Dr. James C. Johnson Jr., MD
- Medicare services, 2024
- 17,309
- Medicare patients, 2024
- 3,320
- Part D claims, 2024
- 5,442
- Hospital affiliations
- 5
- Industry payments
- $1,214
- Practice address
- 830 S Gloster Street, Tupelo, MS 38801
- Practice phone
- Call (662) 377-6608
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
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. James C. Johnson Jr. is a cardiologist in Tupelo, Mississippi
Dr. Johnson practices at North Mississippi Medical Center-Tupelo in Tupelo, Mississippi, part of North Mississippi Health Services.
Dr. Johnson's NPI, 1821180514, was assigned on September 29, 2006. Dr. Johnson graduated from University of Mississippi School of Medicine in 1994. Dr. Johnson holds Mississippi license 14408.
- NPI
- 1821180514NPI Registry (opens in a new tab)
- Medicare PAC ID
- 1052400686
- NPI enumeration date
- September 29, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (662) 377-6608
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 58
- Medical school graduation
- 1994
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. James C. Johnson Jr. practices at North Mississippi Medical Center-Tupelo in Tupelo, Mississippi
Dr. Johnson's primary practice is North Mississippi Medical Center-Tupelo, at 830 S Gloster Street, Tupelo, MS 38801 in Lee County. The practice phone is (662) 377-6608.
- North Mississippi Medical Center-Tupelo830 S Gloster Street, Tupelo, MS 38801 · Lee CountyPhone(662) 377-6608
Source: Dmand AI Affiliation Data
Dr. James C. Johnson Jr. is affiliated with 9 sites of care and 4 medical groups
Dr. Johnson's primary practice is North Mississippi Medical Center-Tupelo in Tupelo, Mississippi, part of North Mississippi Health Services. Dr. Johnson is also affiliated with North Mississippi Medical Center Gilmore-Amory. The medical group on file is North Mississippi Medical Center. Dmand AI also links Dr. Johnson to 3 more hospitals, 3 group practices and clinics, 3 medical groups and 1 hospice, each named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. James C. Johnson Jr.'s practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Johnson practices, 9 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| North Mississippi Medical Center-Tupelo | Available with a free account |
| +8 more sites and 3 medical groups | Available with a free account |
Source: Dmand AI Technology Install Data
For health IT teams
Dmand AI maps EHR vendors, IT decision makers and buying committees across North Mississippi Health Services and 6.2K+ hospitals, with verified contacts in the same login.
Dr. James C. Johnson Jr. is one of 129 cardiologists in Mississippi
Cardiovascular disease is Dr. Johnson's primary specialty in the NPI Registry, under taxonomy code 207RC0000X. Dr. Johnson is licensed in Mississippi.
Specialties and state licenses
- Cardiovascular disease, MississippiPrimary
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. James C. Johnson Jr. billed Medicare for 17,309 services in 2024
CMS data shows 17,309 Medicare services from Dr. Johnson across 63 procedure codes in 2024, for 3,320 Medicare patients. Medicare paid $521,219 for them.
Dr. Johnson's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Other services
- 2023: 10,5082024: 9,25612%
- Tests and treatments
- 2023: 4,7242024: 4,20411%
- Office and hospital visits
- 2023: 1,5142024: 1,5774%
- Drugs given in the office
- 2023: 6,5202024: 97385%
- Lab and pathology
- 2023: 4992024: 4784%
- Imaging
- 2023: 5082024: 42017%
- Surgery
- 2023: 3812024: 4015%
Where Dr. Johnson's Medicare services took place, 2024
- In an office16,46895%
- In a facility8415%
Dr. Johnson compared with the Mississippi median for cardiologists, 2024
- Dr. Johnson
- Mississippi median
- Medicare services
- 17,309vs 2,9255.9 times
- Medicare patients
- 3,320vs 1,1602.9 times
- Part D claims
- 5,266vs 2,6122.0 times
Medians across 130 cardiologists in Mississippi 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. James C. Johnson Jr. treated 3,320 Medicare patients in 2024, average age 76
CMS counts 3,320 Medicare patients who saw Dr. Johnson in 2024. The largest group is 75 to 84, with 1,421 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 13% are also on Medicaid. Their average risk score is 1.50, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Johnson's median patient age at 73, with 44% women.
Dr. Johnson's Medicare patients by age, 2024
Dr. Johnson's Medicare patients by sex, 2024
- Women1,54647%
- Men1,77453%
Chronic conditions among Dr. Johnson's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Ischemic heart disease63%
- Arthritis50%
- Atrial fibrillation42%
- Diabetes40%
- Heart failure34%
- Chronic kidney disease32%
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 73
Patient panel by sex, all payers
- Women44%
- Men56%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. James C. Johnson Jr. wrote 5,442 Medicare Part D claims in 2024
In 2024, Dr. Johnson wrote 5,442 Medicare Part D claims for 736 patients. 87% of them were for generic drugs. CMS names the drug for 5,266 of them, across 52 drugs with 11 or more claims each, at $576,063 in total drug cost. In 2023, CMS named 5,032 claims across 47 drugs.
Dr. Johnson's Part D claims by kind of drug, 2024
- Generic4,731 claims87%
- Brand-name711 claims13%
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: 5,0322024: 5,2665%
Drugs named by CMS: 52 in 2024, 47 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. James C. Johnson Jr. 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. James C. Johnson Jr. received $1,214 in industry payments from 2016 to 2025
CMS Open Payments shows 85 general payments to Dr. Johnson from 20 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 94% of the total. Allergan Inc. paid the most, $388.
General payments to Dr. Johnson by program year, 2016 to 2025
General payments to Dr. Johnson by kind, 2016 to 2025
- Food and beverage$1,13994%
- Education$756%
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. James C. Johnson Jr. graduated from University of Mississippi School of Medicine
Dr. Johnson graduated from University of Mississippi School of Medicine in 1994.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. James C. Johnson Jr.'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 DataDmand AI Org Hierarchy 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. James C. Johnson Jr.
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. James C. Johnson Jr.'s NPI number?
Dr. James C. Johnson Jr.'s NPI number is 1821180514. It was assigned on September 29, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. James C. Johnson Jr.?
Dr. James C. Johnson Jr. is a cardiologist in Tupelo, Mississippi. The primary specialty in the NPI Registry is Cardiovascular Disease Physician (taxonomy code 207RC0000X).
Where does Dr. James C. Johnson Jr. practice?
Dr. Johnson practices at 830 S Gloster Street, Tupelo, MS 38801. Dr. Johnson's primary practice is North Mississippi Medical Center-Tupelo in Tupelo, Mississippi, part of North Mississippi Health Services. Dmand AI also links Dr. Johnson to 3 hospitals, 3 group practices and clinics, 3 medical groups and 1 hospice.
What is Dr. James C. Johnson Jr.'s office phone number?
The practice phone on file for Dr. Johnson is (662) 377-6608.
What is Dr. James C. Johnson Jr.'s medical license number?
Dr. Johnson holds Mississippi license 14408.
Which hospitals is Dr. James C. Johnson Jr. affiliated with?
Dr. Johnson practices at North Mississippi Medical Center-Tupelo in Tupelo, Mississippi. Dr. Johnson is also affiliated with North Mississippi Medical Center Gilmore-Amory. Dmand AI links Dr. Johnson to 3 more hospitals.
What medical group is Dr. James C. Johnson Jr. part of?
Dr. Johnson is linked to North Mississippi Medical Center. Dmand AI links Dr. Johnson to 3 more medical groups.
Does Dr. James C. Johnson Jr. accept Medicare?
Yes. CMS data shows Dr. Johnson billed Medicare for 17,309 services in 2024, and Dr. Johnson accepts Medicare assignment.
How many Medicare patients does Dr. James C. Johnson Jr. see?
CMS counts 3,320 Medicare patients who saw Dr. Johnson in 2024, with an average age of 76.
What services does Dr. James C. Johnson Jr. bill to Medicare?
In 2024, Dr. Johnson's most billed Medicare services were medicare temporary code (Q9967), office visit, established patient (99213) and injected or infused drug (J2785).
Show 4 more questionsShow fewer questions
Where did Dr. James C. Johnson Jr. go to medical school?
Dr. Johnson graduated from University of Mississippi School of Medicine in 1994.
What drugs does Dr. James C. Johnson Jr. prescribe most?
In 2024 Medicare Part D data, Dr. Johnson's most prescribed drugs by claims were Metoprolol Succinate, Rosuvastatin Calcium and Carvedilol.
Has Dr. James C. Johnson Jr. received payments from drug or device companies?
CMS Open Payments shows $1,214 in general payments to Dr. Johnson from 20 companies from 2016 to 2025. The largest total came from Allergan Inc.
How long has Dr. James C. Johnson Jr. been practicing?
Dr. Johnson graduated from medical school in 1994, 32 years ago.
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