Doctor profile · Federal record

Dr. DOUGLAS CALLAHAN, D.O.

Family Medicine Physician (CMS: FAMILY PRACTICE) · ST GEORGE, UT

  • NPI 1265540355
  • Accepts Medicare
  • 26 yrs in practice
  • Male
  • Solo practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
1240 E 100 S, SUITE 15A
ST GEORGE, UT 847903001
(435) 656-5323
fax (435) 656-5127

Credentials & registration

NPPES · NUCC
NPI registered
August 2006 — 20 yrs on file
Profile last updated
January 8, 2013
Year of graduation
2000 — 26 yrs since
Specialty taxonomy
207Q00000X — NUCC code
State license (1)
Utah #5335922-1204

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1265540355. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
7,975
Distinct HCPCS
10
Medicare allowed
$448,257
HCPCS Description Services Patients Avg allowed
99213 Established patient office or other outpatient visit, 20-29 minutes 1,506 734 $86
36415 Insertion of needle into vein for collection of blood sample 854 692 $7
99214 Established patient office or other outpatient visit, 30-39 minutes 701 620 $123
J0696 Injection, ceftriaxone sodium, per 250 mg 620 78 $1
G0439 Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit 587 587 $124
99497 Advance care planning, first 30 minutes 456 456 $80
96372 Injection of drug or substance under skin or into muscle 416 116 $14
99457 Management using the results of remote vital sign monitoring per calendar month, first 20 minutes 370 64 $46
76775 Limited ultrasound scan behind abdominal cavity 315 315 $57
J3420 Injection, vitamin b-12 cyanocobalamin, up to 1000 mcg 285 78 $2

In context: peer comparison

Among 23 peers in this city , average services per provider: 115. This provider delivers 69× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$1,496
Transactions
78
Manufacturers
15
Payer (manufacturer) Industry Txns Amount
ABBVIE INC. 27 $369.75
AstraZeneca Pharmaceuticals LP 9 $157.39
PFIZER INC. 9 $143.63
AIMMUNE THERAPEUTICS, INC. 5 $86.62
Novo Nordisk Inc 5 $84.79
Teva Pharmaceuticals USA, Inc. 3 $67.15
Lundbeck LLC 3 $59.74
Phathom Pharmaceuticals, Inc. 3 $51.12
PROTEGA PHARMACEUTIALS INC 3 $50.02
Boehringer Ingelheim Pharmaceuticals, Inc. 2 $40.74
Neuronetics, Inc. 1 $36.51
IDORSIA PHARMACEUTICALS US INC 2 $33.78
Amgen Inc. 2 $32.36
GlaxoSmithKline, LLC. 2 $32.32
Medtronic, Inc. 2 $31.29

By nature of payment

Food and Beverage
$1,496

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
6,364
Patients
2,548
Total drug cost
$495,095
Drug Type Claims Patients Total cost
Arexvy (Rsvpref3 Antigen/As01e/Pf) Brand 922 922 $290,018
Shingrix (Varicella-Zoster Ge/As01b/Pf) Brand 661 444 $141,721
Rosuvastatin Calcium Generic 633 182 $10,982
Levothyroxine Sodium Generic 569 139 $9,090
Omeprazole Generic 447 108 $6,544
Losartan Potassium Generic 428 111 $5,201
Pantoprazole Sodium Generic 392 81 $5,476
Atorvastatin Calcium Generic 388 108 $3,954
Tamsulosin Hcl Generic 305 90 $5,602
Zolpidem Tartrate Generic 297 57 $2,304

Hospital affiliations

CMS Hospital Compare