Physician Profile
Warren Gee, MD
Unclaimed ProfileAbout Dr. Gee
Based in Castro Valley, CA, Warren Gee, MD is listed in the NPI registry under anesthesiology. Medicare claims data shows Warren provided 108 services to 105 patients.
Summarised automatically from public NPI registry and CMS Medicare data. Not written or reviewed by this provider. Claim this profile to replace it.
Specialty
Credentials & Licensing
Source: NPPES NPI Registry
Contact Information
- (510) 537-1234
- Email not available
Practice Locations
20103 LAKE CHABOT RD
Castro Valley, CA 94546
Procedures Most Often Billed to Medicare
108 services · 105 patients · 5 distinct codes
| Procedure | Type | Code | Services |
|---|---|---|---|
| Anesthesia for lens surgery | Anaesthesia | 00142 |
54 |
| Anesthesia for other procedure on eye | Anaesthesia | 00140 |
16 |
| Anesthesia for other procedure on esophagus, stomach, or upper small bowel using an endoscope | Anaesthesia | 00731 |
14 |
| Anesthesia for other procedure on large bowel using an endoscope | Anaesthesia | 00811 |
13 |
| Anesthesia for extensive surgery on spine | Anaesthesia | 00670 |
11 |
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 5
Same specialty, same street address — most likely the same department or group.
Related specialists at this location 7
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 — 12 related providers in 2 groups
Other anesthesiologists in Castro Valley 4
Same specialty, same city.
Also performs Anesthesia for lens surgery 8
Providers in CA who bill this service to Medicare most often.
Common questions
What kind of doctor is Dr. Gee?
Dr. Gee is an anesthesiologist in Castro Valley, CA. This is the primary taxonomy recorded against the NPI in the federal registry, listed there as “Anesthesiology”.
NPI registry
What is Dr. Gee's address?
Dr. Gee is listed at 20103 LAKE CHABOT RD, Castro Valley, CA 94546. 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. Gee?
The number on file is (510) 537-1234. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
What is the NPI for Dr. Gee?
Dr. Gee's National Provider Identifier is 1528143575. 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 much experience does Dr. Gee have?
Dr. Gee 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. Gee perform?
According to Medicare billing data, Dr. Gee provides treatments such as anesthesia for lens surgery and anesthesia for other procedure on eye. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Is Dr. Gee's profile verified?
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Gee. If this is you, claiming it is free.
Guide.md
Provider data sourced from the NPPES NPI Registry and CMS public datasets. Information is provided for reference and is not medical advice.