Alexander Liang, M.D.
NPI 1720059850 · Nephrology Physician · Irving, TX
Enrolled with Medicare as Practitioner - Nephrology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Alexander Liang, M.D. is a Nephrology Physician provider in Irving, TX (NPI 1720059850).
Provider details
- NPI number
- 1720059850
- Entity type
- Individual
- Primary specialty
- Nephrology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- K7799 (TX)
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
20 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
3 documented practice locations
- Medicare service volume (vs. specialty peers)25% of score
356 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) |
|---|---|---|
| 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 | 147 | $16 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 145 | $87 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 35 Minutes99232 | 41 | $76 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 50 Minutes99233 | 23 | $114 |
Typical Medicare-allowed amounts for these services range $16–$114 (2024). The Medicare-allowed amount is what Medicare recognizes for a service under fee-for-service — a reference figure for 2024, not a price quote and not what you would be billed. Medicare Part B covers roughly an eighth of all NPIs (65+ skew); services with fewer than 11 beneficiaries are suppressed by CMS. Source: CMS Medicare Physician & Other Practitioners, by Provider & Service.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 8 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Dapagliflozin Propanediolbrand: Farxiga | 33 | — |
| Carvedilol | 33 | 12 |
| Losartan Potassium | 31 | — |
| Amlodipine Besylate | 28 | — |
| Nifedipinebrand: Nifedipine Er | 23 | — |
| Lisinopril | 22 | — |
| Allopurinol | 19 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$98 across 4 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
Additional practice locations (2)
- 701 Tuscan Dr Ste 220Irving, TX 75039-3838Phone: (214) 358-2300Fax: (214) 579-6984
- 6750 N Macarthur Blvd Ste 210Irving, TX 75039-2473Phone: (214) 358-2300Fax: (214) 579-6984
Registry dates
- Enumerated
- 2006-01-27
- Last updated
- 2024-01-05
- Certified
- 2024-01-05
Frequently asked questions
- What is Alexander Liang's NPI number?
- Alexander Liang's National Provider Identifier (NPI) is 1720059850, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Alexander Liang's specialty?
- Alexander Liang is listed in the NPPES registry with a primary specialty of Nephrology Physician (Allopathic & Osteopathic Physicians).
- Where is Alexander Liang located?
- Alexander Liang's practice location on file with NPPES is 2005 W Park Dr Ste 200, Irving, TX 75061-2034.
- What is Alexander Liang's phone number?
- The practice phone number listed in the NPPES registry for Alexander Liang is (214) 358-2300.
- Does Alexander Liang accept Medicare?
- Alexander Liang is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Alexander Liang's NPI active?
- Yes — Alexander Liang's NPI (1720059850) is active in the NPPES registry as of the last update on 2024-01-05.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.