DR. MARC SALIM BALLAS M.D., M.P.H.
NPI 1952527269
Internal Medicine - Medical Oncology in New York, NY

NPI Status: Active since April 17, 2007

Contact Information

160 E 34TH ST
RM 820
NEW YORK, NY
ZIP 10016
Phone: (212) 731-6645
Fax: (212) 731-5545

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  • Individual
  • Male
  • Internal Medicine
  • Medical Oncology

About MARC BALLAS

This page provides the complete NPI Profile along with additional information for Marc Ballas, an internist established in New York, New York with a medical specialization in Internal Medicine, focusing in medical oncology . The healthcare provider is registered in the NPI registry with number 1952527269 assigned on April 2007. The practitioner's primary taxonomy code is 207RX0202X with license number 229026 (NY). The provider is registered as an individual and his NPI record was last updated 15 years ago.

NPI
1952527269
Provider Name
DR. MARC SALIM BALLAS M.D., M.P.H.
Other Name
DR. MOURAD SALIM BALLAS MD MPH
Other Name Type
Former Name (1)
Gender
Male
Entity Type
Individual
Location Address
160 E 34TH ST RM 820 NEW YORK, NY 10016
Location Phone
(212) 731-6645
Location Fax
(212) 731-5545
Mailing Address
5 RESEARCH PKWY WALLINGFORD, CT 06492
Mailing Phone
(203) 677-5252
Mailing Fax
(212) 731-5545
Is Sole Proprietor?
Yes
Enumeration Date
04-17-2007
Last Update Date
07-25-2011
Code Navigator

An internist like Marc Ballas 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 Medical Oncology

Taxonomy Code
207RX0202X
Type
Allopathic & Osteopathic Physicians
License No.
229026
License State
NY
Taxonomy Description
An internist who specializes in the diagnosis and treatment of all types of cancer and other benign and malignant tumors. This specialist decides on and administers therapy for these malignancies as well as consults with surgeons and radiotherapists on other treatments for cancer.

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)
1207R00000XAllopathic & Osteopathic Physicians

Internal Medicine

62998 (MD)

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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 1952527269, we treat the final digit (9) 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 51. The final step is to find the difference between that total and the next multiple of ten (60 - 51 = 9).

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
9
Unchanged
Pos 3
5
Doubled → 10 → 1 + 0
Pos 4
2
Unchanged
Pos 5
5
Doubled → 10 → 1 + 0
Pos 6
2
Unchanged
Pos 7
7
Doubled → 14 → 1 + 4
Pos 8
2
Unchanged
Pos 9
6
Doubled → 12 → 1 + 2
Check
9
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 5 → 10 → 1 5 → 10 → 1 7 → 14 → 5 6 → 12 → 3

Step 2: Add all digits plus the NPI constant

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

2 + 9 + 1 + 0 + 2 + 1 + 0 + 2 + 1 + 4 + 2 + 1 + 2 + 24 = 51

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

The next multiple of ten after 51 is 60. The difference is the calculated check digit.

60 - 51 = 9
This NPI is valid
The calculated check digit is 9, which matches the last digit of 1952527269.

Other Providers at the Same Location


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

Surgery (Surgical Oncology)
160 E 34TH ST, 4TH FLOOR
NEW YORK, NY 10016
Internal Medicine (Hematology & Oncology)
160 E 34TH ST, 9TH FL.
NEW YORK, NY 10016
Radiology (Radiation Oncology)
160 E 34TH ST, LL
NEW YORK, NY 10016
Internal Medicine (Hematology & Oncology)
160 E 34TH ST, 7TH FL
NEW YORK, NY 10016
Internal Medicine (Hematology & Oncology)
160 E 34TH ST, 4TH FL.
NEW YORK, NY 10016
Obstetrics & Gynecology (Gynecologic Oncology)
160 E 34TH ST, 4TH FL.
NEW YORK, NY 10016
Internal Medicine (Hematology & Oncology)
160 E 34TH ST, 4TH FL
NEW YORK, NY 10016
Surgery (Surgical Oncology)
160 E 34TH ST, 4TH FL.
NEW YORK, NY 10016
Radiology (Radiation Oncology)
160 E 34TH ST, NYU CANCER INSTITUTE
NEW YORK, NY 10016
Orthopaedic Surgery
160 E 34TH ST
NEW YORK, NY 10016
Radiology (Diagnostic Radiology)
160 E 34TH ST
NEW YORK, NY 10016
Surgery (Surgical Oncology)
160 E 34TH ST, 9TH FL
NEW YORK, NY 10016
Radiology (Diagnostic Radiology)
160 E 34TH ST, 3RD FLOOR
NEW YORK, NY 10016
Internal Medicine (Medical Oncology)
160 E 34TH ST, 3RD FL
NEW YORK, NY 10016
Internal Medicine (Hematology)
160 E 34TH ST, 7TH FL
NEW YORK, NY 10016
Internal Medicine (Hematology & Oncology)
160 E 34TH ST
NEW YORK, NY 10016
Internal Medicine (Hematology & Oncology)
160 E 34TH ST
NEW YORK, NY 10016
Nurse Practitioner (Adult Health)
160 E 34TH ST, 3RD FLOOR
NEW YORK, NY 10016
Nurse Practitioner (Adult Health)
160 E 34TH ST, NYU CCC
NEW YORK, NY 10016
Clinic/Center (Oncology, Radiation)
160 E 34TH ST
NEW YORK, NY 10016

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1952527269, enumerated as an "individual" on April 17, 2007.

The provider is located at 160 E 34TH ST RM 820 NEW YORK, NY 10016 and the phone number is (212) 731-6645.

Internal Medicine with taxonomy code 207RX0202X and a focus in Medical Oncology.