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About

Doctors of Internal Medicine is a private, physician-led internal medicine and primary care practice based in Plano, Texas, serving adults across North Texas for over 20 years. They offer board-certified internal medicine and general internal medicine with a broad in-house suite of services, including family medicine, women’s health, on-site lab testing, X-rays, allergy testing/shots, sonograms, and EKGs. The clinic operates eight offices in North Texas, including locations in Plano, Frisco, Sunnyvale, and Garland. Key details: founded 1999; privately held; HQ in Plano; phone (972) 758-4455; NAICS 62/621, SIC 62/801. For someone seeking top internal medicine care in Frisco or North Texas, they present as a long-standing, comprehensive care option with in-house diagnostics and primary care services.

Clinic Type

Internal Medicine

Address

Plano, West Plano (Castle), Sunnyvale, Frisco, McKinney, Garland (Shiloh)

Phone

Not provided

Email

Opening Hours

Not specified

Telehealth

Not specified

Emergency Care

Not specified

Services Offered

  • Internal medicine
  • Adult primary care
  • Chronic disease management
  • Preventive health screenings
  • Immunizations
  • PRP therapy
  • On-site diagnostics
  • Care coordination with specialists
  • EKG
  • Pulmonary function testing
  • Diagnostic imaging coordination
  • Lab services
  • Executive health assessments
  • DOT/Sports physicals
  • Medicare annual visits
  • New patient comprehensive evaluations
  • Streptoid testing? (not specified)

Technology & Equipment

  • On-site labs
  • EKG
  • Pulmonary function testing
  • Diagnostic imaging coordination

Team

  • Board-certified internists, Board-certified — Physicians

Insurance & Payment

  • Most major insurance plans including Medicare, Aetna, BCBS, Cigna, United Healthcare
  • Medicare
  • Aetna
  • BCBS
  • Cigna
  • United Healthcare
  • and more

Free insurance verification.

Not specified

Financing: Not specified

Savings plan: Not specified

Languages Spoken

  • English

Pricing

  • None provided

Current Offers

New Patient Welcome — null

FAQs

What services are offered?

Comprehensive adult primary care, chronic disease management, preventive services, on-site diagnostics, PRP therapy, and care coordination.

Do you offer virtual visits or telemedicine appointments?

Yes! We offer telehealth appointments for established patients for certain conditions and situations.

Do you accept Medicare and Medicare Advantage plans?

Yes! We proudly accept Medicare and most Medicare Advantage plans at all six of our DFW locations.

Commitments

  • Same-day appointments
  • Most Insurance Accepted
  • Serving DFW since 1999
  • 6 DFW locations
  • Walk-ins welcome at select locations

Awards & Accreditations

  • Award-winning doctors (per site text)

Photos

What Patients Say

Overall sentiment across review platforms: positive

  • Healthgrades: 4.9/5 (295 reviews)
  • Vitals: 4.9/5 (203 reviews)
  • Healthgrades: 4.5/5 (154 reviews)
  • WebMD: 5.0/5 (112 reviews)
  • Healthgrades: 4.8/5 (127 reviews)
  • Healthgrades: 5.0/5 (212 reviews)

Patients praise

  • Thorough explanations of health conditions and treatments
  • Professional and knowledgeable demeanor
  • Good listening skills and attentive care
  • Caring and personable bedside manner
  • Effective management of chronic health conditions

Common complaints

  • Long wait times
  • Rushed appointments
  • Difficulty scheduling appointments
  • Unfriendly or unprofessional office staff
  • Concerns regarding billing practices
  • Communication issues with providers and office staff

"Best doctor I've ever had and I'm 75 years old. Dr. Townsend was professional, kind and thorough. He truly cares about my health and well being."

Healthgrades - Dr. Sean Townsend

"SHE LISTENS & DISCUSSES YOUR CURRENT SICKNESS. THEN SUGGESTS THINGS FOR YOU TO DO TO HELP GET BETTER & SHE EXPLAINS WHAT MEDICINES SHE IS PRESCRIBING AND HOW THEY SHOULD HELP."

Select Internal Medicine Patient Review

"Very disrespectful doctor. Was rushed, non flexible. She said she did not care about me missing work because of her. Had to wait 45 minutes..."

Vitals - Dr. Anagha P. Agarwal

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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