Dr. John Michael Costable Jr., MD

  • Manhasset, NY
  • Gastroenterologist
NPI1043251184PAC ID6507847290
Medicare services, 2024
911
Medicare patients, 2024
431
Part D claims, 2024
1,866
Hospital affiliations
1
Industry payments
$30,558
Practice address
1155 Northern Blvd, Manhasset, NY 11030
Practice phone
Call (631) 628-5000
Professional email
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Personal email
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Mobile number
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Social profiles

Primary practice

Mount Sinai Doctors Long Island

Manhasset, New York

See all 4 affiliations

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Dr. John Michael Costable Jr. is a gastroenterologist in Manhasset, New York

Dr. Costable practices at Mount Sinai Doctors Long Island in Manhasset, New York.

Dr. Costable's NPI, 1043251184, was assigned on June 9, 2006. Dr. Costable graduated from Renaissance School of Medicine at Stony Brook University in 1992. Dr. Costable holds New York license 198554.

NPI and contact details
Medicare PAC ID
6507847290
NPI enumeration date
June 9, 2006
NPI status
Active
Accepts Medicare assignment
Yes
Practice phone
(631) 628-5000
Professional email
Get email
Personal email
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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 Practice Data; and Doctors and Clinicians National Downloadable File (CMS)

Dr. John Michael Costable Jr. practices at Mount Sinai Doctors Long Island in Manhasset, New York

Dr. Costable's primary practice is Mount Sinai Doctors Long Island, at 1155 Northern Blvd, Manhasset, NY 11030 in Nassau County. The practice phone is (631) 628-5000.

  • Mount Sinai Doctors Long Island
    1155 Northern Blvd, Manhasset, NY 11030 · Nassau CountyPhone(631) 628-5000

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

Dr. John Michael Costable Jr. is affiliated with 3 sites of care and 1 medical group

Dr. Costable's primary practice is Mount Sinai Doctors Long Island in Manhasset, New York. Dr. Costable is also affiliated with Mount Sinai South Nassau. The medical group on file is Mount Sinai Doctors Long Island. Dmand AI also links Dr. Costable to 1 more group practice or clinic, named with a free account.

See all 4 affiliations for Dr. Costable

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

Dmand AI tracks the EHR system at Dr. John Michael Costable Jr.'s practice

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Costable practices, 2 sites in all. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
Mount Sinai Doctors Long IslandAvailable with a free account
+2 more affiliated sitesAvailable with a free account

Source: Dmand AI Technology Install Data

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Dr. John Michael Costable Jr. is one of 1,583 gastroenterologists in New York

Gastroenterology is Dr. Costable's primary specialty in the NPI Registry, under taxonomy code 207RG0100X. Dr. Costable is board certified in gastroenterology by the American Board of Internal Medicine. Dr. Costable is licensed in New York.

Specialties and state licenses

  • Gastroenterology, New YorkPrimaryLicense 198554 · 1995 to 2026 · taxonomy 207RG0100X

Clinical focus

Dmand AI lists acid reflux, acute gastroduodenitis, chronic indigestion, chronic inflammatory bowel disease (IBD), colonoscopy, fatty liver, gastroduodenitis and gastroenteritis among the conditions Dr. Costable treats.

Gastroenterologists near Dr. Costable

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 Michael Costable Jr. billed Medicare for 911 services in 2024

CMS data shows 911 Medicare services from Dr. Costable across 10 procedure codes in 2024, for 431 Medicare patients. Medicare paid $140,899 for them.

Medicare services, 2024911
Medicare patients431
Paid by Medicare$140,899
Procedure codes10

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

  • 2023
  • 2024
Office and hospital visits
2023: 5912024: 5851%
Surgery
2023: 3622024: 31114%
Tests and treatments
2023: 132024: 1515%

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

  • In an office87596%
  • In a facility364%

Dr. Costable compared with the New York median for gastroenterologists, 2024

  • Dr. Costable
  • New York median
Medicare services
911vs 4212.2 times
Medicare patients
431vs 23683% above
Part D claims
1,691vs 3824.4 times

Medians across 1,551 gastroenterologists in New York with Dmand AI profiles that report each measure.

Dr. Costable'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. Costable

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

Dr. John Michael Costable Jr. treated 431 Medicare patients in 2024, average age 74

CMS counts 431 Medicare patients who saw Dr. Costable in 2024. The largest group is 65 to 74, with 218 patients. 75% of them have high cholesterol, and 71% have high blood pressure. 4% are also on Medicaid. Their average risk score is 1.02, where 1.00 is the Medicare average.

Across all payers, Dmand AI patient panel data puts Dr. Costable's median patient age at 62, with 53% women.

Medicare patients, 2024431
Average age74
Average risk score1.02
Also on Medicaid4%

Dr. Costable's Medicare patients by age, 2024

Dr. Costable's Medicare patients by sex, 2024

  • Women25359%
  • Men17841%

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

  1. High cholesterol75%
  2. High blood pressure71%
  3. Arthritis46%
  4. Ischemic heart disease34%
  5. Diabetes27%
  6. Anxiety21%
  7. Osteoporosis19%
  8. Cancer18%

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

Dr. Costable's patients across all payers

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

Patient panel by age, all payers

Median age 62

Patient panel by sex, all payers

  • Women53%
  • Men43%

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

Dr. John Michael Costable Jr. wrote 1,866 Medicare Part D claims in 2024

In 2024, Dr. Costable wrote 1,866 Medicare Part D claims for 479 patients. 81% of them were for generic drugs. CMS names the drug for 1,691 of them, across 28 drugs with 11 or more claims each, at $499,354 in total drug cost. In 2023, CMS named 1,730 claims across 28 drugs.

Part D claims, 20241,866
Drugs named by CMS28
Total drug cost$499,354
Part D patients479

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

  • Generic1,520 claims81%
  • Brand-name346 claims19%

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

  • Antibiotics4%68 of 1,866 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: 1,7302024: 1,6912%

Drugs named by CMS: 28 in 2024, 28 in 2023.

See all prescribing by Dr. Costable

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 Michael Costable Jr. ranks in the 95th percentile for colonoscopy in Medicare

Dr. Costable accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS counts 230 procedures of colonoscopy by Dr. Costable, more than 95% of the clinicians it reports for that procedure.

Accepts Medicare assignment
Yes

Where Dr. Costable ranks in Medicare procedure volume

Colonoscopy
95th percentile230 procedures
Upper gastrointestinal (GI) endoscopy for acid reflux
80th percentile121 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. John Michael Costable Jr. received $30,558 in industry payments from 2016 to 2025

CMS Open Payments shows 524 general payments to Dr. Costable from 38 drug and device companies from 2016 to 2025. Speaker and faculty fees make up the largest share, 45% of the total. Allergan Inc. paid the most, $14,977.

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

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

$30.6Kin total
  • Speaker and faculty fees$13,85045%
  • Food and beverage$11,99239%
  • Education speaker fees$4,50015%
  • Travel and lodging$2001%
  • Consulting fees$160%

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

Share is of all general payments to this clinician.

See all payments to Dr. Costable

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

Dr. John Michael Costable Jr. has 2 awards and honors on record

Dmand AI lists 2 awards for Dr. Costable, most recently CMS Stage 1 EHR in 2013.

Awards and honors for Dr. Costable

  1. 2013
    • CMS Stage 1 EHR
  2. Undated
    • Compassionate Doctors

Source: Dmand AI Professional Profile Data

Dr. John Michael Costable Jr. graduated from Renaissance School of Medicine at Stony Brook University

Dr. Costable graduated from Renaissance School of Medicine at Stony Brook University in 1992.

  1. Medical schoolRenaissance School of Medicine at Stony Brook University
  2. Board certified in gastroenterologyAmerican Board of Internal Medicine
  3. Board certified in obesity medicineAmerican Board of Obesity Medicine

Source: Dmand AI Professional Profile Data

Dr. John Michael Costable Jr. accepts plans from 16 insurance carriers

Dr. Costable is in network with 16 carriers, including Aetna, Blue Cross Blue Shield of Michigan and United Healthcare. PPO plans come from the most carriers, 10. Check the plan with the practice before a visit.

  • Aetna
  • Blue Cross Blue Shield of Michigan
  • United Healthcare
  • HCSC
  • Aspirus Health Plan
  • Blue Cross Blue Shield of Massachusetts
  • Cigna
  • Elevance
  • +8 more carriersWith a free account

Plan types Dr. Costable accepts, by number of carriers

  1. PPO10
  2. Medicare8
  3. HMO7
  4. POS5
  5. EPO3
  6. Medicaid1

Source: Dmand AI Insurance Network Data

Sources for Dr. John Michael Costable 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 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)Doctors and Clinicians Utilization Data (CMS) (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. John Michael Costable 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. John Michael Costable Jr.'s NPI number?

Dr. John Michael Costable Jr.'s NPI number is 1043251184. It was assigned on June 9, 2006, and it is active in the NPI Registry.

What kind of doctor is Dr. John Michael Costable Jr.?

Dr. John Michael Costable Jr. is a gastroenterologist in Manhasset, New York. The primary specialty in the NPI Registry is Gastroenterology Physician (taxonomy code 207RG0100X).

Where does Dr. John Michael Costable Jr. practice?

Dr. Costable practices at 1155 Northern Blvd, Manhasset, NY 11030. Dr. Costable's primary practice is Mount Sinai Doctors Long Island in Manhasset, New York. Dmand AI also links Dr. Costable to 1 group practice or clinic.

What is Dr. John Michael Costable Jr.'s office phone number?

The practice phone on file for Dr. Costable is (631) 628-5000.

What is Dr. John Michael Costable Jr.'s medical license number?

Dr. Costable holds New York license 198554.

Which hospitals is Dr. John Michael Costable Jr. affiliated with?

Dr. Costable is affiliated with Mount Sinai South Nassau.

What medical group is Dr. John Michael Costable Jr. part of?

Dr. Costable is linked to Mount Sinai Doctors Long Island.

Does Dr. John Michael Costable Jr. accept Medicare?

Yes. CMS data shows Dr. Costable billed Medicare for 911 services in 2024, and Dr. Costable accepts Medicare assignment.

How many Medicare patients does Dr. John Michael Costable Jr. see?

CMS counts 431 Medicare patients who saw Dr. Costable in 2024, with an average age of 74.

Is Dr. John Michael Costable Jr. board certified?

Yes. Dr. Costable is board certified in gastroenterology by the American Board of Internal Medicine.

Show 6 more questionsShow fewer questions

What services does Dr. John Michael Costable Jr. bill to Medicare?

In 2024, Dr. Costable's most billed Medicare services were office visit, established patient (99213), office visit, established patient (99214) and surgery: digestive system (45380).

Where did Dr. John Michael Costable Jr. go to medical school?

Dr. Costable graduated from Renaissance School of Medicine at Stony Brook University in 1992.

What drugs does Dr. John Michael Costable Jr. prescribe most?

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

Has Dr. John Michael Costable Jr. received payments from drug or device companies?

CMS Open Payments shows $30,558 in general payments to Dr. Costable from 38 companies from 2016 to 2025. The largest total came from Allergan Inc.

How long has Dr. John Michael Costable Jr. been practicing?

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

What insurance does Dr. John Michael Costable Jr. accept?

Dr. Costable is in network with 16 carriers, including Aetna, Blue Cross Blue Shield of Michigan and United Healthcare. PPO plans come from the most carriers, 10. Check the plan with the practice before a visit.

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