Wei Xiang Wong
NPI 1639551526 · Nephrology Physician · Flagstaff, AZ
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Wei Xiang Wong is a Nephrology Physician provider in Flagstaff, AZ (NPI 1639551526).
Provider details
- NPI number
- 1639551526
- Entity type
- Individual
- Primary specialty
- Nephrology PhysicianAllopathic & Osteopathic Physicians
- Sex
- Male
- Sole proprietor
- Yes
- License
- 56419 (AZ)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
11 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
1,947 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our .
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 50 Minutes99233 | 303 | $112 |
| Visit Complexity Inherent to Evaluation and Management Associated With Medical Care Services That Serve As the Continuing Focal Point for All Needed Health Care Services And/Or With Medical Care Services That Are Part of Ongoing Care Related to a Patient'SG2211 | 302 | $16 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 203 | $88 |
| Dialysis Services, 2-3 Physician Visits Per Month (20 Years Or Older)90961 | 160 | $285 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 35 Minutes99232 | 154 | $74 |
| Dialysis Services, 1 Physician Visit Per Month (20 Years Or Older) |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 45 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Furosemide | 151 | 46 |
| Lisinopril | 149 | 42 |
| Allopurinol | 112 | 23 |
| Nifedipinebrand: Nifedipine Er | 87 | 25 |
| Carvedilol | 80 | 23 |
| Calcium Acetate | 79 | 25 |
| Amlodipine Besylate | 77 | 25 |
| Spironolactone |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$254 across 11 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Registry dates
- Enumerated
- 2015-06-26
- Last updated
- 2020-07-21
- Certified
- 2020-07-21
Frequently asked questions
- What is Wei Xiang Wong's NPI number?
- Wei Xiang Wong's National Provider Identifier (NPI) is 1639551526, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Wei Xiang Wong's specialty?
- Wei Xiang Wong is listed in the NPPES registry with a primary specialty of Nephrology Physician (Allopathic & Osteopathic Physicians).
- Where is Wei Xiang Wong located?
- Wei Xiang Wong's practice location on file with NPPES is 617 N Humphreys St Ste 102, Flagstaff, AZ 86001-3063.
- What is Wei Xiang Wong's phone number?
- The practice phone number listed in the NPPES registry for Wei Xiang Wong is (480) 610-6100.
- Does Wei Xiang Wong accept Medicare?
- Wei Xiang Wong is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Wei Xiang Wong's NPI active?
- Yes — Wei Xiang Wong's NPI (1639551526) is active in the NPPES registry as of the last update on 2020-07-21.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.