Doctor profile · Federal record

Dr. Patrick Hsieh, MD

Neurological Surgery Physician (CMS: Neurosurgery) · Los Angeles, CA

  • NPI 1942405956
  • Accepts Medicare
  • 25 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

Operates at 2 locations .

NPPES Updated May 11, 2026
Primary practice
1520 San Pablo St, Suite 3800
Los Angeles, CA 900335310
(323) 442-5720
fax (323) 442-7543
Additional location
105 E Sydnor Ave Ste 100
Ridgecrest, CA 935555546
(760) 463-8930
fax (760) 463-8931
Mailing address
Po Box 31309
Los Angeles, CA 900310309

Credentials & registration

NPPES · NUCC
NPI registered
June 2007 — 19 yrs on file
Profile last updated
May 17, 2021
Year of graduation
2001 — 25 yrs since
Specialty taxonomy
207T00000X — NUCC code
State license (1)
California #A104473

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1942405956. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
611
Distinct HCPCS
8
Medicare allowed
$101,462
HCPCS Description Services Patients Avg allowed
99213 Established patient office or other outpatient visit, 20-29 minutes 202 148 $70
99203 New patient office or other outpatient visit, 30-44 minutes 99 99 $88
22614 Fusion of additional segment of spine 91 22 $403
99203 New patient office or other outpatient visit, 30-44 minutes 86 86 $88
99213 Established patient office or other outpatient visit, 20-29 minutes 86 68 $70
22853 Insertion of cage or mesh device to spine bone and disc space during spine fusion 18 12 $266
22842 Placement of stabilizing device to back, 3-6 spine bone segments 15 15 $787
63047 Partial removal of spine bone with release of lower spinal cord and/or nerves, 1 segment 14 14 $845

In context: peer comparison

Among 23 peers in this city , average services per provider: 40. This provider delivers 15× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$56,410
Transactions
12
Manufacturers
3
Payer (manufacturer) Industry Txns Amount
Medtronic, Inc. 4 $46,007.00
Highridge Medical LLC 3 $6,340.80
Globus Medical, Inc. 5 $4,062.63

By nature of payment

Royalty or License
$56,307
Food and Beverage
$103

Frequently asked questions

Auto-generated from federal data
What is Dr. Patrick Hsieh's medical specialty?
Dr. Patrick Hsieh practices Neurological Surgery Physician in Los Angeles, CA.
Where does Dr. Patrick Hsieh practice?
Dr. Patrick Hsieh practices at 1520 San Pablo St, Los Angeles, CA 900335310. Office phone: 3234425720.
What is Dr. Patrick Hsieh's NPI?
Dr. Patrick Hsieh's National Provider Identifier (NPI) is 1942405956, issued by NPPES.
Does Dr. Patrick Hsieh accept Medicare assignment?
Yes. Dr. Patrick Hsieh accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Patrick Hsieh commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99213); New patient office or other outpatient visit (HCPCS 99203); Fusion of additional segment of spine (HCPCS 22614). Source: CMS Medicare Physician & Other Practitioners file.