Dr. Justin T. Baker, MD

  • Jackson, MS
  • Hematologist and oncologist
NPI1639119589PAC ID2769495704
Medicare services, 2024
168,096
Medicare patients, 2024
1,054
Part D claims, 2024
2,082
Publications
1
Clinical trials
2
Practice address
1227 N State St, Jackson, MS 39202
Practice phone
Call (601) 355-2485
Professional email
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Personal email
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Mobile number
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Social profiles

Primary practice

Jackson Oncology Associates

Jackson, Mississippi

See all 9 affiliations

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Dr. Justin T. Baker is a hematologist and oncologist in Jackson, Mississippi

Dr. Baker practices at Jackson Oncology Associates in Jackson, Mississippi.

Dr. Baker's NPI, 1639119589, was assigned on June 8, 2006. Dr. Baker graduated from University of Mississippi Medical Center - Jackson in 2000. Dr. Baker's Mississippi license number on file is 17499.

NPI and contact details
Medicare PAC ID
2769495704
NPI enumeration date
June 8, 2006
NPI status
Active
Accepts Medicare assignment
Yes
Practice phone
(601) 355-2485
Professional email
Get email
Personal email
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Mobile number
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Sex
Male
Estimated age
52
Medical school graduation
2000

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

Dr. Justin T. Baker practices at Jackson Oncology Associates in Jackson, Mississippi

Dr. Baker's primary practice is Jackson Oncology Associates, at 1227 N State St, Jackson, MS 39202 in Hinds County. The practice phone is (601) 355-2485.

  • Jackson Oncology Associates
    1227 N State St, Jackson, MS 39202 · Hinds CountyPhone(601) 355-2485

Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data

Dr. Justin T. Baker is affiliated with 8 sites of care and 1 medical group

Dr. Baker's primary practice is Jackson Oncology Associates in Jackson, Mississippi. Dr. Baker is also affiliated with Mississippi Baptist Medical Center. The medical group on file is Jackson Oncology Associates. Dmand AI also links Dr. Baker to 4 more hospitals, 1 group practice or clinic and 1 home health agency, each named with a free account.

See all 9 affiliations for Dr. Baker

Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; and Dmand AI Affiliation Data

Dmand AI tracks the EHR system at Dr. Justin T. Baker's practice

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Baker practices, 7 sites in all. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
Jackson Oncology AssociatesAvailable with a free account
+7 more affiliated sitesAvailable with a free account

Source: Dmand AI Technology Install Data

For health IT teams

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Dr. Justin T. Baker is one of 57 hematologists and oncologists in Mississippi

Hematology and oncology is Dr. Baker's primary specialty in the NPI Registry, under taxonomy code 207RH0003X. Dr. Baker is board certified in medical oncology by the American Board of Internal Medicine. Dmand AI has Dr. Baker's licenses on file in 2 states: Mississippi and Tennessee.

Specialties and state licenses

  • Hematology and oncology, MississippiPrimaryLicense 17499 · 2002 to 2025 · taxonomy 207RH0003X
  • Tennessee licenseLicense MD40878 · 2006 to 2009

Clinical focus

Dmand AI lists breast cancer, chronic anemia, chronic leukemia, colorectal cancer, deep vein thrombosis (DVT), lung cancer, lymphoma and multiple myeloma among the conditions Dr. Baker treats.

Hematologists and oncologists near Dr. Baker

Counts of hematologists and oncologists 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. Justin T. Baker billed Medicare for 168,096 services in 2024

CMS data shows 168,096 Medicare services from Dr. Baker across 68 procedure codes in 2024, for 1,054 Medicare patients. Medicare paid $4,206,724 for them.

Medicare services, 2024168,096
Medicare patients1,054
Paid by Medicare$4.2M
Procedure codes68

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

  • 2023
  • 2024
Drugs given in the office
2023: 218,0462024: 153,57930%
Lab and pathology
2023: 7,1102024: 7,110No change
Tests and treatments
2023: 3,2772024: 3,269No change
Office and hospital visits
2023: 2,3692024: 2,1898%
Surgery
2023: 1,9632024: 1,9491%
Other services
2023: 382024: 0100%

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

  • In an office167,960100%
  • In a facility1360%

Dr. Baker compared with the Mississippi median for hematologists and oncologists, 2024

  • Dr. Baker
  • Mississippi median
Medicare services
168,096vs 1,509111.4 times
Medicare patients
1,054vs 3942.7 times
Part D claims
1,801vs 1,14358% above

Medians across 59 hematologists and oncologists in Mississippi with Dmand AI profiles that report each measure.

Dr. Baker'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. Baker

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Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Baker and other hematologists and oncologists in Mississippi.

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

Dr. Justin T. Baker treated 1,054 Medicare patients in 2024, average age 75

CMS counts 1,054 Medicare patients who saw Dr. Baker in 2024. The largest group is 75 to 84, with 455 patients. 75% of them have high blood pressure, and 74% have high cholesterol. 9% are also on Medicaid. Their average risk score is 1.79, 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. Baker's median patient age at 71, with 65% women.

Medicare patients, 20241,054
Average age75
Average risk score1.79
Also on Medicaid9%

Dr. Baker's Medicare patients by age, 2024

Dr. Baker's Medicare patients by sex, 2024

  • Women62359%
  • Men43141%

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

  1. High blood pressure75%
  2. High cholesterol74%
  3. Cancer63%
  4. Arthritis52%
  5. Diabetes36%
  6. Ischemic heart disease32%
  7. Chronic kidney disease26%
  8. Anxiety25%

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

Dr. Baker's patients across all payers

Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.

Patient panel by age, all payers

Median age 71

Patient panel by sex, all payers

  • Women65%
  • Men35%

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

Dr. Justin T. Baker wrote 2,082 Medicare Part D claims in 2024

In 2024, Dr. Baker wrote 2,082 Medicare Part D claims for 365 patients. 77% of them were for generic drugs. CMS names the drug for 1,801 of them, across 52 drugs with 11 or more claims each, at $5,842,632 in total drug cost. In 2023, CMS named 1,671 claims across 49 drugs.

Part D claims, 20242,082
Drugs named by CMS52
Total drug cost$5.8M
Part D patients365

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

  • Generic1,610 claims77%
  • Brand-name472 claims23%

Dr. Baker'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. Baker's Part D claims, 2024

  • Opioids4%89 of 2,082 claims
  • Antibiotics2%35 of 2,082 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: 1,6712024: 1,8018%

Drugs named by CMS: 52 in 2024, 49 in 2023.

See all prescribing by Dr. Baker

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. Justin T. Baker scored 100 out of 100 in Medicare's MIPS program for 2024

CMS publishes a Merit-based Incentive Payment System (MIPS) score of 100 out of 100 for Dr. Baker for performance year 2024, reported individually. Dr. Baker accepts Medicare assignment, so Medicare's approved amount is taken as full payment.

Accepts Medicare assignment
Yes

Dr. Baker's MIPS scores, performance year 2024

  • 100of 100Final score
  • 100of 100Quality
  • 40of 100Improvement Activities

Each score is out of 100. The final score weighs the categories CMS scored for this clinician.

Sources: Doctors and Clinicians National Downloadable File (CMS); and Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026

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Dr. Justin T. Baker has 1 publication on record

Dmand AI links 1 paper to Dr. Baker in 2020. Dr. Baker's most frequent co-authors are Sunil Babu, MD, George R. Blumenschein, MD and Davey B. Daniel, MD.

Papers1

Dr. Baker's most frequent co-authors

Recent publications by Dr. Baker

See all 1 publications and co-authors

See who Dr. Baker researches with

Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Baker works with, so you can find a warm path to the right hematologists and oncologists.

How network discovery works

Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage

Dr. Justin T. Baker has worked on 2 clinical trials

Dmand AI links Dr. Baker to 2 clinical trials. Conditions studied include Carcinoma, Non-Small-Cell Lung, Sarcoma and Carcinoma, Bronchogenic.

Conditions in Dr. Baker's trials

  • Carcinoma, Non-Small-Cell Lung
  • Sarcoma
  • Carcinoma, Bronchogenic
  • Neoplasms, Connective and Soft Tissue

Investigators on the most trials with Dr. Baker

Recent clinical trials with Dr. Baker

Sources: Dmand AI Research Linkage; and ClinicalTrials.gov (National Library of Medicine)

Dr. Justin T. Baker received $3,868 in industry payments from 2016 to 2025

CMS Open Payments shows 240 general payments to Dr. Baker from 47 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 94% of the total. Janssen Pharmaceuticals, Inc paid the most, $830.

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

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

$3.9Kin total
  • Food and beverage$3,64094%
  • Education$2286%

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

Share is of all general payments to this clinician.

See all payments to Dr. Baker

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

Dr. Justin T. Baker has 1 award and honors on record

Dmand AI lists 1 award for Dr. Baker, most recently CMS Stage 1 EHR in 2014.

Awards and honors for Dr. Baker

  1. 2014
    • CMS Stage 1 EHR

Source: Dmand AI Professional Profile Data

Dr. Justin T. Baker graduated from University of Mississippi Medical Center - Jackson

Dr. Baker graduated from University of Mississippi Medical Center - Jackson in 2000. Dr. Baker is a member of ASCO.

  1. Medical schoolUniversity of Mississippi Medical Center - Jackson
  2. Board certified in medical oncologyAmerican Board of Internal Medicine

Source: Dmand AI Professional Profile Data

Dr. Justin T. Baker accepts plans from 15 insurance carriers

Dr. Baker is in network with 15 carriers, including Aetna, Elevance and Cigna. PPO plans come from the most carriers, 10. Check the plan with the practice before a visit.

Plan types Dr. Baker accepts, by number of carriers

  1. PPO10
  2. HMO8
  3. POS7
  4. Medicare5
  5. EPO4

Source: Dmand AI Insurance Network Data

Sources for Dr. Justin T. Baker'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 phoneNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data
Primary practice, affiliations and health systemNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand AI Affiliation 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)Clinician Public Reporting: Overall MIPS Performance (CMS) (opens in a new tab)
Publications, topics and co-authorsPubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage
Clinical trials and co-investigatorsDmand AI Research LinkageClinicalTrials.gov (National Library of Medicine) (opens in a new tab)
Industry paymentsOpen Payments (CMS) (opens in a new tab)
Awards and committee rolesDmand AI Professional Profile Data
Training, board certification and membershipsDmand AI Professional Profile Data
Insurance carriers and plan typesDmand AI Insurance Network 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. Justin T. Baker

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. Justin T. Baker's NPI number?

Dr. Justin T. Baker's NPI number is 1639119589. It was assigned on June 8, 2006, and it is active in the NPI Registry.

What kind of doctor is Dr. Justin T. Baker?

Dr. Justin T. Baker is a hematologist and oncologist in Jackson, Mississippi. The primary specialty in the NPI Registry is Hematology & Oncology Physician (taxonomy code 207RH0003X).

Where does Dr. Justin T. Baker practice?

Dr. Baker practices at 1227 N State St, Jackson, MS 39202. Dr. Baker's primary practice is Jackson Oncology Associates in Jackson, Mississippi. Dmand AI also links Dr. Baker to 4 hospitals, 1 group practice or clinic and 1 home health agency.

What is Dr. Justin T. Baker's office phone number?

The practice phone on file for Dr. Baker is (601) 355-2485.

What is Dr. Justin T. Baker's medical license number?

Dr. Baker's Mississippi license number on file is 17499, one of the licenses on file in 2 states.

Which states has Dr. Justin T. Baker been licensed in?

Dmand AI has state licenses on file for Dr. Baker in Mississippi (2002 to 2025) and Tennessee (2006 to 2009).

Which hospitals is Dr. Justin T. Baker affiliated with?

Dr. Baker is affiliated with Mississippi Baptist Medical Center. Dmand AI links Dr. Baker to 4 more hospitals.

What medical group is Dr. Justin T. Baker part of?

Dr. Baker is linked to Jackson Oncology Associates.

Does Dr. Justin T. Baker accept Medicare?

Yes. CMS data shows Dr. Baker billed Medicare for 168,096 services in 2024, and Dr. Baker accepts Medicare assignment.

What is Dr. Justin T. Baker's MIPS score?

Dr. Baker's MIPS final score for performance year 2024 is 100 out of 100, reported individually.

Show 10 more questionsShow fewer questions

How many Medicare patients does Dr. Justin T. Baker see?

CMS counts 1,054 Medicare patients who saw Dr. Baker in 2024, with an average age of 75.

Is Dr. Justin T. Baker board certified?

Yes. Dr. Baker is board certified in medical oncology by the American Board of Internal Medicine.

What services does Dr. Justin T. Baker bill to Medicare?

In 2024, Dr. Baker's most billed Medicare services were injected or infused drug (J9271), injected or infused drug (J9299) and injected or infused drug (J0185).

Where did Dr. Justin T. Baker go to medical school?

Dr. Baker graduated from University of Mississippi Medical Center - Jackson in 2000.

What drugs does Dr. Justin T. Baker prescribe most?

In 2024 Medicare Part D data, Dr. Baker's most prescribed drugs by claims were Anastrozole, Ondansetron HCl and Prednisone.

Has Dr. Justin T. Baker received payments from drug or device companies?

CMS Open Payments shows $3,868 in general payments to Dr. Baker from 47 companies from 2016 to 2025. The largest total came from Janssen Pharmaceuticals, Inc.

How long has Dr. Justin T. Baker been practicing?

Dr. Baker graduated from medical school in 2000, 26 years ago.

Does Dr. Justin T. Baker do research?

Dmand AI links 1 publication to Dr. Baker. Dr. Baker has worked on 2 clinical trials.

Who does Dr. Justin T. Baker publish with?

Dr. Baker's most frequent co-authors are Sunil Babu, MD (1 shared paper), George R. Blumenschein, MD (1 shared paper) and Davey B. Daniel, MD (1 shared paper).

What insurance does Dr. Justin T. Baker accept?

Dr. Baker is in network with 15 carriers, including Aetna, Elevance and Cigna. PPO plans come from the most carriers, 10. Check the plan with the practice before a visit.

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