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
- Primary practice
-
1240 E 100 S, Suite 15A
St George, UT 847903001
(435) 656-5323
fax (435) 656-5127
Credentials & registration
- 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
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
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 St George Family Medicine Physician, average services per provider: 115. This provider delivers 69× the peer median.Open Payments
Industry payments received
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
Medicare Part D · 2023
Top prescriptions
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
Frequently asked questions
What is Dr. Douglas Callahan's medical specialty?
Dr. Douglas Callahan practices Family Medicine Physician in St George, UT.
Where does Dr. Douglas Callahan practice?
Dr. Douglas Callahan practices at 1240 E 100 S, St George, UT 847903001. Office phone: 4356565323.
What is Dr. Douglas Callahan's NPI?
Dr. Douglas Callahan's National Provider Identifier (NPI) is 1265540355, issued by NPPES.
Does Dr. Douglas Callahan accept Medicare assignment?
Yes. Dr. Douglas Callahan accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Douglas Callahan commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99213); Insertion of needle into vein for collection of blood sample (HCPCS 36415); Established patient office or other outpatient visit (HCPCS 99214). Source: CMS Medicare Physician & Other Practitioners file.