Doctor profile · Federal record

Dr. Matthew Diehl, MD

Internal Medicine Physician (CMS: Hospitalist) · Internal Medicine Physician · Hospitalist Physician · Minneapolis, MN

  • NPI 1548529654
  • Accepts Medicare
  • MIPS 93.6 / 100 · 2023
  • 14 yrs in practice
  • Licensed in 2 states
  • Male
  • Group practice
  • No sanctions

Practice & contact

Operates at 4 locations .

NPPES Updated May 11, 2026
Primary practice
2450 Riverside Ave
Minneapolis, MN 554543108
(612) 672-6000
Additional location
20103 Lake Chabot RD
Castro Valley, CA 945465305
(510) 727-3256
fax (510) 727-3107
Additional location
2450 Ashby Ave Rm 2308
Berkeley, CA 947052067
(510) 204-1893
fax (510) 649-8287
Show 1 more location
Additional location
350 Hawthorne Ave, Room 2346
Oakland, CA 946093108
(510) 869-6883
fax (510) 869-6888
Mailing address
325 Distel Cir
Los Altos, CA 940221408

Credentials & registration

NPPES · NUCC
NPI registered
May 2012 — 14 yrs on file
Profile last updated
September 23, 2024
Year of graduation
2012 — 14 yrs since
Specialty taxonomy
207R00000X — NUCC code
State licenses (2)
Minnesota #66321 · California #A146697
Medicaid
CO #00327034

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1548529654. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
393
Distinct HCPCS
4
Medicare allowed
$39,633
HCPCS Description Services Patients Avg allowed
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 177 63 $112
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 150 55 $74
99239 Hospital discharge day management, more than 30 minutes 38 38 $108
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 28 28 $165

In context: peer comparison

Among 189 peers in Minneapolis Internal Medicine Physician, average services per provider: 95. This provider delivers 4.1× the peer median.

Frequently asked questions

Auto-generated from federal data
What is Dr. Matthew Diehl's medical specialty?
Dr. Matthew Diehl practices Internal Medicine Physician in Minneapolis, MN.
Where does Dr. Matthew Diehl practice?
Dr. Matthew Diehl practices at 2450 Riverside Ave, Minneapolis, MN 554543108. Office phone: 6126726000.
What is Dr. Matthew Diehl's NPI?
Dr. Matthew Diehl's National Provider Identifier (NPI) is 1548529654, issued by NPPES.
Does Dr. Matthew Diehl accept Medicare assignment?
Yes. Dr. Matthew Diehl accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Matthew Diehl 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); Hospital discharge day management (HCPCS 99239). Source: CMS Medicare Physician & Other Practitioners file.