DR. DAVID WILLIAM O'NEILL M.D.
NPI 1386874923
Pathology - Blood Banking & Transfusion Medicine in New York, NY

NPI Status: Active since July 16, 2009

Contact Information

400 E 34TH ST
RUSK RESEARCH BLDG RM RR-718
NEW YORK, NY
ZIP 10016
Phone: (212) 263-8046
Fax: (212) 263-0270

Get Directions Write a Review

  • Individual
  • Male
  • Pathology
  • Blood Banking & Transfusion Medicine

About DAVID O'NEILL

This page provides the complete NPI Profile along with additional information for David O'neill, a provider established in New York, New York with a medical specialization in Pathology, focusing in blood banking & transfusion medicine . The healthcare provider is registered in the NPI registry with number 1386874923 assigned on July 2009. The practitioner's primary taxonomy code is 207ZB0001X with license number 167576 (NY). The provider is registered as an individual and his NPI record was last updated 17 years ago.

NPI
1386874923
Provider Name
DR. DAVID WILLIAM O'NEILL M.D.
Gender
Male
Entity Type
Individual
Location Address
400 E 34TH ST RUSK RESEARCH BLDG RM RR-718 NEW YORK, NY 10016
Location Phone
(212) 263-8046
Location Fax
(212) 263-0270
Mailing Address
400 E 34TH ST RUSK RESEARCH BLDG RM RR-718 NEW YORK, NY 10016
Mailing Phone
(212) 263-8046
Mailing Fax
(212) 263-0270
Is Sole Proprietor?
No
Enumeration Date
07-16-2009
Last Update Date
07-16-2009
Code Navigator

Location Map

Specialty - Primary Taxonomy

The NPI enumerator requires providers to submit at least one taxonomy code. A taxonomy code is a unique 10-character code that describes the healthcare provider type, classification, and the area of specialization. There could be only one primary taxonomy code per NPI record. For individual NPIs the license data is associated to the taxonomy code.

Classification

Pathology Blood Banking & Transfusion Medicine

Taxonomy Code
207ZB0001X
Type
Allopathic & Osteopathic Physicians
License No.
167576
License State
NY
Taxonomy Description
A physician who specializes in blood banking/transfusion medicine is responsible for the maintenance of an adequate blood supply, blood donor and patient-recipient safety and appropriate blood utilization. Pre-transfusion compatibility testing and antibody testing assure that blood transfusions, when indicated, are as safe as possible. This physician directs the preparation and safe use of specially prepared blood components, including red blood cells, white blood cells, platelets and plasma constituents, and marrow or stem cells for transplantation.

Reviews for DR. DAVID WILLIAM O'NEILL M.D.

There are currently no reviews for this provider. Be the first person to share your experience with this provider by filling out our review form. Your insights are appreciated and will help others make informed decisions.

NPI NPI Number Validation

How NPI Validation Works

The NPI validation process uses the ISO-standard Luhn algorithm, a mathematical "handshake", to ensure that a provider's 10-digit ID is authentic and free of common typing errors.

To verify the NPI 1386874923, we treat the final digit (3) as the Check Digit—the target answer we need to reach. The process begins by taking the first nine digits and adding a constant value of 24, which accounts for the "80840" prefix required for all U.S. health identifiers. We then double every other digit starting from the right and sum the individual digits of those results together. For this specific NPI, that total comes to 77. The final step is to find the difference between that total and the next multiple of ten (80 - 77 = 3).

Digit-by-digit view

Use the first nine digits for the calculation. Starting from the right, double every other digit. The last digit is the check digit and is not part of the calculation.

Pos 1
1
Doubled → 2
Pos 2
3
Unchanged
Pos 3
8
Doubled → 16 → 1 + 6
Pos 4
6
Unchanged
Pos 5
8
Doubled → 16 → 1 + 6
Pos 6
7
Unchanged
Pos 7
4
Doubled → 8
Pos 8
9
Unchanged
Pos 9
2
Doubled → 4
Check
3
Target digit
Regular digit Doubled digit Check digit

Step 1: Double every other digit from the right

Starting with the rightmost digit of the first nine digits, double every other value. If doubling creates a two-digit number, add those digits together.

1 → 2 8 → 16 → 7 8 → 16 → 7 4 → 8 2 → 4

Step 2: Add all digits plus the NPI constant

Add the transformed values, the unchanged digits, and the constant 24.

2 + 3 + 1 + 6 + 6 + 1 + 6 + 7 + 8 + 9 + 4 + 24 = 77

Step 3: Find the amount needed to reach the next multiple of 10

The next multiple of ten after 77 is 80. The difference is the calculated check digit.

80 - 77 = 3
This NPI is valid
The calculated check digit is 3, which matches the last digit of 1386874923.

Other Providers at the Same Location


The following 20 providers are registered at the same or a nearby location.

Physical Medicine & Rehabilitation
400 E 34TH ST, #211R
NEW YORK, NY 10016
Psychiatry & Neurology (Neurology)
400 E 34TH ST, RR-311
NEW YORK, NY 10016
Physical Medicine & Rehabilitation
400 E 34TH ST
NEW YORK, NY 10016
Physical Medicine & Rehabilitation
400 E 34TH ST
NEW YORK, NY 10016
Orthopaedic Surgery
400 E 34TH ST, RR 108
NEW YORK, NY 10016
Specialist
400 E 34TH ST
NEW YORK, NY 10016
Psychologist
400 E 34TH ST, RR515
NEW YORK, NY 10016
Pathology (Blood Banking & Transfusion Medicine)
400 E 34TH ST, BLOOD BANK, RRG-17
NEW YORK, NY 10016
Physical Therapist
400 E 34TH ST
NEW YORK, NY 10016
Physical Medicine & Rehabilitation
400 E 34TH ST, RM 600
NEW YORK, NY 10016
Physical Therapist
400 E 34TH ST
NEW YORK, NY 10016
Rehabilitation Hospital
400 E 34TH ST
NEW YORK, NY 10016
Occupational Therapist (Pediatrics)
400 E 34TH ST
NEW YORK, NY 10016
Physical Therapist
400 E 34TH ST, PHYSICAL THERAPY DEPARTMENT
NEW YORK, NY 10016
Occupational Therapist
400 E 34TH ST
NEW YORK, NY 10016
Physical Medicine & Rehabilitation
400 E 34TH ST
NEW YORK, NY 10016
Physical Medicine & Rehabilitation
400 E 34TH ST
NEW YORK, NY 10016
Physical Medicine & Rehabilitation (Pediatric Rehabilitation Medicine)
400 E 34TH ST, RM 518
NEW YORK, NY 10016
Physical Medicine & Rehabilitation (Spinal Cord Injury Medicine)
400 E 34TH ST
NEW YORK, NY 10016
Physical Medicine & Rehabilitation
400 E 34TH ST
NEW YORK, NY 10016

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1386874923, enumerated as an "individual" on July 16, 2009.

The provider is located at 400 E 34TH ST RUSK RESEARCH BLDG RM RR-718 NEW YORK, NY 10016 and the phone number is (212) 263-8046.

Pathology with taxonomy code 207ZB0001X and a focus in Blood Banking & Transfusion Medicine.