Physician Profile
Unclaimed ProfileAbout ON
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Areas of Expertise
Common questions
What is Dr. On's specialty?
Dr. On is an anesthesiologist in Phoenix, AZ. This is the primary taxonomy recorded against the NPI in the federal registry, listed there as “Anesthesiology”.
NPI registry
Where can I find Dr. On?
Dr. On is listed at 77 E COLUMBUS AVE SUITE 201, Phoenix, AZ 85012. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How do I contact Dr. On?
The number on file is (602) 200-9021. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
What is the NPI for Dr. On?
Dr. On's National Provider Identifier is 1831166685. 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. On have?
Dr. On 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 practised for longer than this.
NPI registry
What is Dr. On known for?
According to Medicare billing data, Dr. On performs procedures including injection of anesthetic agent and/or steroid into arm nerve bundle; provides treatments such as anesthesia for other procedure or exam of knee joint using an endoscope and anesthesia for other procedure on mouth. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Is Dr. On's profile verified?
Not yet. This profile is built from public federal data and has not been confirmed by Dr. On. If this is you, claiming it is free.
Guide.md
Licensing & Certification
Source: NPPES NPI Registry
Contact Information
- (602) 200-9021
- Email not available
Practice Locations
77 E COLUMBUS AVE SUITE 201
Phoenix, AZ 85012
Procedures Most Often Billed to Medicare
82 services · 82 patients · 5 distinct codes
| Procedure | Type | Code | Services |
|---|---|---|---|
| Injection of anesthetic agent and/or steroid into arm nerve bundle (brachial plexus) | Procedure | 64415 |
22 |
| Anesthesia for other procedure or exam of knee joint using an endoscope | Anaesthesia | 01400 |
20 |
| Anesthesia for other procedure on mouth | Anaesthesia | 00170 |
16 |
| Anesthesia for other procedure on lower leg, ankle, and foot bones | Anaesthesia | 01480 |
13 |
| Anesthesia for other procedure on top of arm bone and shoulder joint | Anaesthesia | 01630 |
11 |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
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Claim this profileRelated 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 1
Same specialty, same street address — most likely the same department or group.
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 anesthesiologists in Phoenix 8
Same specialty, same city.
More connections — 8 related providers in 1 group
Also performs Injection of anesthetic agent and/or steroid into arm nerve bundle (brachial plexus) 8
Providers in AZ 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.