DR. CHARLA CHERIE GEIST D.O.
NPI 1629274394
Internal Medicine - Infectious Disease in Apo, AE

NPI Status: Active since June 21, 2007

Contact Information

CMR 402 BOX 1426
APO, AE
ZIP 09180
Phone:

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  • Individual
  • Female
  • Internal Medicine
  • Infectious Disease

About CHARLA GEIST

This page provides the complete NPI Profile along with additional information for Charla Geist, an internist established in Apo, with a medical specialization in Internal Medicine, focusing in infectious disease . The healthcare provider is registered in the NPI registry with number 1629274394 assigned on June 2007. The practitioner's primary taxonomy code is 207RI0200X with license number 0102202335 (VA). The provider is registered as an individual and her NPI record was last updated 9 years ago.

NPI
1629274394
Provider Name
DR. CHARLA CHERIE GEIST D.O.
Gender
Female
Entity Type
Individual
Location Address
CMR 402 BOX 1426 APO, AE 09180
Location Phone
Mailing Address
CMR 402 BOX 1426 APO, AE 09180
Is Sole Proprietor?
Yes
Enumeration Date
06-21-2007
Last Update Date
03-27-2017
Code Navigator

An internist like Charla Geist 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 Infectious Disease

Taxonomy Code
207RI0200X
Type
Allopathic & Osteopathic Physicians
License No.
0102202335
License State
VA
Taxonomy Description
An internist who deals with infectious diseases of all types and in all organ systems. Conditions requiring selective use of antibiotics call for this special skill. This physician often diagnoses and treats AIDS patients and patients with fevers which have not been explained. Infectious disease specialists may also have expertise in preventive medicine and travel medicine.

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

0102202335 (VA)

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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 1629274394, we treat the final digit (4) 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 76. The final step is to find the difference between that total and the next multiple of ten (80 - 76 = 4).

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
2
Doubled → 4
Pos 4
9
Unchanged
Pos 5
2
Doubled → 4
Pos 6
7
Unchanged
Pos 7
4
Doubled → 8
Pos 8
3
Unchanged
Pos 9
9
Doubled → 18 → 1 + 8
Check
4
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 2 → 4 2 → 4 4 → 8 9 → 18 → 9

Step 2: Add all digits plus the NPI constant

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

2 + 6 + 4 + 9 + 4 + 7 + 8 + 3 + 1 + 8 + 24 = 76

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

The next multiple of ten after 76 is 80. The difference is the calculated check digit.

80 - 76 = 4
This NPI is valid
The calculated check digit is 4, which matches the last digit of 1629274394.

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1629274394, enumerated as an "individual" on June 21, 2007.

The provider is located at CMR 402 BOX 1426 APO, AE 09180 and the phone number is .

Internal Medicine with taxonomy code 207RI0200X and a focus in Infectious Disease.