Doctor profile · Federal record

Dr. Warren Butler, MD

Internal Medicine Physician (CMS: Internal Medicine) · Internal Medicine Physician · Hospitalist Physician · Scottsdale, AZ

  • NPI 1750339784
  • Accepts Medicare
  • 25 yrs in practice
  • Licensed in 2 states
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
9590 E Ironwood Square Dr, Ste 125
Scottsdale, AZ 852584581
(480) 455-3000
fax (866) 819-6119

Credentials & registration

NPPES · NUCC
NPI registered
May 2006 — 20 yrs on file
Profile last updated
May 30, 2016
Year of graduation
2001 — 25 yrs since
Specialty taxonomy
207R00000X — NUCC code
State licenses (2)
Arizona #41991 · New Jersey #25MA0764700
Medicaid
AZ #475710

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1750339784. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
955
Distinct HCPCS
5
Medicare allowed
$112,203
HCPCS Description Services Patients Avg allowed
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 537 266 $115
99239 Hospital discharge day management, more than 30 minutes 149 147 $111
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 144 141 $168
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 109 78 $77
99238 Hospital discharge day management, 30 minutes or less 16 16 $78

In context: peer comparison

Among 85 peers in Scottsdale Internal Medicine Physician, average services per provider: 120. This provider delivers 8.0× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
34
Patients
34
Total drug cost
$389
Drug Type Claims Patients Total cost
Cefuroxime (Cefuroxime Axetil) Brand 19 19 $239
Methylprednisolone Generic 15 15 $150

Frequently asked questions

Auto-generated from federal data
What is Dr. Warren Butler's medical specialty?
Dr. Warren Butler practices Internal Medicine Physician in Scottsdale, AZ.
Where does Dr. Warren Butler practice?
Dr. Warren Butler practices at 9590 E Ironwood Square Dr, Scottsdale, AZ 852584581. Office phone: 4804553000.
What is Dr. Warren Butler's NPI?
Dr. Warren Butler's National Provider Identifier (NPI) is 1750339784, issued by NPPES.
Does Dr. Warren Butler accept Medicare assignment?
Yes. Dr. Warren Butler accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Warren Butler commonly perform?
Top Medicare-reported procedures in 2023: Subsequent hospital care with moderate levelof medical decision making (HCPCS 99233); Hospital discharge day management (HCPCS 99239); Initial hospital care with moderate level of medical decision making (HCPCS 99223). Source: CMS Medicare Physician & Other Practitioners file.