ALLEN H UNGER MD ARTHUR C WEISENSEEL MD PC
NPI 1033250386
Internal Medicine in New York, NY

NPI Status: Active since February 09, 2007

Contact Information

12 EASE 86TH STREET
NEW YORK, NY
ZIP 10028
Phone: (212) 734-6000
Fax: (212) 794-0299

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  • Organization
  • Internal Medicine

About ALLEN H UNGER MD ARTHUR C WEISENSEEL MD PC

This page provides the complete NPI Profile along with additional information for Allen H Unger Md Arthur C Weisenseel Md Pc, an internist established in New York, New York operating as a Internal Medicine. The healthcare provider is registered in the NPI registry with number 1033250386 assigned on February 2007. The practitioner's primary taxonomy code is 207R00000X with license number 093628 ARTHUR C WEIS (NY). The provider is registered as an organization and their NPI record was last updated one year 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 Mrs. Marian Donohue (Office Manager)

NPI
1033250386
Provider Name
ALLEN H UNGER MD ARTHUR C WEISENSEEL MD PC
Entity Type
Organization
Location Address
12 EASE 86TH STREET NEW YORK, NY 10028
Location Phone
(212) 734-6000
Location Fax
(212) 794-0299
Mailing Address
12 EASE 86TH STREET NEW YORK, NY 10028
Mailing Phone
(212) 734-6000
Mailing Fax
(212) 794-0299
Is Sole Proprietor?
No
Is Organization Subpart?
No
Enumeration Date
02-09-2007
Last Update Date
09-11-2025
Code Navigator

An internist like Allen H Unger Md Arthur C Weisenseel Md Pc is a physician who has completed an internal medicine residency and is board-certified or board-eligible in an internist specialty. Internists are trained to care for adults of all ages for many different medical conditions. An internist typically monitors chronic physical conditions, identifies acute diseases, provides family planning, provides counseling about wellness and disease prevention, etc.

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

Internal Medicine

Taxonomy Code
207R00000X
Type
Allopathic & Osteopathic Physicians
License No.
093628 ARTHUR C WEIS
License State
NY
Taxonomy Description
A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.

Secondary Taxonomies

The provider has reported to the NPI enumerator additional taxonomy codes. Multiple taxonomy codes may represent subspecialties or other areas of specialization the provider maybe licensed to practice.

No. Taxonomy Code Type Classification /
Specialization
License No. (State)
1207RC0000XAllopathic & Osteopathic Physicians

Internal Medicine
Cardiovascular Disease

ALLEN H UNGER 086886 (NY)

Group Taxonomy 193400000X MULTIPLE 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

MRS. MARIAN DONOHUE

Authorized Official Title
OFFICE MANAGER
Authorized Official Phone
(212) 734-6000

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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 1033250386, we treat the final digit (6) 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 54. The final step is to find the difference between that total and the next multiple of ten (60 - 54 = 6).

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
0
Unchanged
Pos 3
3
Doubled → 6
Pos 4
3
Unchanged
Pos 5
2
Doubled → 4
Pos 6
5
Unchanged
Pos 7
0
Doubled → 0
Pos 8
3
Unchanged
Pos 9
8
Doubled → 16 → 1 + 6
Check
6
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 2 → 4 0 → 0 8 → 16 → 7

Step 2: Add all digits plus the NPI constant

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

2 + 0 + 6 + 3 + 4 + 5 + 0 + 3 + 1 + 6 + 24 = 54

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

The next multiple of ten after 54 is 60. The difference is the calculated check digit.

60 - 54 = 6
This NPI is valid
The calculated check digit is 6, which matches the last digit of 1033250386.

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1033250386, enumerated as an "organization" on February 09, 2007.

The provider is located at 12 EASE 86TH STREET NEW YORK, NY 10028 and the phone number is (212) 734-6000.

Internal Medicine with taxonomy code 207R00000X.