BERNARD D. BIENSTOCK MD
NPI 1043229008
Internal Medicine - Gastroenterology in Valley Stream, NY

Q: What is Bernard Bienstock's NPI number?

The NPI number for Bernard Bienstock is 1043229008. It was assigned to this individual provider in the NPPES registry on August 7, 2006.

Q: What is Bernard Bienstock's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Gastroenterology, with taxonomy code 207RG0100X.

Q: When was this NPI record last updated?

The NPPES record for Bernard Bienstock was last updated on May 3, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.

Active since August 07, 2006PECOS EnrolledAccepts Medicare AssignmentCLIA 33D0726197 · Waiver

509 W. MERRICK ROAD, VALLEY STREAM, NY 11580(516) 561-8188(516) 561-8192 Get Directions Write a Review

NPPES record last updated: May 3, 2023. Verified against the NPPES registry weekly; last sync: August 09, 2026.

On this page

About Bernard D. Bienstock Md NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

BERNARD D. BIENSTOCK MD (NPI 1043229008) is an individual gastroenterology provider in Valley Stream, New York, licensed in New York (182358-1) and active in the NPI registry since August 2006. He is enrolled in Medicare PECOS, holds a CLIA Waiver certificate valid through October 17, 2026, and is a graduate of Other (1987).

NPPES Registry Identity

NPI1043229008

Entity TypeIndividualMale

Primary Taxonomy207RG0100X

Provider Legal NameBERNARD D. BIENSTOCKCredential: MD

Location Address509 W. MERRICK ROADValley Stream, NY 11580

Mailing Address509 W. Merrick RoadValley Stream, NY 11580 · (516) 561-8188 · Fax (516) 561-8192

Phone(516) 561-8188

Fax(516) 561-8192

Sole ProprietorNo

Medical School CMSOtherGraduated 1987

Enumeration DateAugust 7, 2006

Last NPPES UpdateMay 3, 2023

NPPES CertifiedMay 3, 2023

✔ NPI 1043229008 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyInternal Medicine · GastroenterologyAllopathic & Osteopathic Physicians

Taxonomy Code207RG0100X

License✔ Licensed in NY · 182358-1

Definition

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.

Also ListedInternal MedicineTaxonomy 207R00000X · License 182358-1 (NY)

509 W. MERRICK ROAD, Valley Stream, NY 11580

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Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Bernard D. Bienstock Md is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID1759461270

PECOS Enrollment IDI20080326000029

Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

CLIA Laboratory Certificates CMS CLIA

Laboratory certificates issued under the Clinical Laboratory Improvement Amendments (CLIA) program, which sets federal quality standards for human laboratory testing in the United States. There is no official CMS crosswalk between CLIA and NPI numbers; these certificates are associated with this NPI by matching facility names, locations and phone numbers in the CMS CLIA registry.

Certificate of Waiver 33D0726197

Dr Bernard Bienstock Dr Jingbo Liu Dr Herbert Ausubel Dr Ian Ausubel · Valley Stream, NY

Active · expires Oct 17, 2026

CLIA Number33D0726197

Laboratory TypePhysician Office

Certificate Effective DateOctober 18, 2024

Certificate Expiration DateOctober 17, 2026

Laboratory DirectorDr. Herbert Ausubel

Laboratory Phone(516) 561-8188

Laboratory LocationDr Bernard Bienstock Dr Jingbo Liu Dr Herbert Ausubel Dr Ian Ausubel509 West Merrick Road, Valley Stream, NY 11580

CLIA data matches this NPI record on: Address Name Phone

This certificate is issued to a laboratory to perform only waived tests.

Areas of Expertise CMS Part B claims 13

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214

This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.

124 services68 patients

New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more 99204

This is a first-time office or outpatient visit lasting between 45-59 minutes. The healthcare provider evaluates your health, discusses your medical history, and may suggest further tests or treatments. It's an opportunity to ask questions and understand your health better.

57 services57 patients

Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more 99213

This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.

53 services41 patients

Subsequent nursing facility care with straightforward level of medical decision making, per day, if using time, 20 minutes or more 99308

A follow-up nursing facility visit per day is a daily check-up service provided by healthcare professionals. It lasts around 15 minutes and involves assessing your health status, monitoring your recovery progress, and addressing any concerns you may have about your health or treatment.

52 services24 patients

Subsequent nursing facility care with straightforward level of medical decision making, per day, if using time, at least 10 minutes 99307

A follow-up nursing facility visit per day typically lasts about 10 minutes. This service involves a healthcare professional checking on your health status, answering any questions you may have, and monitoring your progress. This routine check ensures your recovery is on track and any concerns are addressed promptly.

46 services18 patients

Insertion of needle into vein for collection of blood sample 36415

This procedure involves inserting a small needle into a vein, typically in your arm, to collect a blood sample. It's a quick and simple process to help diagnose or monitor health conditions. You may feel a small prick, but discomfort is minimal.

39 services29 patients

Initial nursing facility care with high level of medical decision making, per day, if using time, 50 minutes or more 99306

An initial nursing facility visit is your first meeting with your healthcare team at a nursing facility. Lasting typically 45 minutes, this appointment involves a comprehensive health assessment and the creation of your personalized care plan. It's a crucial step to ensure your health and well-being.

34 services31 patients

Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more 99215

This service involves a follow-up appointment for existing patients, lasting between 40 to 54 minutes. During this time, your healthcare provider will assess your current health status, discuss any changes or concerns, review your treatment plan, and answer any questions you may have.

28 services27 patients

Removal of polyps or growths of large bowel using an endoscope with mechanical snare 45385

This procedure involves using a thin, flexible tube called an endoscope to examine the large bowel. If any abnormal growths or polyps are found, a tool called a mechanical snare is used to remove them. This is a common method to prevent potential health issues.

20 services20 patients

Specimen analysis for blood 82271

Specimen analysis for blood is a test that examines your blood to assess your health. It helps identify any diseases or disorders, checks how well your organs are working, and monitors the effectiveness of treatments. This process involves drawing a small amount of blood, usually from your arm, for laboratory analysis.

20 services20 patients

Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope 43239

This procedure involves using a thin, flexible tube with a light and camera, known as an endoscope, to examine the esophagus, stomach, and upper part of the small intestine. Small tissue samples are taken for further examination to help diagnose various conditions.

17 services16 patients

Biopsy of large bowel using a flexible endoscope 45380

A biopsy of the large bowel using a flexible endoscope is a procedure where a thin, flexible tube with a camera is inserted through the rectum to examine the bowel. If abnormal tissue is found, a small sample is taken for further examination. This helps in diagnosing conditions like inflammation, polyps, or cancer.

15 services15 patients

New patient office or other outpatient visit with a high level of medical decision making, if using time, 60 minutes or more 99205

This is a first-time patient visit where a healthcare professional spends 60-74 minutes with you. It involves a comprehensive evaluation, including your medical history and current health condition. They'll also advise on preventive health measures and formulate a treatment plan if needed.

14 services14 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 11580 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient

$154.28 typical visit price

range $67.40 – $203.53

Typical copayment $38.57 (range $16.85 – $50.88)

Most-billed visit code 99204

Established Patient

$117.62 typical visit price

range $21.66 – $164.45

Typical copayment $29.40 (range $5.41 – $41.11)

Most-billed visit code 99214

Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Bernard Bienstock's NPI number?

The NPI number for Bernard Bienstock is 1043229008. It was assigned to this individual provider in the NPPES registry on August 7, 2006.

Where is Bernard Bienstock located?

Bernard Bienstock practices at 509 W. Merrick Road, Valley Stream, NY 11580. The listed phone number is (516) 561-8188.

What is Bernard Bienstock's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Gastroenterology, with taxonomy code 207RG0100X.

Is Bernard Bienstock enrolled in Medicare?

Yes. Bernard Bienstock is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

Does Bernard Bienstock hold a CLIA laboratory certificate?

Yes. A Certificate of Waiver (number 33D0726197) is associated with this NPI, valid through October 17, 2026. CLIA certificates authorize laboratory testing under the federal Clinical Laboratory Improvement Amendments program.

When was this NPI record last updated?

The NPPES record for Bernard Bienstock was last updated on May 3, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.