Doctor profile · Federal record

Dr. John Carroll, MD

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

  • NPI 1063468932
  • Accepts Medicare
  • 38 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
8328 E Hartford Dr
Scottsdale, AZ 852556520
(480) 214-9720
fax (480) 214-9722

Credentials & registration

NPPES · NUCC
NPI registered
May 2006 — 20 yrs on file
Profile last updated
October 1, 2014
Year of graduation
1988 — 38 yrs since
Specialty taxonomy
207R00000X — NUCC code
State license (1)
Arizona #18950
Medicaid
AZ #294611

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1063468932. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
762
Distinct HCPCS
7
Medicare allowed
$78,619
HCPCS Description Services Patients Avg allowed
99309 Subsequent nursing facility care with moderate level of medical decision making, per day, if using time, at least 30 minutes 327 34 $103
99309 Subsequent nursing facility care with moderate level of medical decision making, per day, if using time, at least 30 minutes 173 35 $103
99308 Subsequent nursing facility care with straightforward level of medical decision making, per day, if using time, at least 15 minutes 105 20 $72
99308 Subsequent nursing facility care with straightforward level of medical decision making, per day, if using time, at least 15 minutes 72 15 $72
99306 Initial nursing facility care with high level of medical decision making, per day, if using time, at least 45 minutes 33 33 $176
99306 Initial nursing facility care with high level of medical decision making, per day, if using time, at least 45 minutes 29 28 $176
99310 Subsequent nursing facility care with high level of medical decision making, per day, if using time, at least 45 minutes 23 13 $148

In context: peer comparison

Among 85 peers in this city , average services per provider: 120. This provider delivers 6.4× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
2,696
Patients
570
Total drug cost
$161,576
Drug Type Claims Patients Total cost
Atorvastatin Calcium Generic 399 81 $6,896
Gabapentin Generic 288 56 $8,631
Eliquis (Apixaban) Brand 244 37 $70,373
Trazodone Hcl Generic 202 43 $3,768
Levothyroxine Sodium Generic 183 35 $3,034
Furosemide Generic 180 37 $1,335
Sertraline Hcl Generic 169 28 $2,431
Tamsulosin Hcl Generic 165 39 $4,135
Metoprolol Tartrate Generic 152 39 $1,738
Lantus (Insulin Glargine,hum.Rec.Anlog) Brand 135 20 $42,151

Frequently asked questions

Auto-generated from federal data
What is Dr. John Carroll's medical specialty?
Dr. John Carroll practices Internal Medicine Physician in Scottsdale, AZ.
Where does Dr. John Carroll practice?
Dr. John Carroll practices at 8328 E Hartford Dr, Scottsdale, AZ 852556520. Office phone: 4802149720.
What is Dr. John Carroll's NPI?
Dr. John Carroll's National Provider Identifier (NPI) is 1063468932, issued by NPPES.
Does Dr. John Carroll accept Medicare assignment?
Yes. Dr. John Carroll accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. John Carroll commonly perform?
Top Medicare-reported procedures in 2023: Subsequent nursing facility care with moderate level of medical decision making (HCPCS 99309); Subsequent nursing facility care with moderate level of medical decision making (HCPCS 99309); Subsequent nursing facility care with straightforward level of medical decision making (HCPCS 99308). Source: CMS Medicare Physician & Other Practitioners file.