Doctor profile · Federal record

Dr. Nabiya Siddiqui, MD

Infectious Disease Physician (CMS: Infectious Disease) · Great Falls, MT

  • NPI 1518451640
  • Accepts Medicare
  • MIPS 80.5 / 100 · 2023
  • 11 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

Operates at 2 locations .

NPPES Updated May 11, 2026
Primary practice
2800 11Th Ave S Ste 29
Great Falls, MT 594055263
(406) 731-8851
fax (406) 731-8318
Additional location
2157 Main St
Buffalo, NY 142142692
(716) 862-1000
Mailing address
1401 25Th St S
Great Falls, MT 594055183

Credentials & registration

NPPES · NUCC
NPI registered
June 2018 — 8 yrs on file
Profile last updated
November 4, 2025
Year of graduation
2015 — 11 yrs since
Specialty taxonomy
207RI0200X — NUCC code
State license (1)
Montana #114298

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1518451640. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
131
Distinct HCPCS
2
Medicare allowed
$12,372
HCPCS Description Services Patients Avg allowed
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 88 35 $78
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 43 41 $128

In context: peer comparison

Among 2 peers in this city , average services per provider: 38. This provider delivers 3.4× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$16
Transactions
1
Manufacturers
1
Payer (manufacturer) Industry Txns Amount
Insmed, Inc. 1 $15.97

By nature of payment

Food and Beverage
$16

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Nabiya Siddiqui's medical specialty?
Dr. Nabiya Siddiqui practices Infectious Disease Physician in Great Falls, MT.
Where does Dr. Nabiya Siddiqui practice?
Dr. Nabiya Siddiqui practices at 2800 11Th Ave S Ste 29, Great Falls, MT 594055263. Office phone: 4067318851.
What is Dr. Nabiya Siddiqui's NPI?
Dr. Nabiya Siddiqui's National Provider Identifier (NPI) is 1518451640, issued by NPPES.
Does Dr. Nabiya Siddiqui accept Medicare assignment?
Yes. Dr. Nabiya Siddiqui accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Nabiya Siddiqui commonly perform?
Top Medicare-reported procedures in 2023: Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232); Initial hospital care with straightforward or low-level medical decision making (HCPCS 99222). Source: CMS Medicare Physician & Other Practitioners file.