MSKCC PHYSICIANS @ ST CLARE'S HOSPITAL
NPI 1639140155
Radiology - Radiation Oncology in Denville, NJ

NPI Status: Active since February 01, 2006

Contact Information

23 POCONO RD
DENVILLE, NJ
ZIP 07834
Phone: (646) 227-3813

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  • Organization
  • Radiology
  • Radiation Oncology

About MSKCC PHYSICIANS @ ST CLARE'S HOSPITAL

This page provides the complete NPI Profile along with additional information for Mskcc Physicians @ St Clare's Hospital, a provider established in Denville, New Jersey operating as a Radiology, focusing in radiation oncology . The healthcare provider is registered in the NPI registry with number 1639140155 assigned on February 2006. The practitioner's primary taxonomy code is 2085R0001X. The provider is registered as an organization and their NPI record was last updated one year ago. Mskcc Physicians @ St Clare's Hospital operates as a Multi-Specialty Group with one or more individual practitioners, who practice different areas of specialization. The authorized official of this NPI record is Charles A Ryke (Manager)

NPI
1639140155
Provider Name
MSKCC PHYSICIANS @ ST CLARE'S HOSPITAL
Entity Type
Organization
Location Address
23 POCONO RD DENVILLE, NJ 07834
Location Phone
(646) 227-3813
Mailing Address
633 3RD AVE BOX 3 NEW YORK, NY 10017
Is Sole Proprietor?
No
Is Organization Subpart?
No
Enumeration Date
02-01-2006
Last Update Date
09-11-2025
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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

Radiology Radiation Oncology

Taxonomy Code
2085R0001X
Type
Allopathic & Osteopathic Physicians
Taxonomy Description
A radiologist who deals with the therapeutic applications of radiant energy and its modifiers and the study and management of disease, especially malignant tumors.

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)
1207RX0202XAllopathic & Osteopathic Physicians

Internal Medicine
Medical Oncology

 

Group Taxonomy 193200000X MULTI-SPECIALTY GROUP

This provider is a business group of one or more individual practitioners, who practice with different areas 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

CHARLES A RYKE

Authorized Official Title
MANAGER
Authorized Official Phone
(646) 227-3650

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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 1639140155, 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 55. The final step is to find the difference between that total and the next multiple of ten (60 - 55 = 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
6
Unchanged
Pos 3
3
Doubled → 6
Pos 4
9
Unchanged
Pos 5
1
Doubled → 2
Pos 6
4
Unchanged
Pos 7
0
Doubled → 0
Pos 8
1
Unchanged
Pos 9
5
Doubled → 10 → 1 + 0
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 1 → 2 0 → 0 5 → 10 → 1

Step 2: Add all digits plus the NPI constant

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

2 + 6 + 6 + 9 + 2 + 4 + 0 + 1 + 1 + 0 + 24 = 55

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

The next multiple of ten after 55 is 60. The difference is the calculated check digit.

60 - 55 = 5
This NPI is valid
The calculated check digit is 5, which matches the last digit of 1639140155.

Other Providers at the Same Location


The following 12 providers are registered at the same or a nearby location.

Internal Medicine (Medical Oncology)
23 POCONO RD
DENVILLE, NJ 07834
Radiology (Radiation Oncology)
23 POCONO RD
DENVILLE, NJ 07834
Radiology (Diagnostic Radiology)
23 POCONO RD
DENVILLE, NJ 07834
Internal Medicine (Hematology & Oncology)
23 POCONO RD, SUITE 100
DENVILLE, NJ 07834
Internal Medicine (Hematology & Oncology)
23 POCONO RD, SUITE 100
DENVILLE, NJ 07834
Clinical Nurse Specialist (Oncology)
23 POCONO RD, SUITE 100
DENVILLE, NJ 07834
Physician Assistant (Medical)
23 POCONO RD, SUITE 100
DENVILLE, NJ 07834
Internal Medicine (Medical Oncology)
23 POCONO RD
DENVILLE, NJ 07834
Radiology (Radiation Oncology)
23 POCONO RD
DENVILLE, NJ 07834
Occupational Therapist
23 POCONO RD
DENVILLE, NJ 07834
Nurse Practitioner (Adult Health)
23 POCONO RD, SUITE 100
DENVILLE, NJ 07834
Nurse Practitioner (Family)
23 POCONO RD, SUITE 100
DENVILLE, NJ 07834

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1639140155, enumerated as an "organization" on February 01, 2006.

The provider is located at 23 POCONO RD DENVILLE, NJ 07834 and the phone number is (646) 227-3813.

Radiology with taxonomy code 2085R0001X and a focus in Radiation Oncology.