Doctor profile · Federal record

Dr. Melchisedek Margaris, MD

Family Medicine Physician (CMS: Family Practice) · Great Falls, MT

  • NPI 1265544183
  • Accepts Medicare
  • MIPS 80.5 / 100 · 2023
  • 39 yrs in practice
  • Male
  • Solo practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
1101 26Th St S
Great Falls, MT 594055161
(406) 455-5000
fax (888) 731-8318

Credentials & registration

NPPES · NUCC
NPI registered
August 2006 — 20 yrs on file
Profile last updated
April 8, 2024
Year of graduation
1987 — 39 yrs since
Specialty taxonomy
207Q00000X — NUCC code
State license (1)
Montana #6592
Medicaid
MT #0087412

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1265544183. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
880
Distinct HCPCS
7
Medicare allowed
$72,228
HCPCS Description Services Patients Avg allowed
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 510 175 $77
99231 Subsequent hospital care with straightforward or low level of medical decision making, per day, if using time, at least 25 minutes 149 77 $49
99239 Hospital discharge day management, more than 30 minutes 91 90 $112
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 66 43 $115
99238 Hospital discharge day management, 30 minutes or less 28 28 $80
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 22 22 $171
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 14 14 $122

In context: peer comparison

Among 14 peers in this city , average services per provider: 83. This provider delivers 11× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$19
Transactions
1
Manufacturers
1
Payer (manufacturer) Industry Txns Amount
Gilead Sciences, Inc. 1 $19.00

By nature of payment

Food and Beverage
$19

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
56
Patients
28
Total drug cost
$546
Drug Type Claims Patients Total cost
Pantoprazole Sodium Generic 20 17 $334
Lisinopril Generic 19 0 $89
Atorvastatin Calcium Generic 17 11 $123

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Melchisedek Margaris's medical specialty?
Dr. Melchisedek Margaris practices Family Medicine Physician in Great Falls, MT.
Where does Dr. Melchisedek Margaris practice?
Dr. Melchisedek Margaris practices at 1101 26Th St S, Great Falls, MT 594055161. Office phone: 4064555000.
What is Dr. Melchisedek Margaris's NPI?
Dr. Melchisedek Margaris's National Provider Identifier (NPI) is 1265544183, issued by NPPES.
Does Dr. Melchisedek Margaris accept Medicare assignment?
Yes. Dr. Melchisedek Margaris accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Melchisedek Margaris commonly perform?
Top Medicare-reported procedures in 2023: Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232); Subsequent hospital care with straightforward or low level of medical decision making (HCPCS 99231); Hospital discharge day management (HCPCS 99239). Source: CMS Medicare Physician & Other Practitioners file.