Christopher Keilty Darnall, M.D.
Sleep Medicine (Psychiatry & Neurology) Physician · Austin, TX
Christopher Keilty Darnall, M.D. is a sleep medicine (psychiatry & neurology) physician with a practice address in Austin, Texas, and NPI 1225204530, issued on May 6, 2008. Check the license (Texas M9242, as entered in NPPES) on the Texas Medical Board; the Medicare figures below come from public CMS files.
- Name
- Christopher Keilty Darnall
- Credential
- M.D.
- Primary taxonomy
- Sleep Medicine (Psychiatry & Neurology) Physician 2084S0012X
- License number
- M9242 TX
Self-reported in NPPES; status is on the state search - Practice location
- 11714 Wilson Parke Ave Ste 150, Austin, TX 78726
- Phone
- (737) 247-7200
- Enumerated
- May 6, 2008
- Record last updated
- Jun 3, 2026
- Fax
- (512) 406-7368
- Medicare enrollment
- Enrolled (PECOS I20080721000691); accepts Medicare assignment
- Medical or professional school
- University Of Mississippi School Of Medicine, 2002
- Entity
- Type 1 · individual
8 nearest sleep medicine (psychiatry & neurology) physician records → All 32 in Texas → Look up another NPI →
Also registered at 11714 Wilson Parke Ave Ste 150
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Tammy BejaranoAdult Health Nurse Practitioner1326707746
- Jacques Benun, MDPediatrics Physician1952355471
- Scott Boruchow, M.D.Neurology Physician1174772354
Verify Christopher Keilty Darnall in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersTexas Medical Board
Search for license M9242Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
26% fewer Medicare Part D claims than the average sleep medicine (psychiatry & neurology) physician in 2024
485 Medicare Part D claims for 122 beneficiaries, against an average of 655 among the 377 providers of this specialty who prescribed in Part D. Brand-name drugs were 6% of claims.
Most prescribed
- Eszopiclone68 claims
- Pramipexole Dihydrochloride64 claims
- Trazodone Hcl57 claims
- Gabapentin42 claims
- Modafinil32 claims
- Zaleplon26 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
No measured MIPS final score for 2023
CMS assigned the neutral MIPS final score of 75 without scoring Quality, Cost, Promoting Interoperability or Improvement Activities. It is an administrative threshold, so PlainDoctor does not compare it with measured clinicians.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $175.43
1 payment: food and beverage; the largest payer was Inspire Medical Systems, Inc. The 278 providers of this specialty with any payment received $5,572.43 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through one group practice
- Austin Regional Clinic PAAustin, TX
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Christopher Keilty Darnall among 32 sleep medicine (psychiatry & neurology) physician records in Texas
Christopher Keilty Darnall, M.D. is one of 32 sleep medicine (psychiatry & neurology) physician records with a practice address in Texas. 78% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2008, is newer than 66% of them.
- NPI issued2008 · 66% of these records are older, 16% newer
- In a Medicare fileYes · 78% of these records are
- In the CMS Doctors and Clinicians fileYes · 56% of these records are
- Graduated2002 · median 1999 among the 18 with a school on file
- Record last updated2026 · 50% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2084S0012X and a Texas practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Sleep Medicine (Psychiatry & Neurology) Physician providers in Texas
There are 32 sleep medicine (psychiatry & neurology) physician records in Texas.
All 32 in Texas → Every provider in Austin → Sleep Medicine (Psychiatry & Neurology) Physician nationwide →
The 8 sleep medicine (psychiatry & neurology) physician records with the nearest ZIP codes
- John Hudson, M.D.Austin, TX 787311487626008
- David Duhon, M.D.West Lake Hills, TX 787461811088669
- Ashwin Gowda, M.D.Austin, TX 787041669447397
- Hanul Bhandari, MDShavano Park, TX 782491053572164
- Roberto Sartori, M.D.Jbsa Ft Sam Houston, TX 782341073605432
- Angelica White, MDSan Antonio, TX 782291588849434
- Dario Beltran, MDMidland, TX 797011912100850
- Manoher Gurru, M.D.Midland, TX 797031558394601
Common questions
What is Christopher Keilty Darnall, M.D.'s NPI number?
Christopher Keilty Darnall, M.D.'s National Provider Identifier (NPI) is 1225204530, issued on May 6, 2008. An NPI identifies a provider in billing; it is not a license.
Where is Christopher Keilty Darnall, M.D. located?
The NPPES record lists a practice address at 11714 Wilson Parke Ave Ste 150, Austin, TX, 78726. Phone: (737) 247-7200. Providers update this record themselves, so call before visiting.
How can I verify Christopher Keilty Darnall, M.D.'s license?
NPPES lists Texas license number M9242, as entered by the provider. Search the Texas Medical Board at https://profile.tmb.state.tx.us/Search.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Christopher Keilty Darnall, M.D. prescribe under Medicare Part D?
In 2024, Christopher Keilty Darnall, M.D. had 485 Medicare Part D claims for 122 beneficiaries; the average among sleep medicine (psychiatry & neurology) physician prescribers was 655. Part D covers Medicare prescriptions only.
What is Christopher Keilty Darnall, M.D.'s MIPS final score?
CMS assigned the neutral MIPS final score of 75 for 2023 without scoring any category, so it is not a measured result.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.