Doctor profile · Federal record

Dr. Thomas Callahan, D.O.

Family Medicine Physician (CMS: Family Practice) · Phoenix, AZ

  • NPI 1164861027
  • Accepts Medicare
  • 13 yrs in practice
  • Male
  • Solo practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
2927 N 7Th Ave, Peppertree Building
Phoenix, AZ 850134102
(602) 406-3153
fax (602) 406-7176
Mailing address
1240 E 100 S, Ste 15A
St George, UT 847903003

Credentials & registration

NPPES · NUCC
NPI registered
June 2013 — 13 yrs on file
Profile last updated
April 12, 2016
Year of graduation
2013 — 13 yrs since
Specialty taxonomy
207Q00000X — NUCC code
State license (1)
Arizona #R2288

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1164861027. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
2,604
Distinct HCPCS
10
Medicare allowed
$177,455
HCPCS Description Services Patients Avg allowed
99213 Established patient office or other outpatient visit, 20-29 minutes 626 332 $87
36415 Insertion of needle into vein for collection of blood sample 358 295 $7
99214 Established patient office or other outpatient visit, 30-39 minutes 285 258 $123
G0439 Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit 259 259 $125
99497 Advance care planning, first 30 minutes 247 247 $80
76775 Limited ultrasound scan behind abdominal cavity 140 140 $57
93000 Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report 102 101 $14
96372 Injection of drug or substance under skin or into muscle 78 41 $14
J0696 Injection, ceftriaxone sodium, per 250 mg 68 13 $0
J3420 Injection, vitamin b-12 cyanocobalamin, up to 1000 mcg 64 29 $2

In context: peer comparison

Among 141 peers in this city , average services per provider: 121. This provider delivers 22× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$1,160
Transactions
56
Manufacturers
15
Payer (manufacturer) Industry Txns Amount
ABBVIE INC. 19 $225.24
Abbott Laboratories 1 $178.97
AstraZeneca Pharmaceuticals LP 7 $135.19
PFIZER INC. 6 $100.96
AIMMUNE THERAPEUTICS, INC. 5 $83.38
Lundbeck LLC 3 $60.68
Bayer Healthcare Pharmaceuticals Inc. 3 $57.24
Phathom Pharmaceuticals, Inc. 3 $55.02
IDORSIA PHARMACEUTICALS US INC 2 $33.78
Novo Nordisk Inc 2 $29.25
Janssen Pharmaceuticals, Inc 1 $28.94
Neurocrine Biosciences, Inc. 1 $26.50
Axsome Therapeutics, Inc. 1 $23.31
Teva Pharmaceuticals USA, Inc. 1 $22.43
Boehringer Ingelheim Pharmaceuticals, Inc. 1 $19.75

By nature of payment

Food and Beverage
$1,160

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
4,191
Patients
1,209
Total drug cost
$60,474
Drug Type Claims Patients Total cost
Atorvastatin Calcium Generic 522 134 $6,946
Levothyroxine Sodium Generic 472 132 $6,948
Lisinopril Generic 420 122 $4,117
Omeprazole Generic 346 106 $6,308
Losartan Potassium Generic 278 85 $4,435
Amlodipine Besylate Generic 275 80 $2,949
Rosuvastatin Calcium Generic 269 80 $4,964
Gabapentin Generic 242 64 $5,552
Tamsulosin Hcl Generic 235 80 $5,470
Trazodone Hcl Generic 228 70 $2,957

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Thomas Callahan's medical specialty?
Dr. Thomas Callahan practices Family Medicine Physician in Phoenix, AZ.
Where does Dr. Thomas Callahan practice?
Dr. Thomas Callahan practices at 2927 N 7Th Ave, Phoenix, AZ 850134102. Office phone: 6024063153.
What is Dr. Thomas Callahan's NPI?
Dr. Thomas Callahan's National Provider Identifier (NPI) is 1164861027, issued by NPPES.
Does Dr. Thomas Callahan accept Medicare assignment?
Yes. Dr. Thomas Callahan accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Thomas 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.