DOLLY CHANTA'E PENN MD, MSCR
NPI 1669609442
Preventive Medicine - Public Health & General Preventive Medicine in Canton, GA

Active since June 18, 2009
111 MOUNTAIN BROOK DR STE 100, CANTON, GA 30115(678) 880-9654 Get Directions Write a Review

NPPES record last updated: February 25, 2025. Verified against the NPPES registry weekly; last sync: July 19, 2026.

Record update history: Feb 25, 2025, Oct 2, 2023, Feb 10, 2022 and 3 more (6 updates tracked since 2016).

  • Individual
  • Female
  • Preventive Medicine
  • Public Health & General Preventive Medic...

About DOLLY PENN

This page provides the complete NPI Profile along with additional information for Dolly Penn, a provider established in Canton, Georgia with a medical specialization in Preventive Medicine, focusing in public health & general preventive medicine . The healthcare provider is registered in the NPI registry with number 1669609442 assigned on June 2009. The practitioner's primary taxonomy code is 2083P0901X with license number 81812 (GA). The provider is registered as an individual and her NPI record was last updated one year ago.

NPI
1669609442
Provider Name
DOLLY CHANTA'E PENN MD, MSCR
Other Name
DOLLY PENN WHITE MD, MSCR
Other Name Type
Former Name (1)
Gender
Female
Entity Type
Individual
Location Address
111 MOUNTAIN BROOK DR STE 100 CANTON, GA 30115
Location Phone
(678) 880-9654
Mailing Address
6707 DEMOCRACY BLVD SUITE 800 BETHESDA, MD 20892
Mailing Phone
(301) 496-8676
Is Sole Proprietor?
Yes
Enumeration Date
06-18-2009
Last Update Date
02-25-2025
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Location Map

Secondary Locations

  • 7 Metropolitan Ct Ste 1
    Gaithersburg, MD 20878
    (240) 773-0300

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

Preventive Medicine Public Health & General Preventive Medicine

Taxonomy Code
2083P0901X
Type
Allopathic & Osteopathic Physicians
License No.
81812
License State
GA
Taxonomy Description
Public health and general preventive medicine focuses on promoting health, preventing disease, and managing the health of communities and defined populations. These practitioners combine population-based public health skills with knowledge of primary, secondary, and tertiary prevention-oriented clinical practice in a wide variety of settings.

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)
12083P0901XAllopathic & Osteopathic Physicians

Preventive Medicine
Public Health & General Preventive Medicine

D81335 (MD)
2208D00000XAllopathic & Osteopathic Physicians

General Practice

81812 (GA)

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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 1669609442, we treat the final digit (2) 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 68. The final step is to find the difference between that total and the next multiple of ten (70 - 68 = 2).

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
6
Doubled → 12 → 1 + 2
Pos 4
9
Unchanged
Pos 5
6
Doubled → 12 → 1 + 2
Pos 6
0
Unchanged
Pos 7
9
Doubled → 18 → 1 + 8
Pos 8
4
Unchanged
Pos 9
4
Doubled → 8
Check
2
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 6 → 12 → 3 6 → 12 → 3 9 → 18 → 9 4 → 8

Step 2: Add all digits plus the NPI constant

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

2 + 6 + 1 + 2 + 9 + 1 + 2 + 0 + 1 + 8 + 4 + 8 + 24 = 68

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

The next multiple of ten after 68 is 70. The difference is the calculated check digit.

70 - 68 = 2
This NPI is valid
The calculated check digit is 2, which matches the last digit of 1669609442.

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1669609442, enumerated as an "individual" on June 18, 2009.

The provider is located at 111 MOUNTAIN BROOK DR STE 100 CANTON, GA 30115 and the phone number is (678) 880-9654.

Preventive Medicine with taxonomy code 2083P0901X and a focus in Public Health & General Preventive Medicine.