Doctor profile · Federal record

Dr. Robert Underwood, M.D.

Surgery Physician · Marietta, GA

  • NPI 1063570521
  • 20 yrs on file
  • Male
  • Solo practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
598 Nancy St Nw Ste 250
Marietta, GA 300601377
(770) 428-3713
fax (770) 426-0730

Credentials & registration

NPPES · NUCC
NPI registered
December 2006 — 20 yrs on file
Profile last updated
November 1, 2018
Specialty taxonomy
208600000X — NUCC code
State license (1)
Georgia #049950
Medicaid
GA #00914999A

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1063570521. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
83
Distinct HCPCS
4
Medicare allowed
$10,992
HCPCS Description Services Patients Avg allowed
76536 Ultrasound scan of head and neck soft tissue 38 37 $112
76998 Ultrasonic guidance during surgery 16 16 $60
99205 New patient office or other outpatient visit, 60-74 minutes 16 16 $217
99215 Established patient office or other outpatient visit, 40-54 minutes 13 11 $177

In context: peer comparison

Among 5 peers in Marietta Surgery Physician, average services per provider: 61. This provider delivers 1.4× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
74
Patients
72
Total drug cost
$497
Drug Type Claims Patients Total cost
Promethazine Hcl Generic 21 21 $46
Levothyroxine Sodium Generic 15 15 $334
Tramadol Hcl Generic 14 13 $38
Cyclobenzaprine Hcl Generic 12 11 $59
Oxycodone Hcl Generic 12 12 $21

Frequently asked questions

Auto-generated from federal data
What is Dr. Robert Underwood's medical specialty?
Dr. Robert Underwood practices Surgery Physician in Marietta, GA.
Where does Dr. Robert Underwood practice?
Dr. Robert Underwood practices at 598 Nancy St Nw Ste 250, Marietta, GA 300601377. Office phone: 7704283713.
What is Dr. Robert Underwood's NPI?
Dr. Robert Underwood's National Provider Identifier (NPI) is 1063570521, issued by NPPES.
What procedures does Dr. Robert Underwood commonly perform?
Top Medicare-reported procedures in 2023: Ultrasound scan of head and neck soft tissue (HCPCS 76536); Ultrasonic guidance during surgery (HCPCS 76998); New patient office or other outpatient visit (HCPCS 99205). Source: CMS Medicare Physician & Other Practitioners file.