Doctor profile · Federal record

Dr. Andrew Fischer, M.D.

Pulmonary Disease Physician (CMS: Pulmonary Disease) · Internal Medicine Physician · Critical Care Medicine (Internal Medicine) Physician · Critical Care Medicine (Internal Medicine) Physician · Pulmonary Disease Physician · Pulmonary Disease Physician · Student in an Organized Health Care Education/Training Program · Billings, MT

  • NPI 1962473553
  • Accepts Medicare
  • 37 yrs in practice
  • Licensed in 3 states
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
801 N 29Th St
Billings, MT 591010905
(460) 238-5046
Mailing address
Po Box 35100
Billings, MT 591075100

Credentials & registration

NPPES · NUCC
NPI registered
January 2006 — 20 yrs on file
Profile last updated
September 18, 2017
Year of graduation
1989 — 37 yrs since
Specialty taxonomy
207RP1001X — NUCC code
State licenses (3)
Montana #MED-PHYS-LIC-50794 · Indiana #01064195A · Illinois #036091112
Medicaid (2)
IL #36091112 · IN #200876550

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1962473553. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
97
Distinct HCPCS
3
Medicare allowed
$15,820
HCPCS Description Services Patients Avg allowed
99291 Critical care, first 30-74 minutes 38 25 $207
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 37 28 $115
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 22 22 $168

In context: peer comparison

Among 8 peers in Billings Pulmonary Disease Physician, average services per provider: 53. This provider delivers 1.8× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$227
Transactions
8
Manufacturers
5
Payer (manufacturer) Industry Txns Amount
Mylan Specialty L.P. 3 $138.51
AstraZeneca Pharmaceuticals Lp 2 $29.88
Actelion Pharmaceuticals US, INC. 1 $28.20
GlaxoSmithKline, LLC. 1 $16.00
Abbvie INC. 1 $14.77

By nature of payment

Food and Beverage
$227

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
62
Patients
14
Total drug cost
$235
Drug Type Claims Patients Total cost
Amoxicillin Generic 29 14 $37
Latanoprost Generic 22 0 $164
Clindamycin Hcl Generic 11 0 $34

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Andrew Fischer's medical specialty?
Dr. Andrew Fischer practices Pulmonary Disease Physician in Billings, MT.
Where does Dr. Andrew Fischer practice?
Dr. Andrew Fischer practices at 801 N 29Th St, Billings, MT 591010905. Office phone: 4602385046.
What is Dr. Andrew Fischer's NPI?
Dr. Andrew Fischer's National Provider Identifier (NPI) is 1962473553, issued by NPPES.
Does Dr. Andrew Fischer accept Medicare assignment?
Yes. Dr. Andrew Fischer accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Andrew Fischer commonly perform?
Top Medicare-reported procedures in 2023: Critical care (HCPCS 99291); Subsequent hospital care with moderate levelof medical decision making (HCPCS 99233); Initial hospital care with moderate level of medical decision making (HCPCS 99223). Source: CMS Medicare Physician & Other Practitioners file.