Doctor profile · Federal record

Dr. Tonia Young-Fadok, M.D.

Colon & Rectal Surgery Physician (CMS: Colorectal Surgery (Proctology)) · Surgery Physician · Phoenix, AZ

  • NPI 1689652695
  • Accepts Medicare
  • MIPS 78.6 / 100 · 2023
  • 39 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

Operates at 2 locations .

NPPES Updated May 11, 2026
Primary practice
5779 E Mayo Blvd
Phoenix, AZ 850544502
(480) 301-8000
Additional location
13400 E Shea Blvd
Scottsdale, AZ 852595452
Mailing address
13400 E Shea Blvd
Scottsdale, AZ 852595452

Credentials & registration

NPPES · NUCC
NPI registered
January 2006 — 20 yrs on file
Profile last updated
June 19, 2025
Year of graduation
1987 — 39 yrs since
Specialty taxonomy
208C00000X — NUCC code
State license (1)
Arizona #31686

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1689652695. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
461
Distinct HCPCS
10
Medicare allowed
$65,158
HCPCS Description Services Patients Avg allowed
99214 Established patient office or other outpatient visit, 30-39 minutes 109 84 $116
99203 New patient office or other outpatient visit, 30-44 minutes 88 87 $109
99231 Subsequent hospital care with straightforward or low level of medical decision making, per day, if using time, at least 25 minutes 52 29 $48
99221 Initial hospital care with straightforward or low level of medical decision making, per day, if using time, at least 40 minutes 51 48 $81
99211 Office or other outpatient visit for the evaluation and management of established patient that may not require presence of healthcare professional 40 25 $21
99213 Established patient office or other outpatient visit, 20-29 minutes 37 32 $84
99204 New patient office or other outpatient visit, 45-59 minutes 24 24 $162
46600 Diagnostic exam of anus using an endoscope 22 20 $117
44207 Partial removal of large bowel and reattachment to rectum using an endoscope 13 13 $1,755
44213 Partial release of large bowel and partial removal of large bowel using an endoscope 13 13 $180

In context: peer comparison

Among 10 peers in Phoenix Colon & Rectal Surgery Physician, average services per provider: 37. This provider delivers 12× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
45
Patients
43
Total drug cost
$63
Drug Type Claims Patients Total cost
Metronidazole Generic 24 23 $35
Ondansetron Hcl Generic 21 20 $28

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Tonia Young-Fadok's medical specialty?
Dr. Tonia Young-Fadok practices Colon & Rectal Surgery Physician in Phoenix, AZ.
Where does Dr. Tonia Young-Fadok practice?
Dr. Tonia Young-Fadok practices at 5779 E Mayo Blvd, Phoenix, AZ 850544502. Office phone: 4803018000.
What is Dr. Tonia Young-Fadok's NPI?
Dr. Tonia Young-Fadok's National Provider Identifier (NPI) is 1689652695, issued by NPPES.
Does Dr. Tonia Young-Fadok accept Medicare assignment?
Yes. Dr. Tonia Young-Fadok accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Tonia Young-Fadok commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); New patient office or other outpatient visit (HCPCS 99203); Subsequent hospital care with straightforward or low level of medical decision making (HCPCS 99231). Source: CMS Medicare Physician & Other Practitioners file.