Doctor profile · Federal record

Dr. Michael Bierer, MD

Addiction Medicine (Internal Medicine) Physician (CMS: Addiction Medicine) · Internal Medicine Physician · Boston, MA

  • NPI 1376527697
  • Accepts Medicare
  • 41 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
15 Parkman St, Internal Medicine Associates Team 2 Wac 6
Boston, MA 021143117
(617) 724-6200
fax (617) 724-0393
Mailing address
Po Box 9142, Mass General Physician Organization
Charlestown, MA 021299142

Credentials & registration

NPPES · NUCC
NPI registered
November 2005 — 21 yrs on file
Profile last updated
September 21, 2022
Year of graduation
1985 — 41 yrs since
Specialty taxonomy
207RA0401X — NUCC code
State license (1)
Massachusetts #57842
Medicaid
MA #3055825

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1376527697. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
184
Distinct HCPCS
4
Medicare allowed
$23,474
HCPCS Description Services Patients Avg allowed
99215 Established patient office or other outpatient visit, 40-54 minutes 97 52 $153
99214 Established patient office or other outpatient visit, 30-39 minutes 39 31 $104
99443 Telephone medical discussion with physician, 21-30 minutes 37 22 $103
99213 Established patient office or other outpatient visit, 20-29 minutes 11 11 $71

In context: peer comparison

Among 1 peers in Boston Addiction Medicine (Internal Medicine) Physician, average services per provider: 46. This provider delivers 4.0× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
992
Patients
277
Total drug cost
$73,949
Drug Type Claims Patients Total cost
Atorvastatin Calcium Generic 156 54 $2,970
Buprenorphine-Naloxone (Buprenorphine Hcl/Naloxone Hcl) Brand 116 13 $20,738
Amlodipine Besylate Generic 88 25 $681
Omeprazole Generic 77 27 $2,086
Lisinopril Generic 68 26 $775
Losartan Potassium Generic 61 18 $1,076
Metformin Hcl Generic 60 18 $586
Hydrochlorothiazide Generic 56 22 $282
Atenolol Generic 55 19 $768
Clonazepam Generic 51 0 $300

Frequently asked questions

Auto-generated from federal data
What is Dr. Michael Bierer's medical specialty?
Dr. Michael Bierer practices Addiction Medicine (Internal Medicine) Physician in Boston, MA.
Where does Dr. Michael Bierer practice?
Dr. Michael Bierer practices at 15 Parkman St, Boston, MA 021143117. Office phone: 6177246200.
What is Dr. Michael Bierer's NPI?
Dr. Michael Bierer's National Provider Identifier (NPI) is 1376527697, issued by NPPES.
Does Dr. Michael Bierer accept Medicare assignment?
Yes. Dr. Michael Bierer accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Michael Bierer commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99215); Established patient office or other outpatient visit (HCPCS 99214); Telephone medical discussion with physician (HCPCS 99443). Source: CMS Medicare Physician & Other Practitioners file.