Dr. John Cotton Shallcross, MD

  • New Orleans, LA
  • Gastroenterologist
NPI1417937731PAC ID8628016136
Medicare services, 2024
956
Medicare patients, 2024
190
Part D claims, 2024
715
MIPS score, 2024
77
Hospital affiliations
3
Practice address
1401 Foucher Street, New Orleans, LA 70115
Practice phone
Call (504) 897-8247
Professional email
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Personal email
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Mobile number
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Social profiles

Primary practice

Touro Infirmary

Hospital · New Orleans, Louisiana

See all 9 affiliations

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Dr. John Cotton Shallcross is a gastroenterologist in New Orleans, Louisiana

Dr. Shallcross practices at Touro Infirmary in New Orleans, Louisiana, part of LCMC Health.

Dr. Shallcross' NPI, 1417937731, was assigned on January 20, 2006. Dr. Shallcross graduated from University of Louisville School of Medicine in 1985. Dr. Shallcross holds Alabama license 16932.

NPI and contact details
Medicare PAC ID
8628016136
NPI enumeration date
January 20, 2006
NPI status
Active
Accepts Medicare assignment
Yes
Practice phone
(504) 897-8247
Professional email
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Personal email
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Mobile number
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Sex
Male
Estimated age
67
Medical school graduation
1985

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

Dr. John Cotton Shallcross practices at Touro Infirmary in New Orleans, Louisiana

Dr. Shallcross' primary practice is Touro Infirmary, at 1401 Foucher Street, New Orleans, LA 70115 in Orleans Parish. The practice phone is (504) 897-8247.

  • Touro Infirmary
    1401 Foucher Street, New Orleans, LA 70115 · Orleans ParishPhone(504) 897-8247

Source: Dmand AI Affiliation Data

Dr. John Cotton Shallcross is affiliated with 6 sites of care and 3 medical groups

Dr. Shallcross' primary practice is Touro Infirmary in New Orleans, Louisiana, part of LCMC Health. Dr. Shallcross is also affiliated with UAB St. Vincent’s Birmingham. The medical group on file is Crescent City Physicians, Inc. Dmand AI also links Dr. Shallcross to 1 more hospital, 2 group practices and clinics, 2 medical groups and 1 clinical lab, each named with a free account.

See all 9 affiliations for Dr. Shallcross

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

Dmand AI tracks the EHR system at Dr. John Cotton Shallcross' practice

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

EHR by site
SiteEHR vendor and product
Touro InfirmaryAvailable with a free account
+5 more sites and 2 medical groupsAvailable with a free account

Source: Dmand AI Technology Install Data

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Dr. John Cotton Shallcross is one of 226 gastroenterologists in Louisiana

Gastroenterology is Dr. Shallcross' primary specialty in the NPI Registry, under taxonomy code 207RG0100X. Dr. Shallcross is licensed in Alabama.

Specialties and state licenses

  • Gastroenterology, AlabamaPrimaryLicense 16932 · taxonomy 207RG0100X

Gastroenterologists near Dr. Shallcross

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. John Cotton Shallcross billed Medicare for 956 services in 2024

CMS data shows 956 Medicare services from Dr. Shallcross across 13 procedure codes in 2024, for 190 Medicare patients. Medicare paid $41,598 for them.

Medicare services, 2024956
Medicare patients190
Paid by Medicare$41,598
Procedure codes13

Dr. Shallcross' Medicare services by type, 2023 to 2024

  • 2023
  • 2024
Office and hospital visits
2023: 1,8952024: 83356%
Surgery
2023: 2572024: 8965%
Other services
2023: 532024: 3436%

Where Dr. Shallcross' Medicare services took place, 2024

  • In an office85389%
  • In a facility10311%

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

  • Dr. Shallcross
  • Louisiana median
Medicare services
956vs 4692.0 times
Medicare patients
190vs 27731% below
Part D claims
513vs 62618% below

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

Dr. Shallcross' 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. Shallcross

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

Dr. John Cotton Shallcross treated 190 Medicare patients in 2024, average age 74

CMS counts 190 Medicare patients who saw Dr. Shallcross in 2024. The largest group is 65 to 74, with 90 patients. 75% of them have high blood pressure, and 75% have high cholesterol. Their average risk score is 1.15, where 1.00 is the Medicare average.

Across all payers, Dmand AI patient panel data puts Dr. Shallcross' median patient age at 66, with 57% women.

Medicare patients, 2024190
Average age74
Average risk score1.15

Dr. Shallcross' Medicare patients by age, 2024

Dr. Shallcross' Medicare patients by sex, 2024

  • Women11259%
  • Men7841%

Chronic conditions among Dr. Shallcross' Medicare patients, 2024

  1. High blood pressure75%
  2. High cholesterol75%
  3. Arthritis59%
  4. Ischemic heart disease29%
  5. Mood disorders29%
  6. Depression27%
  7. Chronic kidney disease25%
  8. Anxiety24%

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

Dr. Shallcross' patients across all payers

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

Patient panel by age, all payers

Median age 66

Patient panel by sex, all payers

  • Women57%
  • Men43%

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

Dr. John Cotton Shallcross wrote 715 Medicare Part D claims in 2024

In 2024, Dr. Shallcross wrote 715 Medicare Part D claims for 271 patients. 82% of them were for generic drugs. CMS names the drug for 513 of them, across 14 drugs with 11 or more claims each, at $20,363 in total drug cost. In 2023, CMS named 991 claims across 22 drugs.

Part D claims, 2024715
Drugs named by CMS14
Total drug cost$20,363
Part D patients271

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

  • Generic588 claims82%
  • Brand-name and other127 claims18%

Dr. Shallcross' 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. Shallcross' Part D claims, 2024

  • Antibiotics6%44 of 715 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: 9912024: 51348%

Drugs named by CMS: 14 in 2024, 22 in 2023.

See all prescribing by Dr. Shallcross

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. John Cotton Shallcross scored 77 out of 100 in Medicare's MIPS program for 2024

CMS publishes a Merit-based Incentive Payment System (MIPS) score of 77 out of 100 for Dr. Shallcross for performance year 2024, reported as part of a group. Dr. Shallcross accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS counts 29 procedures of upper gastrointestinal (gi) endoscopy for acid reflux by Dr. Shallcross, more than 55% of the clinicians it reports for that procedure.

Accepts Medicare assignment
Yes

Dr. Shallcross' MIPS scores, performance year 2024

  • 77of 100Final score
  • 56.2of 100Quality
  • 86of 100Promoting Interoperability
  • 40of 100Improvement Activities
  • 79of 100Cost

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

Where Dr. Shallcross ranks in Medicare procedure volume

Upper gastrointestinal (GI) endoscopy for acid reflux
55th percentile29 procedures
Colonoscopy
44th percentile15 procedures

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

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

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Dr. John Cotton Shallcross received $3,710 in industry payments from 2016 to 2024

CMS Open Payments shows 212 general payments to Dr. Shallcross from 31 drug and device companies from 2016 to 2024. Food and beverage make up the largest share, 100% of the total. Abbvie Inc. paid the most, $914.

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

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

$3.7Kin total
  • Food and beverage$3,694100%
  • Consulting fees$150%

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

Share is of all general payments to this clinician.

See all payments to Dr. Shallcross

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

Dr. John Cotton Shallcross graduated from University of Louisville School of Medicine

Dr. Shallcross graduated from University of Louisville School of Medicine in 1985.

  1. Medical schoolUniversity of Louisville School of Medicine

Source: Dmand AI Professional Profile Data

Sources for Dr. John Cotton Shallcross'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)Clinician Public Reporting: Overall MIPS Performance (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. John Cotton Shallcross

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. John Cotton Shallcross' NPI number?

Dr. John Cotton Shallcross' NPI number is 1417937731. It was assigned on January 20, 2006, and it is active in the NPI Registry.

What kind of doctor is Dr. John Cotton Shallcross?

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

Where does Dr. John Cotton Shallcross practice?

Dr. Shallcross practices at 1401 Foucher Street, New Orleans, LA 70115. Dr. Shallcross' primary practice is Touro Infirmary in New Orleans, Louisiana, part of LCMC Health. Dmand AI also links Dr. Shallcross to 1 hospital, 2 group practices and clinics, 2 medical groups and 1 clinical lab.

What is Dr. John Cotton Shallcross' office phone number?

The practice phone on file for Dr. Shallcross is (504) 897-8247.

What is Dr. John Cotton Shallcross' medical license number?

Dr. Shallcross holds Alabama license 16932.

Which hospitals is Dr. John Cotton Shallcross affiliated with?

Dr. Shallcross practices at Touro Infirmary in New Orleans, Louisiana. Dr. Shallcross is also affiliated with UAB St. Vincent’s Birmingham. Dmand AI links Dr. Shallcross to 1 more hospital.

What medical group is Dr. John Cotton Shallcross part of?

Dr. Shallcross is linked to Crescent City Physicians, Inc. Dmand AI links Dr. Shallcross to 2 more medical groups.

Does Dr. John Cotton Shallcross accept Medicare?

Yes. CMS data shows Dr. Shallcross billed Medicare for 956 services in 2024, and Dr. Shallcross accepts Medicare assignment.

What is Dr. John Cotton Shallcross' MIPS score?

Dr. Shallcross' MIPS final score for performance year 2024 is 77 out of 100, reported as part of a group.

How many Medicare patients does Dr. John Cotton Shallcross see?

CMS counts 190 Medicare patients who saw Dr. Shallcross in 2024, with an average age of 74.

Show 5 more questionsShow fewer questions

What services does Dr. John Cotton Shallcross bill to Medicare?

In 2024, Dr. Shallcross' most billed Medicare services were care management and other visits (99439), care management and other visits (99490) and care management and other visits (99454).

Where did Dr. John Cotton Shallcross go to medical school?

Dr. Shallcross graduated from University of Louisville School of Medicine in 1985.

What drugs does Dr. John Cotton Shallcross prescribe most?

In 2024 Medicare Part D data, Dr. Shallcross' most prescribed drugs by claims were Pantoprazole Sodium, Famotidine and Plenvu.

Has Dr. John Cotton Shallcross received payments from drug or device companies?

CMS Open Payments shows $3,710 in general payments to Dr. Shallcross from 31 companies from 2016 to 2024. The largest total came from Abbvie Inc.

How long has Dr. John Cotton Shallcross been practicing?

Dr. Shallcross graduated from medical school in 1985, 41 years ago.

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