Christopher O. Gulley, M.D.
Internal Medicine Physician · Amarillo, TX
Christopher O. Gulley, M.D. is an internal medicine physician with a practice address in Amarillo, Texas, and NPI 1265790612, issued on Apr 23, 2012. Check the license (Texas Q4121, as entered in NPPES) on the Texas Medical Board; the Medicare figures below come from public CMS files.
- Name
- Christopher O. Gulley
- Credential
- M.D.
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- Q4121 TX
Self-reported in NPPES; status is on the state search - Practice location
- 1215 S Coulter St, Amarillo, TX 79106
- Phone
- (806) 677-2000
- Enumerated
- Apr 23, 2012
- Record last updated
- May 19, 2016 (not updated in 10 years: call before relying on the address or phone)
- Fax
- (806) 356-0045
- Medicaid IDs
- 88674703 NM
200622020 A OK
353267301 TX
353267302 TX - Medicare enrollment
- Enrolled (PECOS I20150805009322); accepts Medicare assignment
- Medical or professional school
- University Of Texas Southwestern Medical School At Dallas, 2012
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 9,175 in Texas → Look up another NPI →
Also registered at 1215 S Coulter St
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Victor Bravo, M.D.Family Medicine Physician1528012044
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Verify Christopher O. Gulley in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersTexas Medical Board
Search for license Q4121Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
61% more Medicare Part D claims than the average internal medicine physician in 2024
5,098 Medicare Part D claims for 450 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 12% of claims. 220 claims were for opioids.
Most prescribed
- Atorvastatin Calcium269 claims
- Levothyroxine Sodium235 claims
- Pantoprazole Sodium180 claims
- Montelukast Sodium159 claims
- Losartan Potassium156 claims
- Amlodipine Besylate133 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: $563.99
21 payments; by number, the most common kind was food and beverage; the largest payer was Inspire Medical Systems, Inc. The 50,334 providers of this specialty with any payment received $1,303.06 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
- Amarillo Medical Specialists,llpAmarillo, TX
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Christopher O. Gulley among 9,175 internal medicine physician records in Texas
Christopher O. Gulley, M.D. is one of 9,175 internal medicine physician records with a practice address in Texas. 82% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2012, is newer than 63% of them.
- NPI issued2012 · 63% of these records are older, 34% newer
- In a Medicare fileYes · 82% of these records are
- In the CMS Doctors and Clinicians fileYes · 66% of these records are
- Graduated2012 · median 2004 among the 6,088 with a school on file
- Record last updated2016 · 49% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a Texas practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
82 internal medicine physician records list a practice address in Amarillo
They are 82 of the 3,934 NPPES records with a practice address in Amarillo, and 9,175 internal medicine physician records in Texas.
All 9,175 in Texas → Every provider in Amarillo → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Ako Bradford, MDAmarillo, TX 791061891738712
- Jon Bush, M.D.Amarillo, TX 791061912940891
- John Chandler, MDAmarillo, TX 791061518958701
- Nam Do, M.D.Amarillo, TX 791061063456572
- Rebeca Flores Morales, MDAmarillo, TX 791061699767657
- Anuradha Gopalachar, M.D.Amarillo, TX 791061093775256
- Mohamedaouf Khaznadar, MDAmarillo, TX 791061790712784
- Hernan Miranda, MDAmarillo, TX 791061477547339
Common questions
What is Christopher O. Gulley, M.D.'s NPI number?
Christopher O. Gulley, M.D.'s National Provider Identifier (NPI) is 1265790612, issued on Apr 23, 2012. An NPI identifies a provider in billing; it is not a license.
Where is Christopher O. Gulley, M.D. located?
The NPPES record lists a practice address at 1215 S Coulter St, Amarillo, TX, 79106. Phone: (806) 677-2000. Providers update this record themselves, so call before visiting.
How can I verify Christopher O. Gulley, M.D.'s license?
NPPES lists Texas license number Q4121, 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 O. Gulley, M.D. prescribe under Medicare Part D?
In 2024, Christopher O. Gulley, M.D. had 5,098 Medicare Part D claims for 450 beneficiaries; the average among internal medicine physician prescribers was 3,176. Part D covers Medicare prescriptions only.
What is Christopher O. Gulley, 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.