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Edit this profileAt a glance
- 835 Cogburn Ave Nw, Suite 100, Marietta, GA 30060
About Dr. Chastain
Mark A. Chastain, MD is a healthcare provider in Marietta, GA specializing in micrographic dermatologic surgery (mds). Mark is also listed as specializing in dermatology. According to Medicare claims data, Mark cared for 4,426 Medicare patients across 6,112 services. The services billed most often include removal and microscopic exam of growth of head, neck, hands, feet, or genitals, 1-5 tissue blocks, removal and microscopic exam of growth of head, neck, hands, feet, or genitals, each additional stage, 1-5 tissue blocks, and complicated repair of wound of forehead, cheeks, chin, mouth, neck, underarms, genitals, hands, or feet, 2.6-7.5 cm. This provider record is associated with NPI 1790756138.
Factual summary compiled by Guide.md from public records; not written by this provider.
Education & Training
Specialty
Credentials & Licensing
Medicare information
Exactly as CMS reports it (National Downloadable File, Opt-Out Affidavits, Order & Referring). Not an insurance directory; confirm coverage with the office.
Contact Information
- (770) 422-5557
- Email not available
Practice Locations
835 COGBURN AVE NW SUITE 100
Marietta, GA 30060
Procedures Most Often Billed to Medicare
6,112 services · 4,426 patients · 25 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Removal and microscopic exam of growth of head, neck, hands, feet, or genitals, 1-5 tissue blocks | Procedure | 17311 |
1,119 | More than most peers in Micrographic Dermatologic… |
| Removal and microscopic exam of growth of head, neck, hands, feet, or genitals, each additional stage, 1-5 tissue blocks | Procedure | 17312 |
1,094 | More than most peers in Micrographic Dermatologic… |
| Complicated repair of wound of forehead, cheeks, chin, mouth, neck, underarms, genitals, hands, or feet, 2.6-7.5 cm | Procedure | 13132 |
530 | More than most peers in Micrographic Dermatologic… |
| Removal and microscopic exam of growth of trunk, arms, or legs, 1-5 tissue blocks | Procedure | 17313 |
374 | More than most peers in Micrographic Dermatologic… |
| Complicated repair of wound of scalp, arms, or legs, 2.6-7.5 cm | Procedure | 13121 |
352 | More than most peers in Micrographic Dermatologic… |
| Biopsy of related skin growth, first growth | Procedure | 11102 |
263 | More often than most peers in Micrographic Dermatologic… |
| Destruction of precancer skin growth, 2-14 growths | Procedure | 17003 |
215 | Less often than most peers in Micrographic Dermatologic… |
| Removal and microscopic exam of growth of trunk, arms, or legs, each additional stage, 1-5 tissue blocks | Procedure | 17314 |
207 | More than most peers in Micrographic Dermatologic… |
| Complicated repair of wound of eyelids, nose, ears, or lip, 2.6-7.5 cm | Procedure | 13152 |
160 | More than most peers in Micrographic Dermatologic… |
| Removal and microscopic exam of growth, each additional block after 5 tissue blocks | Procedure | 17315 |
150 | More often than most peers in Micrographic Dermatologic… |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Related providers
Connections drawn from the registry and from what providers have told us. A link here is not a referral or an endorsement.
Other micrographic dermatologic surgery specialists at this location 1
Same specialty, same street address — most likely the same department or group.
Also at this address 4
Providers at the same street address. Each files their own registry entry, so a shared practice often appears under several different names.
Trained at Other 8
Other providers in the same specialty who trained at the same institution.
More connections — 15 related providers in 2 groups
Class of 1996 at Other 8
Providers who graduated from the same medical school in the same year.
Also performs Removal and microscopic exam of growth of head, neck, hands, feet, or genitals, 1-5 tissue blocks 7
Providers in GA who bill this service to Medicare most often.
Common questions
What kind of doctor is Dr. Chastain?
Dr. Chastain is a micrographic dermatologic surgery (mds) in Marietta, GA. That is the designation recorded for this NPI in the federal registry.
NPI registry
What is Dr. Chastain's address?
Dr. Chastain is listed at 835 Cogburn Ave Nw Suite 100, Marietta, GA 30060. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How can I make an appointment with Dr. Chastain?
The number on file is (770) 422-5557. Contact the office directly to confirm availability and scheduling.
NPI registry
What is Dr. Chastain's NPI number?
Dr. Chastain's National Provider Identifier is 1790756138. It is issued by the Centers for Medicare & Medicaid Services and is unique and permanent — it does not change if they move practice.
NPI registry
Where did Dr. Chastain train?
Dr. Chastain attended Other, graduating in 1996. This comes from the CMS National Downloadable File.
CMS public data
How long has Dr. Chastain been practicing?
Dr. Chastain has 30 years experience. Calculated from a graduation year of 1996, reported in the CMS National Downloadable File.
CMS public data
What procedures does Dr. Chastain perform?
According to Medicare billing data, Dr. Chastain performs procedures including removal and microscopic exam of growth of head, neck, hands, feet, or genitals, 1-5 tissue blocks, removal and microscopic exam of growth of head, neck, hands, feet, or genitals, each additional stage, 1-5 tissue blocks and complicated repair of wound of forehead, cheeks, chin, mouth, neck, underarms, genitals, hands, or feet, 2.6-7.5 cm; provides treatments such as application of light to destroy precancer skin growth, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Has Dr. Chastain confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Chastain. If this is you, claiming it is free.
Guide.md
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