Saiyun Hou, M.D., PH.D
NPI 1326464660 · Pain Medicine (Physical Medicine & Rehabilitation) Physician · San Diego, CA
Enrolled with Medicare as Practitioner - Pain Management · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Saiyun Hou, M.D., PH.D is a Pain Medicine (Physical Medicine & Rehabilitation) Physician provider in San Diego, CA (NPI 1326464660).
Provider details
- NPI number
- 1326464660
- Entity type
- Individual
- Primary specialty
- Pain Medicine (Physical Medicine & Rehabilitation) PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D., PH.D
- Sex
- Male
- Sole proprietor
- No
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Student, Health Care
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
12 yrs in NPPES registry
- Profile completeness25% of score
83% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
1,216 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our .
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 965 | $137 |
| Testing for Presence of Drug, Read By Direct Observation80305 | 76 | $12 |
| Aspiration And/Or Injection of Fluid Large Joint Using Ultrasound Guidance20611 | 66 | $123 |
| Injection of Upper Or Middle Spine Facet Joint Using Imaging Guidance, Second Level64491 | 28 | $113 |
| Injection of Upper Or Middle Spine Facet Joint Using Imaging Guidance, Single Level64490 | 26 | $225 |
| Injection of Anesthetic Or Steroid Into Joint Between Lower Spine and Hip Bone Using Imaging Guidance27096 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 37 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Hydrocodone/Acetaminophenbrand: Hydrocodone-Acetaminophen | 601 | 69 |
| Oxycodone Hcl | 232 | 31 |
| Gabapentin | 215 | 37 |
| Oxycodone Hcl/Acetaminophenbrand: Oxycodone-Acetaminophen | 214 | 22 |
| Tramadol Hcl | 139 | 20 |
| Pregabalin | 136 | 29 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$578 across 26 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Registry dates
- Enumerated
- 2014-03-11
- Last updated
- 2019-05-15
Frequently asked questions
- What is Saiyun Hou's NPI number?
- Saiyun Hou's National Provider Identifier (NPI) is 1326464660, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Saiyun Hou's specialty?
- Saiyun Hou is listed in the NPPES registry with a primary specialty of Pain Medicine (Physical Medicine & Rehabilitation) Physician (Allopathic & Osteopathic Physicians).
- Where is Saiyun Hou located?
- Saiyun Hou's practice location on file with NPPES is 5395 Ruffin Rd Ste 204, San Diego, CA 92123-1338.
- What is Saiyun Hou's phone number?
- The practice phone number listed in the NPPES registry for Saiyun Hou is (858) 571-3630.
- Does Saiyun Hou accept Medicare?
- Saiyun Hou is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Saiyun Hou's NPI active?
- Yes — Saiyun Hou's NPI (1326464660) is active in the NPPES registry as of the last update on 2019-05-15.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.