Dr. Arnab Ray, MD

  • New Orleans, LA
  • Gastroenterologist
NPI1922155720PAC ID2264627298
Medicare services, 2024
212
Medicare patients, 2024
210
Part D claims, 2024
1,250
Publications
2
Hospital affiliations
1
Practice address
1516 Jefferson Hwy, New Orleans, LA 70121
Practice phone
Call (504) 842-3000
Professional email
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Personal email
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Mobile number
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Social profiles

Primary practice

Ochsner Medical Center - New Orleans

Hospital · New Orleans, Louisiana

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Dr. Arnab Ray is a gastroenterologist in New Orleans, Louisiana

Dr. Ray practices at Ochsner Medical Center - New Orleans in New Orleans, Louisiana, part of Ochsner Health System.

Dr. Ray's NPI, 1922155720, was assigned on January 4, 2007. Dr. Ray graduated from Louisiana State University School of Medicine in New Orleans in 2004. Dr. Ray holds Louisiana license MD.201576.

NPI and contact details
Medicare PAC ID
2264627298
NPI enumeration date
January 4, 2007
NPI status
Active
Accepts Medicare assignment
Yes
Offers telehealth
Yes
Practice phone
(504) 842-3000
Professional email
Get email
Personal email
Get email
Mobile number
Get number
Sex
Male
Estimated age
48
Medical school graduation
2004

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

Dr. Arnab Ray practices at Ochsner Medical Center - New Orleans in New Orleans, Louisiana

Dr. Ray's primary practice is Ochsner Medical Center - New Orleans, at 1516 Jefferson Hwy, New Orleans, LA 70121 in Jefferson Parish. The practice phone is (504) 842-3000.

Source: Dmand AI Affiliation Data

Dr. Arnab Ray is affiliated with 1 site of care and 1 medical group

Dr. Ray's primary practice is Ochsner Medical Center - New Orleans in New Orleans, Louisiana, part of Ochsner Health System. The medical group on file is Ochsner Health.

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

Dmand AI tracks the EHR system at Dr. Arnab Ray's practice

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

EHR by site
SiteEHR vendor and product
Ochsner Medical Center - New OrleansAvailable with a free account

Source: Dmand AI Technology Install Data

For health IT teams

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Dmand AI maps EHR vendors, IT decision makers and buying committees across Ochsner Health System and 6.2K+ hospitals, with verified contacts in the same login.

Dr. Arnab Ray is one of 226 gastroenterologists in Louisiana

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

Specialties and state licenses

  • Gastroenterology, LouisianaPrimaryLicense MD.201576 · taxonomy 207RG0100X
  • Georgia licenseLicense 64956

Gastroenterologists near Dr. Ray

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. Arnab Ray billed Medicare for 212 services in 2024

CMS data shows 212 Medicare services from Dr. Ray across 8 procedure codes in 2024, for 210 Medicare patients. Medicare paid $23,038 for them.

Medicare services, 2024212
Medicare patients210
Paid by Medicare$23,038
Procedure codes8

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

  • 2023
  • 2024
Surgery
2023: 972024: 981%
Office and hospital visits
2023: 772024: 8510%
Other services
2023: 272024: 297%

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

  • In an office178%
  • In a facility19592%

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

  • Dr. Ray
  • Louisiana median
Medicare services
212vs 46955% below
Medicare patients
210vs 27724% below
Part D claims
1,033vs 62665% above

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

Dr. Ray'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. Ray

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

Dr. Arnab Ray treated 210 Medicare patients in 2024, average age 71

CMS counts 210 Medicare patients who saw Dr. Ray in 2024. The largest group is 65 to 74, with 102 patients. 71% of them have high blood pressure, and 67% have high cholesterol. 13% are also on Medicaid. Their average risk score is 1.39, where 1.00 is the Medicare average.

Across all payers, Dmand AI patient panel data puts Dr. Ray's median patient age at 70, with 66% women.

Medicare patients, 2024210
Average age71
Average risk score1.39
Also on Medicaid13%

Dr. Ray's Medicare patients by age, 2024

Dr. Ray's Medicare patients by sex, 2024

  • Women13665%
  • Men7435%

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

  1. High blood pressure71%
  2. High cholesterol67%
  3. Arthritis44%
  4. Anxiety32%
  5. Chronic kidney disease27%
  6. Diabetes27%
  7. Mood disorders27%
  8. Depression25%

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

Dr. Ray's patients across all payers

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

Patient panel by age, all payers

Median age 70

Patient panel by sex, all payers

  • Women66%
  • Men33%

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

Dr. Arnab Ray wrote 1,250 Medicare Part D claims in 2024

In 2024, Dr. Ray wrote 1,250 Medicare Part D claims for 485 patients. 81% of them were for generic drugs. CMS names the drug for 1,033 of them, across 24 drugs with 11 or more claims each, at $507,947 in total drug cost. In 2023, CMS named 1,048 claims across 27 drugs.

Part D claims, 20241,250
Drugs named by CMS24
Total drug cost$507,947
Part D patients485

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

  • Generic1,013 claims81%
  • Brand-name237 claims19%

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

  • Antibiotics2%21 of 1,250 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: 1,0482024: 1,0331%

Drugs named by CMS: 24 in 2024, 27 in 2023.

See all prescribing by Dr. Ray

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. Arnab Ray ranks in the 72nd percentile for upper gastrointestinal (gi) endoscopy for acid reflux in Medicare

Dr. Ray accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Ray as offering telehealth. CMS counts 80 procedures of upper gastrointestinal (gi) endoscopy for acid reflux by Dr. Ray, more than 72% of the clinicians it reports for that procedure.

Accepts Medicare assignment
Yes
Offers telehealth
Yes

Where Dr. Ray ranks in Medicare procedure volume

Upper gastrointestinal (GI) endoscopy for acid reflux
72nd percentile80 procedures
Colonoscopy
67th percentile58 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. Arnab Ray has 2 publications on record

Dmand AI links 2 papers to Dr. Ray, published from 2013 to 2015.

Papers2
Years published2013 to 2015

Recent publications by Dr. Ray

See all 2 publications and co-authors

See who Dr. Ray researches with

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

How network discovery works

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

Dr. Arnab Ray received $26,662 in industry payments from 2016 to 2024

CMS Open Payments shows 41 general payments to Dr. Ray from 14 drug and device companies from 2016 to 2024. Speaker and faculty fees make up the largest share, 55% of the total. Ferring Pharmaceuticals Inc. paid the most, $25,218.

General payments to Dr. Ray by program year, 2016 to 2024

General payments to Dr. Ray by kind, 2016 to 2024

$26.7Kin total
  • Speaker and faculty fees$14,56555%
  • Consulting fees$7,90530%
  • Food and beverage$1,9747%
  • Education$1,1604%
  • Travel and lodging$1,0584%

Companies that paid Dr. Ray the most, 2016 to 2024

Share is of all general payments to this clinician.

See all payments to Dr. Ray

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

Dr. Arnab Ray graduated from Louisiana State University School of Medicine in New Orleans

Dr. Ray graduated from Louisiana State University School of Medicine in New Orleans in 2004.

  1. Medical schoolLouisiana State University School of Medicine in New Orleans

Source: Dmand AI Professional Profile Data

Sources for Dr. Arnab Ray'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)
Publications, topics and co-authorsPubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage
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. Arnab Ray

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. Arnab Ray's NPI number?

Dr. Arnab Ray's NPI number is 1922155720. It was assigned on January 4, 2007, and it is active in the NPI Registry.

What kind of doctor is Dr. Arnab Ray?

Dr. Arnab Ray is a gastroenterologist in New Orleans, Louisiana. The primary specialty in the NPI Registry is Gastroenterology Physician (taxonomy code 207RG0100X).

Where does Dr. Arnab Ray practice?

Dr. Ray practices at 1516 Jefferson Hwy, New Orleans, LA 70121. Dr. Ray's primary practice is Ochsner Medical Center - New Orleans in New Orleans, Louisiana, part of Ochsner Health System.

What is Dr. Arnab Ray's office phone number?

The practice phone on file for Dr. Ray is (504) 842-3000.

What is Dr. Arnab Ray's medical license number?

Dr. Ray holds Louisiana license MD.201576, one of the licenses on file in 2 states.

Which states has Dr. Arnab Ray been licensed in?

Dmand AI has state licenses on file for Dr. Ray in Louisiana and Georgia.

Which hospitals is Dr. Arnab Ray affiliated with?

Dr. Ray practices at Ochsner Medical Center - New Orleans in New Orleans, Louisiana.

What medical group is Dr. Arnab Ray part of?

Dr. Ray is linked to Ochsner Health.

Does Dr. Arnab Ray accept Medicare?

Yes. CMS data shows Dr. Ray billed Medicare for 212 services in 2024, and Dr. Ray accepts Medicare assignment.

Does Dr. Arnab Ray offer telehealth?

Yes. The CMS Doctors and Clinicians file lists Dr. Ray as offering telehealth services.

Show 7 more questionsShow fewer questions

How many Medicare patients does Dr. Arnab Ray see?

CMS counts 210 Medicare patients who saw Dr. Ray in 2024, with an average age of 71.

What services does Dr. Arnab Ray bill to Medicare?

In 2024, Dr. Ray's most billed Medicare services were office visit, established patient (99214), surgery: digestive system (43239) and surgery: digestive system (45380).

Where did Dr. Arnab Ray go to medical school?

Dr. Ray graduated from Louisiana State University School of Medicine in New Orleans in 2004.

What drugs does Dr. Arnab Ray prescribe most?

In 2024 Medicare Part D data, Dr. Ray's most prescribed drugs by claims were Gavilyte-C, Omeprazole and Pantoprazole Sodium.

Has Dr. Arnab Ray received payments from drug or device companies?

CMS Open Payments shows $26,662 in general payments to Dr. Ray from 14 companies from 2016 to 2024. The largest total came from Ferring Pharmaceuticals Inc.

How long has Dr. Arnab Ray been practicing?

Dr. Ray graduated from medical school in 2004, 22 years ago.

Does Dr. Arnab Ray do research?

Dmand AI links 2 publications to Dr. Ray, published from 2013 to 2015.

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