DR. RAMA M JAGER MD, PH.D.
NPI 1992874051
Colon & Rectal Surgery in Indianapolis, IN

NPI Status: Active since November 06, 2006

Contact Information

931 E 86TH ST STE 107
INDIANAPOLIS, IN
ZIP 46240
Phone: (317) 418-8110
Fax: (317) 252-5757

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  • Individual
  • Male
  • Colon & Rectal Surgery

About RAMA JAGER

This page provides the complete NPI Profile along with additional information for Rama Jager, a provider established in Indianapolis, Indiana with a medical specialization in Colon & Rectal Surgery. The healthcare provider is registered in the NPI registry with number 1992874051 assigned on November 2006. The practitioner's primary taxonomy code is 208C00000X with license number 01028376A (IN). The provider is registered as an individual and his NPI record was last updated May 2026.

NPI
1992874051
Provider Name
DR. RAMA M JAGER MD, PH.D.
Gender
Male
Entity Type
Individual
Location Address
931 E 86TH ST STE 107 INDIANAPOLIS, IN 46240
Location Phone
(317) 418-8110
Location Fax
(317) 252-5757
Mailing Address
931 E 86TH ST STE 107 INDIANAPOLIS, IN 46240
Mailing Phone
(317) 418-8110
Mailing Fax
(317) 252-5757
Is Sole Proprietor?
Yes
Enumeration Date
11-06-2006
Last Update Date
05-19-2026
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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

Colon & Rectal Surgery

Taxonomy Code
208C00000X
Type
Allopathic & Osteopathic Physicians
License No.
01028376A
License State
IN
Taxonomy Description
A colon and rectal surgeon is trained to diagnose and treat various diseases of the intestinal tract, colon, rectum, anal canal and perianal area by medical and surgical means. This specialist also deals with other organs and tissues (such as the liver, urinary and female reproductive system) involved with primary intestinal disease.

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)
1208600000XAllopathic & Osteopathic Physicians

Surgery

01028376A (IN)
2208600000XAllopathic & Osteopathic Physicians

Surgery

46013 (AZ)
3208C00000XAllopathic & Osteopathic Physicians

Colon & Rectal Surgery

46013 (AZ)

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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 1992874051, we treat the final digit (1) 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 69. The final step is to find the difference between that total and the next multiple of ten (70 - 69 = 1).

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
9
Doubled → 18 → 1 + 8
Pos 4
2
Unchanged
Pos 5
8
Doubled → 16 → 1 + 6
Pos 6
7
Unchanged
Pos 7
4
Doubled → 8
Pos 8
0
Unchanged
Pos 9
5
Doubled → 10 → 1 + 0
Check
1
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 9 → 18 → 9 8 → 16 → 7 4 → 8 5 → 10 → 1

Step 2: Add all digits plus the NPI constant

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

2 + 9 + 1 + 8 + 2 + 1 + 6 + 7 + 8 + 0 + 1 + 0 + 24 = 69

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

The next multiple of ten after 69 is 70. The difference is the calculated check digit.

70 - 69 = 1
This NPI is valid
The calculated check digit is 1, which matches the last digit of 1992874051.

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1992874051, enumerated as an "individual" on November 06, 2006.

The provider is located at 931 E 86TH ST STE 107 INDIANAPOLIS, IN 46240 and the phone number is (317) 418-8110.

Colon & Rectal Surgery with taxonomy code 208C00000X.