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About

Washington Nephrology Associates is a private nephrology medical practice based in Bethesda, MD, with four offices in the greater DC area (Bethesda and Rockville, MD). It has operated since 1984 as a partnership of nephrologists and employs about 10 people. Key details: - Location: Headquarters in Bethesda, MD; additional offices in Rockville, MD (together 4 offices across the DC area) - Services: Nephrology/medical practice - Contact: info@washingtonnephrology.com; +1 301-907-2484 - Website: washingtonnephrology.com - Industry/affiliations: Nephrology within Medical Practices Note: The company highlights provided show a focus in the Washington, DC metro area. There is no information linking Washington Nephrology Associates to Kennewick (Washington state) in the supplied content. If you’re seeking Kennewick-specific nephrology services, please share more details or a different query to compare options.

Clinic Type

Nephrology

Address

4915 AUBURN AVE, BETHESDA, Maryland 20814, US

Phone

(301) 907-3939

Email

Opening Hours

Not published — contact the clinic to confirm hours.

Services Offered

  • nephrology
  • kidney care
  • acute kidney injury
  • chronic kidney disease
  • end-stage kidney disease
  • hypertension
  • kidney stones
  • dialysis
  • transplant

Team

  • Dr. Sindhu Marampudi, MD; nephrology fellowship; internal medicine residency at Rowan University/Jefferson Health; VCOM medical degree — Nephrologist

Insurance & Payment

Languages Spoken

Current Offers

New Patient Information

FAQs

What is Washington Nephrology Associates?

A partnership of physicians practicing Nephrology in the Greater Metropolitan DC and Baltimore area since 1984.

Social Media

Photos

What Patients Say

Overall sentiment across review platforms: mixed

  • Healthgrades, WebMD: 4.5 stars (average for Kennewick nephrologists) (1377 total reviews for Kennewick nephrologists (across multiple providers))
  • WebMD (for individual provider Dr. Obioma Onuorah): 5 out of 5 stars (10 reviews)

Patients praise

  • Patients appreciate knowledgeable, caring, and professional doctors
  • Positive feedback on bedside manner and ability to explain conditions clearly
  • Providers often noted as attentive to patient concerns

Common complaints

  • Rude, condescending, or impatient office and support staff
  • Issues with communication and follow-up regarding appointments
  • Difficulty navigating administrative processes such as new patient registration and referrals

"Dr. Obioma Onuorah is one of the top 3 Best Doctors I ever had the Pleasure of Meeting!! Who he is, His Personality says A lot about Who Dr. Obioma Onuorah Is! The way he talks and Explains your Condition Is Incredible! It's Very nice to Finally go to a Doctor that cares as much as Dr. Obioma Onuorah does.. He's Patience and understanding is Quite refreshing!!"

WebMD Review

"The staff person who initiated the virtual visit was condescending and rude. ... Dr. Tandon is a kind, professional and knowledgeable provider. He deserves a better support staff."

Vitals Review

Synthesized from public review platforms as of Jul 11, 2026 — sources: [1][2][3][4].

Information sourced from the clinic's website as of July 11, 2026.

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Kadlec Clinic in the Tri-Cities area includes a network of care sites under Kadlec, a nonprofit regional health system affiliated with Providence St. Joseph Health. Kadlec provides extensive medical services across 26 clinic sites, with a focus on specialties including nephrology (kidney care) among other disciplines. The Richland/Kennewick locations serve patients in southeastern Washington and northeastern Oregon, and Kadlec’s clinics operate within a broader regional health system headquartered in Richland, WA. For nephrology-specific services in Richland–Kennewick, contact Kadlec Clinic via their main numbers or visit kadlec.org for the nephrology/clinic listings and appointment options.

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