Nephrologists in Maryland
Data updated monthly · Last refresh October 2026
337 Nephrology providers practice in Maryland, including 101 (30%) offering telehealth. The largest concentration is in Baltimore. Profiles include federal Open Payments records of money received from drug and device companies in 2025. Listings are drawn from federal public records and are not endorsements.
337providers
101telehealth
Baltimoretop city
Nephrology by city in Maryland
Choose a city to see providers there.
Nephrology providers in Maryland
Listed by city, largest first. Payment figures come from the federal Open Payments program, which requires drug and device companies to report what they pay physicians for consulting, speaking, meals, travel and royalties. A disclosed payment is a financial relationship, not evidence of wrongdoing, and many totals reflect a single meal. Figures cover calendar year 2025.
Dr. Gary Briefel, M.D.Baltimore, MD · No drug or device payments recorded (2025) ·
(410) 550-1800 Dr. Gregory Germino, M.D.Baltimore, MD · No drug or device payments recorded (2025) ·
(410) 955-0670 Dr. Hamid Rabb, M.D.Baltimore, MD · No drug or device payments recorded (2025) ·
(410) 955-0670 Dr. Hashim AbbasBaltimore, MD · $151 in drug and device payments (2025) · Telehealth ·
(410) 550-7070 Dr. Hiba Ahmed, M.DBaltimore, MD · $17 in drug and device payments (2025) · Telehealth ·
(410) 328-5720 Dr. Hiba Barghouthi, M.D.Baltimore, MD · No drug or device payments recorded (2025) ·
(410) 550-0979 Dr. Irfan Shukrullah, M.DBaltimore, MD · $2 in drug and device payments (2025) ·
(443) 559-5063 Dr. Jacques Abi Rached, MDBaltimore, MD · $133 in drug and device payments (2025) ·
(410) 931-9729 Dr. Jagman Chahal, M.D.Baltimore, MD · No drug or device payments recorded (2025) ·
(410) 328-5720 Dr. Jeffrey Fink, M.D.Baltimore, MD · No drug or device payments recorded (2025) ·
(410) 705-5280 Dr. John Anderson, M.D.Baltimore, MD · No drug or device payments recorded (2025) ·
(443) 777-7000 Dr. John Sadler, M.D.Baltimore, MD · No drug or device payments recorded (2025) ·
(410) 468-0900 Dr. Jonathan Bolanos, M.D.Baltimore, MD · No drug or device payments recorded (2025) ·
(410) 328-5720 Dr. Jonathan Lim, MDBaltimore, MD · $312 in drug and device payments (2025) ·
(443) 444-3775 Dr. Jonathan Philipson, MDBaltimore, MD · No drug or device payments recorded (2025) ·
(410) 433-0040 Dr. Jose Almario, M.D.Baltimore, MD · $115 in drug and device payments (2025) ·
(410) 235-9382 Dr. Joselito Cabacar, M.D.Baltimore, MD · $1,703 in drug and device payments (2025) · Telehealth ·
(410) 235-9382 Dr. Kaleem Haque, M.D.Baltimore, MD · $468 in drug and device payments (2025) · Telehealth ·
(443) 444-3775 Dr. Katherine White, MDBaltimore, MD · $302 in drug and device payments (2025) · Telehealth ·
(443) 927-3140 Dr. Keiko GreenbergBaltimore, MD · $253 in drug and device payments (2025) · Telehealth ·
(410) 955-5268 Dr. Khalid Al-talib, M.D.Baltimore, MD · $606 in drug and device payments (2025) · Telehealth ·
(443) 559-5063 Dr. Kulwant Modi, MD,FACP,FASNBaltimore, MD · $218 in drug and device payments (2025) ·
(410) 362-3400 Dr. Luis Gimenez, MDBaltimore, MD · $30 in drug and device payments (2025) · Telehealth ·
(443) 444-3775 Dr. Manju Mavanur, MDBaltimore, MD · $135 in drug and device payments (2025) ·
(410) 706-4613 Dr. Mara Dinits-pensy, M.D.Baltimore, MD · No drug or device payments recorded (2025) ·
(410) 328-5196 Dr. Maria Isabel Villegas Kastner, M.D.Baltimore, MD · $580 in drug and device payments (2025) ·
(410) 502-7070 Dr. Mario Rubin, M.D.Baltimore, MD · No drug or device payments recorded (2025) ·
(410) 328-5720 Dr. Matthew Gross, MDBaltimore, MD · No drug or device payments recorded (2025) · Telehealth ·
(410) 502-7070 Dr. Matthew Weir, M.D.Baltimore, MD · $58,943 in drug and device payments (2025) · Telehealth ·
(410) 328-5720 Dr. Melanie Haroun, M.D.Baltimore, MD · No drug or device payments recorded (2025) · Telehealth ·
(410) 955-0670 Dr. Michael Choi, M.D.Baltimore, MD · $448 in drug and device payments (2025) · Telehealth ·
(410) 955-0670 Dr. Michael Yen, MD FACPBaltimore, MD · No drug or device payments recorded (2025) ·
(410) 225-8947 Dr. Michelle Estrella, M.D.Baltimore, MD · $11,350 in drug and device payments (2025) ·
(410) 955-5268 Dr. Moges Gebremariam, MDBaltimore, MD · No drug or device payments recorded (2025) ·
(410) 242-5520 Dr. Mohamad Hanouneh, M.DBaltimore, MD · $49,708 in drug and device payments (2025) · Telehealth ·
(216) 444-2200 Dr. Mohamed Atta, M.D.Baltimore, MD · $26,300 in drug and device payments (2025) · Telehealth ·
(410) 955-0670 Dr. Mohamed Ibrahim, MDBaltimore, MD · $3,220 in drug and device payments (2025) · Telehealth ·
(410) 328-5720 Dr. Monika Dhillon, MDBaltimore, MD · $16,003 in drug and device payments (2025) · Telehealth ·
(410) 261-8532 Dr. Morgan Grams, M.D.Baltimore, MD · No drug or device payments recorded (2025) ·
(410) 955-5268 Dr. Nada Alachkar, M.D.Baltimore, MD · No drug or device payments recorded (2025) · Telehealth ·
(410) 955-5029 Dr. Nadiesda Costa, MDBaltimore, MD · $406 in drug and device payments (2025) · Telehealth ·
(410) 328-5720 Dr. Nancy Xu, M.D.Baltimore, MD · No drug or device payments recorded (2025) ·
(410) 955-5268 Dr. Nasha Elavia, MDBaltimore, MD · $180 in drug and device payments (2025) ·
(410) 550-5568 Dr. Naveria Ammad, M.D.Baltimore, MD · $74 in drug and device payments (2025) ·
(443) 559-5063 Dr. Neal Shah, M.D.Baltimore, MD · $67 in drug and device payments (2025) ·
(434) 559-5063 Dr. Neil Agarwal, M.D.Baltimore, MD · $222 in drug and device payments (2025) ·
(410) 328-5720 Dr. Nicholas Niazi, MDBaltimore, MD · No drug or device payments recorded (2025) ·
(410) 235-9382 Dr. Nickolas Coombs, DOBaltimore, MD · $125 in drug and device payments (2025) ·
(410) 550-0100 Dr. Nirali Marvania, MDBaltimore, MD · $1,483 in drug and device payments (2025) ·
(410) 328-8667 Dr. Nityasree Srialluri, MDBaltimore, MD · No drug or device payments recorded (2025) · Telehealth ·
(410) 955-5268 Conditions Nephrology providers in Maryland commonly treat
Patients often search by condition rather than specialty. These are conditions typically managed by Nephrology providers. Individual practices vary, so confirm with the provider before booking.
- Chronic kidney disease
- Kidney stones
- Dialysis care
- High blood pressure
Common questions
How many Nephrology providers are in Maryland?There are 337 Nephrology providers with active NPI records practicing in Maryland, according to federal NPPES data refreshed monthly.
Do Nephrology providers in Maryland offer telehealth?Yes. 101 of the 337 Nephrology providers in Maryland (about 30%) report offering telehealth services in CMS data.
Which cities in Maryland have the most Nephrology providers?Baltimore (122), Bethesda (26), Salisbury (11) have the highest concentration of Nephrology providers in Maryland.
How many Nephrology providers in Maryland received drug or device company payments?186 of 337 Nephrology providers in Maryland (55%) received at least one payment from a drug or device company in 2025, according to the federal Open Payments program.
What conditions do Nephrology providers in Maryland treat?Nephrology providers commonly treat chronic kidney disease, kidney stones, dialysis care, high blood pressure and related conditions. Individual practices vary, so confirm with the provider before booking.
Where does this data come from?Provider counts and profiles come from the federal NPPES registry and CMS Doctors and Clinicians files. Payment figures come from the CMS Open Payments program for calendar year 2025. The directory refreshes monthly.
Do most Nephrologists in Maryland work in independent practices or large health systems?Among 213 Nephrologists in Maryland enrolled in Medicare, 29% bill through a solo or small practice with fewer than 10 clinicians, 33% through a mid-size group of 10 to 99, and 38% through a large group or health system with 100 or more clinicians, according to CMS enrollment records.
Which hospitals do Nephrologists in Maryland work at?According to CMS facility affiliation records, the Maryland hospitals where the most Nephrologists hold privileges are Johns Hopkins Hospital, the in Baltimore; Johns Hopkins Bayview Medical Center in Baltimore; University of Maryland Medical Center in Baltimore.
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