Doctor profile · Federal record

Dr. Blair Johnson, MD

Internal Medicine Physician (CMS: Internal Medicine) · Hospitalist Physician · Burlington, MA

  • NPI 1891894200
  • Accepts Medicare
  • 30 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
41 Mall RD
Burlington, MA 018050001
(781) 744-8000
fax (781) 744-5348

Credentials & registration

NPPES · NUCC
NPI registered
September 2006 — 20 yrs on file
Profile last updated
December 30, 2011
Year of graduation
1996 — 30 yrs since
Specialty taxonomy
207R00000X — NUCC code
State license (1)
Massachusetts #156389
Medicaid (2)
MA #110060975A · MA #3191877

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1891894200. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
826
Distinct HCPCS
6
Medicare allowed
$73,045
HCPCS Description Services Patients Avg allowed
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 549 177 $78
99239 Hospital discharge day management, more than 30 minutes 119 115 $114
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 79 34 $118
99231 Subsequent hospital care with straightforward or low level of medical decision making, per day, if using time, at least 25 minutes 47 28 $49
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 20 20 $172
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 12 12 $121

In context: peer comparison

Among 33 peers in this city , average services per provider: 114. This provider delivers 7.2× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
47
Patients
12
Total drug cost
$747
Drug Type Claims Patients Total cost
Atorvastatin Calcium Generic 20 0 $344
Levetiracetam Generic 15 0 $368
Prednisone Generic 12 12 $35

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Blair Johnson's medical specialty?
Dr. Blair Johnson practices Internal Medicine Physician in Burlington, MA.
Where does Dr. Blair Johnson practice?
Dr. Blair Johnson practices at 41 Mall RD, Burlington, MA 018050001. Office phone: 7817448000.
What is Dr. Blair Johnson's NPI?
Dr. Blair Johnson's National Provider Identifier (NPI) is 1891894200, issued by NPPES.
Does Dr. Blair Johnson accept Medicare assignment?
Yes. Dr. Blair Johnson accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Blair Johnson commonly perform?
Top Medicare-reported procedures in 2023: Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232); Hospital discharge day management (HCPCS 99239); Subsequent hospital care with moderate levelof medical decision making (HCPCS 99233). Source: CMS Medicare Physician & Other Practitioners file.