Dr. Neal Jacob Schamberg, MD
- Medicare services, 2024
- 954
- Medicare patients, 2024
- 712
- Part D claims, 2024
- 1,437
- Publications
- 1
- MIPS score, 2024
- 92
- Practice address
- 15 Valley Dr, Greenwich, CT 06831
- Practice phone
- Call (860) 246-2571
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Connecticut GI
Greenwich, Connecticut
Find Dr. Schamberg's professional email, personal email and mobile number
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Dr. Neal Jacob Schamberg is a gastroenterologist in Greenwich, Connecticut
Dr. Schamberg practices at Connecticut GI in Greenwich, Connecticut.
Dr. Schamberg's NPI, 1841458759, was assigned on May 28, 2008. Dr. Schamberg graduated from Perelman School of Med at the University of Pennsylvania in 2003. Dr. Schamberg holds Connecticut license 047732.
- NPI
- 1841458759NPI Registry (opens in a new tab)
- Medicare PAC ID
- 8426101650
- NPI enumeration date
- May 28, 2008
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
- Practice phone
- (860) 246-2571
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 49
- Medical school graduation
- 2003
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Neal Jacob Schamberg practices at Connecticut GI in Greenwich, Connecticut
Dr. Schamberg's primary practice is Connecticut GI, at 15 Valley Dr, Greenwich, CT 06831 in Western Ct County. The practice phone is (860) 246-2571.
- Connecticut GI15 Valley Dr, Greenwich, CT 06831 · Western Ct CountyPhone(860) 246-2571
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Neal Jacob Schamberg is affiliated with 6 sites of care and 2 medical groups
Dr. Schamberg's primary practice is Connecticut GI in Greenwich, Connecticut. Dr. Schamberg is also affiliated with Greenwich Hospital. The medical group on file is Connecticut GI. Dmand AI also links Dr. Schamberg to 2 more hospitals, 2 group practices and clinics and 1 medical group, each named with a free account.
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; and Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Dr. Neal Jacob Schamberg's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Schamberg practices, 5 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Connecticut GI | Available with a free account |
| +5 more sites and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Neal Jacob Schamberg is one of 298 gastroenterologists in Connecticut
Gastroenterology is Dr. Schamberg's primary specialty in the NPI Registry, under taxonomy code 207RG0100X. Dr. Schamberg is licensed in Connecticut.
Specialties and state licenses
- Gastroenterology, ConnecticutPrimary
Gastroenterologists near Dr. Schamberg
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. Neal Jacob Schamberg billed Medicare for 954 services in 2024
CMS data shows 954 Medicare services from Dr. Schamberg across 17 procedure codes in 2024, for 712 Medicare patients. Medicare paid $97,728 for them.
Dr. Schamberg's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 6282024: 5926%
- Surgery
- 2023: 2442024: 28115%
- Other services
- 2023: 922024: 8112%
Where Dr. Schamberg's Medicare services took place, 2024
- In an office52455%
- In a facility43045%
Dr. Schamberg compared with the Connecticut median for gastroenterologists, 2024
- Dr. Schamberg
- Connecticut median
- Medicare services
- 954vs 3612.6 times
- Medicare patients
- 712vs 2532.8 times
- Part D claims
- 1,257vs 5382.3 times
Medians across 284 gastroenterologists in Connecticut with Dmand AI profiles that report each measure.
Dr. Schamberg'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.
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Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Schamberg and other gastroenterologists in Connecticut.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Neal Jacob Schamberg treated 712 Medicare patients in 2024, average age 76
CMS counts 712 Medicare patients who saw Dr. Schamberg in 2024. The largest group is 65 to 74, with 308 patients. 75% of them have high cholesterol, and 66% have high blood pressure. 6% are also on Medicaid. Their average risk score is 1.13, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Schamberg's median patient age at 60, with 46% women.
Dr. Schamberg's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Dr. Schamberg's Medicare patients by sex, 2024
- Women35350%
- Men35950%
Chronic conditions among Dr. Schamberg's Medicare patients, 2024
- High cholesterol75%
- High blood pressure66%
- Arthritis53%
- Ischemic heart disease29%
- Anxiety27%
- Diabetes23%
- Atrial fibrillation21%
- Cancer21%
Share of Medicare patients with each condition. A patient can have several.
Dr. Schamberg'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
- Women46%
- Men49%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Neal Jacob Schamberg wrote 1,437 Medicare Part D claims in 2024
In 2024, Dr. Schamberg wrote 1,437 Medicare Part D claims for 408 patients. 91% of them were for generic drugs. CMS names the drug for 1,257 of them, across 23 drugs with 11 or more claims each, at $144,986 in total drug cost. In 2023, CMS named 1,277 claims across 22 drugs.
Dr. Schamberg's Part D claims by kind of drug, 2024
- Generic1,301 claims91%
- Brand-name136 claims9%
Dr. Schamberg'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. Schamberg's Part D claims, 2024
- Antibiotics9%130 of 1,437 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: 1,2772024: 1,2572%
Drugs named by CMS: 23 in 2024, 22 in 2023.
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. Neal Jacob Schamberg scored 92 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 92 out of 100 for Dr. Schamberg for performance year 2024, reported as part of a group. Dr. Schamberg accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Schamberg as offering telehealth. CMS counts 218 procedures of colonoscopy by Dr. Schamberg, more than 94% of the clinicians it reports for that procedure.
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
Dr. Schamberg's MIPS scores, performance year 2024
- 92of 100Final score
- 89.2of 100Quality
- 100of 100Promoting Interoperability
- 40of 100Improvement Activities
- 78of 100Cost
Each score is out of 100. The final score weighs the categories CMS scored for this clinician.
Where Dr. Schamberg ranks in Medicare procedure volume
- Colonoscopy
- 94th percentile218 procedures
- Upper gastrointestinal (GI) endoscopy for acid reflux
- 88th percentile172 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. Neal Jacob Schamberg has 1 publication on record
Dmand AI links 1 paper to Dr. Schamberg in 2015. Dr. Schamberg's most frequent co-author is Rasa Zarnegar, MD.
Dr. Schamberg's most frequent co-authors
Recent publications by Dr. Schamberg
See who Dr. Schamberg researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Schamberg works with, so you can find a warm path to the right gastroenterologists.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. Neal Jacob Schamberg received $20,402 in industry payments from 2016 to 2025
CMS Open Payments shows 1,046 general payments to Dr. Schamberg from 49 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 97% of the total. Abbvie Inc. paid the most, $2,745.
General payments to Dr. Schamberg by program year, 2016 to 2025
General payments to Dr. Schamberg by kind, 2016 to 2025
- Food and beverage$19,70897%
- Entertainment$6943%
Companies that paid Dr. Schamberg the most, 2016 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Neal Jacob Schamberg graduated from Perelman School of Med at the University of Pennsylvania
Dr. Schamberg graduated from Perelman School of Med at the University of Pennsylvania in 2003.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Neal Jacob Schamberg's profile data
| Data on this page | Source |
|---|---|
| NPI, name, sex, specialty and licenses | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data |
| Practice locations and phone | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data |
| Primary practice, affiliations and health system | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand AI Affiliation Data |
| Medicare services and procedure codes | Medicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab) |
| State medians for the same specialty | Dmand AI Peer Benchmarks |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab) |
| Part D prescribing | Medicare 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 percentiles | Doctors 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) |
| Publications, topics and co-authors | PubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| EHR at each practice site | Dmand AI Technology Install Data |
| Similar physicians | Dmand AI Affiliation Data |
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about Dr. Neal Jacob Schamberg
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. Neal Jacob Schamberg's NPI number?
Dr. Neal Jacob Schamberg's NPI number is 1841458759. It was assigned on May 28, 2008, and it is active in the NPI Registry.
What kind of doctor is Dr. Neal Jacob Schamberg?
Dr. Neal Jacob Schamberg is a gastroenterologist in Greenwich, Connecticut. The primary specialty in the NPI Registry is Gastroenterology Physician (taxonomy code 207RG0100X).
Where does Dr. Neal Jacob Schamberg practice?
Dr. Schamberg practices at 15 Valley Dr, Greenwich, CT 06831. Dr. Schamberg's primary practice is Connecticut GI in Greenwich, Connecticut. Dmand AI also links Dr. Schamberg to 2 hospitals, 2 group practices and clinics and 1 medical group.
What is Dr. Neal Jacob Schamberg's office phone number?
The practice phone on file for Dr. Schamberg is (860) 246-2571.
What is Dr. Neal Jacob Schamberg's medical license number?
Dr. Schamberg holds Connecticut license 047732.
Which hospitals is Dr. Neal Jacob Schamberg affiliated with?
Dr. Schamberg is affiliated with Greenwich Hospital. Dmand AI links Dr. Schamberg to 2 more hospitals.
What medical group is Dr. Neal Jacob Schamberg part of?
Dr. Schamberg is linked to Connecticut GI. Dmand AI links Dr. Schamberg to 1 more medical group.
Does Dr. Neal Jacob Schamberg accept Medicare?
Yes. CMS data shows Dr. Schamberg billed Medicare for 954 services in 2024, and Dr. Schamberg accepts Medicare assignment.
Does Dr. Neal Jacob Schamberg offer telehealth?
Yes. The CMS Doctors and Clinicians file lists Dr. Schamberg as offering telehealth services.
What is Dr. Neal Jacob Schamberg's MIPS score?
Dr. Schamberg's MIPS final score for performance year 2024 is 92 out of 100, reported as part of a group.
Show 8 more questionsShow fewer questions
How many Medicare patients does Dr. Neal Jacob Schamberg see?
CMS counts 712 Medicare patients who saw Dr. Schamberg in 2024, with an average age of 76.
What services does Dr. Neal Jacob Schamberg bill to Medicare?
In 2024, Dr. Schamberg's most billed Medicare services were office visit, established patient (99213), office visit, new patient (99203) and office visit, established patient (99214).
Where did Dr. Neal Jacob Schamberg go to medical school?
Dr. Schamberg graduated from Perelman School of Med at the University of Pennsylvania in 2003.
What drugs does Dr. Neal Jacob Schamberg prescribe most?
In 2024 Medicare Part D data, Dr. Schamberg's most prescribed drugs by claims were Pantoprazole Sodium, Omeprazole and Dicyclomine HCl.
Has Dr. Neal Jacob Schamberg received payments from drug or device companies?
CMS Open Payments shows $20,402 in general payments to Dr. Schamberg from 49 companies from 2016 to 2025. The largest total came from Abbvie Inc.
How long has Dr. Neal Jacob Schamberg been practicing?
Dr. Schamberg graduated from medical school in 2003, 23 years ago.
Does Dr. Neal Jacob Schamberg do research?
Dmand AI links 1 publication to Dr. Schamberg.
Who does Dr. Neal Jacob Schamberg publish with?
Dr. Schamberg's most frequent co-authors are Rasa Zarnegar, MD (1 shared paper).
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