P Praxis·MD
● Active Type 1 · Individual

DR. Mark Alan Chastain, MD

Dermatology·Marietta, GA· NPI 1790756138 · Enumerated 2006 · 20 years on NPI
Chastain is 1 of 30 dermatology providers in Marietta and 1 of 483 in Georgia.
NPI age
20 years
Enumerated 2006-02-01
Primary specialty
Dermatology
Plus 1 subspecialty
Licensed in
GA
1 state
Status
Active
No deactivations on record
Last NPPES update
2020-06-12
Source: monthly bulk 2026-05
Sole proprietor
No
May be part of a larger org

How this provider compares

Across 483 active dermatology providers in Georgia.

NPI age
20 years
↑ 2 yr above median (18 yr)
State licenses
1 state
13% of peers hold multiple states
Subspecialties
1
In the 33% of peers with subspecialties

NPI lifetime · 2006 → 2026

2006-02Enumerated in NPPES
2006 2026

Where they practice

Practice location
835 Cogburn Ave Nw, Suite 100
Marietta, GA 300601031
📞 7704225557fax 7704225456
Mailing address
835 Cogburn Ave Nw, Suite 100
Marietta, GA 300601031
📞 7704225557fax 7704225456

Specialties

  • Dermatology Primary
    A dermatologist is trained to diagnose and treat pediatric and adult patients with benign and malignant disorders of the skin, mouth, external genitalia, hair and nails, as well as a number of sexually transmitted diseases. The...
    GA license #048995 taxonomy 207N00000X
  • Dermatology
    The highly-trained surgeons that perform Mohs Micrographic Surgery are specialists both in dermatology and pathology. With their extensive knowledge of the skin and unique pathological skills, they are able to remove only diseased...
    GA license #048995 taxonomy 207ND0101X

Identifiers

TypeValueNotes
05 (GA) 339883816A
01 (GA) P00086676 RAILROAD MEDICARE

Practice context

Part of a multi-provider practice. 8 other active providers share this practice address in NPPES.

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How to verify this provider

  1. Confirm the NPI on NPPES.The CMS registry is the system of record. Open NPPES →
  2. Check the state license is currently active.State licensing boards publish current status; NPPES does not.
  3. Confirm payer enrollment if billing.NPI presence does not guarantee active enrollment with Medicare, Medicaid, or commercial payers.

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