Physician Profile
Unclaimed ProfileAbout CHAO
Cooper Ching Chao, MD practices anesthesiology in Walnut Creek, CA. According to Medicare claims data, Cooper cared for 100 Medicare patients across 100 services.
Summarised automatically from public NPI registry and CMS Medicare data. Not written or reviewed by this provider. Claim this profile to replace it.
Areas of Expertise
Licensing & Certification
Source: NPPES NPI Registry
Contact Information
- (925) 939-3000
- Email not available
Practice Locations
1601 YGNACIO VALLEY RD
Walnut Creek, CA 94598
Procedures Most Often Billed to Medicare
100 services · 100 patients · 4 distinct codes
| Procedure | Type | Code | Services |
|---|---|---|---|
| Anesthesia for other procedure on large bowel using an endoscope | Anaesthesia | 00811 |
42 |
| Anesthesia for exam of colon using an endoscope | Anaesthesia | 00812 |
21 |
| Anesthesia for other procedure on esophagus, stomach, or upper small bowel using an endoscope | Anaesthesia | 00731 |
20 |
| Anesthesia for procedure on small and large bowel using an endoscope | Anaesthesia | 00813 |
17 |
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 anesthesiologists at this location 8
Same specialty, same street address — most likely the same department or group.
Related specialists at this location 5
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 — 11 related providers in 2 groups
Other anesthesiologists in Walnut Creek 3
Same specialty, same city.
Also performs Anesthesia for other procedure on large bowel using an endoscope 8
Providers in CA who bill this service to Medicare most often.
Common questions
What kind of doctor is Dr. Chao?
Dr. Chao is an anesthesiologist in Walnut Creek, CA. This is the primary taxonomy recorded against the NPI in the federal registry, listed there as “Anesthesiology”.
NPI registry
What is Dr. Chao's address?
Dr. Chao is listed at 1601 YGNACIO VALLEY RD, Walnut Creek, CA 94598. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How can I make an appointment with Dr. Chao?
The number on file is (925) 939-3000. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
What is Dr. Chao's NPI number?
Dr. Chao's National Provider Identifier is 1609818608. 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
How long has Dr. Chao been practicing?
Dr. Chao has 20+ years experience. Registered with an NPI since 2006. National Provider Identifiers only began in 2005, so a provider who qualified earlier may have practiced for longer than this.
NPI registry
What procedures does Dr. Chao perform?
According to Medicare billing data, Dr. Chao provides treatments such as anesthesia for other procedure on large bowel using an endoscope and anesthesia for exam of colon using an endoscope. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Has Dr. Chao confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Chao. 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.