Doctor profile · Federal record

Dr. Michael Hartman, M.D.

Neurological Surgery Physician (CMS: Neurosurgery) · Johns Creek, GA

  • NPI 1659377620
  • Accepts Medicare
  • 42 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

Operates at 2 locations .

NPPES Updated May 11, 2026
Primary practice
9635 Ventana Way Ste 201
Johns Creek, GA 300228622
(404) 446-4424
fax (404) 446-4420
Additional location
203 Oakside Ln Ste A
Canton, GA 301146407
Mailing address
11877 Douglas RD Ste 102-272
Alpharetta, GA 300054325

Credentials & registration

NPPES · NUCC
NPI registered
June 2005 — 21 yrs on file
Profile last updated
December 19, 2019
Year of graduation
1984 — 42 yrs since
Specialty taxonomy
207T00000X — NUCC code
State license (1)
Georgia #033350
Medicaid
GA #000436015A

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1659377620. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
116
Distinct HCPCS
5
Medicare allowed
$13,262
HCPCS Description Services Patients Avg allowed
99213 Established patient office or other outpatient visit, 20-29 minutes 35 27 $83
99422 Online digital evaluation and management service for an established patient for up to 7 days, total time 11-20 minutes 24 20 $27
99214 Established patient office or other outpatient visit, 30-39 minutes 23 20 $118
62323 Injection of substance into lower spine canal using imaging guidance 20 12 $240
99204 New patient office or other outpatient visit, 45-59 minutes 14 14 $156

In context: peer comparison

Among 2 peers in Johns Creek Neurological Surgery Physician, average services per provider: 32. This provider delivers 3.6× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
25
Patients
0
Total drug cost
$614
Drug Type Claims Patients Total cost
Pregabalin Generic 14 0 $430
Gabapentin Generic 11 0 $184

Frequently asked questions

Auto-generated from federal data
What is Dr. Michael Hartman's medical specialty?
Dr. Michael Hartman practices Neurological Surgery Physician in Johns Creek, GA.
Where does Dr. Michael Hartman practice?
Dr. Michael Hartman practices at 9635 Ventana Way Ste 201, Johns Creek, GA 300228622. Office phone: 4044464424.
What is Dr. Michael Hartman's NPI?
Dr. Michael Hartman's National Provider Identifier (NPI) is 1659377620, issued by NPPES.
Does Dr. Michael Hartman accept Medicare assignment?
Yes. Dr. Michael Hartman accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Michael Hartman commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99213); Online digital evaluation and management service for an established patient for up to 7 days, total time 11-20 minutes (HCPCS 99422); Established patient office or other outpatient visit (HCPCS 99214). Source: CMS Medicare Physician & Other Practitioners file.