Donald Jin Sonn, M.D.
Urology Physician · Springfield, MA
Donald Jin Sonn, M.D. is a urology physician with a practice address in Springfield, Massachusetts, and NPI 1821078296, issued on Jan 20, 2006. Check the license (Massachusetts 154091, as entered in NPPES) on the Massachusetts Board of Registration in Medicine; the Medicare figures below come from public CMS files.
- Name
- Donald Jin Sonn
- Credential
- M.D.
- Primary taxonomy
- Urology Physician 208800000X
- License numbers
- 154091 MA
075900 CT
Self-reported in NPPES; status is on the state search - Practice location
- 3640 Main St, Springfield, MA 01107
- Phone
- (413) 785-5321
- Enumerated
- Jan 20, 2006
- Record last updated
- Aug 18, 2025
- Fax
- (413) 731-7130
- Medicare enrollment
- Enrolled (PECOS I20080929000397); accepts Medicare assignment
- Medical or professional school
- Albert Einstein College Of Medicine Of Yeshiva University, 1991
- Entity
- Type 1 · individual
8 nearest urology physician records → All 377 in Massachusetts → Look up another NPI →
Also registered at 3640 Main St
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Francesca Carlucci, P.A.Medical Physician Assistant1508846981
- Albert Cennerazzo, M.D.Internal Medicine Physician1528092285
- Sandy ChambersOptician1598057556
- Raphael Delima, M.D.Urology Physician1801876271
- Gregory Faust, M.D.Specialist1164417929
Verify Donald Jin Sonn in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMassachusetts Board of Registration in Medicine
Search for license 154091Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
27% fewer Medicare Part D claims than the average urology physician in 2024
980 Medicare Part D claims for 410 beneficiaries, against an average of 1,340 among the 10,782 providers of this specialty who prescribed in Part D. 67 claims were for opioids.
Most prescribed
- Tamsulosin Hcl344 claims
- Alfuzosin Hcl Er83 claims
- Finasteride74 claims
- Gemtesa64 claims
- Tramadol Hcl63 claims
- Sulfamethoxazole-Trimethoprim37 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.
The practice group's MIPS final score for 2023 (Medicare payment program): 100 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).
Industry payments in 2024: $792.21
15 payments; by number, the most common kind was food and beverage; the largest payer was Procept BioRobotics Corporation. The 9,340 providers of this specialty with any payment received $3,800.04 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
- Lgh Medical Group, Inc.Chelmsford, MA
- Urology Group OF Western New England, P.C.Springfield, MA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Donald Jin Sonn among 377 urology physician records in Massachusetts
Donald Jin Sonn, M.D. is one of 377 urology physician records with a practice address in Massachusetts. 77% 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 15% of them.
- NPI issued2006 · 15% of these records are older, 47% newer
- In a Medicare fileYes · 77% of these records are
- In the CMS Doctors and Clinicians fileYes · 65% of these records are
- Graduated1991 · median 2002 among the 244 with a school on file
- Record last updated2025 · 65% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 208800000X and a Massachusetts practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Urology Physician providers in Massachusetts
There are 377 urology physician records in Massachusetts.
All 377 in Massachusetts → Every provider in Springfield → Urology Physician nationwide →
The 8 urology physician records with the nearest ZIP codes
- Alexander Berry, M.D.Springfield, MA 011071013019439
- Joseph Decenzo, MDSpringfield, MA 011071346315132
- Raphael Delima, M.D.Springfield, MA 011071801876271
- Oscar Elguero, M.D.Springfield, MA 011071154378883
- Stephen Gallo, M.D.Springfield, MA 011071013076546
- Susan Glover, M.D.Springfield, MA 011071912977026
- David Kelley, MDSpringfield, MA 011071427121714
- Mohammad Mostafavi, M.D.Springfield, MA 011071649240755
Common questions
What is Donald Jin Sonn, M.D.'s NPI number?
Donald Jin Sonn, M.D.'s National Provider Identifier (NPI) is 1821078296, issued on Jan 20, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Donald Jin Sonn, M.D. located?
The NPPES record lists a practice address at 3640 Main St, Springfield, MA, 01107. Phone: (413) 785-5321. Providers update this record themselves, so call before visiting.
How can I verify Donald Jin Sonn, M.D.'s license?
NPPES lists Massachusetts license number 154091, 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 Donald Jin Sonn, M.D. prescribe under Medicare Part D?
In 2024, Donald Jin Sonn, M.D. had 980 Medicare Part D claims for 410 beneficiaries; the average among urology physician prescribers was 1,340. Part D covers Medicare prescriptions only.
What is Donald Jin Sonn, M.D.'s MIPS final score?
The 2023 MIPS final score is 100 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.