Physician Profile
Unclaimed ProfileAbout GUIANG
Rainier Mark Enrique Guiang, M.D. is a healthcare provider in Riverside, CA specialising in anesthesiology. Rainier is also listed as specialising in anesthesiology — pain medicine.
Summarised automatically from public NPI registry and CMS Medicare data. Not written or reviewed by this provider. Claim this profile to replace it.
Education & Training
Areas of Expertise
Common questions
What is Dr. Guiang's specialty?
Dr. Guiang is an anesthesiology in Riverside, CA. This is the primary taxonomy recorded against the NPI in the federal registry, listed there as “ANESTHESIOLOGY”.
NPI registry
Where can I find Dr. Guiang?
Dr. Guiang is listed at 6900 BROCKTON AVE SUITE 103, Riverside, CA 92506. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How do I contact Dr. Guiang?
The number on file is (951) 784-7111. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
What is the NPI for Dr. Guiang?
Dr. Guiang's National Provider Identifier is 1548217821. It is issued by the Centers for Medicare & Medicaid Services and is unique and permanent — it does not change if they move practice.
NPI registry
What is Dr. Guiang's medical education?
Dr. Guiang attended Other, graduating in 1999. This comes from the CMS National Downloadable File.
CMS public data
How much experience does Dr. Guiang have?
Dr. Guiang has 27 years experience. Calculated from a graduation year of 1999, reported in the CMS National Downloadable File.
CMS public data
What is Dr. Guiang known for?
According to Medicare billing data, Dr. Guiang performs procedures including injection of substance into lower spine canal using imaging guidance, injection of substance into middle or upper spine canal using imaging guidance and aspiration and/or injection of fluid from large joint; reads or performs imaging such as fluoroscopic guidance for needle placement, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Is Dr. Guiang's profile verified?
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Guiang. If this is you, claiming it is free.
Guide.md
Licensing & Certification
Source: NPPES NPI Registry
Contact Information
- (951) 784-7111
- Email not available
Practice Locations
6900 BROCKTON AVE SUITE 103
Riverside, CA 92506
Procedures Most Often Billed to Medicare
4,608 services · 915 patients · 11 distinct codes
| Procedure | Type | Code | Services |
|---|---|---|---|
| Injection of substance into lower spine canal using imaging guidance | Procedure | 62323 |
196 |
| Injection of substance into middle or upper spine canal using imaging guidance | Procedure | 62321 |
35 |
| Aspiration and/or injection of fluid from large joint | Procedure | 20610 |
28 |
| Aspiration and/or injection of fluid large joint using ultrasound guidance | Procedure | 20611 |
25 |
| Fluoroscopic guidance for needle placement | Imaging | 77002 |
19 |
| Injection, triamcinolone acetonide, not otherwise specified, 10 mg | Drug given | J3301 |
1,305 |
| Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more | Office visit | 99213 |
1,645 |
| Low osmolar contrast material, 100-199 mg/ml iodine concentration, per ml | Billing code | Q9965 |
1,054 |
| Testing for presence of drug, read by direct observation | Lab test | 80305 |
215 |
| New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more | Office visit | 99204 |
46 |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Related providers
Connections drawn from the registry and from what providers have told us. A link here is not a referral or an endorsement.
Also at this address 4
Providers at the same street address. Each files their own registry entry, so a shared practice often appears under several different names.
Other anesthesiology specialists in Riverside 8
Same specialty, same city.
Trained at Other 8
Other providers in the same specialty who trained at the same institution.
More connections — 15 related providers in 2 groups
Class of 1999 at Other 7
Providers who graduated from the same medical school in the same year.
Also performs Injection of substance into lower spine canal using imaging guidance 8
Providers in CA who bill this service to Medicare most often.
Provider data sourced from the NPPES NPI Registry and CMS public datasets. Information is provided for reference and is not medical advice.