Doctor profile · Federal record

Dr. Saiyun Hou, M.D., PH.D

Pain Medicine (Physical Medicine & Rehabilitation) Physician (CMS: Pain Management) · Student in an Organized Health Care Education/Training Program · San Diego, CA

  • NPI 1326464660
  • Accepts Medicare
  • 31 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
5395 Ruffin RD Ste 204
San Diego, CA 921231338
(858) 571-3630
fax (858) 430-3146

Credentials & registration

NPPES · NUCC
NPI registered
March 2014 — 12 yrs on file
Profile last updated
May 15, 2019
Year of graduation
1995 — 31 yrs since
Specialty taxonomy
2081P2900X — NUCC code
State license (1)
California #A140529

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1326464660. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
1,397
Distinct HCPCS
10
Medicare allowed
$166,613
HCPCS Description Services Patients Avg allowed
99214 Established patient office or other outpatient visit, 30-39 minutes 1,004 122 $137
80305 Testing for presence of drug, read by direct observation 206 99 $12
20611 Aspiration and/or injection of fluid large joint using ultrasound guidance 44 24 $117
20610 Aspiration and/or injection of fluid from large joint 23 17 $76
27096 Injection of anesthetic or steroid into joint between lower spine and hip bone using imaging guidance 23 21 $260
64490 Injection of upper or middle spine facet joint using imaging guidance, single level 23 12 $212
64491 Injection of upper or middle spine facet joint using imaging guidance, second level 22 12 $105
64493 Injection of lower or sacral spine facet joint using imaging guidance, single level 18 13 $207
20553 Injection of trigger points, 3 or more muscles 17 11 $64
64494 Injection of lower or sacral spine facet joint using imaging guidance, second level 17 13 $105

In context: peer comparison

Among 6 peers in San Diego Pain Medicine (Physical Medicine & Rehabilitation) Physician, average services per provider: 103. This provider delivers 14× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$578
Transactions
26
Manufacturers
9
Payer (manufacturer) Industry Txns Amount
Collegium Pharmaceutical, INC. 11 $173.96
Phathom Pharmaceuticals, INC. 1 $125.00
Boston Scientific Corporation 2 $76.24
Salix Pharmaceuticals, A Division of Bausch Health US, LLC 3 $45.84
Curonix LLC 2 $37.13
Pfizer INC. 2 $34.50
Nalu Medical, INC. 2 $34.06
Nevro Corp. 2 $30.09
Zimmer Biomet Holdings, INC. 1 $21.21

By nature of payment

Food and Beverage
$578

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
2,413
Patients
321
Total drug cost
$157,772
Drug Type Claims Patients Total cost
Hydrocodone-Acetaminophen (Hydrocodone/Acetaminophen) Brand 596 68 $16,958
Gabapentin Generic 297 45 $5,811
Oxycodone Hcl Generic 270 41 $5,620
Oxycodone-Acetaminophen (Oxycodone Hcl/Acetaminophen) Brand 216 29 $5,737
Tramadol Hcl Generic 143 23 $1,051
Belbuca (Buprenorphine Hcl) Brand 142 19 $82,943
Pregabalin Generic 134 20 $5,399
Buprenorphine Hcl Generic 105 12 $7,106
Cyclobenzaprine Hcl Generic 105 25 $1,567
Tizanidine Hcl Generic 83 11 $1,659

Frequently asked questions

Auto-generated from federal data
What is Dr. Saiyun Hou's medical specialty?
Dr. Saiyun Hou practices Pain Medicine (Physical Medicine & Rehabilitation) Physician in San Diego, CA.
Where does Dr. Saiyun Hou practice?
Dr. Saiyun Hou practices at 5395 Ruffin RD Ste 204, San Diego, CA 921231338. Office phone: 8585713630.
What is Dr. Saiyun Hou's NPI?
Dr. Saiyun Hou's National Provider Identifier (NPI) is 1326464660, issued by NPPES.
Does Dr. Saiyun Hou accept Medicare assignment?
Yes. Dr. Saiyun Hou accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Saiyun Hou commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); Testing for presence of drug, read by direct observation (HCPCS 80305); Aspiration and/or injection of fluid large joint using ultrasound guidance (HCPCS 20611). Source: CMS Medicare Physician & Other Practitioners file.