Doctor profile · Federal record

Dr. Gordon Mao, MD

Neurological Surgery Physician (CMS: Neurosurgery) · Neurological Surgery Physician · Neurological Surgery Physician · Indianapolis, IN

  • NPI 1063854651
  • Accepts Medicare
  • 13 yrs in practice
  • Licensed in 2 states
  • Male
  • Group practice
  • No sanctions

Practice & contact

Operates at 2 locations .

NPPES Updated May 11, 2026
Primary practice
355 W. 16Th Street, Goodman Hall Suite 5100
Indianapolis, IN 46202
(317) 963-1300
Additional location
212 Tanglewood Dr
Richmond, CA 948065814
(510) 280-4045
Mailing address
250 N Shadeland Ave
Indianapolis, IN 462194959

Credentials & registration

NPPES · NUCC
NPI registered
July 2013 — 13 yrs on file
Profile last updated
February 17, 2022
Year of graduation
2013 — 13 yrs since
Specialty taxonomy
207T00000X — NUCC code
State licenses (3)
Indiana #01085850A · Indiana #01085850B · Pennsylvania #MT2050

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1063854651. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
354
Distinct HCPCS
10
Medicare allowed
$60,931
HCPCS Description Services Patients Avg allowed
99204 New patient office or other outpatient visit, 45-59 minutes 83 83 $150
22614 Fusion of additional segment of spine 59 13 $343
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 46 39 $111
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 37 37 $163
99215 Established patient office or other outpatient visit, 40-54 minutes 36 34 $155
99214 Established patient office or other outpatient visit, 30-39 minutes 31 28 $119
99203 New patient office or other outpatient visit, 30-44 minutes 22 22 $97
99443 Telephone medical discussion with physician, 21-30 minutes 15 15 $109
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 13 13 $121
61783 Computer-assisted spinal procedure 12 12 $202

In context: peer comparison

Among 6 peers in Indianapolis Neurological Surgery Physician, average services per provider: 31. This provider delivers 11× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$2,400
Transactions
6
Manufacturers
3
Payer (manufacturer) Industry Txns Amount
Merck Sharp & Dohme LLC 3 $2,258.09
Medtronic, INC. 2 $121.94
Csl Behring 1 $20.00

By nature of payment

Consulting Fee
$2,240
Food and Beverage
$122
Education
$38

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
408
Patients
152
Total drug cost
$7,104
Drug Type Claims Patients Total cost
Gabapentin Generic 192 58 $2,875
Methocarbamol Generic 117 55 $2,311
Methylprednisolone Generic 28 26 $257
Oxycodone Hcl Generic 25 13 $108
Hydrocodone-Acetaminophen (Hydrocodone/Acetaminophen) Brand 16 0 $153
Celecoxib Generic 15 0 $1,256
Cyclobenzaprine Hcl Generic 15 0 $143

Frequently asked questions

Auto-generated from federal data
What is Dr. Gordon Mao's medical specialty?
Dr. Gordon Mao practices Neurological Surgery Physician in Indianapolis, IN.
Where does Dr. Gordon Mao practice?
Dr. Gordon Mao practices at 355 W. 16Th Street, Indianapolis, IN 46202. Office phone: 3179631300.
What is Dr. Gordon Mao's NPI?
Dr. Gordon Mao's National Provider Identifier (NPI) is 1063854651, issued by NPPES.
Does Dr. Gordon Mao accept Medicare assignment?
Yes. Dr. Gordon Mao accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Gordon Mao commonly perform?
Top Medicare-reported procedures in 2023: New patient office or other outpatient visit (HCPCS 99204); Fusion of additional segment of spine (HCPCS 22614); Subsequent hospital care with moderate levelof medical decision making (HCPCS 99233). Source: CMS Medicare Physician & Other Practitioners file.