Carl Johnson, MD
Carl Johnson, MD has practiced internal medicine for 35+ years, working in group practice. He graduated from George Washington University School of Medicine in 1991 and has 35+ years of clinical experience.
Data updated 2007-07-08 on CMS NPPES
Contact & Location
Practice Location
1221 Mercantile Lane, Largo, MD 20774-5374
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Background & Specialty
Education, training, and specialty classification from CMS NPPES and Medicare records.
Education & Training
George Washington University School of Medicine (Class of 1991)
Virtual Internal Medicine Care With Carl Johnson
NPPES records indicate this provider offers telehealth services. Contact the office to confirm availability and scheduling.
Schedule a virtual visit with Carl Johnson for follow-ups, medication reviews, and ongoing care — no travel to Largo required. The office sends a secure video link before your appointment. Most visits take 15–30 minutes.
Frequently Asked Questions
Common questions about Carl Johnson
NPI records show Dr. Johnson as active with telehealth listed in Largo, MD. Note: NPI status alone doesn't confirm open availability — always call ahead. Phone: (301) 618-5540.
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Medical Disclaimer: NPI Telehealth is a provider directory for informational purposes only. This page does not constitute medical advice, diagnosis, or treatment recommendations. Provider data is sourced from the CMS NPPES federal registry and public Medicare datasets. NPI Telehealth does not verify clinical qualifications beyond federal records. Data may not reflect real-time availability — always contact the provider's office directly to confirm details before seeking care.
Contact Carl Johnson
Practice Location
1221 Mercantile Lane, Largo, MD 20774-5374
Mailing Address
Kaiser Permanente Mid Atlantic Permanente Medical Group 2101 E Jefferson St Ppqa Medicare Compliance Unit 6 W, Rockville, MD 20852-4908
This is a provider directory. Contact the office directly to schedule appointments.
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