Physician Profile
Unclaimed ProfileAbout CHALLIS
Based in Norman, OK, Christopher Challis, MD is listed in the NPI registry under family medicine. Christopher is also listed as specializing in family medicine — sports medicine. Medicare claims data shows Christopher provided 339 services to 269 patients.
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
- (405) 230-9600
- Email not available
Practice Locations
3700 36TH AVE NW
Norman, OK 73072
Procedures Most Often Billed to Medicare
339 services · 269 patients · 9 distinct codes
| Procedure | Type | Code | Services |
|---|---|---|---|
| Aspiration and/or injection of fluid from large joint | Procedure | 20610 |
35 |
| Aspiration and/or injection of fluid large joint using ultrasound guidance | Procedure | 20611 |
30 |
| X-ray of lower and sacral spine, minimum of 4 views | Imaging | 72110 |
29 |
| X-ray of knee, 4 or more views | Imaging | 73564 |
25 |
| X-ray of foot, minimum of 3 views | Imaging | 73630 |
22 |
| X-ray of hip, 2-3 views | Imaging | 73502 |
13 |
| Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more | Office visit | 99213 |
115 |
| New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more | Office visit | 99203 |
51 |
| Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more | Office visit | 99214 |
19 |
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.
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.
Other family doctors in Norman 8
Same specialty, same city.
More connections — 8 related providers in 1 group
Also performs Aspiration and/or injection of fluid from large joint 8
Providers in OK who bill this service to Medicare most often.
Common questions
What is Dr. Challis's specialty?
Dr. Challis is a family doctor in Norman, OK. This is the primary taxonomy recorded against the NPI in the federal registry, listed there as “Family Medicine”.
NPI registry
Where can I find Dr. Challis?
Dr. Challis is listed at 3700 36TH AVE NW, Norman, OK 73072. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How do I contact Dr. Challis?
The number on file is (405) 230-9600. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
What is the NPI for Dr. Challis?
Dr. Challis's National Provider Identifier is 1447695531. 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. Challis have?
Dr. Challis has 13+ years experience. Registered with an NPI since 2013. National Provider Identifiers only began in 2005, so a provider who qualified earlier may have practiced for longer than this.
NPI registry
What is Dr. Challis known for?
According to Medicare billing data, Dr. Challis performs procedures including aspiration and/or injection of fluid from large joint and aspiration and/or injection of fluid large joint using ultrasound guidance; reads or performs imaging such as x-ray of lower and sacral spine, minimum of 4 views and x-ray of knee, 4 or more views, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Is Dr. Challis's profile verified?
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Challis. If this is you, claiming it is free.
Guide.md
Is this your profile?
Verify your identity to control how patients — and AI assistants — describe you.
Claim this profileProvider data sourced from the NPPES NPI Registry and CMS public datasets. Information is provided for reference and is not medical advice.