Dr. Carl Johnson, MD
- Medicare services, 2024
- 1,408
- Medicare patients, 2024
- 463
- Part D claims, 2024
- 4,546
- Hospital affiliations
- 1
- Industry payments
- $50
- Practice address
- 5801 Allentown Rd, Suitland, MD 20746
- Practice phone
- Call (240) 427-1630
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
DC Metropolitan Vascular & Ir Procedure Center
Suitland, Maryland
Find Dr. Johnson's professional email, personal email and mobile number
Dmand AI checks each channel through healthcare-specific waterfall enrichment. See what is on file with a free account, with practice phones, licenses and affiliations.
Dr. Carl Johnson is an internist in Suitland, Maryland
Dr. Johnson practices at DC Metropolitan Vascular & Ir Procedure Center in Suitland, Maryland.
Dr. Johnson's NPI, 1205994266, was assigned on December 4, 2006. Dr. Johnson graduated from George Washington University School of Medicine in 1991. Dr. Johnson holds Maryland license D45881.
- NPI
- 1205994266NPI Registry (opens in a new tab)
- Medicare PAC ID
- 6305178708
- NPI enumeration date
- December 4, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
- Practice phone
- (240) 427-1630
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 61
- Medical school graduation
- 1991
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Carl Johnson practices at DC Metropolitan Vascular & Ir Procedure Center in Suitland, Maryland
Dr. Johnson's primary practice is DC Metropolitan Vascular & Ir Procedure Center, at 5801 Allentown Rd, Suitland, MD 20746 in Prince Georges County. The practice phone is (240) 427-1630.
- DC Metropolitan Vascular & Ir Procedure Center5801 Allentown Rd, Suitland, MD 20746 · Prince Georges CountyPhone(240) 427-1630
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Carl Johnson is affiliated with 6 sites of care and 1 medical group
Dr. Johnson's primary practice is DC Metropolitan Vascular & Ir Procedure Center in Suitland, Maryland. Dr. Johnson is also affiliated with MedStar Washington Hospital Center. The medical group on file is MedStar Medical Group. Dmand AI also links Dr. Johnson to 3 more home health agencies and 1 group practice or clinic, each named with a free account.
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; and Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Dr. Carl Johnson's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Johnson practices, 5 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| DC Metropolitan Vascular & Ir Procedure Center | Available with a free account |
| +5 more affiliated sites | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Carl Johnson is one of 3,320 internists in Maryland
Internal medicine is Dr. Johnson's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dr. Johnson is licensed in Maryland.
Specialties and state licenses
- Internal medicine, MarylandPrimary
Internists near Dr. Johnson
Counts of internists with a Dmand AI profile, by place and practice. Each opens the list.
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Dr. Carl Johnson billed Medicare for 1,408 services in 2024
CMS data shows 1,408 Medicare services from Dr. Johnson across 11 procedure codes in 2024, for 463 Medicare patients. Medicare paid $100,784 for them. Every service was in an office.
Dr. Johnson's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 6432024: 71912%
- Other services
- 2023: 3172024: 41732%
- Tests and treatments
- 2023: 2132024: 27228%
Dr. Johnson compared with the Maryland median for internists, 2024
- Dr. Johnson
- Maryland median
- Medicare services
- 1,408vs 6562.1 times
- Medicare patients
- 463vs 25184% above
- Part D claims
- 3,873vs 30912.5 times
Medians across 3,215 internists in Maryland with Dmand AI profiles that report each measure.
Dr. Johnson's most billed Medicare procedure codes, 2024
CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.
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Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Carl Johnson treated 463 Medicare patients in 2024, average age 75
CMS counts 463 Medicare patients who saw Dr. Johnson in 2024. The largest group is 65 to 74, with 214 patients. 75% of them have high blood pressure, and 70% have high cholesterol. 5% are also on Medicaid. Their average risk score is 1.09, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Johnson's median patient age at 67, with 53% women.
Dr. Johnson's Medicare patients by age, 2024
Dr. Johnson's Medicare patients by sex, 2024
- Women29564%
- Men16836%
Chronic conditions among Dr. Johnson's Medicare patients, 2024
- High blood pressure75%
- High cholesterol70%
- Diabetes62%
- Arthritis44%
- Chronic kidney disease25%
- Ischemic heart disease22%
- Cancer17%
- Asthma11%
Share of Medicare patients with each condition. A patient can have several.
Dr. Johnson's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 67
Patient panel by sex, all payers
- Women53%
- Men43%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Carl Johnson wrote 4,546 Medicare Part D claims in 2024
In 2024, Dr. Johnson wrote 4,546 Medicare Part D claims for 535 patients. 89% of them were for generic drugs. CMS names the drug for 3,873 of them, across 88 drugs with 11 or more claims each, at $291,925 in total drug cost. In 2023, CMS named 1,866 claims across 56 drugs.
Dr. Johnson's Part D claims by kind of drug, 2024
- Generic4,061 claims89%
- Brand-name471 claims10%
- Other14 claims0%
Dr. Johnson's most prescribed drugs by claims, 2024
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
Drug classes CMS tracks in Dr. Johnson's Part D claims, 2024
- Opioids1%34 of 4,546 claims
- Antibiotics1%61 of 4,546 claims
- Antipsychotics, patients 65 and over1%32 of 4,546 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
Part D claims for drugs CMS names, 2023 to 2024
- 2023
- 2024
- Claims for drugs CMS names
- 2023: 1,8662024: 3,873108%
Drugs named by CMS: 88 in 2024, 56 in 2023.
Sources: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026; and Medicare Part D Prescribers - by Provider (CMS), 2024 data
Dr. Carl Johnson offers telehealth to Medicare patients
Dr. Johnson accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Johnson as offering telehealth.
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
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Dr. Carl Johnson received $50 in industry payments from 2022 to 2025
CMS Open Payments shows 3 general payments to Dr. Johnson from 2 drug and device companies from 2022 to 2025. Food and beverage make up the largest share, 100% of the total. Pfizer Inc. paid the most, $30.
General payments to Dr. Johnson by program year, 2022 to 2025
Companies that paid Dr. Johnson the most, 2022 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Carl Johnson graduated from George Washington University School of Medicine
Dr. Johnson graduated from George Washington University School of Medicine in 1991.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Carl Johnson's profile data
| Data on this page | Source |
|---|---|
| NPI, name, sex, specialty and licenses | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data |
| Practice locations and phone | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data |
| Primary practice, affiliations and health system | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand AI Affiliation Data |
| Medicare services and procedure codes | Medicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab) |
| State medians for the same specialty | Dmand AI Peer Benchmarks |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab) |
| Part D prescribing | Medicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab)Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab) |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| EHR at each practice site | Dmand AI Technology Install Data |
| Similar physicians | Dmand AI Affiliation Data |
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about Dr. Carl Johnson
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Dr. Carl Johnson's NPI number?
Dr. Carl Johnson's NPI number is 1205994266. It was assigned on December 4, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Carl Johnson?
Dr. Carl Johnson is an internist in Suitland, Maryland. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).
Where does Dr. Carl Johnson practice?
Dr. Johnson practices at 5801 Allentown Rd, Suitland, MD 20746. Dr. Johnson's primary practice is DC Metropolitan Vascular & Ir Procedure Center in Suitland, Maryland. Dmand AI also links Dr. Johnson to 3 home health agencies and 1 group practice or clinic.
What is Dr. Carl Johnson's office phone number?
The practice phone on file for Dr. Johnson is (240) 427-1630.
What is Dr. Carl Johnson's medical license number?
Dr. Johnson holds Maryland license D45881.
Which hospitals is Dr. Carl Johnson affiliated with?
Dr. Johnson is affiliated with MedStar Washington Hospital Center.
What medical group is Dr. Carl Johnson part of?
Dr. Johnson is linked to MedStar Medical Group.
Does Dr. Carl Johnson accept Medicare?
Yes. CMS data shows Dr. Johnson billed Medicare for 1,408 services in 2024, and Dr. Johnson accepts Medicare assignment.
Does Dr. Carl Johnson offer telehealth?
Yes. The CMS Doctors and Clinicians file lists Dr. Johnson as offering telehealth services.
How many Medicare patients does Dr. Carl Johnson see?
CMS counts 463 Medicare patients who saw Dr. Johnson in 2024, with an average age of 75.
Show 5 more questionsShow fewer questions
What services does Dr. Carl Johnson bill to Medicare?
In 2024, Dr. Johnson's most billed Medicare services were office visit, established patient (99214), medicare service (G0439) and office visit, established patient (99213).
Where did Dr. Carl Johnson go to medical school?
Dr. Johnson graduated from George Washington University School of Medicine in 1991.
What drugs does Dr. Carl Johnson prescribe most?
In 2024 Medicare Part D data, Dr. Johnson's most prescribed drugs by claims were Atorvastatin Calcium, Amlodipine Besylate and Hydrochlorothiazide.
Has Dr. Carl Johnson received payments from drug or device companies?
CMS Open Payments shows $50 in general payments to Dr. Johnson from 2 companies from 2022 to 2025. The largest total came from Pfizer Inc.
How long has Dr. Carl Johnson been practicing?
Dr. Johnson graduated from medical school in 1991, 35 years ago.
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