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Dr. Thomas E. Wallach, MD
NPI1801162870
- Publications
- 36
- Hospital affiliations
- 1
- Industry payments
- $160,047
- Medical groups
- 2
- State license
- 1
- Practice address
- 450 Clarkson Aveue, Brooklyn, NY 11203
- Practice phone
- Call (718) 270-8325
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Suny Downstate Medical Center - Unit
Acute Care Hospital-Unit · Brooklyn, New York
Find Dr. Wallach's professional email, personal email and mobile number
Dmand AI checks each channel through healthcare-specific waterfall enrichment. See what is on file with a free account, with practice phones, licenses and affiliations.
Dr. Thomas E. Wallach is a pediatric gastroenterology physician in Brooklyn, New York
Dr. Wallach practices at Suny Downstate Medical Center - Unit in Brooklyn, New York.
Dr. Wallach's NPI, 1801162870, was assigned on March 23, 2012. Dr. Wallach graduated from Medical College Of Wisconsin in 2012. Dr. Wallach holds New York license 272557.
NPI and contact details
- NPI
- 1801162870NPI Registry (opens in a new tab)
- NPI enumeration date
- March 23, 2012
- NPI status
- Active
- Practice phone
- (718) 270-8325
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 40
- Medical school graduation
- 2012
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Affiliation Data
Dr. Thomas E. Wallach practices at Suny Downstate Medical Center - Unit in Brooklyn, New York
Dr. Wallach's primary practice is Suny Downstate Medical Center - Unit, at 450 Clarkson Aveue, Brooklyn, NY 11203 in Kings County. The practice phone is (718) 270-8325.
- Suny Downstate Medical Center - Unit450 Clarkson Aveue, Brooklyn, NY 11203 · Kings CountyPhone(718) 270-8325
Source: Dmand AI Affiliation Data
Dr. Thomas E. Wallach is affiliated with 3 sites of care and 2 medical groups
Dr. Wallach's primary practice is Suny Downstate Medical Center - Unit in Brooklyn, New York. The medical group on file is Downstate Health Physicians. Dmand AI also links Dr. Wallach to 1 more group practice or clinic, 1 school health center and 1 medical group, each named with a free account. Dr. Wallach's employer is on file too: a hospital.
Suny Downstate Medical Center - UnitPrimary
Source: Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Dr. Thomas E. Wallach's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Wallach practices, 3 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Suny Downstate Medical Center - Unit | Available with a free account |
| +2 more sites and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Thomas E. Wallach is one of 158 pediatric gastroenterology physicians in New York
Pediatric gastroenterology is Dr. Wallach's primary specialty in the NPI Registry, under taxonomy code 2080P0206X. Dr. Wallach is licensed in New York.
Specialties and state licenses
- Pediatric gastroenterology, New YorkPrimary
Pediatric gastroenterology physicians near Dr. Wallach
Counts of pediatric gastroenterology physicians with a Dmand AI profile, by place and practice. Each opens the list.
158pediatric gastroenterology physicians in New York12pediatric gastroenterology physicians in Brooklyn
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Dr. Thomas E. Wallach's patients have a median age of 11
Across all payers, Dmand AI patient panel data puts Dr. Wallach's median patient age at 11, with 45% women.
Dr. Wallach's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 11
Patient panel by sex, all payers
- Women45%
- Men54%
Source: Dmand AI Patient Panel Data
Dr. Thomas E. Wallach has 36 publications on record
Dmand AI links 36 papers to Dr. Wallach, published from 2011 to 2025. 2021 was the busiest year, with 5. The most frequent topics are Circadian Clocks, Toll-Like Receptor 7 and Mice, Knockout. Dr. Wallach has published most often in JPGN Rep. Dr. Wallach's most frequent co-authors are Dalia Arostegui, Steven M. Schwarz, MD and Juveria Ansar Peshimam, MD.
Papers36
Years published2011 to 2025
Dr. Wallach's papers by year, 2013 to 2025
Topics Dr. Wallach writes about most
- Circadian Clocks
- Toll-Like Receptor 7
- Mice, Knockout
- MicroRNAs
- Toll-Like Receptor 8
- ARNTL Transcription Factors
- Circadian Rhythm
- CLOCK Proteins
Dr. Wallach's most frequent co-authors
- Dalia Arostegui3 shared papers
- Steven M. Schwarz, MD3 shared papers
- Juveria Ansar Peshimam, MD2 shared papers
Recent publications by Dr. Wallach
J Pediatr Gastroenterol Nutr
ColonoscopyEndoscopy, Digestive SystemFeces
See who Dr. Wallach researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Wallach works with, so you can find a warm path to the right pediatric gastroenterology physicians.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. Thomas E. Wallach received $160,047 in industry payments from 2019 to 2025
CMS Open Payments shows 98 general payments to Dr. Wallach from 7 drug and device companies from 2019 to 2025. Speaker and faculty fees make up the largest share, 86% of the total. Sanofi and Genzyme US Companies paid the most, $85,938.
General payments to Dr. Wallach by program year, 2019 to 2025
General payments to Dr. Wallach by kind, 2019 to 2025
$160Kin total
- Speaker and faculty fees$137,56686%
- Travel and lodging$19,36912%
- Food and beverage$3,1122%
Companies that paid Dr. Wallach the most, 2019 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Thomas E. Wallach graduated from Medical College Of Wisconsin
Dr. Wallach graduated from Medical College Of Wisconsin in 2012.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Thomas E. Wallach'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 | Dmand AI Affiliation Data |
| Primary practice, affiliations and health system | Dmand AI Affiliation Data |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel Data |
| 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. Thomas E. Wallach
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. Thomas E. Wallach's NPI number?
Dr. Thomas E. Wallach's NPI number is 1801162870. It was assigned on March 23, 2012, and it is active in the NPI Registry.
What kind of doctor is Dr. Thomas E. Wallach?
Dr. Thomas E. Wallach is a pediatric gastroenterology physician in Brooklyn, New York. The primary specialty in the NPI Registry is Pediatric Gastroenterology Physician (taxonomy code 2080P0206X).
Where does Dr. Thomas E. Wallach practice?
Dr. Wallach practices at 450 Clarkson Aveue, Brooklyn, NY 11203. Dr. Wallach's primary practice is Suny Downstate Medical Center - Unit in Brooklyn, New York. Dmand AI also links Dr. Wallach to 1 group practice or clinic, 1 school health center and 1 medical group.
What is Dr. Thomas E. Wallach's office phone number?
The practice phone on file for Dr. Wallach is (718) 270-8325.
What is Dr. Thomas E. Wallach's medical license number?
Dr. Wallach holds New York license 272557.
What medical group is Dr. Thomas E. Wallach part of?
Dr. Wallach is linked to Downstate Health Physicians. Dmand AI links Dr. Wallach to 1 more medical group.
Where did Dr. Thomas E. Wallach go to medical school?
Dr. Wallach graduated from Medical College Of Wisconsin in 2012.
Has Dr. Thomas E. Wallach received payments from drug or device companies?
CMS Open Payments shows $160,047 in general payments to Dr. Wallach from 7 companies from 2019 to 2025. The largest total came from Sanofi and Genzyme US Companies.
How long has Dr. Thomas E. Wallach been practicing?
Dr. Wallach graduated from medical school in 2012, 14 years ago.
Does Dr. Thomas E. Wallach do research?
Dmand AI links 36 publications to Dr. Wallach, published from 2011 to 2025.
Who does Dr. Thomas E. Wallach publish with?
Dr. Wallach's most frequent co-authors are Dalia Arostegui (3 shared papers), Steven M. Schwarz, MD (3 shared papers) and Juveria Ansar Peshimam, MD (2 shared papers).
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