What is Mark Chastain's specialty?

Mark Chastain (NPI 1790756138) is a Medicare-billing provider whose primary specialty is Micrographic Dermatologic Surgery in Marietta, GA.

Where does Mark Chastain practice?

Mark Chastain practices in Marietta, GA, based on the location reported in the CMS Medicare provider datasets for NPI 1790756138.

How much does Medicare pay Mark Chastain?

Mark Chastain (NPI 1790756138) received approximately $1.6M in total Medicare Part B payments, serving 1,350 beneficiaries, per the CMS Medicare Physician & Other Practitioners dataset.

PROVIDER PROFILE · NPI 1790756138

Mark ChastainMD

PRACTICEAQUA DERMATOLOGY OF GEORGIA PCSee all providers at this practice →

Micrographic Dermatologic SurgeryMarietta, GAI

MEDICARE UTILIZATION · PART B · 2024

Total beneficiaries

4,713

Unique beneficiaries

—

Total services

6,412

Distinct HCPCS

Medicare payment

$1.5M

Peer benchmark

Total Medicare services vs. 8 Micrographic Dermatologic Surgery providers in GA — above median (cohort median 5,581).

PRESCRIBING · PART D · 2024

Total Rx claims

3,120

Beneficiaries

—

Total drug cost

$15K

Distinct drugs

Brand share

6.9%

Top prescribed drugs

Cephalexin1,484 claims

Tramadol Hcl947 claims

Doxycycline Hyclate247 claims

Hydrocodone/Acetaminophen122 claims

Mupirocin77 claims

QUALITY · MIPS · 2024

Final MIPS score

100.0

Quality

14.3

Cost

68.6

Improvement activities

40.0

Promoting interop.

100.0

Payment adjustment

1.05%

Group

INDUSTRY PAYMENTS · OPEN PAYMENTS · 2024

Total received

$1K

Payment records

By payment type

Food and Beverage$698

Compensation for services other than consulting, including serving as faculty or as a speaker at a venue other than a continuing education program$653

Top paying entities

Food and Beverage$698

Compensation for services other than consulting, including serving as faculty or as a speaker at a venue other than a continuing education program$653

REFERRAL NETWORK

Where Mark Chastain's patients come from & go

Directional shared-patient flow from Medicare claims — who sends patients to this provider (inbound) and where this provider's patients go next (outbound). 16 inbound referrers · 0 outbound destinations.

Receives referrals from

Inbound — who sends patients here

Physician	Patients	Visits
Lynn Cooper Pathology · Marietta, GA	234	527
NPI 1235559378	222	413
Alice Franklin Physician Assistant · Marietta, GA	133	296
Finan Dermatopathology Laboratory, P.C. Clinical Laboratory · Atlanta, GA	111	180
Carolyn Sims Physician Assistant · Marietta, GA	91	108
Jennifer Buckley Dermatology · Marietta, GA	90	163
Laboratory Corporation Of America Holdings Clinical Laboratory · Birmingham, AL	60	139
Richard Arasi Dermatology · Woodstock, GA	59	84
WETHERINGTON, ROBERT	30	50
COBB HOSPITAL, INC	27	77
Virginia Forney Dermatology · Atlanta, GA	25	45
NORTHSIDE HOSPITAL, INC.	21	42

Refers patients to

Outbound — where patients go next

No outbound pairs above the suppression threshold.

Source: CMS Physician Shared Patient Patterns (30-day window, Medicare FFS). Direction = a beneficiary seen by the first provider, then the second, within 30 days; a proxy for referral, not a documented referral. Pairs with fewer than 11 shared beneficiaries are suppressed.

CROSS-REFERENCE

Related data on other Healthparse brands

ProviderScore

OIG/SAM exclusion screening, sanctions history

Healthparse Signals

Monitor this provider for changes — dated NPI change events