Doctor profile · Federal record

Dr. Michael Allison, MD

Critical Care Medicine (Internal Medicine) Physician (CMS: Critical Care (Intensivists)) · Baltimore, MD

  • NPI 1700011558
  • Accepts Medicare
  • MIPS 89.3 / 100 · 2023
  • 17 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
900 S Caton Ave
Baltimore, MD 212295201
(667) 234-3201
fax (410) 368-3529

Credentials & registration

NPPES · NUCC
NPI registered
May 2009 — 17 yrs on file
Profile last updated
October 23, 2021
Year of graduation
2009 — 17 yrs since
Specialty taxonomy
207RC0200X — NUCC code
State license (1)
Maryland #D79728

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1700011558. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
430
Distinct HCPCS
7
Medicare allowed
$69,496
HCPCS Description Services Patients Avg allowed
99291 Critical care, first 30-74 minutes 171 110 $225
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 113 67 $124
99292 Critical care, each additional 30 minutes 53 22 $113
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 35 31 $83
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 25 25 $183
36556 Insertion of non-tunneled central venous tube for infusion (5 years or older) 22 20 $89
31500 Emergent insertion of breathing tube into windpipe using an endoscope 11 11 $150

In context: peer comparison

Among 36 peers in this city , average services per provider: 65. This provider delivers 6.6× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$340
Transactions
2
Manufacturers
2
Payer (manufacturer) Industry Txns Amount
Inari Medical, Inc. 1 $216.17
La Jolla Pharmaceutical Company 1 $124.07

By nature of payment

Food and Beverage
$340

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Michael Allison's medical specialty?
Dr. Michael Allison practices Critical Care Medicine (Internal Medicine) Physician in Baltimore, MD.
Where does Dr. Michael Allison practice?
Dr. Michael Allison practices at 900 S Caton Ave, Baltimore, MD 212295201. Office phone: 6672343201.
What is Dr. Michael Allison's NPI?
Dr. Michael Allison's National Provider Identifier (NPI) is 1700011558, issued by NPPES.
Does Dr. Michael Allison accept Medicare assignment?
Yes. Dr. Michael Allison accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Michael Allison commonly perform?
Top Medicare-reported procedures in 2023: Critical care (HCPCS 99291); Subsequent hospital care with moderate levelof medical decision making (HCPCS 99233); Critical care (HCPCS 99292). Source: CMS Medicare Physician & Other Practitioners file.