Doctor profile · Federal record

Dr. Mark Welch, MD

Internal Medicine Physician (CMS: Internal Medicine) · Kalispell, MT

  • NPI 1164561619
  • Accepts Medicare
  • 37 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
310 Sunnyview Ln
Kalispell, MT 599013129
(406) 751-5310

Credentials & registration

NPPES · NUCC
NPI registered
February 2007 — 19 yrs on file
Profile last updated
November 27, 2023
Year of graduation
1989 — 37 yrs since
Specialty taxonomy
207R00000X — NUCC code
State license (1)
Montana #8817
Medicaid
MT #0066946

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1164561619. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
982
Distinct HCPCS
4
Medicare allowed
$22,607
HCPCS Description Services Patients Avg allowed
93010 Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only 807 626 $8
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 87 39 $78
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 55 28 $119
99238 Hospital discharge day management, 30 minutes or less 33 33 $81

In context: peer comparison

Among 14 peers in this city , average services per provider: 119. This provider delivers 8.3× the peer median.

Frequently asked questions

Auto-generated from federal data
What is Dr. Mark Welch's medical specialty?
Dr. Mark Welch practices Internal Medicine Physician in Kalispell, MT.
Where does Dr. Mark Welch practice?
Dr. Mark Welch practices at 310 Sunnyview Ln, Kalispell, MT 599013129. Office phone: 4067515310.
What is Dr. Mark Welch's NPI?
Dr. Mark Welch's National Provider Identifier (NPI) is 1164561619, issued by NPPES.
Does Dr. Mark Welch accept Medicare assignment?
Yes. Dr. Mark Welch accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Mark Welch commonly perform?
Top Medicare-reported procedures in 2023: Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only (HCPCS 93010); Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232); Subsequent hospital care with moderate levelof medical decision making (HCPCS 99233). Source: CMS Medicare Physician & Other Practitioners file.