Physician Profile
Unclaimed ProfileAbout YAO
Based in Monterey Park, CA, Wan Yao, M.D. is listed in the NPI registry under internal medicine. Medicare claims data shows Wan provided 771 services to 490 patients.
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
Licensing & Certification
Source: NPPES NPI Registry
Contact Information
- (626) 288-3219
- Email not available
Practice Locations
228 N GARFIELD AVE STE 302
Monterey Park, CA 91754
Procedures Most Often Billed to Medicare
771 services · 490 patients · 8 distinct codes
| Procedure | Type | Code | Services |
|---|---|---|---|
| Influenza vaccine, trivalent derived from cell cultures | Treatment | 90661 |
66 |
| Injection of drug or substance under skin or into muscle | Treatment | 96372 |
17 |
| Influenza vaccine, inactivated | Treatment | 90653 |
14 |
| Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more | Office visit | 99213 |
371 |
| Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit | Billing code | G0439 |
94 |
| Administration of influenza virus vaccine | Billing code | G0008 |
80 |
| Visit complexity inherent to evaluation and management associated with medical care services that serve as the continuing focal point for all needed health care services and/or with medical care services that are part of ongoing care related to a patient' | Billing code | G2211 |
67 |
| Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more | Office visit | 99214 |
62 |
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.
Other internal medicines at this location 1
Same specialty, same street address — most likely the same department or group.
Related specialists at this location 2
Clinically related specialties at the same address — the people this provider most likely works alongside.
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.
More connections — 32 related providers in 4 groups
Other internal medicines in Monterey Park 8
Same specialty, same city.
Trained at Other 8
Other providers in the same specialty who trained at the same institution.
Class of 1996 at Other 8
Providers who graduated from the same medical school in the same year.
Also performs Influenza vaccine, trivalent derived from cell cultures 8
Providers in CA who bill this service to Medicare most often.
Common questions
What does Dr. Yao specialize in?
Dr. Yao is an internal medicine in Monterey Park, CA. This is the primary taxonomy recorded against the NPI in the federal registry, listed there as “INTERNAL MEDICINE”.
NPI registry
Where is Dr. Yao located?
Dr. Yao is listed at 228 N GARFIELD AVE STE 302, Monterey Park, CA 91754. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
What is Dr. Yao's phone number?
The number on file is (626) 288-3219. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
What is the NPI for Dr. Yao?
Dr. Yao's National Provider Identifier is 1518951649. 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 Dr. Yao go to medical school?
Dr. Yao attended Other, graduating in 1996. This comes from the CMS National Downloadable File.
CMS public data
How much experience does Dr. Yao have?
Dr. Yao has 30 years experience. Calculated from a graduation year of 1996, reported in the CMS National Downloadable File.
CMS public data
What does Dr. Yao do most often?
According to Medicare billing data, Dr. Yao provides treatments such as influenza vaccine, trivalent derived from cell cultures and injection of drug or substance under skin or into muscle, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Is Dr. Yao's profile verified?
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Yao. If this is you, claiming it is free.
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Claim this profileProvider data sourced from the NPPES NPI Registry and CMS public datasets. Information is provided for reference and is not medical advice.