Doctor profile · Federal record

Dr. Isela Drieling, D.O.

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

  • NPI 1881005049
  • Accepts Medicare
  • MIPS 89.0 / 100 · 2023
  • 12 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
9201 W Thomas RD
Phoenix, AZ 850373332
(623) 327-4000

Credentials & registration

NPPES · NUCC
NPI registered
May 2014 — 12 yrs on file
Profile last updated
November 3, 2021
Year of graduation
2014 — 12 yrs since
Specialty taxonomy
208M00000X — NUCC code
State license (1)
Arizona #007346

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1881005049. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
179
Distinct HCPCS
5
Medicare allowed
$17,449
HCPCS Description Services Patients Avg allowed
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 79 46 $77
99239 Hospital discharge day management, more than 30 minutes 36 36 $110
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 32 27 $116
99238 Hospital discharge day management, 30 minutes or less 19 19 $79
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 13 12 $170

In context: peer comparison

Among 73 peers in Phoenix Hospitalist Physician, average services per provider: 126. This provider delivers 1.4× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
24
Patients
24
Total drug cost
$135
Drug Type Claims Patients Total cost
Ciprofloxacin Hcl Generic 13 13 $100
Prednisone Generic 11 11 $35

Frequently asked questions

Auto-generated from federal data
What is Dr. Isela Drieling's medical specialty?
Dr. Isela Drieling practices Hospitalist Physician in Phoenix, AZ.
Where does Dr. Isela Drieling practice?
Dr. Isela Drieling practices at 9201 W Thomas RD, Phoenix, AZ 850373332. Office phone: 6233274000.
What is Dr. Isela Drieling's NPI?
Dr. Isela Drieling's National Provider Identifier (NPI) is 1881005049, issued by NPPES.
Does Dr. Isela Drieling accept Medicare assignment?
Yes. Dr. Isela Drieling accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Isela Drieling 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); Subsequent hospital care with moderate levelof medical decision making (HCPCS 99233). Source: CMS Medicare Physician & Other Practitioners file.