THOMAS G. MALLOY M.D. NPI 1285696161

NPI Information

  • NPI: 1285696161
  • Provider Name: THOMAS G. MALLOY, M.D.
  • Classification: Internal Medicine - 207RG0100X
  • Specialization: Gastroenterology
  • Entity Type: Individual
  • PECOS Registration: Yes
  • Address: 400 E 3RD ST
    ESSENTIA HEALTH DULUTH CLINIC
    DULUTH, MN
    ZIP 55805
  • Phone: (218) 786-8364

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NPI Details

Thomas G. Malloy, M.D. is a gastroenterology internal medicine in Duluth, MN. The provider is an internist who specializes in diagnosis and treatment of diseases of the digestive organs including the stomach, bowels, liver and gallbladder. This specialist treats conditions such as abdominal pain, ulcers, diarrhea, cancer and jaundice and performs complex diagnostic and therapeutic procedures using endoscopes to visualize internal organs. Thomas G. Malloy, M.D. NPI is 1285696161. The provider is registered as an individual entity type.

The NPPES NPI record indicates the provider is a male.

The provider's business location address is:

400 E 3RD ST
ESSENTIA HEALTH DULUTH CLINIC
DULUTH, MN
ZIP 55805-951
Phone: (218) 786-8364
Fax: (218) 786-8364

The NPI 1285696161 is registered in the Medicare Provider, Enrollment, Chain and Ownership System (PECOS). The provider is legally eligible to order and refer Power Mobility Devices.

The following top HCPCS codes were publicly reported for this provider under the Medicare program for the year 2016. The reported codes are based on the top codes for each available Medicare specialty, excluding evaluation and management codes.

  • Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope (HCPCS:43239)
  • Biopsy of large bowel using a flexible endoscope (HCPCS:45380)
  • Removal of polyps or growths of large bowel using an endoscope with mechanical snare (HCPCS:45385)
  • Initial hospital inpatient care per day, typically 50 minutes (HCPCS:99222)
  • Diagnostic exam of esophagus, stomach, and/or upper small bowel using a flexible endoscope (HCPCS:43235)
  • Study of esophagus to assess movement (HCPCS:91010)
  • Moderate sedation services provided by the same physician or other qualified health care professional performing a gastrointestinal endoscopic service that sedation supports, requiring the presence of an independent trained observer to assist in the monito (HCPCS:G0500)
  • Monitoring and recording of esophageal function through a capsule attached to the esophagus wall (HCPCS:91035)
  • Colonoscopy (HCPCS:NAN13)
  • Upper gastrointestinal (GI) endoscopy for acid reflux (HCPCS:NAN12)

The enumeration date for this NPI number is 4/5/2006 and was last updated on 5/6/2014.

Taxonomy Codes

The NPI record includes the healthcare provider taxonomy classification, state license number and state of licensure. The following information regarding the scope of practice of this provider is available:

No. Taxonomy Code Taxonomy Clasification Taxonomy Specialization License Number License State Primary
1207RG0100XInternal MedicineGastroenterology31007WISCONSINNo
2207RG0100XInternal MedicineGastroenterology107458MINNESOTAYes

Other Identifiers

The following information regarding additional identifiers associated to this NPI record includes the other identifier number, identifier type, identifier state and issuer.

No. Other Provider Identifier Other Provider Identifier Type Other Provider Identifier State Other Provider Identifier Issuer
131598000MEDICAIDWISCONSIN
2P00700736OTHERWISCONSINRR MEDICARE
3A03658MEDICARE UPIN
446236-4633MEDICARE PINWISCONSIN
501994-0395MEDICARE PINWISCONSIN

What is NPI?

NPI stands for National Provider Identifier. The NPI is a 10-digit identification number that is completely unique. The NPI number by itself does not contain any identifiable information such as a provider’s speciality or location. The NPI is assigned to individuals or organizacions for their lifespan and it is independent of key provider information type updates like a change of practices, location or speciality.

This page was last updated on: 11/21/2025

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