Nizam Ud Din
Internal Medicine Physician · Southbridge, MA
Nizam Ud Din is an internal medicine physician with a practice address in Southbridge, Massachusetts, and NPI 1861659625, issued on May 20, 2008. Check the license (Massachusetts 238494, as entered in NPPES) on the Massachusetts Board of Registration in Medicine; the Medicare figures below come from public CMS files.
- Name
- Nizam Ud Din
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License numbers
- 238494 MA
0101266349 VA
Self-reported in NPPES; status is on the state search - Practice location
- 100 South St, Southbridge, MA 01550
- Phone
- (508) 765-9771
- Enumerated
- May 20, 2008
- Record last updated
- May 1, 2023
- Fax
- (508) 909-7735
- Medicare enrollment
- Enrolled (PECOS I20200221002212); 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 100 South St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Dianne Aguirre, PAPhysician Assistant1659874121
- Joseph Amegah, M SMental Health Counselor1972625358
- Cheryl Amodeo, RNCase Management Registered Nurse1821134172
- Alan Anderson, C.R.N.A.Certified Registered Nurse Anesthetist1891713160
- Mary Banda, MDInternal Medicine Physician1265481311
- Janet Baum, M.D.Diagnostic Radiology Physician1053392944
Verify Nizam Ud Din in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMassachusetts Board of Registration in Medicine
Search for license 238494Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
The practice group's MIPS final score for 2023 (Medicare payment program): 56.1 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Bills Medicare through one group practice
- Vituity-Virginia Hospitalists PCMidlothian, VA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Nizam Ud Din among 6,825 internal medicine physician records in Massachusetts
Nizam Ud Din 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 2008, is newer than 55% of them.
- NPI issued2008 · 55% of these records are older, 40% newer
- In a Medicare fileYes · 75% of these records are
- In the CMS Doctors and Clinicians fileYes · 60% of these records are
- Graduated2002 · median 2004 among the 4,103 with a school on file
- Record last updated2023 · 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).
14 internal medicine physician records list a practice address in Southbridge
They are 14 of the 546 NPPES records with a practice address in Southbridge, and 6,825 internal medicine physician records in Massachusetts.
All 6,825 in Massachusetts → Every provider in Southbridge → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Mary Banda, MDSouthbridge, MA 015501265481311
- William Dunn, D.O.Southbridge, MA 015501043246978
- Patrick Duplan, MDSouthbridge, MA 015501124656285
- Vladas Litani, MDSouthbridge, MA 015501528072360
- Suresh Mamidala, M.DSouthbridge, MA 015501437394350
- Issam Oneyssi, M.D.Southbridge, MA 015501528026622
- Adam Paszkowski, M.D.Southbridge, MA 015501306872452
- Francis Powers, M.D.Southbridge, MA 015501811905516
Common questions
What is Nizam Ud Din's NPI number?
Nizam Ud Din's National Provider Identifier (NPI) is 1861659625, issued on May 20, 2008. An NPI identifies a provider in billing; it is not a license.
Where is Nizam Ud Din located?
The NPPES record lists a practice address at 100 South St, Southbridge, MA, 01550. Phone: (508) 765-9771. Providers update this record themselves, so call before visiting.
How can I verify Nizam Ud Din's license?
NPPES lists Massachusetts license number 238494, 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.
What is Nizam Ud Din's MIPS final score?
The 2023 MIPS final score is 56.1 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.
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.