Doctor profile · Federal record

Dr. James Spencer, M.D.

Internal Medicine Physician (CMS: Internal Medicine) · Kingman, AZ

  • NPI 1578553145
  • Accepts Medicare
  • MIPS 83.2 / 100 · 2023
  • 35 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
2226 Hualapai Mountain RD
Kingman, AZ 864018374
(928) 681-8530
fax (928) 681-8714

Credentials & registration

NPPES · NUCC
NPI registered
October 2005 — 21 yrs on file
Profile last updated
October 7, 2024
Year of graduation
1991 — 35 yrs since
Specialty taxonomy
207R00000X — NUCC code
State license (1)
Arizona #27918
Medicaid
AZ #211889

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1578553145. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
576
Distinct HCPCS
4
Medicare allowed
$48,451
HCPCS Description Services Patients Avg allowed
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 428 144 $77
99239 Hospital discharge day management, more than 30 minutes 99 99 $111
99238 Hospital discharge day management, 30 minutes or less 32 32 $79
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 17 17 $127

In context: peer comparison

Among 9 peers in Kingman Internal Medicine Physician, average services per provider: 141. This provider delivers 4.1× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
264
Patients
244
Total drug cost
$10,871
Drug Type Claims Patients Total cost
Metoprolol Succinate Generic 32 30 $286
Prednisone Generic 32 32 $197
Atorvastatin Calcium Generic 23 22 $171
Amlodipine Besylate Generic 21 20 $101
Furosemide Generic 19 19 $66
Pantoprazole Sodium Generic 17 17 $117
Potassium Chloride Generic 17 16 $307
Clopidogrel (Clopidogrel Bisulfate) Brand 15 15 $86
Eliquis (Apixaban) Brand 15 11 $8,940
Losartan Potassium Generic 14 14 $71

Frequently asked questions

Auto-generated from federal data
What is Dr. James Spencer's medical specialty?
Dr. James Spencer practices Internal Medicine Physician in Kingman, AZ.
Where does Dr. James Spencer practice?
Dr. James Spencer practices at 2226 Hualapai Mountain RD, Kingman, AZ 864018374. Office phone: 9286818530.
What is Dr. James Spencer's NPI?
Dr. James Spencer's National Provider Identifier (NPI) is 1578553145, issued by NPPES.
Does Dr. James Spencer accept Medicare assignment?
Yes. Dr. James Spencer accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. James Spencer commonly perform?
Top Medicare-reported procedures in 2023: Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232); Hospital discharge day management (HCPCS 99239); Hospital discharge day management (HCPCS 99238). Source: CMS Medicare Physician & Other Practitioners file.