Dr. James L. Warnock Jr., MD

  • Jackson, MS
  • Cardiologist
NPI1356360119PAC ID1254415698
Medicare services, 2024
2,655
Medicare patients, 2024
1,071
Part D claims, 2024
7,208
Hospital affiliations
5
Industry payments
$10,794
Practice address
1225 N State St, Jackson, MS 39202
Practice phone
Call (601) 968-1000
Professional email
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Personal email
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Mobile number
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Social profiles

Primary practice

Mississippi Baptist Medical Center

Hospital · Jackson, Mississippi

See all 14 affiliations

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Dr. James L. Warnock Jr. is a cardiologist in Jackson, Mississippi

Dr. Warnock practices at Mississippi Baptist Medical Center in Jackson, Mississippi, part of Baptist Memorial Health Care.

Dr. Warnock's NPI, 1356360119, was assigned on July 19, 2006. Dr. Warnock graduated from University of Mississippi School of Medicine in 1992. Dr. Warnock holds Mississippi license 13570.

NPI and contact details
Medicare PAC ID
1254415698
NPI enumeration date
July 19, 2006
NPI status
Active
Accepts Medicare assignment
Yes
Practice phone
(601) 968-1000
Professional email
Get email
Personal email
Get email
Mobile number
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Sex
Male
Estimated age
60
Medical school graduation
1992

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)

Dr. James L. Warnock Jr. practices at Mississippi Baptist Medical Center in Jackson, Mississippi

Dr. Warnock's primary practice is Mississippi Baptist Medical Center, at 1225 N State St, Jackson, MS 39202 in Hinds County. The practice phone is (601) 968-1000.

Source: Dmand AI Affiliation Data

Dr. James L. Warnock Jr. is affiliated with 9 sites of care and 5 medical groups

Dr. Warnock's primary practice is Mississippi Baptist Medical Center in Jackson, Mississippi, part of Baptist Memorial Health Care. Dr. Warnock is also affiliated with University of Mississippi Medical Center. The medical group on file is Baptist Medical Clinics. Dmand AI also links Dr. Warnock to 3 more hospitals, 4 group practices and clinics and 4 medical groups, each named with a free account.

See all 14 affiliations for Dr. Warnock

Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data

Dmand AI tracks the EHR system at Dr. James L. Warnock Jr.'s practice

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Warnock practices, 9 sites in all. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
Mississippi Baptist Medical CenterAvailable with a free account
+8 more sites and 4 medical groupsAvailable with a free account

Source: Dmand AI Technology Install Data

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Dr. James L. Warnock Jr. is one of 129 cardiologists in Mississippi

Cardiovascular disease is Dr. Warnock's primary specialty in the NPI Registry, under taxonomy code 207RC0000X. Dr. Warnock is licensed in Mississippi.

Specialties and state licenses

  • Cardiovascular disease, MississippiPrimaryLicense 13570 · taxonomy 207RC0000X

Cardiologists near Dr. Warnock

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 L. Warnock Jr. billed Medicare for 2,655 services in 2024

CMS data shows 2,655 Medicare services from Dr. Warnock across 32 procedure codes in 2024, for 1,071 Medicare patients. Medicare paid $107,967 for them.

Medicare services, 20242,655
Medicare patients1,071
Paid by Medicare$107,967
Procedure codes32

Dr. Warnock's Medicare services by type, 2023 to 2024

  • 2023
  • 2024
Tests and treatments
2023: 1,0682024: 1,32524%
Office and hospital visits
2023: 1,1432024: 1,03410%
Imaging
2023: 1522024: 22045%
Other services
2023: 02024: 63
Surgery
2023: 02024: 13

Where Dr. Warnock's Medicare services took place, 2024

  • In an office572%
  • In a facility2,59898%

Dr. Warnock compared with the Mississippi median for cardiologists, 2024

  • Dr. Warnock
  • Mississippi median
Medicare services
2,655vs 2,9259% below
Medicare patients
1,071vs 1,1608% below
Part D claims
7,023vs 2,6122.7 times

Medians across 130 cardiologists in Mississippi with Dmand AI profiles that report each measure.

Dr. Warnock'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.

See all procedures by Dr. Warnock

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Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks

Dr. James L. Warnock Jr. treated 1,071 Medicare patients in 2024, average age 76

CMS counts 1,071 Medicare patients who saw Dr. Warnock in 2024. The largest group is 75 to 84, with 472 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 8% are also on Medicaid. Their average risk score is 1.46, where 1.00 is the Medicare average.

Across all payers, Dmand AI patient panel data puts Dr. Warnock's median patient age at 75, with 47% women.

Medicare patients, 20241,071
Average age76
Average risk score1.46
Also on Medicaid8%

Dr. Warnock's Medicare patients by age, 2024

Dr. Warnock's Medicare patients by sex, 2024

  • Women48645%
  • Men58555%

Chronic conditions among Dr. Warnock's Medicare patients, 2024

  1. High blood pressure75%
  2. High cholesterol75%
  3. Arthritis53%
  4. Ischemic heart disease52%
  5. Atrial fibrillation38%
  6. Diabetes35%
  7. Heart failure33%
  8. Chronic kidney disease28%

Share of Medicare patients with each condition. A patient can have several.

Dr. Warnock'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

  • Women47%
  • Men53%

Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data

Dr. James L. Warnock Jr. wrote 7,208 Medicare Part D claims in 2024

In 2024, Dr. Warnock wrote 7,208 Medicare Part D claims for 773 patients. 82% of them were for generic drugs. CMS names the drug for 7,023 of them, across 56 drugs with 11 or more claims each, at $1,052,235 in total drug cost. In 2023, CMS named 6,575 claims across 56 drugs.

Part D claims, 20247,208
Drugs named by CMS56
Total drug cost$1.1M
Part D patients773

Dr. Warnock's Part D claims by kind of drug, 2024

  • Generic5,911 claims82%
  • Brand-name1,297 claims18%

Dr. Warnock'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: 6,5752024: 7,0237%

Drugs named by CMS: 56 in 2024, 56 in 2023.

See all prescribing by Dr. Warnock

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 L. Warnock Jr. takes part in Medicare

Dr. Warnock 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 L. Warnock Jr. received $10,794 in industry payments from 2016 to 2025

CMS Open Payments shows 542 general payments to Dr. Warnock from 51 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 98% of the total. Novartis Pharmaceuticals Corporation paid the most, $2,272.

General payments to Dr. Warnock by program year, 2016 to 2025

General payments to Dr. Warnock by kind, 2016 to 2025

$10.8Kin total
  • Food and beverage$10,56598%
  • Education$1431%
  • Entertainment$861%

Companies that paid Dr. Warnock the most, 2016 to 2025

Share is of all general payments to this clinician.

See all payments to Dr. Warnock

Source: Open Payments (CMS), 2025 data, released July 7, 2026

Dr. James L. Warnock Jr. graduated from University of Mississippi School of Medicine

Dr. Warnock graduated from University of Mississippi School of Medicine in 1992.

  1. Medical schoolUniversity of Mississippi School of Medicine

Source: Dmand AI Professional Profile Data

Sources for Dr. James L. Warnock Jr.'s profile data

Sources for the data on this page
Data on this pageSource
NPI, name, sex, specialty and licensesNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data
Practice locations and phoneDmand AI Affiliation Data
Primary practice, affiliations and health systemDmand AI Affiliation DataDmand AI Org Hierarchy Data
Medicare services and procedure codesMedicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab)
State medians for the same specialtyDmand AI Peer Benchmarks
Medicare patients and the all-payer patient panelDmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab)
Part D prescribingMedicare 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 percentilesDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab)
Industry paymentsOpen Payments (CMS) (opens in a new tab)
Training, board certification and membershipsDmand AI Professional Profile Data
EHR at each practice siteDmand AI Technology Install Data
Similar physiciansDmand AI Affiliation Data

Data last refreshed October 2026Report an inaccuracyRemove my information

FAQ

Frequently asked questions about Dr. James L. Warnock 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 L. Warnock Jr.'s NPI number?

Dr. James L. Warnock Jr.'s NPI number is 1356360119. It was assigned on July 19, 2006, and it is active in the NPI Registry.

What kind of doctor is Dr. James L. Warnock Jr.?

Dr. James L. Warnock Jr. is a cardiologist in Jackson, Mississippi. The primary specialty in the NPI Registry is Cardiovascular Disease Physician (taxonomy code 207RC0000X).

Where does Dr. James L. Warnock Jr. practice?

Dr. Warnock practices at 1225 N State St, Jackson, MS 39202. Dr. Warnock's primary practice is Mississippi Baptist Medical Center in Jackson, Mississippi, part of Baptist Memorial Health Care. Dmand AI also links Dr. Warnock to 3 hospitals, 4 group practices and clinics and 4 medical groups.

What is Dr. James L. Warnock Jr.'s office phone number?

The practice phone on file for Dr. Warnock is (601) 968-1000.

What is Dr. James L. Warnock Jr.'s medical license number?

Dr. Warnock holds Mississippi license 13570.

Which hospitals is Dr. James L. Warnock Jr. affiliated with?

Dr. Warnock practices at Mississippi Baptist Medical Center in Jackson, Mississippi. Dr. Warnock is also affiliated with University of Mississippi Medical Center. Dmand AI links Dr. Warnock to 3 more hospitals.

What medical group is Dr. James L. Warnock Jr. part of?

Dr. Warnock is linked to Baptist Medical Clinics. Dmand AI links Dr. Warnock to 4 more medical groups.

Does Dr. James L. Warnock Jr. accept Medicare?

Yes. CMS data shows Dr. Warnock billed Medicare for 2,655 services in 2024, and Dr. Warnock accepts Medicare assignment.

How many Medicare patients does Dr. James L. Warnock Jr. see?

CMS counts 1,071 Medicare patients who saw Dr. Warnock in 2024, with an average age of 76.

What services does Dr. James L. Warnock Jr. bill to Medicare?

In 2024, Dr. Warnock's most billed Medicare services were office visit, established patient (99214), heart test or procedure (93306) and heart test or procedure (93010).

Show 4 more questionsShow fewer questions

Where did Dr. James L. Warnock Jr. go to medical school?

Dr. Warnock graduated from University of Mississippi School of Medicine in 1992.

What drugs does Dr. James L. Warnock Jr. prescribe most?

In 2024 Medicare Part D data, Dr. Warnock's most prescribed drugs by claims were Eliquis, Metoprolol Succinate and Atorvastatin Calcium.

Has Dr. James L. Warnock Jr. received payments from drug or device companies?

CMS Open Payments shows $10,794 in general payments to Dr. Warnock from 51 companies from 2016 to 2025. The largest total came from Novartis Pharmaceuticals Corporation.

How long has Dr. James L. Warnock Jr. been practicing?

Dr. Warnock graduated from medical school in 1992, 34 years ago.

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