Agnieszka K. Buniowska-Popiolek, M.D.
Internal Medicine Physician · Franklin, MA
Agnieszka K. Buniowska-Popiolek, M.D. is an internal medicine physician with a practice address in Franklin, Massachusetts, and NPI 1992127369, issued on Jan 20, 2014. Check the license (Massachusetts 259382, as entered in NPPES) on the Massachusetts Board of Registration in Medicine; the Medicare figures below come from public CMS files.
- Name
- Agnieszka K. Buniowska-Popiolek
- Credential
- M.D.
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 259382 MA
Self-reported in NPPES; status is on the state search - Practice location
- 1280 W Central St Ste 301, Franklin, MA 02038
- Phone
- (508) 528-2700
- Enumerated
- Jan 20, 2014
- Record last updated
- Oct 28, 2025
- Fax
- (508) 528-5759
- Medicare enrollment
- Enrolled (PECOS I20141022001815); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 6,825 in Massachusetts → Look up another NPI →
Also registered at 1280 W Central St Ste 301
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Vidya Dixit, M.D.Internal Medicine Physician1790125045
- Shannon Ellis, NPNurse Practitioner1821750779
- Glen Ollis, NPNurse Practitioner1235641143
- Suzanne Ragonese, ANPAdult Health Nurse Practitioner1073614269
- Elyssar Saad, FNP-BCNurse Practitioner1497317531
Verify Agnieszka K. Buniowska-Popiolek in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMassachusetts Board of Registration in Medicine
Search for license 259382Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
75% more Medicare Part D claims than the average internal medicine physician in 2024
5,551 Medicare Part D claims for 471 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 8% of claims. 184 claims were for opioids.
Most prescribed
- Atorvastatin Calcium418 claims
- Levothyroxine Sodium287 claims
- Omeprazole226 claims
- Lisinopril214 claims
- Amlodipine Besylate187 claims
- Hydrochlorothiazide154 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.
Industry payments in 2024: $72.15
1 payment: food and beverage; the largest payer was Inspire Medical Systems, Inc. The 50,334 providers of this specialty with any payment received $1,303.06 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through 2 group practices
- Milford Regional Physician Group, Inc.Franklin, MA
- Umass Memorial Medical Group IncFranklin, MA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Agnieszka K. Buniowska-Popiolek among 6,825 internal medicine physician records in Massachusetts
Agnieszka K. Buniowska-Popiolek, M.D. is one of 6,825 internal medicine physician records with a practice address in Massachusetts. 75% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2014, is newer than 72% of them.
- NPI issued2014 · 72% of these records are older, 26% newer
- In a Medicare fileYes · 75% of these records are
- In the CMS Doctors and Clinicians fileYes · 60% of these records are
- Graduated2010 · median 2004 among the 4,103 with a school on file
- Record last updated2025 · 64% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a Massachusetts practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
10 internal medicine physician records list a practice address in Franklin
They are 10 of the 485 NPPES records with a practice address in Franklin, and 6,825 internal medicine physician records in Massachusetts.
All 6,825 in Massachusetts → Every provider in Franklin → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Luis Carreiro, M.D.Franklin, MA 020381356372395
- Gary Coles, MDFranklin, MA 020381841285632
- Susan Connors, M.D.Franklin, MA 020381811934094
- Thorley Cook, D.O.Franklin, MA 020381841221876
- Vidya Dixit, M.D.Franklin, MA 020381790125045
- Eric Kohler, M.D.Franklin, MA 020381720015357
- Darrolyn McCarroll, MDFranklin, MA 020381588655013
- Mary Medeiros, MD, MPHFranklin, MA 020381346396561
Common questions
What is Agnieszka K. Buniowska-Popiolek, M.D.'s NPI number?
Agnieszka K. Buniowska-Popiolek, M.D.'s National Provider Identifier (NPI) is 1992127369, issued on Jan 20, 2014. An NPI identifies a provider in billing; it is not a license.
Where is Agnieszka K. Buniowska-Popiolek, M.D. located?
The NPPES record lists a practice address at 1280 W Central St Ste 301, Franklin, MA, 02038. Phone: (508) 528-2700. Providers update this record themselves, so call before visiting.
How can I verify Agnieszka K. Buniowska-Popiolek, M.D.'s license?
NPPES lists Massachusetts license number 259382, 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 K. Buniowska-Popiolek, M.D. prescribe under Medicare Part D?
In 2024, Agnieszka K. Buniowska-Popiolek, M.D. had 5,551 Medicare Part D claims for 471 beneficiaries; the average among internal medicine physician prescribers was 3,176. 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.