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Internal Medicine - Nephrology Specialists in Tulsa, OK

Browse 41 Internal Medicine - Nephrology providers listed in NPPES with a practice address in Tulsa, Oklahoma.

41 Healthcare Providers

How Tulsa compares with the U.S.

Tulsa has 9.9 clinicians in Internal Medicine - Nephrology per 100,000 residents, 2.5 times the U.S. rate of 4.0.

That is 41 active clinicians in Internal Medicine - Nephrology with a practice address in Tulsa, for a population of 413,794.

The Oklahoma rate is 2.8 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 Tulsa listed in the CMS Medicare file (29 of 30) accept Medicare assignment. That is similar to the Oklahoma share of 99%.

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.

77% of clinicians in Internal Medicine - Nephrology in Tulsa listed in the CMS Medicare file (23 of 30) have a CMS telehealth indicator, meaning their recent Medicare claims include telehealth services. That is higher than the Oklahoma share of 55%.

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 Tulsa, OK

Source: CMS PECOS
PECOS Enrolled Specialists 34 In Tulsa, OK
Part B Lab & Imaging Eligible 33 Diagnostic Referrals
DME Ordering Eligible 33 Durable Medical Equipment
Home Health Agency Referrals 33 HHA Ordering Eligible
Showing 1โ€“20 of 41 providers
With recent CMS data first, then Aโ€“Z

Dr. Muhammad Afzal , MD

Internal Medicine - Nephrology

Active NPI Status Accepts Medicare Assignment Telehealth Services Available
6465 S Yale Ave Ste 804, Tulsa, OK 741367810
Phone: 9185023550
NPI Identifier 1417096629
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Dr. Sunil Agrawal , MD

Internal Medicine - Nephrology

Active NPI Status Accepts Medicare Assignment Telehealth Services Available
1145 S Utica Ave, Suite 364, Tulsa, OK 741044000
Phone: 9187125000
NPI Identifier 1093953747
View Full Profile

Dr. Zubair Ahmad , MD

Internal Medicine - Nephrology

Active NPI Status Accepts Medicare Assignment Telehealth Services Available
2000 S Wheeling Ave, 510, Tulsa, OK 741045649
Phone: 9187475200
NPI Identifier 1962427112
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Dr. Ismail Khalil Almokyad , MD

Internal Medicine - Nephrology

Active NPI Status Accepts Medicare Assignment Telehealth Services Available
1145 S Utica Ave Ste 364, Tulsa, OK 741044004
Phone: 9187125000
NPI Identifier 1649628991
View Full Profile

Tariq Yousef Mohammad Alyamani

Internal Medicine - Nephrology

Active NPI Status Accepts Medicare Assignment Telehealth Services Available
6465 S Yale Ave Ste 507, Tulsa, OK 741367807
Phone: 9187125000
NPI Identifier 1255941589
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Ayesha Anwaar

Internal Medicine - Nephrology

Active NPI Status Accepts Medicare Assignment Telehealth Services Available
6465 S Yale Ave Ste 507, Tulsa, OK 741367807
Phone: 9187125000
NPI Identifier 1487007449
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Dr. Reza John Azadi , DO

Internal Medicine - Nephrology

Active NPI Status Accepts Medicare Assignment Telehealth Services Available
6465 S Yale Ave Ste 804, Tulsa, OK 741367810
Phone: 9185023550
NPI Identifier 1932300472
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Dr. Krishna Mohan Baradhi , MD

Internal Medicine - Nephrology

Active NPI Status Accepts Medicare Assignment Telehealth Services Available
8921 S Mingo Rd, Tulsa, OK 741335841
Phone: 9185773726
NPI Identifier 1538360573
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Dr. Kusum Bhandari , MD

Internal Medicine - Nephrology

Active NPI Status Accepts Medicare Assignment Telehealth Services Available
1145 S Utica Ave, Suite 364, Tulsa, OK 741044000
Phone: 9187125000
NPI Identifier 1700952884
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Dr. Angela Dene Bolz , DO

Internal Medicine - Nephrology

Active NPI Status Accepts Medicare Assignment
591 E 36th St N, Tulsa, OK 741061812
Phone: 9186194400
NPI Identifier 1013119650
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Dr. Kenneth E Calabrese , DO

Internal Medicine - Nephrology

Active NPI Status
6465 S Yale Ave Ste 401, Tulsa, OK 741367806
Phone: 9185823154
NPI Identifier 1073601175
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Dr. Mary Ann Cameron , MD

Internal Medicine - Nephrology

Active NPI Status Accepts Medicare Assignment
6465 S Yale Ave, Suite 507, Tulsa, OK 741367823
Phone: 9184812760
NPI Identifier 1619924677
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Dr. Jay Fu , MD

Internal Medicine - Nephrology

Active NPI Status
6465 S Yale Ave, Suite 507, Tulsa, OK 741367823
Phone: 9184812760
NPI Identifier 1235226192
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Dr. Kevin Fu , MD

Internal Medicine - Nephrology

Active NPI Status Accepts Medicare Assignment Telehealth Services Available
6465 S Yale Ave Ste 804, Tulsa, OK 741367810
Phone: 9185023550
NPI Identifier 1376938167
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Dr. Santhi Gokaraju , MD

Internal Medicine - Nephrology

Active NPI Status Accepts Medicare Assignment Telehealth Services Available
6465 S Yale Ave Ste 804, Tulsa, OK 741367810
Phone: 9185023550
NPI Identifier 1730506940
View Full Profile

Dr. Robert M. Gold , MD

Internal Medicine - Nephrology

Active NPI Status
6465 S Yale Ave, Suite 507, Tulsa, OK 741367823
Phone: 9184812760
NPI Identifier 1710070750
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Dr. Diptesh Ramnarain Gupta , MD

Internal Medicine - Nephrology

Active NPI Status Accepts Medicare Assignment Telehealth Services Available
6465 S Yale Ave Ste 804, Tulsa, OK 741367810
Phone: 9185023550
NPI Identifier 1326201260
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Dr. Hassan Haddad , MD

Internal Medicine - Nephrology

Active NPI Status
8921 S Mingo Rd, Tulsa, OK 741335841
Phone: 9185773000
NPI Identifier 1992753263
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Muna Hale

Internal Medicine - Nephrology

Active NPI Status Accepts Medicare Assignment Telehealth Services Available
6465 S Yale Ave Ste 401, Tulsa, OK 741367806
Phone: 9185823154
NPI Identifier 1801257134
View Full Profile

Dr. Kelley Marie Harris , DO

Internal Medicine - Nephrology

Active NPI Status
2000 S Wheeling Ave Ste 510, Tulsa, OK 741045642
Phone: 9187475200
NPI Identifier 1265019863
View Full Profile

Frequently Asked Questions about Internal Medicine - Nephrology in Tulsa

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 Oklahoma 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.