Dr. Michael P. Barker Jr., MD

  • Baton Rouge, LA
  • Gastroenterologist
NPI1750701355PAC ID0345546313
Medicare services, 2024
630
Medicare patients, 2024
275
Part D claims, 2024
1,245
Hospital affiliations
4
Industry payments
$8,114
Practice address
9103 Jefferson Highway, Baton Rouge, LA 70809
Practice phone
Call (225) 927-0970
Professional email
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Personal email
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Mobile number
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Social profiles

Primary practice

Louisiana Endoscopy Center

Surgery Center - Medicare-Certified · Baton Rouge, Louisiana

See all 13 affiliations

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Dr. Michael P. Barker Jr. is a gastroenterologist in Baton Rouge, Louisiana

Dr. Barker practices at Louisiana Endoscopy Center in Baton Rouge, Louisiana.

Dr. Barker's NPI, 1750701355, was assigned on April 22, 2014. Dr. Barker graduated from Louisiana State University School of Medicine in Shreveport in 2014. Dr. Barker holds Louisiana license MD.208206.

NPI and contact details
Medicare PAC ID
0345546313
NPI enumeration date
April 22, 2014
NPI status
Active
Accepts Medicare assignment
Yes
Practice phone
(225) 927-0970
Professional email
Get email
Personal email
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Mobile number
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Sex
Male
Estimated age
38
Medical school graduation
2014

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

Dr. Michael P. Barker Jr. practices at Louisiana Endoscopy Center in Baton Rouge, Louisiana

Dr. Barker's primary practice is Louisiana Endoscopy Center, at 9103 Jefferson Highway, Baton Rouge, LA 70809. The practice phone is (225) 927-0970.

  • Louisiana Endoscopy Center
    9103 Jefferson Highway, Baton Rouge, LA 70809Phone(225) 927-0970

Source: Dmand AI Affiliation Data

Dr. Michael P. Barker Jr. is affiliated with 6 sites of care and 7 medical groups

Dr. Barker's primary practice is Louisiana Endoscopy Center in Baton Rouge, Louisiana. Dr. Barker is also affiliated with Our Lady of the Lake Regional Medical Center. The medical group on file is Texas Digestive Disease Consultants. Dmand AI also links Dr. Barker to 3 more hospitals, 6 medical groups and 1 group practice or clinic, each named with a free account.

See all 13 affiliations for Dr. Barker

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

Dmand AI tracks the EHR system at Dr. Michael P. Barker Jr.'s practice

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Barker practices, 6 sites in all. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
Louisiana Endoscopy CenterAvailable with a free account
+5 more sites and 6 medical groupsAvailable with a free account

Source: Dmand AI Technology Install Data

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Dr. Michael P. Barker Jr. is one of 226 gastroenterologists in Louisiana

Gastroenterology is Dr. Barker's primary specialty in the NPI Registry, under taxonomy code 207RG0100X. Dmand AI has Dr. Barker's licenses on file in 2 states: Louisiana and Alabama.

Specialties and state licenses

  • Gastroenterology, LouisianaPrimaryLicense MD.208206 · taxonomy 207RG0100X
  • Internal medicine, AlabamaLicense 37134 · taxonomy 207R00000X

Gastroenterologists near Dr. Barker

Counts of gastroenterologists 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. Michael P. Barker Jr. billed Medicare for 630 services in 2024

CMS data shows 630 Medicare services from Dr. Barker across 14 procedure codes in 2024, for 275 Medicare patients. Medicare paid $53,865 for them.

Medicare services, 2024630
Medicare patients275
Paid by Medicare$53,865
Procedure codes14

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

  • 2023
  • 2024
Office and hospital visits
2023: 4552024: 4423%
Surgery
2023: 1332024: 1448%
Tests and treatments
2023: 132024: 44238%

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

  • In an office38862%
  • In a facility24238%

Dr. Barker compared with the Louisiana median for gastroenterologists, 2024

  • Dr. Barker
  • Louisiana median
Medicare services
630vs 46934% above
Medicare patients
275vs 277Close to median
Part D claims
1,041vs 62666% above

Medians across 228 gastroenterologists in Louisiana with Dmand AI profiles that report each measure.

Dr. Barker'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. Barker

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

Dr. Michael P. Barker Jr. treated 275 Medicare patients in 2024, average age 74

CMS counts 275 Medicare patients who saw Dr. Barker in 2024. The largest group is 65 to 74, with 124 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 18% are also on Medicaid. Their average risk score is 1.68, 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. Barker's median patient age at 60, with 54% women.

Medicare patients, 2024275
Average age74
Average risk score1.68
Also on Medicaid18%

Dr. Barker's Medicare patients by age, 2024

Dr. Barker's Medicare patients by sex, 2024

  • Women17162%
  • Men10438%

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

  1. High blood pressure75%
  2. High cholesterol75%
  3. Arthritis59%
  4. Anxiety40%
  5. Diabetes36%
  6. Ischemic heart disease33%
  7. Mood disorders33%
  8. Depression31%

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

Dr. Barker's patients across all payers

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

Patient panel by age, all payers

Median age 60

Patient panel by sex, all payers

  • Women54%
  • Men46%

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

Dr. Michael P. Barker Jr. wrote 1,245 Medicare Part D claims in 2024

In 2024, Dr. Barker wrote 1,245 Medicare Part D claims for 343 patients. 75% of them were for generic drugs. CMS names the drug for 1,041 of them, across 24 drugs with 11 or more claims each, at $784,858 in total drug cost. In 2023, CMS named 756 claims across 16 drugs.

Part D claims, 20241,245
Drugs named by CMS24
Total drug cost$784,858
Part D patients343

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

  • Generic939 claims75%
  • Brand-name306 claims25%

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

  • Antibiotics5%67 of 1,245 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: 7562024: 1,04138%

Drugs named by CMS: 24 in 2024, 16 in 2023.

See all prescribing by Dr. Barker

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. Michael P. Barker Jr. ranks in the 69th percentile for upper gastrointestinal (gi) endoscopy for acid reflux in Medicare

Dr. Barker accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS counts 69 procedures of upper gastrointestinal (gi) endoscopy for acid reflux by Dr. Barker, more than 69% of the clinicians it reports for that procedure.

Accepts Medicare assignment
Yes

Where Dr. Barker ranks in Medicare procedure volume

Upper gastrointestinal (GI) endoscopy for acid reflux
69th percentile69 procedures
Colonoscopy
61st percentile45 procedures

CMS ranks each clinician against every clinician it reports for the same procedure category.

Sources: Doctors and Clinicians National Downloadable File (CMS); and Doctors and Clinicians Utilization Data (CMS)

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Dr. Michael P. Barker Jr. received $8,114 in industry payments from 2016 to 2025

CMS Open Payments shows 354 general payments to Dr. Barker from 37 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 87% of the total. Abbvie Inc. paid the most, $2,520.

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

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

$8.1Kin total
  • Food and beverage$7,03787%
  • Travel and lodging$88611%
  • Education$1912%

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

Share is of all general payments to this clinician.

See all payments to Dr. Barker

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

Dr. Michael P. Barker Jr. graduated from Louisiana State University School of Medicine in Shreveport

Dr. Barker graduated from Louisiana State University School of Medicine in Shreveport in 2014.

  1. Medical schoolLouisiana State University School of Medicine in Shreveport

Source: Dmand AI Professional Profile Data

Sources for Dr. Michael P. Barker 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)Doctors and Clinicians Utilization Data (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. Michael P. Barker 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. Michael P. Barker Jr.'s NPI number?

Dr. Michael P. Barker Jr.'s NPI number is 1750701355. It was assigned on April 22, 2014, and it is active in the NPI Registry.

What kind of doctor is Dr. Michael P. Barker Jr.?

Dr. Michael P. Barker Jr. is a gastroenterologist in Baton Rouge, Louisiana. The primary specialty in the NPI Registry is Gastroenterology Physician (taxonomy code 207RG0100X).

Where does Dr. Michael P. Barker Jr. practice?

Dr. Barker practices at 9103 Jefferson Highway, Baton Rouge, LA 70809. Dr. Barker's primary practice is Louisiana Endoscopy Center in Baton Rouge, Louisiana. Dmand AI also links Dr. Barker to 3 hospitals, 6 medical groups and 1 group practice or clinic.

What is Dr. Michael P. Barker Jr.'s office phone number?

The practice phone on file for Dr. Barker is (225) 927-0970.

What is Dr. Michael P. Barker Jr.'s medical license number?

Dr. Barker holds Louisiana license MD.208206, one of the licenses on file in 2 states.

Which states has Dr. Michael P. Barker Jr. been licensed in?

Dmand AI has state licenses on file for Dr. Barker in Louisiana and Alabama.

Which hospitals is Dr. Michael P. Barker Jr. affiliated with?

Dr. Barker is affiliated with Our Lady of the Lake Regional Medical Center. Dmand AI links Dr. Barker to 3 more hospitals.

What medical group is Dr. Michael P. Barker Jr. part of?

Dr. Barker is linked to Texas Digestive Disease Consultants. Dmand AI links Dr. Barker to 6 more medical groups.

Does Dr. Michael P. Barker Jr. accept Medicare?

Yes. CMS data shows Dr. Barker billed Medicare for 630 services in 2024, and Dr. Barker accepts Medicare assignment.

How many Medicare patients does Dr. Michael P. Barker Jr. see?

CMS counts 275 Medicare patients who saw Dr. Barker in 2024, with an average age of 74.

Show 5 more questionsShow fewer questions

What services does Dr. Michael P. Barker Jr. bill to Medicare?

In 2024, Dr. Barker's most billed Medicare services were office visit, established patient (99214), care management and other visits (99490) and hospital inpatient care (99232).

Where did Dr. Michael P. Barker Jr. go to medical school?

Dr. Barker graduated from Louisiana State University School of Medicine in Shreveport in 2014.

What drugs does Dr. Michael P. Barker Jr. prescribe most?

In 2024 Medicare Part D data, Dr. Barker's most prescribed drugs by claims were Pantoprazole Sodium, Omeprazole and Linzess.

Has Dr. Michael P. Barker Jr. received payments from drug or device companies?

CMS Open Payments shows $8,114 in general payments to Dr. Barker from 37 companies from 2016 to 2025. The largest total came from Abbvie Inc.

How long has Dr. Michael P. Barker Jr. been practicing?

Dr. Barker graduated from medical school in 2014, 12 years ago.

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