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Edit this profileWhere to find Stephen C. Wong, M.D.
- Hacienda Heights location main office
1850 S Azusa Ave, Suite 206, Hacienda Heights, CA 91745 - San Gabriel location
207 S Santa Anita St Ste 335, San Gabriel, CA 91776 - Alhambra location
330 S Garfield Ave Ste 116, Alhambra, CA 91801
About Dr. Wong
Stephen C. Wong, M.D. is a healthcare provider in Hacienda Heights, CA specializing in allergy. Stephen trained at University of California, San Francisco School of Medicine, graduating in 1982. According to Medicare claims data, Stephen cared for 476 Medicare patients across 5,446 services. The services billed most often include test for allergy using allergenic extract, professional service for preparation and provision of 1 or more antigens, and test for allergy using skin patch. This provider record is associated with NPI 1104977008.
Factual summary compiled by Guide.md from public records; not written by this provider.
Education & Training
Specialty
Credentials & Licensing
Medicare information
Exactly as CMS reports it (National Downloadable File, Opt-Out Affidavits, Order & Referring). Not an insurance directory; confirm coverage with the office.
Contact Information
- (626) 810-5450
- Email not available
Practice Locations
1850 S AZUSA AVE SUITE 206
Hacienda Heights, CA 91745
207 S Santa Anita St Ste 335
San Gabriel, CA 91776
330 S Garfield Ave Ste 116
Alhambra, CA 91801
Procedures Most Often Billed to Medicare
5,446 services · 476 patients · 10 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Test for allergy using allergenic extract | Treatment | 95004 |
1,838 | As often as other peers in Allergy |
| Professional service for preparation and provision of 1 or more antigens | Treatment | 95165 |
1,195 | As often as other peers in Allergy |
| Test for allergy using skin patch | Treatment | 95044 |
1,152 | More often than most peers in Allergy |
| Professional service for multiple injections of allergen | Treatment | 95117 |
546 | More often than most peers in Allergy |
| Test for allergy using allergenic extract injected into skin | Treatment | 95024 |
207 | Less often than most peers in Allergy |
| Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more | Office visit | 99213 |
142 | More often than most peers in Allergy |
| Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more | Office visit | 99214 |
141 | More often than most peers in Allergy |
| Office or other outpatient visit for the evaluation and management of established patient that may not require presence of healthcare professional | Office visit | 99211 |
140 | Too few peers to compare |
| New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more | Office visit | 99204 |
72 | More often than most peers in Allergy |
| New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more | Office visit | 99203 |
13 | Less often than most peers in Allergy |
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.
Trained at University of California, San Francisco School of Medicine 2
Other providers in the same specialty who trained at the same institution.
Class of 1982 at University of California, San Francisco School of Medicine 8
Providers who graduated from the same medical school in the same year.
More connections — 8 related providers in 1 group
Also performs Test for allergy using allergenic extract 8
Providers in CA who bill this service to Medicare most often.
Common questions
What does Stephen C. Wong specialize in?
Stephen C. Wong is an allergy in Hacienda Heights, CA. That is the designation recorded for this NPI in the federal registry.
NPI registry
Where is Stephen C. Wong located?
Stephen C. Wong is listed at 1850 S Azusa Ave Suite 206, Hacienda Heights, CA 91745. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
What is Stephen C. Wong's phone number?
The number on file is (626) 810-5450. Contact the office directly to confirm availability and scheduling.
NPI registry
What is Stephen C. Wong's NPI number?
Stephen C. Wong's National Provider Identifier is 1104977008. 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
Where did Stephen C. Wong train?
Stephen C. Wong attended University of California, San Francisco School of Medicine, graduating in 1982. This comes from the CMS National Downloadable File.
CMS public data
How long has Stephen C. Wong been practicing?
Stephen C. Wong has 44 years experience. Calculated from a graduation year of 1982, reported in the CMS National Downloadable File.
CMS public data
What does Stephen C. Wong do most often?
According to Medicare billing data, Stephen C. Wong provides treatments such as test for allergy using allergenic extract and professional service for preparation and provision of 1 or more antigens, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Has Stephen C. Wong confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by Stephen C. Wong. If this is you, claiming it is free.
Guide.md
Guide.md listings do not constitute medical advice or an endorsement.