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About

Pulmonology at Rockville Internal Medicine Group (RIMG) in Rockville, MD: - Part of a multi-specialty practice with locations in Rockville and Olney, MD. - Services include pulmonology among other specialties (internal medicine, sleep medicine, dermatology, gastroenterology, nutrition, sports medicine, etc.). - HQ at 1201 Seven Locks Rd, Potomac (near Rockville) with additional offices in Olney and Rockville. - Practice size: about 28 staff; annual revenue ~$10.3M. - Part of a larger Rockville Internal Medicine Group multi-location system serving the U.S. with five offices.

Clinic Type

Pulmonology

Address

1201 Seven Locks Rd, Potomac, Maryland 20854-2931, US

Phone

3017625020

Email

Compliance@priviahealth.com

Opening Hours

Not published — contact the clinic to confirm hours.

Services Offered

  • Pulmonology
  • Pulmonary Function Lab
  • Bronchoscopy
  • Laryngoscopy
  • Thoracentesis
  • Pulmonary Stress Testing
  • Plain spirometry
  • Plain + post Albuterol
  • Full – DLCO, Lung Volumes
  • Exhale Nitric Oxide
  • 6 minute Walk Test
  • 24 Hour Pulse Oximetry

Technology & Equipment

  • Pulmonary Function Lab
  • X-ray
  • endoscopy

Team

  • Asefa J. Mekonnen, MD — MD
  • Ira L. Berger, MD, FACCP — MD
  • Jon Shirazi — CRNP

Insurance & Payment

Languages Spoken

  • English

Photos

What Patients Say

Overall sentiment across review platforms: mixed

  • WebMD and Vitals: 4.3-4.5 out of 5 stars (13 ratings (for individual pulmonologists))
  • Vitals: 4.5 out of 5 stars (11 ratings (for individual pulmonologist))

Patients praise

  • Physicians are frequently described as competent, knowledgeable, and attentive
  • Convenient in-office lab services and procedures
  • Well-organized medical practice overall with a long history in the community
  • Providers take time to explain conditions and treatments clearly

Common complaints

  • Difficulties with phone communications and automated systems
  • Poor staff responsiveness or perceived rudeness from administrative and phlebotomy staff
  • Long wait times for appointments
  • Concerns regarding inflexible scheduling policies and 'meet and greet' requirements for new patients

"Dr. Pollack has been very helpful to me with my difficult pulmonary problems over the years. I am very grateful. He listens carefully, asks the right questions and seeks to bring relief."

Vitals review for Dr. Alan Pollack

"The staff assistants and phlebotomists are rude and could care less. The doctors are competent and attentive. The basic problem for RIMG is its pitiful attempt to communicate electronically (or by phone) with patients."

Unilocal review of Rockville Internal Medicine Group

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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