Physician Profile
Unclaimed ProfileAbout DARNALL
Christopher Keilty Darnall, M.D. is a healthcare provider in Austin, TX specialising in sleep medicine. Christopher trained at University of Mississippi School of Medicine, graduating in 2002. Christopher is also listed as specialising in neurology and sleep medicine (neurology).
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
Common questions
What is Dr. Darnall's specialty?
Dr. Darnall is a sleep medicine in Austin, TX. This is the primary taxonomy recorded against the NPI in the federal registry, listed there as “SLEEP MEDICINE”.
NPI registry
Where can I find Dr. Darnall?
Dr. Darnall is listed at 11714 WILSON PARKE AVE STE 150, Austin, TX 78726. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How do I contact Dr. Darnall?
The number on file is (737) 247-7200. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
What is Dr. Darnall's NPI number?
Dr. Darnall's National Provider Identifier is 1225204530. 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
What is Dr. Darnall's medical education?
Dr. Darnall attended University of Mississippi School of Medicine, graduating in 2002. This comes from the CMS National Downloadable File.
CMS public data
How long has Dr. Darnall been practising?
Dr. Darnall has 24 years experience. Calculated from a graduation year of 2002, reported in the CMS National Downloadable File.
CMS public data
What is Dr. Darnall known for?
According to Medicare billing data, Dr. Darnall provides treatments such as sleep study in sleep lab with continuous airway pressure and sleep study in sleep lab, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Has Dr. Darnall confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Darnall. If this is you, claiming it is free.
Guide.md
Licensing & Certification
Source: NPPES NPI Registry
Contact Information
- (737) 247-7200
- Email not available
Practice Locations
11714 WILSON PARKE AVE STE 150
Austin, TX 78726
Procedures Most Often Billed to Medicare
2,069 services · 1,841 patients · 9 distinct codes
| Procedure | Type | Code | Services |
|---|---|---|---|
| Sleep study in sleep lab with continuous airway pressure (6 years or older) | Treatment | 95811 |
148 |
| Sleep study in sleep lab (6 years or older) | Treatment | 95810 |
77 |
| Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more | Office visit | 99213 |
850 |
| Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more | Office visit | 99214 |
691 |
| 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 |
114 |
| New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more | Office visit | 99204 |
80 |
| New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more | Office visit | 99203 |
66 |
| Office or other outpatient visit for the evaluation and management of established patient that may not require presence of healthcare professional | Office visit | 99211 |
32 |
| Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more | Office visit | 99215 |
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.
Related specialists at this location 1
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 sleep medicines in Austin 3
Same specialty, same city.
More connections — 20 related providers in 3 groups
Trained at University of Mississippi School of Medicine 4
Other providers in the same specialty who trained at the same institution.
Class of 2002 at University of Mississippi School of Medicine 8
Providers who graduated from the same medical school in the same year.
Also performs Sleep study in sleep lab with continuous airway pressure (6 years or older) 8
Providers in TX 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.