Dr. Edwin Mark Johnson, MD
- Medicare services, 2024
- 4,107
- Medicare patients, 2024
- 1,710
- Part D claims, 2024
- 4,155
- Hospital affiliations
- 2
- Industry payments
- $3,806
- Practice address
- 802 N Dupont Blvd, Milford, DE 19963
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Bayhealth Cardiology Consultants Milford - HOPD
Acute Care Hospital outpatient department · Milford, Delaware
Find Dr. Johnson's professional email, personal email and mobile number
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Dr. Edwin Mark Johnson is a cardiologist in Milford, Delaware
Dr. Johnson practices at Bayhealth Cardiology Consultants Milford - HOPD in Milford, Delaware.
Dr. Johnson's NPI, 1598732224, was assigned on March 1, 2006. Dr. Johnson graduated from Hahnemann University College of Medicine in 1984. Dr. Johnson holds Delaware license C10003314.
- NPI
- 1598732224NPI Registry (opens in a new tab)
- Medicare PAC ID
- 9537062237
- NPI enumeration date
- March 1, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 68
- Medical school graduation
- 1984
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Edwin Mark Johnson practices at Bayhealth Cardiology Consultants Milford - HOPD in Milford, Delaware
Dr. Johnson's primary practice is Bayhealth Cardiology Consultants Milford - HOPD, at 802 N Dupont Blvd, Milford, DE 19963.
- Bayhealth Cardiology Consultants Milford - HOPD802 N Dupont Blvd, Milford, DE 19963
Source: Dmand AI Affiliation Data
Dr. Edwin Mark Johnson is affiliated with 4 sites of care and 1 medical group
Dr. Johnson's primary practice is Bayhealth Cardiology Consultants Milford - HOPD in Milford, Delaware. Dr. Johnson is also affiliated with Bayhealth Hospital, Sussex Campus. The medical group on file is Bayhealth. Dmand AI also links Dr. Johnson to 1 more hospital and 1 group practice or clinic, each named with a free account. Dr. Johnson's employer is on file too: a hospital.
Source: Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Dr. Edwin Mark Johnson's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Johnson practices, 4 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Bayhealth Cardiology Consultants Milford - HOPD | Available with a free account |
| +3 more affiliated sites | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Edwin Mark Johnson is one of 106 cardiologists in Delaware
Cardiovascular disease is Dr. Johnson's primary specialty in the NPI Registry, under taxonomy code 207RC0000X. Dr. Johnson is licensed in Delaware.
Specialties and state licenses
- Cardiovascular disease, DelawarePrimary
Cardiologists near Dr. Johnson
Counts of cardiologists 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. Edwin Mark Johnson billed Medicare for 4,107 services in 2024
CMS data shows 4,107 Medicare services from Dr. Johnson across 14 procedure codes in 2024, for 1,710 Medicare patients. Medicare paid $139,939 for them.
Dr. Johnson's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Tests and treatments
- 2023: 2,6892024: 2,5764%
- Office and hospital visits
- 2023: 1,6722024: 1,5149%
- Other services
- 2023: 02024: 17
Where Dr. Johnson's Medicare services took place, 2024
- In an office3,06275%
- In a facility1,04525%
Dr. Johnson compared with the Delaware median for cardiologists, 2024
- Dr. Johnson
- Delaware median
- Medicare services
- 4,107vs 2,79247% above
- Medicare patients
- 1,710vs 1,47816% above
- Part D claims
- 3,929vs 2,33069% above
Medians across 103 cardiologists in Delaware 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. Edwin Mark Johnson treated 1,710 Medicare patients in 2024, average age 76
CMS counts 1,710 Medicare patients who saw Dr. Johnson in 2024. The largest group is 65 to 74, with 680 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 11% are also on Medicaid. Their average risk score is 1.66, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.
Across all payers, Dmand AI patient panel data puts Dr. Johnson's median patient age at 75, with 45% women.
Dr. Johnson's Medicare patients by age, 2024
Dr. Johnson's Medicare patients by sex, 2024
- Women78546%
- Men92554%
Chronic conditions among Dr. Johnson's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Arthritis52%
- Ischemic heart disease49%
- Diabetes41%
- Chronic kidney disease39%
- Atrial fibrillation37%
- Heart failure30%
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 75
Patient panel by sex, all payers
- Women45%
- Men54%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Edwin Mark Johnson wrote 4,155 Medicare Part D claims in 2024
In 2024, Dr. Johnson wrote 4,155 Medicare Part D claims for 612 patients. 85% of them were for generic drugs. CMS names the drug for 3,929 of them, across 46 drugs with 11 or more claims each, at $769,073 in total drug cost. In 2023, CMS named 4,059 claims across 45 drugs.
Dr. Johnson's Part D claims by kind of drug, 2024
- Generic3,526 claims85%
- Brand-name629 claims15%
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.
Part D claims for drugs CMS names, 2023 to 2024
- 2023
- 2024
- Claims for drugs CMS names
- 2023: 4,0592024: 3,9293%
Drugs named by CMS: 46 in 2024, 45 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
How Dr. Edwin Mark Johnson takes part in Medicare
Dr. Johnson accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
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Dr. Edwin Mark Johnson received $3,806 in industry payments from 2016 to 2025
CMS Open Payments shows 298 general payments to Dr. Johnson from 21 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 100% of the total. Amgen Inc. paid the most, $718.
General payments to Dr. Johnson by program year, 2016 to 2025
General payments to Dr. Johnson by kind, 2016 to 2025
- Food and beverage$3,787100%
- Education$190%
Companies that paid Dr. Johnson the most, 2016 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Edwin Mark Johnson graduated from Hahnemann University College of Medicine
Dr. Johnson graduated from Hahnemann University College of Medicine in 1984.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Edwin Mark 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 | Dmand AI Affiliation Data |
| Primary practice, affiliations and health system | Dmand 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. Edwin Mark 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. Edwin Mark Johnson's NPI number?
Dr. Edwin Mark Johnson's NPI number is 1598732224. It was assigned on March 1, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Edwin Mark Johnson?
Dr. Edwin Mark Johnson is a cardiologist in Milford, Delaware. The primary specialty in the NPI Registry is Cardiovascular Disease Physician (taxonomy code 207RC0000X).
Where does Dr. Edwin Mark Johnson practice?
Dr. Johnson practices at 802 N Dupont Blvd, Milford, DE 19963. Dr. Johnson's primary practice is Bayhealth Cardiology Consultants Milford - HOPD in Milford, Delaware. Dmand AI also links Dr. Johnson to 1 hospital and 1 group practice or clinic.
What is Dr. Edwin Mark Johnson's medical license number?
Dr. Johnson holds Delaware license C10003314.
Which hospitals is Dr. Edwin Mark Johnson affiliated with?
Dr. Johnson is affiliated with Bayhealth Hospital, Sussex Campus. Dmand AI links Dr. Johnson to 1 more hospital.
What medical group is Dr. Edwin Mark Johnson part of?
Dr. Johnson is linked to Bayhealth.
Does Dr. Edwin Mark Johnson accept Medicare?
Yes. CMS data shows Dr. Johnson billed Medicare for 4,107 services in 2024, and Dr. Johnson accepts Medicare assignment.
How many Medicare patients does Dr. Edwin Mark Johnson see?
CMS counts 1,710 Medicare patients who saw Dr. Johnson in 2024, with an average age of 76.
What services does Dr. Edwin Mark Johnson bill to Medicare?
In 2024, Dr. Johnson's most billed Medicare services were heart test or procedure (93000), office visit, established patient (99213) and heart test or procedure (93010).
Where did Dr. Edwin Mark Johnson go to medical school?
Dr. Johnson graduated from Hahnemann University College of Medicine in 1984.
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What drugs does Dr. Edwin Mark Johnson prescribe most?
In 2024 Medicare Part D data, Dr. Johnson's most prescribed drugs by claims were Metoprolol Succinate, Atorvastatin Calcium and Eliquis.
Has Dr. Edwin Mark Johnson received payments from drug or device companies?
CMS Open Payments shows $3,806 in general payments to Dr. Johnson from 21 companies from 2016 to 2025. The largest total came from Amgen Inc.
How long has Dr. Edwin Mark Johnson been practicing?
Dr. Johnson graduated from medical school in 1984, 42 years ago.
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