DR. RICHARD CHARLES FELDSTEIN M.D. MSC. NPI 1851533699

NPI Information

  • NPI: 1851533699
  • Provider Name: DR. RICHARD CHARLES FELDSTEIN, M.D., MSC.
  • Classification: Internal Medicine - 207RG0100X
  • Specialization: Gastroenterology
  • Entity Type: Individual
  • PECOS Registration: Yes
  • Address: 1092 JERICHO TPKE STE 2S
    COMMACK, NY
    ZIP 11725
  • Phone: (631) 543-8660

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NPI Details

DR. Richard Charles Feldstein, M.D., MSC. is a gastroenterology internal medicine in Commack, NY with 24 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. Richard Charles Feldstein, M.D., MSC. NPI is 1851533699. 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:

1092 JERICHO TPKE STE 2S
COMMACK, NY
ZIP 11725-016
Phone: (631) 543-8660
Fax: (631) 543-8661

The NPI 1851533699 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, 30-39 minutes (HCPCS:99214)
  • Follow-up hospital inpatient care per day, typically 35 minutes (HCPCS:99233)
  • New patient office or other outpatient visit, 45-59 minutes (HCPCS:99204)
  • Follow-up hospital inpatient care per day, typically 25 minutes (HCPCS:99232)
  • 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)
  • Established patient office or other outpatient visit, 20-29 minutes (HCPCS:99213)
  • Removal of polyps or growths of large bowel using an endoscope with mechanical snare (HCPCS:45385)
  • Biopsy of large bowel using a flexible endoscope (HCPCS:45380)
  • Diagnostic exam of large bowel using a flexible endoscope (HCPCS:45378)
  • Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope (HCPCS:43239)
  • Removal of polyps or growths of large bowel using an endoscope with mechanical snare (HCPCS:45385)
  • Colonoscopy (HCPCS:NAN13)
  • Upper gastrointestinal (GI) endoscopy for acid reflux (HCPCS:NAN12)

The enumeration date for this NPI number is 3/25/2009 and was last updated on 2/4/2022.

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 MedicineGastroenterology003361NEW YORKYes

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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