Independent US Healthcare Provider Directory & Public Medical Database Patient Guides
Medical Specialty Listing

Internal Medicine - Nephrology Specialists in Houston, TX

Browse 222 Internal Medicine - Nephrology providers listed in NPPES with a practice address in Houston, Texas.

222 Healthcare Providers

How Houston compares with the U.S.

Houston has 9.5 clinicians in Internal Medicine - Nephrology per 100,000 residents, 2.4 times the U.S. rate of 4.0.

That is 222 active clinicians in Internal Medicine - Nephrology with a practice address in Houston, for a population of 2,328,253.

The Texas rate is 3.8 per 100,000 residents.

What these numbers mean

Clinicians per 100,000 residents compares places of different sizes. We count active clinicians who list a practice address in the area in the federal NPI registry (NPPES) and divide by the number of people who live there, according to the U.S. Census Bureau. The U.S. rate is the same calculation for the whole country.

A higher number does not mean it is easier to get an appointment, that wait times are shorter, or that care is better. It also does not show how many clinicians are accepting new patients or which insurance plans they take. A lower number does not by itself mean there is a shortage.

City counts use the city name in each clinician's practice address. That postal city can cover a larger or smaller area than the city limits the Census Bureau uses for population, and many clinicians list only one address even if they work in several places. Cities with hospitals or large medical centers often list more specialists than the number of residents alone would suggest, because patients also come from nearby areas.

97% of clinicians in Internal Medicine - Nephrology in Houston listed in the CMS Medicare file (181 of 187) accept Medicare assignment. That is similar to the Texas share of 97%.

What is Medicare assignment?

A clinician who accepts Medicare assignment agrees to take the Medicare-approved amount as full payment for services that Original Medicare covers. You usually still pay your deductible and coinsurance. This comes from the CMS Doctors and Clinicians file and applies to Original Medicare only. Medicare Advantage plans have their own provider networks. It does not show whether a clinician is taking new patients.

Some clinicians are listed as "may accept assignment," which means they can decide case by case. Clinicians without an assignment flag, or who are not in the CMS file, are not counted as accepting assignment. That does not mean they refuse Medicare. Ask the office before your visit.

41% of clinicians in Internal Medicine - Nephrology in Houston listed in the CMS Medicare file (76 of 187) have a CMS telehealth indicator, meaning their recent Medicare claims include telehealth services. That is lower than the Texas share of 47%.

About the telehealth indicator

The telehealth indicator comes from CMS. It marks clinicians whose recent paid Medicare claims include services delivered by telehealth. It means a clinician has provided some services by telehealth, not that every visit can be done online. A clinician without the indicator may still offer telehealth, for example to patients who are not on Medicare. Ask the office which visits can be done by video or phone.

These figures summarize public federal data. They do not measure quality of care, appointment availability, or whether a clinician accepts your insurance or new patients. Registry addresses can be out of date. Please confirm details directly with the office and your plan. This information is not medical advice.

Prepared by T-MedInfo from NPPES, CMS and U.S. Census Bureau data. Questions or corrections: support@true-medinfo.com ยท Methodology

Sources: Clinician counts and practice addresses: NPPES NPI Registry, Centers for Medicare & Medicaid Services (CMS), data as of August 2026. Medicare assignment and telehealth indicators: CMS Doctors and Clinicians National Downloadable File. Population: U.S. Census Bureau, American Community Survey 2020-2024 5-Year Estimates, Table B01003 (Total Population).

Internal Medicine - Nephrology Medicare (PECOS) Enrollment & Ordering Eligibility

Medicare enrollment and order/referring eligibility listed by CMS for Internal Medicine - Nephrology practitioners in Houston, TX

Source: CMS PECOS
PECOS Enrolled Specialists 203 In Houston, TX
Part B Lab & Imaging Eligible 203 Diagnostic Referrals
DME Ordering Eligible 203 Durable Medical Equipment
Home Health Agency Referrals 203 HHA Ordering Eligible
Showing 1โ€“20 of 222 providers
With recent CMS data first, then Aโ€“Z

Dr. Bernardino Flores Abaya , MD

Internal Medicine - Nephrology

Active NPI Status Accepts Medicare Assignment Telehealth Services Available
2517 Dorrington St, Houston, TX 770301928
Phone: 7133837000
NPI Identifier 1740262013
View Full Profile

Dr. Mai Abouelsaad , MD

Internal Medicine - Nephrology

Active NPI Status Accepts Medicare Assignment
11800 Astoria Blvd, Houston, TX 770896041
Phone: 2819296100
NPI Identifier 1790168086
View Full Profile

Dr. Ala Abudayyeh , MD

Internal Medicine - Nephrology

Active NPI Status Accepts Medicare Assignment Telehealth Services Available
1515 Holcombe Blvd, Houston, TX 770304000
Phone: 7137926161
NPI Identifier 1114008513
View Full Profile

Dr. Horacio Jose Adrogue , MD

Internal Medicine - Nephrology

Active NPI Status
2002 Holcombe Blvd, Renal Section 111j, Houston, TX 770304211
Phone: 7137988350
NPI Identifier 1427142629
View Full Profile

Dr. Horacio Esteban Adrogue , MD

Internal Medicine - Nephrology

Active NPI Status Accepts Medicare Assignment Telehealth Services Available
6550 Fannin St, Suite 2323, Houston, TX 770302717
Phone: 7133052957
NPI Identifier 1508958000
View Full Profile

Dr. Ali Arslan Aftab Ahmed , MD

Internal Medicine - Nephrology

Active NPI Status Accepts Medicare Assignment Telehealth Services Available
2626 S Loop W Ste 265, Houston, TX 770545636
Phone: 2819903446
NPI Identifier 1598025496
View Full Profile

Dr. Amina Jabeen Ahmed , MD

Internal Medicine - Nephrology

Active NPI Status Accepts Medicare Assignment Telehealth Services Available
18400 Katy Fwy Ste 440, Houston, TX 770941381
Phone: 2818290002
NPI Identifier 1467420547
View Full Profile

Dr. Mohammed Ashfaq Ahmed , MD

Internal Medicine - Nephrology

Active NPI Status Accepts Medicare Assignment
8876 Gulf Freeway, Suite 215, Houston, TX 770176550
Phone: 7139479509
NPI Identifier 1851545859
View Full Profile

Dr. Salman Ahmed , MD, MPH

Internal Medicine - Nephrology

Active NPI Status Accepts Medicare Assignment Telehealth Services Available
18400 Katy Fwy Ste 440, Houston, TX 770941381
Phone: 2816764480
NPI Identifier 1700144391
View Full Profile

Dr. Medha Airy , MBBS

Internal Medicine - Nephrology

Active NPI Status Accepts Medicare Assignment Telehealth Services Available
7200 Cambridge Street, 10th Floor, Houston, TX 770304202
Phone: 7137981750
NPI Identifier 1720256852
View Full Profile

Dr. Muhammad Suleman Ajmal , MBBS

Internal Medicine - Nephrology

Active NPI Status Accepts Medicare Assignment Telehealth Services Available
1504 Taub Loop, Houston, TX 770301608
Phone: 7137982500
NPI Identifier 1184873234
View Full Profile

Dr. Aymen Abbas Hasan Aldujaili , MD

Internal Medicine - Nephrology

Active NPI Status Accepts Medicare Assignment
7737 Southwest Fwy Ste 250, Houston, TX 770741827
Phone: 2819800033
NPI Identifier 1073952479
View Full Profile

Dr. Adil R Ali , MD

Internal Medicine - Nephrology

Active NPI Status Accepts Medicare Assignment Telehealth Services Available
915 Gessner Rd Ste 360, Suite 360, Houston, TX 770242540
Phone: 7134685440
NPI Identifier 1396062600
View Full Profile

Dr. Aliasger Aun Ali , MD

Internal Medicine - Nephrology

Active NPI Status Accepts Medicare Assignment
6431 Fannin St Ste Msb 1134, Houston, TX 770301501
Phone: 7135006500
NPI Identifier 1538696984
View Full Profile

Dr. Mir Tariq Ali , MD

Internal Medicine - Nephrology

Active NPI Status Accepts Medicare Assignment
13300 Hargrave Rd Ste 480, Houston, TX 770707374
Phone: 3462382600
NPI Identifier 1649822040
View Full Profile

Dr. Sehrish Ali , DO

Internal Medicine - Nephrology

Active NPI Status Accepts Medicare Assignment Telehealth Services Available
7200 Cambridge St, Houston, TX 770304202
Phone: 7137988350
NPI Identifier 1275944290
View Full Profile

Dr. Sibtain H Ali , MD

Internal Medicine - Nephrology

Active NPI Status Accepts Medicare Assignment
8876 Gulf Fwy, Suite 215, Houston, TX 770176513
Phone: 7139471001
NPI Identifier 1013933902
View Full Profile

Dr. Manaf A Alroumoh , MD

Internal Medicine - Nephrology

Active NPI Status Accepts Medicare Assignment
7777 Southwest Fwy, Ste 1052, Houston, TX 77074
Phone: 9792990091
NPI Identifier 1548350614
View Full Profile

Dr. Soubhi Altaki , MD

Internal Medicine - Nephrology

Active NPI Status Accepts Medicare Assignment
4615 Southwest Fwy Ste 1000, Houston, TX 770277108
Phone: 3467398061
NPI Identifier 1518215011
View Full Profile

Dr. Samaya Javed Anumudu , MD

Internal Medicine - Nephrology

Active NPI Status Accepts Medicare Assignment Telehealth Services Available
7200 Cambridge Street, A10-194, Ms:bcm903, Houston, TX 77030
Phone: 7137985808
NPI Identifier 1710322201
View Full Profile

Frequently Asked Questions about Internal Medicine - Nephrology in Houston

How do I check a Internal Medicine - Nephrology practitioner's license?

Each practitioner profile shows the NUCC taxonomy code and any state license number the practitioner reported to NPPES, plus a link to the Texas licensing board lookup. NPPES entries are self-reported; current license status is published only by the state board.

Why is a practitioner missing from this list?

This list shows NPI records that are active in NPPES. A deactivated NPI keeps its profile with the deactivation date and practice history; find it with the site search by name or NPI number.