BERNARD D. BIENSTOCK MD NPI 1043229008

NPI Information

  • NPI: 1043229008
  • Provider Name: BERNARD D. BIENSTOCK, MD
  • Classification: Internal Medicine - 207RG0100X
  • Specialization: Gastroenterology
  • Entity Type: Individual
  • PECOS Registration: Yes
  • Address: 509 W. MERRICK ROAD
    VALLEY STREAM, NY
    ZIP 11580
  • Phone: (516) 561-8188

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NPI Details

Bernard D. Bienstock, MD is a gastroenterology internal medicine in Valley Stream, NY with 39 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. Bernard D. Bienstock, MD NPI is 1043229008. 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:

509 W. MERRICK ROAD
VALLEY STREAM, NY
ZIP 11580
Phone: (516) 561-8188
Fax: (516) 561-8192

The NPI 1043229008 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.

  • Follow-up hospital inpatient care per day, typically 25 minutes (HCPCS:99232)
  • Initial hospital inpatient care per day, typically 70 minutes (HCPCS:99223)
  • Follow-up hospital inpatient care per day, typically 35 minutes (HCPCS:99233)
  • Established patient office or other outpatient visit, 30-39 minutes (HCPCS:99214)
  • Insertion of needle into vein for collection of blood sample (HCPCS:36415)
  • Established patient office or other outpatient visit, 20-29 minutes (HCPCS:99213)
  • Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report (HCPCS:93000)
  • Follow-up hospital inpatient care per day, typically 15 minutes (HCPCS:99231)
  • Follow-up nursing facility visit per day, typically 15 minutes (HCPCS:99308)
  • Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope (HCPCS:43239)
  • Stool analysis for blood to screen for colon tumors (HCPCS:82270)
  • New patient office or other outpatient visit, 60-74 minutes (HCPCS:99205)
  • Creatinine level to test for kidney function or muscle injury (HCPCS:82570)
  • Urinalysis, manual test (HCPCS:81002)
  • Urine microalbumin (protein) analysis (HCPCS:82044)
  • Established patient office or other outpatient visit, 40-54 minutes (HCPCS:99215)
  • Blood test, lipids (cholesterol and triglycerides) (HCPCS:80061)
  • Blood glucose (sugar) level (HCPCS:82947)
  • Hemoglobin a1c level (HCPCS:83036)
  • Blood count, hemoglobin (HCPCS:85018)
  • Stool analysis for blood, by fecal hemoglobin determination by immunoassay (HCPCS:82274)
  • Initial nursing facility visit per day, typically 45 minutes (HCPCS:99306)
  • Ultrasound of leg arteries at rest and after exercise (HCPCS:93924)
  • Test to measure lung airway sensitivity (HCPCS:94070)
  • Test for hearing various pitches using earphone (HCPCS:92552)
  • Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit (HCPCS:G0439)
  • Colonoscopy (HCPCS:NAN13)
  • Upper gastrointestinal (GI) endoscopy for acid reflux (HCPCS:NAN12)

The enumeration date for this NPI number is 8/7/2006 and was last updated on 5/3/2023.

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
1207R00000XInternal Medicine182358-1NEW YORKNo
2207RG0100XInternal MedicineGastroenterology182358-1NEW 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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