Doctor profile · Federal record

Dr. ER-Kai Gao, M.D.

Neurological Surgery Physician (CMS: Neurology) · Neurology Physician · La Mesa, CA

  • NPI 1710064944
  • Accepts Medicare
  • MIPS 5.9 / 100 · 2023
  • 43 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
8851 Center Dr Ste 603
La Mesa, CA 919423063
(619) 667-4545
fax (619) 667-4550

Credentials & registration

NPPES · NUCC
NPI registered
November 2006 — 20 yrs on file
Profile last updated
September 8, 2021
Year of graduation
1983 — 43 yrs since
Specialty taxonomy
207T00000X — NUCC code
State license (1)
California #A71659
Medicaid
CA #00A716590

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1710064944. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
4,436
Distinct HCPCS
10
Medicare allowed
$645,905
HCPCS Description Services Patients Avg allowed
99309 Subsequent nursing facility care with moderate level of medical decision making, per day, if using time, at least 30 minutes 1,744 366 $112
99214 Established patient office or other outpatient visit, 30-39 minutes 952 317 $135
99215 Established patient office or other outpatient visit, 40-54 minutes 440 217 $189
99306 Initial nursing facility care with high level of medical decision making, per day, if using time, at least 45 minutes 300 300 $190
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 188 23 $123
99205 New patient office or other outpatient visit, 60-74 minutes 121 121 $229
95886 Needle measurement of electrical activity in arm or leg muscles, complete study 103 56 $109
99443 Telephone medical discussion with physician, 21-30 minutes 90 26 $101
95912 Nerve conduction, 11-12 studies 77 75 $272
95813 Measurement of brain wave activity (eeg), 61-119 minutes 70 57 $493

In context: peer comparison

Among 3 peers in this city , average services per provider: 202. This provider delivers 22× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$6,632
Transactions
160
Manufacturers
15
Payer (manufacturer) Industry Txns Amount
UCB, Inc. 34 $1,357.08
ABBVIE INC. 27 $448.67
MDD US Operations, LLC 6 $378.84
Alexion Pharmaceuticals, Inc. 8 $342.77
EDW Pharma, Inc. 1 $331.13
Lilly USA, LLC 12 $303.01
Teva Pharmaceuticals USA, Inc. 12 $265.05
Lundbeck LLC 6 $242.13
Neurelis, Inc. 12 $238.97
Takeda Pharmaceuticals U.S.A., Inc. 6 $228.91
Eisai Inc. 7 $220.35
Neurocrine Biosciences, Inc. 5 $217.99
Alnylam Pharmaceuticals Inc. 8 $206.17
Amneal Pharmaceuticals LLC 5 $189.90
SK Life Science, Inc. 11 $186.69

By nature of payment

Food and Beverage
$6,433
Education
$194
Travel and Lodging
$5

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
549
Patients
88
Total drug cost
$401,310
Drug Type Claims Patients Total cost
Gabapentin Generic 90 31 $1,360
Donepezil Hcl Generic 58 17 $729
Levetiracetam Generic 46 14 $2,088
Levetiracetam Er (Levetiracetam) Brand 43 11 $3,973
Carbidopa-Levodopa (Carbidopa/Levodopa) Brand 37 15 $1,625
Memantine Hcl Generic 36 0 $928
Panzyga (Immun Glob G(Igg)-Ifas/Glycine) Brand 34 0 $361,073
Topiramate Generic 30 0 $400
Quetiapine Fumarate Generic 28 0 $623
Aspirin-Dipyridamole Er (Aspirin/Dipyridamole) Brand 27 0 $5,490

Frequently asked questions

Auto-generated from federal data
What is Dr. ER-Kai Gao's medical specialty?
Dr. ER-Kai Gao practices Neurological Surgery Physician in La Mesa, CA.
Where does Dr. ER-Kai Gao practice?
Dr. ER-Kai Gao practices at 8851 Center Dr Ste 603, La Mesa, CA 919423063. Office phone: 6196674545.
What is Dr. ER-Kai Gao's NPI?
Dr. ER-Kai Gao's National Provider Identifier (NPI) is 1710064944, issued by NPPES.
Does Dr. ER-Kai Gao accept Medicare assignment?
Yes. Dr. ER-Kai Gao accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. ER-Kai Gao commonly perform?
Top Medicare-reported procedures in 2023: Subsequent nursing facility care with moderate level of medical decision making (HCPCS 99309); Established patient office or other outpatient visit (HCPCS 99214); Established patient office or other outpatient visit (HCPCS 99215). Source: CMS Medicare Physician & Other Practitioners file.