Doctor profile · Federal record

Dr. Brian Ash, M.D.

Internal Medicine Physician (CMS: Internal Medicine) · Brighton, MA

  • NPI 1033180385
  • Accepts Medicare
  • 25 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
736 Cambridge St, Mob 505
Brighton, MA 021352907
(617) 782-5316

Credentials & registration

NPPES · NUCC
NPI registered
January 2006 — 20 yrs on file
Profile last updated
February 3, 2016
Year of graduation
2001 — 25 yrs since
Specialty taxonomy
207R00000X — NUCC code
State license (1)
Massachusetts #221467
Medicaid
MA #2075130

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1033180385. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
11
Distinct HCPCS
1
Medicare allowed
$1,560
HCPCS Description Services Patients Avg allowed
G0439 Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit 11 11 $142

In context: peer comparison

Among 14 peers in Brighton Internal Medicine Physician, average services per provider: 113. This provider delivers 0.1× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
480
Patients
76
Total drug cost
$11,471
Drug Type Claims Patients Total cost
Atorvastatin Calcium Generic 83 25 $3,130
Lisinopril Generic 54 17 $438
Omeprazole Generic 45 12 $1,169
Amlodipine Besylate Generic 34 0 $167
Losartan Potassium Generic 34 11 $517
Gabapentin Generic 31 0 $378
Rosuvastatin Calcium Generic 31 11 $1,505
Citalopram Hbr (Citalopram Hydrobromide) Brand 27 0 $213
Albuterol Sulfate Hfa (Albuterol Sulfate) Brand 26 0 $997
Tamsulosin Hcl Generic 25 0 $839

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Brian Ash's medical specialty?
Dr. Brian Ash practices Internal Medicine Physician in Brighton, MA.
Where does Dr. Brian Ash practice?
Dr. Brian Ash practices at 736 Cambridge St, Brighton, MA 021352907. Office phone: 6177825316.
What is Dr. Brian Ash's NPI?
Dr. Brian Ash's National Provider Identifier (NPI) is 1033180385, issued by NPPES.
Does Dr. Brian Ash accept Medicare assignment?
Yes. Dr. Brian Ash accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Brian Ash commonly perform?
Top Medicare-reported procedures in 2023: Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit (HCPCS G0439). Source: CMS Medicare Physician & Other Practitioners file.