Doctor profile · Federal record

Dr. Matthew Hallman, M.D.

Anesthesiology Physician (CMS: Anesthesiology) · Critical Care Medicine (Anesthesiology) Physician · Seattle, WA

  • NPI 1992958540
  • Accepts Medicare
  • MIPS 87.0 / 100 · 2023
  • 21 yrs in practice
  • Male
  • Solo practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
325 9Th Ave, Box 359724
Seattle, WA 981042420
(206) 744-4684
Mailing address
1229 Madison St Ste 1440
Seattle, WA 981043538

Credentials & registration

NPPES · NUCC
NPI registered
October 2008 — 18 yrs on file
Profile last updated
December 30, 2014
Year of graduation
2005 — 21 yrs since
Specialty taxonomy
207L00000X — NUCC code
State license (1)
Washington #MD60152419

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1992958540. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
72
Distinct HCPCS
2
Medicare allowed
$7,894
HCPCS Description Services Patients Avg allowed
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 42 23 $127
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 30 20 $85

In context: peer comparison

Among 172 peers in this city , average services per provider: 23. This provider delivers 3.1× the peer median.

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Matthew Hallman's medical specialty?
Dr. Matthew Hallman practices Anesthesiology Physician in Seattle, WA.
Where does Dr. Matthew Hallman practice?
Dr. Matthew Hallman practices at 325 9Th Ave, Seattle, WA 981042420. Office phone: 2067444684.
What is Dr. Matthew Hallman's NPI?
Dr. Matthew Hallman's National Provider Identifier (NPI) is 1992958540, issued by NPPES.
Does Dr. Matthew Hallman accept Medicare assignment?
Yes. Dr. Matthew Hallman accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Matthew Hallman commonly perform?
Top Medicare-reported procedures in 2023: Subsequent hospital care with moderate levelof medical decision making (HCPCS 99233); Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232). Source: CMS Medicare Physician & Other Practitioners file.