Ali Ziaolhagh
Nephrology Physician · Houston, TX
Ali Ziaolhagh is a nephrology physician with a practice address in Houston, Texas, and NPI 1780997494, issued on Jul 22, 2010. Check the license (Texas Q7620, as entered in NPPES) on the Texas Medical Board; the Medicare figures below come from public CMS files.
- Name
- Ali Ziaolhagh
- Primary taxonomy
- Nephrology Physician 207RN0300X
- License number
- Q7620 TX
Self-reported in NPPES; status is on the state search - Practice location
- 6431 Fannin St # 5.136, Houston, TX 77030
- Phone
- (713) 500-6881
- Enumerated
- Jul 22, 2010
- Record last updated
- Jul 18, 2022
- Medicare enrollment
- Enrolled (PECOS I20220822001354); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest nephrology physician records → All 1,159 in Texas → Look up another NPI →
Verify Ali Ziaolhagh in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersTexas Medical Board
Search for license Q7620Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
68% fewer Medicare Part D claims than the average nephrology physician in 2024
468 Medicare Part D claims for 110 beneficiaries, against an average of 1,465 among the 10,986 providers of this specialty who prescribed in Part D. Brand-name drugs were 19% of claims.
Most prescribed
- Bumetanide51 claims
- Nifedipine Er49 claims
- Furosemide43 claims
- Farxiga36 claims
- Torsemide24 claims
- Carvedilol23 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
The practice group's MIPS final score for 2023 (Medicare payment program): 82.4 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $345.80
9 payments; by number, the most common kind was food and beverage; the largest payer was Otsuka Pharmaceutical Development & Commercialization, Inc. The 8,230 providers of this specialty with any payment received $3,091.37 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through one group practice
- UT PhysiciansHouston, TX
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Ali Ziaolhagh among 1,159 nephrology physician records in Texas
Ali Ziaolhagh is one of 1,159 nephrology physician records with a practice address in Texas. 89% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2010, is newer than 74% of them.
- NPI issued2010 · 74% of these records are older, 23% newer
- In a Medicare fileYes · 89% of these records are
- In the CMS Doctors and Clinicians fileYes · 82% of these records are
- Graduated2003 · median 2001 among the 954 with a school on file
- Record last updated2022 · 47% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RN0300X and a Texas practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Nephrology Physician providers in Texas
There are 1,159 nephrology physician records in Texas.
All 1,159 in Texas → Every provider in Houston → Nephrology Physician nationwide →
The 8 nephrology physician records with the nearest ZIP codes
- Bernardino Abaya, M.D.Houston, TX 770301740262013
- Catherine Brown, PA-CHouston, TX 770301841288313
- Joey Buquing, M.D.Houston, TX 770301255335279
- Joslyn Campbell, MDHouston, TX 770301912909847
- Dolon Das, MDHouston, TX 770301619972692
- Stevan Dinerstein, M.D.Houston, TX 770301932180791
- Stephen Fadem, MDHouston, TX 770301144224163
- Juan Gonzalez, MDHouston, TX 770301598767253
Common questions
What is Ali Ziaolhagh's NPI number?
Ali Ziaolhagh's National Provider Identifier (NPI) is 1780997494, issued on Jul 22, 2010. An NPI identifies a provider in billing; it is not a license.
Where is Ali Ziaolhagh located?
The NPPES record lists a practice address at 6431 Fannin St # 5.136, Houston, TX, 77030. Phone: (713) 500-6881. Providers update this record themselves, so call before visiting.
How can I verify Ali Ziaolhagh's license?
NPPES lists Texas license number Q7620, as entered by the provider. Search the Texas Medical Board at https://profile.tmb.state.tx.us/Search.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Ali Ziaolhagh prescribe under Medicare Part D?
In 2024, Ali Ziaolhagh had 468 Medicare Part D claims for 110 beneficiaries; the average among nephrology physician prescribers was 1,465. Part D covers Medicare prescriptions only.
What is Ali Ziaolhagh's MIPS final score?
The 2023 MIPS final score is 82.4 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.