Doctor profile · Federal record

Dr. Wei Xiang Wong

Nephrology Physician (CMS: Nephrology) · Flagstaff, AZ

  • NPI 1639551526
  • Accepts Medicare
  • 15 yrs in practice
  • Male
  • Solo practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
617 N Humphreys St Ste 102
Flagstaff, AZ 860013063
(480) 610-6100
Mailing address
601 E Piccadilly Dr Apt 438
Flagstaff, AZ 860015979

Credentials & registration

NPPES · NUCC
NPI registered
June 2015 — 11 yrs on file
Profile last updated
July 21, 2020
Year of graduation
2011 — 15 yrs since
Specialty taxonomy
207RN0300X — NUCC code
State license (1)
Arizona #56419

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1639551526. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
1,387
Distinct HCPCS
10
Medicare allowed
$199,182
HCPCS Description Services Patients Avg allowed
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 240 99 $114
99213 Established patient office or other outpatient visit, 20-29 minutes 188 99 $74
90961 Dialysis services, 2-3 physician visits per month (20 years or older) 147 36 $292
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 145 76 $77
99214 Established patient office or other outpatient visit, 30-39 minutes 125 77 $119
90962 Dialysis services, 1 physician visit per month (20 years or older) 116 42 $202
99213 Established patient office or other outpatient visit, 20-29 minutes 92 54 $64
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 81 76 $163
90966 Home dialysis services per month (20 years or older) 66 11 $297
99204 New patient office or other outpatient visit, 45-59 minutes 42 42 $163

In context: peer comparison

Among 2 peers in Flagstaff Nephrology Physician, average services per provider: 139. This provider delivers 10.0× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$254
Transactions
11
Manufacturers
5
Payer (manufacturer) Industry Txns Amount
Otsuka America Pharmaceutical, INC. 4 $97.04
Bayer Healthcare Pharmaceuticals INC. 4 $95.31
Alexion Pharmaceuticals, INC. 1 $23.27
Calliditas Therapeutics US INC. 1 $21.45
Travere Therapeutics, INC. 1 $16.89

By nature of payment

Food and Beverage
$237
Education
$17

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
1,194
Patients
343
Total drug cost
$41,071
Drug Type Claims Patients Total cost
Furosemide Generic 148 45 $1,251
Lisinopril Generic 137 42 $1,064
Amlodipine Besylate Generic 111 34 $410
Allopurinol Generic 110 26 $1,068
Sevelamer Carbonate Generic 95 25 $20,943
Carvedilol Generic 88 26 $1,366
Nifedipine ER (Nifedipine) Brand 86 23 $2,516
Calcium Acetate Generic 58 22 $7,306
Spironolactone Generic 58 18 $1,508
Gabapentin Generic 54 16 $764

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Wei Xiang Wong's medical specialty?
Dr. Wei Xiang Wong practices Nephrology Physician in Flagstaff, AZ.
Where does Dr. Wei Xiang Wong practice?
Dr. Wei Xiang Wong practices at 617 N Humphreys St Ste 102, Flagstaff, AZ 860013063. Office phone: 4806106100.
What is Dr. Wei Xiang Wong's NPI?
Dr. Wei Xiang Wong's National Provider Identifier (NPI) is 1639551526, issued by NPPES.
Does Dr. Wei Xiang Wong accept Medicare assignment?
Yes. Dr. Wei Xiang Wong accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Wei Xiang Wong commonly perform?
Top Medicare-reported procedures in 2023: Subsequent hospital care with moderate levelof medical decision making (HCPCS 99233); Established patient office or other outpatient visit (HCPCS 99213); Dialysis services, 2-3 physician visits per month (20 years or older) (HCPCS 90961). Source: CMS Medicare Physician & Other Practitioners file.