Brian Sou, MD
Pain Medicine (Anesthesiology) Physician · Boston, MA
Brian Sou, MD is a pain medicine (anesthesiology) physician with a practice address in Boston, Massachusetts, and NPI 1235692021, issued on Apr 9, 2019. Check the license (Massachusetts 291873, as entered in NPPES) on the Massachusetts Board of Registration in Medicine; the Medicare figures below come from public CMS files.
- Name
- Brian Sou
- Credential
- MD
- Primary taxonomy
- Pain Medicine (Anesthesiology) Physician 207LP2900X
- License number
- 291873 MA
Self-reported in NPPES; status is on the state search - Practice location
- 75 Francis Street, Cwn L1, Boston, MA 02115
- Phone
- (917) 991-9912
- Enumerated
- Apr 9, 2019
- Record last updated
- Jul 21, 2026
- Medicare enrollment
- Enrolled (PECOS I20230626000496); accepts Medicare assignment
- Medical or professional school
- New York University School Of Medicine, 2019
- Entity
- Type 1 · individual
8 nearest pain medicine (anesthesiology) physician records → All 121 in Massachusetts → Look up another NPI →
Also registered at 75 Francis Street, Cwn L1
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Sarah Boden, PHARMD, MDAnesthesiology Physician1609403450
- Matthew McCormick, M.D.Anesthesiology Physician1619322336
- Joy TanAnesthesiology Physician1215564927
- Ian Zheng, MDAnesthesiology Physician1184184111
Verify Brian Sou in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMassachusetts Board of Registration in Medicine
Search for license 291873Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
94% fewer Medicare Part D claims than the average pain medicine (anesthesiology) physician in 2024
111 Medicare Part D claims for 53 beneficiaries, against an average of 1,750 among the 2,982 providers of this specialty who prescribed in Part D. 37 claims were for opioids.
Most prescribed
- Oxycodone Hcl16 claims
- Pregabalin15 claims
- Gabapentin11 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: $2,943.42
30 payments; by number, the most common kind was food and beverage; the largest payer was Boston Scientific Corporation. The 2,789 providers of this specialty with any payment received $3,225.41 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 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).
Brian Sou among 121 pain medicine (anesthesiology) physician records in Massachusetts
Brian Sou, MD is one of 121 pain medicine (anesthesiology) physician records with a practice address in Massachusetts. 83% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2019, is newer than 93% of them.
- NPI issued2019 · 93% of these records are older, 5% newer
- In a Medicare fileYes · 83% of these records are
- In the CMS Doctors and Clinicians fileYes · 73% of these records are
- Graduated2019 · median 2005 among the 88 with a school on file
- Record last updated2026 · 42% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207LP2900X and a Massachusetts practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Pain Medicine (Anesthesiology) Physician providers in Massachusetts
There are 121 pain medicine (anesthesiology) physician records in Massachusetts.
All 121 in Massachusetts → Every provider in Boston → Pain Medicine (Anesthesiology) Physician nationwide →
The 8 pain medicine (anesthesiology) physician records with the nearest ZIP codes
- Charles Berde, MD, PHDBoston, MA 021151356318018
- Galina Davidyuk, M.D., PH.D.Boston, MA 021151073681508
- Christopher Gilligan, MDBoston, MA 021151871798397
- Maria Hernandez Malaquina, M.D.Boston, MA 021151023466745
- Alexander Kim, M.D.Boston, MA 021151194082727
- Brenda Lee, M.D.Boston, MA 021151134513534
- Yuan-Chi Lin, MD, MPHBoston, MA 021151467412692
- Sarah Low, M.D.Boston, MA 021151265895841
Common questions
What is Brian Sou, MD's NPI number?
Brian Sou, MD's National Provider Identifier (NPI) is 1235692021, issued on Apr 9, 2019. An NPI identifies a provider in billing; it is not a license.
Where is Brian Sou, MD located?
The NPPES record lists a practice address at 75 Francis Street, Cwn L1, Boston, MA, 02115. Phone: (917) 991-9912. Providers update this record themselves, so call before visiting.
How can I verify Brian Sou, MD's license?
NPPES lists Massachusetts license number 291873, 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 Brian Sou, MD prescribe under Medicare Part D?
In 2024, Brian Sou, MD had 111 Medicare Part D claims for 53 beneficiaries; the average among pain medicine (anesthesiology) physician prescribers was 1,750. 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.