DR. WILLIS G PARSONS M.D. NPI 1972578698

NPI Information

  • NPI: 1972578698
  • Provider Name: DR. WILLIS G PARSONS, M.D.
  • Classification: Internal Medicine - 207RG0100X
  • Specialization: Gastroenterology
  • Entity Type: Individual
  • PECOS Registration: Yes
  • Address: 880 W CENTRAL RD STE 4500
    ARLINGTON HEIGHTS, IL
    ZIP 60005
  • Phone: (847) 725-8640

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NPI Details

DR. Willis G Parsons, M.D. is a gastroenterology internal medicine in Arlington Heights, IL with 37 years of experience. 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. DR. Willis G Parsons, M.D. NPI is 1972578698. The provider is registered as an individual entity type.

The NPPES NPI record indicates the provider is a male.

Education
Medical School: VANDERBILT UNIVERSITY SCHOOL OF MEDICINE
Graduation Year:1989

The provider's business location address is:

880 W CENTRAL RD STE 4500
ARLINGTON HEIGHTS, IL
ZIP 60005-388
Phone: (847) 725-8640

The NPI 1972578698 is registered in the Medicare Provider, Enrollment, Chain and Ownership System (PECOS). The provider is legally eligible to order and refer Part B (Clinical Laboratory and Imaging), Durable Medical Equipment, Part A Home Health Agency (HHA), 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.

  • Established patient office or other outpatient visit, 20-29 minutes (HCPCS:99213)
  • New patient office or other outpatient visit, 45-59 minutes (HCPCS:99204)
  • Follow-up hospital inpatient care per day, typically 25 minutes (HCPCS:99232)
  • Established patient office or other outpatient visit, 30-39 minutes (HCPCS:99214)
  • Review by radiologist of image from tube placement into bile duct using an endoscope (HCPCS:74328)
  • Ultrasound guided needle aspiration or biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope (HCPCS:43242)
  • Removal of stone or debris from bile or pancreatic duct using a flexible endoscope (HCPCS:43264)
  • Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope (HCPCS:43239)
  • Ultrasound exam of esophagus, stomach, and/or upper small bowel using a flexible endoscope (HCPCS:43259)
  • Review by radiologist of image from tube placement into bile and pancreatic duct using an endoscope (HCPCS:74330)
  • Incision of pancreatic outlet using a flexible endoscope (HCPCS:43262)
  • Insertion of stent into pancreatic or bile duct using a flexible endoscope (HCPCS:43274)
  • Replacement of stent in pancreatic or bile duct using a flexible endoscope (HCPCS:43276)
  • Imaging guidance for procedure, 60 minutes or less (HCPCS:76000)
  • Measurement of liver stiffness (HCPCS:91200)
  • Removal of stent from pancreatic or bile duct using a flexible endoscope (HCPCS:43275)
  • Microscopic exam of esophagus, stomach, and/or upper small bowel using a flexible endoscope (HCPCS:43252)
  • 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)
  • New patient office or other outpatient visit, 60-74 minutes (HCPCS:99205)
  • Removal of large bowel tissue using a flexible endoscope (HCPCS:45390)
  • Initial hospital inpatient care per day, typically 70 minutes (HCPCS:99223)
  • Diagnostic exam of gallbladder and pancreatic, liver, and bile ducts using an endoscope (HCPCS:43260)
  • Diagnostic exam of large bowel using a flexible endoscope (HCPCS:45378)
  • Destruction of polyp or growth of large bowel using a flexible endoscope (HCPCS:45388)
  • Destruction of stone of bile or pancreatic duct using a flexible endoscope (HCPCS:43265)
  • Balloon dilation of esophagus, stomach, and/or upper small bowel using a flexible endoscope, less than 3.0 cm (HCPCS:43249)
  • Study of esophagus to assess movement (HCPCS:91010)
  • Removal of tissue lining of esophagus, stomach, and/or upper small bowel using a flexible endoscope (HCPCS:43254)
  • Destruction of polyp or growth of esophagus, stomach, and/or upper small bowel using a flexible endoscope (HCPCS:43270)
  • Injection of esophagus, stomach, and/or upper small bowel using a flexible endoscope (HCPCS:43236)
  • Biopsy of large bowel using a flexible endoscope (HCPCS:45380)
  • Balloon dilation of pancreatic or bile duct or sphincter using a flexible endoscope (HCPCS:43277)
  • Biopsy of gallbladder, pancreatic, liver, and bile ducts using a flexible endoscope (HCPCS:43261)
  • Review by radiologist of image to guide opening of digestive tract (HCPCS:74360)
  • Ultrasound exam of lower large bowel using a flexible endoscope (HCPCS:45341)
  • Review by radiologist of image from tube placement into pancreatic duct using an endoscope (HCPCS:74329)
  • Removal of polyps or growths of large bowel using an endoscope with mechanical snare (HCPCS:45385)
  • Insertion of stomach tube using a flexible endoscope (HCPCS:43246)
  • Colonoscopy (HCPCS:NAN13)
  • Upper gastrointestinal (GI) endoscopy for acid reflux (HCPCS:NAN12)

The enumeration date for this NPI number is 2/17/2006 and was last updated on 5/10/2021.

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 MedicineGastroenterology036090940ILLINOISYes

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
1036090940MEDICAIDILLINOIS

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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