PAUL ERIC HAMMERSCHLAG, MD, FACS, PLLC
NPI 1538303615
Otolaryngology - Otology & Neurotology in New York, NY

NPI Status: Active since April 21, 2009

Contact Information

650 1ST AVE
NEW YORK, NY
ZIP 10016
Phone: (212) 889-2600
Fax: (212) 679-9207

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  • Organization
  • Otolaryngology
  • Otology & Neurotology

About PAUL ERIC HAMMERSCHLAG, MD, FACS, PLLC

This page provides the complete NPI Profile along with additional information for Paul Eric Hammerschlag, Md, Facs, Pllc, a provider established in New York, New York operating as a Otolaryngology, focusing in otology & neurotology . The healthcare provider is registered in the NPI registry with number 1538303615 assigned on April 2009. The practitioner's primary taxonomy code is 207YX0901X with license number 141394 (NY). The provider is registered as an organization and their NPI record was last updated 17 years ago. The organization operates as a Single Specialty Group with one or more individual practitioners, all of who practice with the same area of specialization. The authorized official of this NPI record is Paul E. Hammerschlag Md (Member)

NPI
1538303615
Provider Name
PAUL ERIC HAMMERSCHLAG, MD, FACS, PLLC
Entity Type
Organization
Location Address
650 1ST AVE NEW YORK, NY 10016
Location Phone
(212) 889-2600
Location Fax
(212) 679-9207
Mailing Address
650 1ST AVE NEW YORK, NY 10016
Mailing Phone
(212) 889-2600
Mailing Fax
(212) 679-9207
Is Sole Proprietor?
No
Is Organization Subpart?
No
Enumeration Date
04-21-2009
Last Update Date
04-21-2009
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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

Otolaryngology Otology & Neurotology

Taxonomy Code
207YX0901X
Type
Allopathic & Osteopathic Physicians
License No.
141394
License State
NY
Taxonomy Description
An otolaryngologist who treats diseases of the ear and temporal bone, including disorders of hearing and balance. The additional training in otology and neurotology emphasizes the study of embryology, anatomy, physiology, epidemiology, pathophysiology, pathology, genetics, immunology, microbiology and the etiology of diseases of the ear and temporal bone.

Group Taxonomy 193400000X SINGLE SPECIALTY GROUP

This provdier is a business group of one or more individual practitioners, all of who practice with the same area of specialization.

Authorized Official

The authorized official is the designated individual with the legal authority to make changes to the provider’s official NPI record. For organizations, the authorized official must be a general partner, chairman of the board, CEO, CFO or a direct owner holding at least a 5 percent stake in the medical organization.

Authorized Official Name

PAUL E. HAMMERSCHLAG MD

Authorized Official Title
MEMBER
Authorized Official Phone
(212) 889-2600

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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 1538303615, we treat the final digit (5) 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 65. The final step is to find the difference between that total and the next multiple of ten (70 - 65 = 5).

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
5
Unchanged
Pos 3
3
Doubled → 6
Pos 4
8
Unchanged
Pos 5
3
Doubled → 6
Pos 6
0
Unchanged
Pos 7
3
Doubled → 6
Pos 8
6
Unchanged
Pos 9
1
Doubled → 2
Check
5
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 3 → 6 3 → 6 3 → 6 1 → 2

Step 2: Add all digits plus the NPI constant

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

2 + 5 + 6 + 8 + 6 + 0 + 6 + 6 + 2 + 24 = 65

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

The next multiple of ten after 65 is 70. The difference is the calculated check digit.

70 - 65 = 5
This NPI is valid
The calculated check digit is 5, which matches the last digit of 1538303615.

Other Providers at the Same Location


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

Radiology (Diagnostic Radiology)
650 1ST AVE, 2ND FLOOR
NEW YORK, NY 10016
Radiology (Diagnostic Radiology)
650 1ST AVE, 2ND FLOOR
NEW YORK, NY 10016
Radiology (Diagnostic Radiology)
650 1ST AVE, 2ND FLOOR
NEW YORK, NY 10016
Radiology (Diagnostic Radiology)
650 1ST AVE, 2ND FLOOR
NEW YORK, NY 10016
Radiology (Diagnostic Radiology)
650 1ST AVE, 2ND FLOOR
NEW YORK, NY 10016
Radiology (Diagnostic Radiology)
650 1ST AVE
NEW YORK, NY 10016
Radiology (Diagnostic Radiology)
650 1ST AVE
NEW YORK, NY 10016
Radiology (Diagnostic Radiology)
650 1ST AVE, 8TH FLOOR
NEW YORK, NY 10016
Radiology (Diagnostic Radiology)
650 1ST AVE, 8TH FLOOR
NEW YORK, NY 10016
Radiology (Diagnostic Radiology)
650 1ST AVE, 8TH FLOOR
NEW YORK, NY 10016
Internal Medicine (Pulmonary Disease)
650 1ST AVE
NEW YORK, NY 10016
Psychiatry & Neurology (Neurology)
650 1ST AVE
NEW YORK, NY 10016
Audiologist
650 1ST AVE, 6TH FLOOR
NEW YORK, NY 10016
Internal Medicine (Cardiovascular Disease)
650 1ST AVE, 3RD FLOOR
NEW YORK, NY 10016
Specialist
650 1ST AVE
NEW YORK, NY 10016
Exclusive Provider Organization
650 1ST AVE, THIRD FLOOR
NEW YORK, NY 10016
Specialist
650 1ST AVE, 4TH FLOOR
NEW YORK, NY 10016
Radiology (Diagnostic Radiology)
650 1ST AVE
NEW YORK, NY 10016
Psychiatry & Neurology (Neurology)
650 1ST AVE
NEW YORK, NY 10016
Otolaryngology (Otology & Neurotology)
650 1ST AVE
NEW YORK, NY 10016

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1538303615, enumerated as an "organization" on April 21, 2009.

The provider is located at 650 1ST AVE NEW YORK, NY 10016 and the phone number is (212) 889-2600.

Otolaryngology with taxonomy code 207YX0901X and a focus in Otology & Neurotology.