Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

DR. ALIASGER AUN ALI MD
NPI 1538696984
Internal Medicine - Nephrology in Houston, TX

Active since May 16, 2017PECOS EnrolledAccepts Medicare Assignment
81.38/100
CMS Quality Rating
708 MAIN ST FL 10, HOUSTON, TX 77002(855) 212-2273 Get Directions Write a Review

NPPES record last updated: October 8, 2026. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Oct 8, 2026, Aug 7, 2024, Jul 21, 2022 and 2 more (5 updates tracked since 2017).

About Dr. Aliasger Aun Ali Md NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

DR. ALIASGER AUN ALI MD (NPI 1538696984) is an individual nephrology provider in Houston, Texas, licensed in Texas (S9642) and active in the NPI registry since May 2017. He is enrolled in Medicare PECOS, maintains 2 additional practice locations, and is a graduate of Other (2016).

NPPES Registry Identity

NPI1538696984
Entity TypeIndividualMale
Primary Taxonomy207RN0300X
Provider Legal NameDR. ALIASGER AUN ALICredential: MD
Location Address708 MAIN ST FL 10Houston, TX 77002-3246
Mailing Address5410 Maryland Way Ste 400Brentwood, TN 37027-8087 · (855) 212-2273
Sole ProprietorNo
Medical School CMSOtherGraduated 2016
Enumeration DateMay 16, 2017
Last NPPES UpdateOctober 8, 20265 updates tracked since enumeration
NPPES CertifiedOctober 8, 2026
✔ NPI 1538696984 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyInternal Medicine · NephrologyAllopathic & Osteopathic Physicians
Taxonomy Code207RN0300X
License✔ Licensed in TX · S9642
Definition
An internist who treats disorders of the kidney, high blood pressure, fluid and mineral balance and dialysis of body wastes when the kidneys do not function. This specialist consults with surgeons about kidney transplantation.
Also ListedInternal MedicineTaxonomy 207R00000X · License S9642 (TX)
708 MAIN ST FL 10, Houston, TX 77002

Secondary Practice Locations 2

Location 16431 Fannin St Ste Msb 1134Houston, TX 77030-1501 · Phone (713) 500-6500 · Fax (713) 500-6497
Location 21515 Holcombe BlvdHouston, TX 77030-4000 · Phone (713) 792-2991

Other Identifiers 1

Medicaid1538696984TX

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Dr. Aliasger Aun Ali Md is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID5597156083
PECOS Enrollment IDI20211216001392
Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Medicare Billing Reassignments

6

Medicare enrollment records show Aliasger Ali reassigns Medicare billing to 6 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Anesthesiology
6410 FANNIN ST, 1500
Houston, TX 77030
  • Reassigned Medicare billing, Texas enrollment
  • 3,111 clinicians in this Medicare group
Multi-Specialty
1515 HOLCOMBE BLVD
Houston, TX 77030
  • Reassigned Medicare billing, Texas enrollment
  • 2,675 clinicians in this Medicare group
Nephrology
5410 MARYLAND WAY STE 400
Brentwood, TN 37027
  • Reassigned Medicare billing, Texas and Utah enrollments
  • 91 clinicians in this Medicare group
Nephrology
5410 MARYLAND WAY STE 400
Brentwood, TN 37027
  • Reassigned Medicare billing, Alabama, Arizona, Illinois and Washington enrollments
  • Also billed through NPI 1952917122 (Arizona), NPI 1134739089 (Washington)
  • 89 clinicians in this Medicare group
Nephrology
4620 E 53RD ST STE 200
Davenport, IA 52807
  • Reassigned Medicare billing, Iowa enrollment
  • 46 clinicians in this Medicare group
Nephrology
8354 E NORTHFIELD BLVD STE 3700
Denver, CO 80238
  • Reassigned Medicare billing, Colorado enrollment
  • 19 clinicians in this Medicare group

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Areas of Expertise CMS Part B claims 2

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 99223
Initial hospital inpatient care per day, typically 70 minutes, refers to the daily medical service provided to patients admitted to the hospital. This includes a comprehensive evaluation, diagnosis, treatment plan, and monitoring of your health condition. It ensures your well-being during your hospital stay.
196 services192 patients
Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 99222
Initial hospital inpatient care is a service where a healthcare provider spends about 50 minutes per day overseeing your care while you're admitted in the hospital. This includes reviewing your health status, planning your treatment, and ensuring your safety and comfort.
25 services25 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 77002 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$134.06 typical visit price
range $58.24 – $176.98
Typical copayment $33.51 (range $14.56 – $44.24)
Most-billed visit code 99204
Established Patient
$102.71 typical visit price
range $18.60 – $143.93
Typical copayment $25.67 (range $4.65 – $35.98)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Medicare Quality Performance CMS QPP · MIPS

Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.

81.38/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored as part of a group practice
Quality81.25
Promoting Interoperability100
Improvement Activities40
Cost49.97

Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

Behavior Technician
708 MAIN ST FL 10
HOUSTON, TX 77002
Behavior Technician
708 MAIN ST FL 10
HOUSTON, TX 77002
Physician Assistant (Medical)
708 MAIN ST FL 10
HOUSTON, TX 77002
Behavior Technician
708 MAIN ST FL 10
HOUSTON, TX 77002
Behavior Technician
708 MAIN ST FL 10
HOUSTON, TX 77002
Behavior Technician
708 MAIN ST FL 10
HOUSTON, TX 77002
Nurse Practitioner (Family)
708 MAIN ST FL 10
HOUSTON, TX 77002
Behavior Technician
708 MAIN ST FL 10
HOUSTON, TX 77002

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Aliasger Ali's NPI number?

The NPI number for Aliasger Ali is 1538696984. It was assigned to this individual provider in the NPPES registry on May 16, 2017.

Where is Aliasger Ali located?

Aliasger Ali practices at 708 Main St Fl 10, Houston, TX 77002. The listed phone number is (855) 212-2273.

What is Aliasger Ali's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Nephrology, with taxonomy code 207RN0300X.

Is Aliasger Ali enrolled in Medicare?

Yes. Aliasger Ali is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

Which organizations bill Medicare for Aliasger Ali's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Aliasger Ali reassigns Medicare benefits to 6 organizations: Ut Physicians (Houston, TX), Physicians Referral Service (Houston, TX), Monogram Health Professional Services Of Texas PLLC (Brentwood, TN), Monogram Health Professional Services PC (Brentwood, TN), Monogram Health Professional Services Of Iowa PLLC (Davenport, IA) and 1 more organization, listed in the Medicare section above. Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Aliasger Ali's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

When was this NPI record last updated?

The NPPES record for Aliasger Ali was last updated on October 8, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 19 days ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.