DR. GREGORIO M TOLENTINO JR. MD
NPI 1336120807
Radiology - Radiation Oncology in Blue Island, IL

NPI Status: Active since November 10, 2005

Contact Information

2310 YORK ST
SUITE M
BLUE ISLAND, IL
ZIP 60406
Phone: (708) 396-0910
Fax: (708) 388-4354

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  • Individual
  • Male
  • Radiology
  • Radiation Oncology

About GREGORIO TOLENTINO

This page provides the complete NPI Profile along with additional information for Gregorio Tolentino, a provider established in Blue Island, Illinois with a medical specialization in Radiology, focusing in radiation oncology . The healthcare provider is registered in the NPI registry with number 1336120807 assigned on November 2005. The practitioner's primary taxonomy code is 2085R0001X with license number 036053508 (IL). The provider is registered as an individual and his NPI record was last updated 8 years ago.

NPI
1336120807
Provider Name
DR. GREGORIO M TOLENTINO JR. MD
Gender
Male
Entity Type
Individual
Location Address
2310 YORK ST SUITE M BLUE ISLAND, IL 60406
Location Phone
(708) 396-0910
Location Fax
(708) 388-4354
Mailing Address
PO BOX 967 TINLEY PARK, IL 60477
Mailing Phone
(708) 396-0909
Mailing Fax
(708) 388-4354
Is Sole Proprietor?
No
Enumeration Date
11-10-2005
Last Update Date
06-05-2018
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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
License No.
036053508
License State
IL
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.

Insurance Plans Accepted

According to publicly available information the provider might be accepting the following health plans from these health insurance companies:

Specific plan information not avaialable, please contact the provider to verify if your insurance plan is accepted.

Specific plan information not avaialable, please contact the provider to verify if your insurance plan is accepted.

Specific plan information not avaialable, please contact the provider to verify if your insurance plan is accepted.

*Please verify directly with this provider to make sure your insurance plan is currently accepted.

Additional Identifiers

The NPI Enumerator encourages providers to submit additional identifiers with their NPI application although the submission of this information is optional. The additional identifier(s) section includes other numbers or codes currently or formerly used as an identifier for the provider by other public healthcare entities. The identifiers may include UPIN, NSC, OSCAR, DEA, Medicaid State or PIN identification numbers.

Identifier Type / Code Identifier State Identifier Issuer
036053508MEDICAID (05)IL 
920000793OTHER (01)ILRR MEDICARE

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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 1336120807, we treat the final digit (7) 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 53. The final step is to find the difference between that total and the next multiple of ten (60 - 53 = 7).

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

Step 2: Add all digits plus the NPI constant

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

2 + 3 + 6 + 6 + 2 + 2 + 0 + 8 + 0 + 24 = 53

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

The next multiple of ten after 53 is 60. The difference is the calculated check digit.

60 - 53 = 7
This NPI is valid
The calculated check digit is 7, which matches the last digit of 1336120807.

Other Providers at the Same Location


The following 11 providers are registered at the same or a nearby location.

Thoracic Surgery (Cardiothoracic Vascular Surgery)
2310 YORK ST, SUITE 3A
BLUE ISLAND, IL 60406
Family Medicine
2310 YORK ST, SUITE 2 C
BLUE ISLAND, IL 60406
Radiology (Radiation Oncology)
2310 YORK ST, SUITE M
BLUE ISLAND, IL 60406
Internal Medicine (Gastroenterology)
2310 YORK ST, SUITE 2B
BLUE ISLAND, IL 60406
Psychiatry & Neurology (Neurology)
2310 YORK ST, #2C
BLUE ISLAND, IL 60406
Dentist (General Practice)
2310 YORK ST, 4B
BLUE ISLAND, IL 60406
Family Medicine
2310 YORK ST, SUITE 2C
BLUE ISLAND, IL 60406
Clinic/Center (Medical Specialty)
2310 YORK ST, SUITE 2B
BLUE ISLAND, IL 60406
Internal Medicine (Cardiovascular Disease)
2310 YORK ST
BLUE ISLAND, IL 60406
Family Medicine
2310 YORK ST, STE 2C
BLUE ISLAND, IL 60406
Internal Medicine
2310 YORK ST, SUITE 3C
BLUE ISLAND, IL 60406

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1336120807, enumerated as an "individual" on November 10, 2005.

The provider is located at 2310 YORK ST SUITE M BLUE ISLAND, IL 60406 and the phone number is (708) 396-0910.

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

The provider might be accepting Accepts: Medicare, Medicaid and Railroad Medicare. Please consult your insurance carrier or call the provider to verify.