Carl B. Wallach, M.D.
Gastroenterology Physician · Morristown, NJ
Carl B. Wallach, M.D. is a gastroenterology physician with a practice address in Morristown, New Jersey, and NPI 1962593947, issued on Sep 27, 2006. Check the license (New Jersey MA05476300, as entered in NPPES) on the New Jersey State Board of Medical Examiners; the Medicare figures below come from public CMS files.
- Name
- Carl B. Wallach
- Credential
- M.D.
- Primary taxonomy
- Gastroenterology Physician 207RG0100X
- License number
- MA05476300 NJ
Self-reported in NPPES; status is on the state search - Practice location
- 101 Madison Ave, Morristown, NJ 07960
- Phone
- (973) 455-0404
- Enumerated
- Sep 27, 2006
- Record last updated
- Sep 8, 2014 (not updated in 12 years: call before relying on the address or phone)
- Fax
- (973) 540-8788
- Medicaid ID
- 0760901 NJ
- Medicare enrollment
- Enrolled (PECOS I20100817000524); accepts Medicare assignment
- Medical or professional school
- University Of Miami, Lm Miller School Of Medicine, 1985
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest gastroenterology physician records → All 735 in New Jersey → Look up another NPI →
Also registered at 101 Madison Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Justine Deluccio, MSPT, OCS, FAAOMPTPhysical Therapist1013912302
- Thomas Emmer, D.M.D.Prosthodontics1609952605
Verify Carl B. Wallach in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersNew Jersey State Board of Medical Examiners
Search for license MA05476300Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
3.8 times the Medicare Part D claims of the average gastroenterology physician in 2024
3,076 Medicare Part D claims for 833 beneficiaries, against an average of 811 among the 16,445 providers of this specialty who prescribed in Part D. Brand-name drugs were 26% of claims.
Most prescribed
- Pantoprazole Sodium738 claims
- Famotidine289 claims
- Sutab215 claims
- Dicyclomine Hcl142 claims
- Omeprazole138 claims
- Dexlansoprazole Dr122 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
The MIPS final score for 2023 (Medicare payment program): 93.7 of 100
The Merit-based Incentive Payment System score is reported for this clinician. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $12,325.17
238 payments; by number, the most common kind was food and beverage; the largest payer was Pfizer Inc. The 13,350 providers of this specialty with any payment received $5,015.95 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through one group practice
- Barnabas Health MultispecialtyMorristown, NJ
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Carl B. Wallach among 735 gastroenterology physician records in New Jersey
Carl B. Wallach, M.D. is one of 735 gastroenterology physician records with a practice address in New Jersey. 89% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 12% of them.
- NPI issued2006 · 12% of these records are older, 44% newer
- In a Medicare fileYes · 89% of these records are
- In the CMS Doctors and Clinicians fileYes · 77% of these records are
- Graduated1985 · median 2000 among the 564 with a school on file
- Record last updated2014 · 54% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RG0100X and a New Jersey practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Gastroenterology Physician providers in New Jersey
There are 735 gastroenterology physician records in New Jersey.
All 735 in New Jersey → Every provider in Morristown → Gastroenterology Physician nationwide →
The 8 gastroenterology physician records with the nearest ZIP codes
- Henry Dinneen, D.O.Morristown, NJ 079601417247784
- Stephen Glombicki, MD, MBAMorristown, NJ 079601871233999
- Lakshmi Asritha Gollapudi, MDMorristown, NJ 079601659773141
- Matthew Grossman, M.D.Morristown, NJ 079601063618908
- Abdalla Mohamed, MDMorristown, NJ 079601174079990
- John Morton, MDMorristown, NJ 079601659471720
- Ellen Rosen, MDMorristown, NJ 079601891895959
- Michael Samach, M.D.Morristown, NJ 079601861508566
Common questions
What is Carl B. Wallach, M.D.'s NPI number?
Carl B. Wallach, M.D.'s National Provider Identifier (NPI) is 1962593947, issued on Sep 27, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Carl B. Wallach, M.D. located?
The NPPES record lists a practice address at 101 Madison Ave, Morristown, NJ, 07960. Phone: (973) 455-0404. Providers update this record themselves, so call before visiting.
How can I verify Carl B. Wallach, M.D.'s license?
NPPES lists New Jersey license number MA05476300, as entered by the provider. Search the New Jersey State Board of Medical Examiners at https://newjersey.mylicense.com/verification/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Carl B. Wallach, M.D. prescribe under Medicare Part D?
In 2024, Carl B. Wallach, M.D. had 3,076 Medicare Part D claims for 833 beneficiaries; the average among gastroenterology physician prescribers was 811. Part D covers Medicare prescriptions only.
What is Carl B. Wallach, M.D.'s MIPS final score?
The 2023 MIPS final score is 93.7 of 100. The average among 454,083 clinicians with a measured score was 83.5.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.