Doctor profile · Federal record

Dr. John Parker, M.D.

Neurology Physician (CMS: Neurology) · Neurology Physician · Neurology Physician · Neurology Physician · Neurology Physician · Neurology Physician · Neurology Physician · Neurology Physician · Neurology Physician · Whittier, CA

  • NPI 1386088698
  • 13 yrs in practice
  • Licensed in 9 states
  • Male
  • Group practice
  • No sanctions

Practice & contact

Operates at 6 locations .

NPPES Updated May 11, 2026
Primary practice
10820 Beverly Blvd Ste A5282
Whittier, CA 906012576
(704) 340-7104
Additional location
1540 Alcazar St Ste 209-G
Los Angeles, CA 900890080
(323) 422-0117
Additional location
5553 Mavis Ave
Whittier, CA 906012124
(615) 346-8182
fax (615) 829-8970
Show 3 more locations
Additional location
99 South Almaden Blvd Ste 600
San Jose, CA 951131605
(615) 346-8182
fax (615) 829-8970
Additional location
336 22Nd Ave N
Nashville, TN 372031844
(615) 346-8182
fax (615) 829-8970
Additional location
45211 Helm St
Plymouth, MI 481706023
(480) 775-1921
fax (480) 777-1345

Credentials & registration

NPPES · NUCC
NPI registered
April 2013 — 13 yrs on file
Profile last updated
November 3, 2025
Year of graduation
2013 — 13 yrs since
Specialty taxonomy
2084N0400X — NUCC code
State licenses (9)
California #A133050 · New York #299383-1 · Colorado #DR.0062481 · Michigan #4301500468 · Texas #S7309 · New Mexico #MD2020-0551 · New Jersey #25MA10622200 · Georgia #83355 · South Carolina #MD82910

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1386088698. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
5,889
Distinct HCPCS
10
Medicare allowed
$305,091
HCPCS Description Services Patients Avg allowed
G0453 Continuous intraoperative neurophysiology monitoring, from outside the operating room (remote or nearby), per patient, (attention directed exclusively to one patient) each 15 minutes (list in addition to primary procedure) 2,384 833 $35
95938 Placement of skin electrodes and measurement of stimulated sites on arms and legs 789 783 $49
95937 Testing of nerve-muscle junction 694 688 $37
95955 Measurement of brain wave activity (eeg) outside the brain during surgery 647 643 $58
95939 Placement of skin electrodes and measurement of central motor stimulation in arms and legs 444 440 $128
95861 Needle measurement of electrical activity in arm or leg muscles, 2 extremities 416 414 $88
95870 Needle measurement of electrical activity in arm, leg, trunk or head muscles, limited study 177 128 $21
95860 Needle measurement of electrical activity in arm or leg muscles, 1 extremity 154 154 $55
51785 Needle measurement and recording of electrical activity of muscles at bladder and bowel openings 73 72 $92
95865 Needle measurement of electrical activity in voice box muscles 48 48 $90

In context: peer comparison

Among 6 peers in Whittier Neurology Physician, average services per provider: 167. This provider delivers 35× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$42
Transactions
2
Manufacturers
1
Payer (manufacturer) Industry Txns Amount
Stryker Corporation 2 $41.97

By nature of payment

Food and Beverage
$42

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. John Parker's medical specialty?
Dr. John Parker practices Neurology Physician in Whittier, CA.
Where does Dr. John Parker practice?
Dr. John Parker practices at 10820 Beverly Blvd Ste A5282, Whittier, CA 906012576. Office phone: 7043407104.
What is Dr. John Parker's NPI?
Dr. John Parker's National Provider Identifier (NPI) is 1386088698, issued by NPPES.
Does Dr. John Parker accept Medicare assignment?
Dr. John Parker does not accept Medicare assignment for all services. Patients may be billed amounts beyond Medicare-allowed charges.
What procedures does Dr. John Parker commonly perform?
Top Medicare-reported procedures in 2023: Continuous intraoperative neurophysiology monitoring, from outside the operating room (remote or nearby), per patient, (attention directed exclusively to one patient) each 15 minutes (list in addition to primary procedure) (HCPCS G0453); Placement of skin electrodes and measurement of stimulated sites on arms and legs (HCPCS 95938); Testing of nerve-muscle junction (HCPCS 95937). Source: CMS Medicare Physician & Other Practitioners file.