85 claims
- Topiramate85 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
- Brigham And Womens Physicians Organization IncBoston, MA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
John B. Piecyk among 1,096 specialist records in Massachusetts
John B. Piecyk, M.D. is one of 1,096 specialist records with a practice address in Massachusetts. 15% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 10% of them.
- NPI issued2006 · 10% of these records are older, 69% newer
- In a Medicare fileYes · 15% of these records are
- In the CMS Doctors and Clinicians fileYes · 12% of these records are
- Graduated1993 · median 1989 among the 128 with a school on file
- Record last updated2008 · 82% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 174400000X and a Massachusetts practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
14 specialist records list a practice address in South Weymouth
They are 14 of the 445 NPPES records with a practice address in South Weymouth, and 1,096 specialist records in Massachusetts.
All 1,096 in Massachusetts → Every provider in South Weymouth → Specialist nationwide →
The 8 specialist records with the nearest ZIP codes
- Jeffrey Bennett, MDSouth Weymouth, MA 021901811987837
- Stacy Bierly, MSPTSouth Weymouth, MA 021901043224967
- Denis Blais, MDSouth Weymouth, MA 021901245229335
- George Cuchural, M.D.South Weymouth, MA 021901124137484
- Sergio Fefer, M.D.South Weymouth, MA 021901053343574
- John Feldman, MDSouth Weymouth, MA 021901194715110
- William Helfrich, MDSouth Weymouth, MA 021901124017207
- Young Kim, MDSouth Weymouth, MA 021901235240219
Common questions
What is John B. Piecyk, M.D.'s NPI number?
John B. Piecyk, M.D.'s National Provider Identifier (NPI) is 1013971290, issued on Apr 14, 2006. An NPI identifies a provider in billing; it is not a license.
Where is John B. Piecyk, M.D. located?
The NPPES record lists a practice address at 851 Main St, South Weymouth, MA, 02190. Phone: (781) 331-4923. Providers update this record themselves, so call before visiting.
How can I verify John B. Piecyk, M.D.'s license?
NPPES lists Massachusetts license number 155728, as entered by the provider. Search the Massachusetts board that licenses this profession; the NPPES record confirms identity only.
How much does John B. Piecyk, M.D. prescribe under Medicare Part D?
In 2024, John B. Piecyk, M.D. had 2,193 Medicare Part D claims for 359 beneficiaries; the average among specialist prescribers was 1,380. 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.