William Knight Gray, MD
Emergency Medicine Physician · Tulsa, OK
William Knight Gray, MD is an emergency medicine physician with a practice address in Tulsa, Oklahoma, and NPI 1891786000, issued on Nov 4, 2005. Check the license (Oklahoma 14400, as entered in NPPES) on the Oklahoma Board of Medical Licensure and Supervision; the Medicare figures below come from public CMS files.
- Name
- William Knight Gray
- Credential
- MD
- Primary taxonomy
- Emergency Medicine Physician 207P00000X
- License number
- 14400 OK
Self-reported in NPPES; status is on the state search - Practice location
- 1120 S Utica Ave, Tulsa, OK 74104
- Phone
- (918) 728-6194
- Enumerated
- Nov 4, 2005
- Record last updated
- Dec 6, 2007 (not updated in 19 years: call before relying on the address or phone)
- Fax
- (918) 664-2521
- Medicaid ID
- 100254130C OK
- Medicare enrollment
- Enrolled (PECOS I20181213001491); accepts Medicare assignment
- Medical or professional school
- University Of Oklahoma College Of Medicine, 1982
- Entity
- Type 1 · individual
8 nearest emergency medicine physician records → All 748 in Oklahoma → Look up another NPI →
Also registered at 1120 S Utica Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Cassandra AdamsCritical Care Medicine Nurse Practitioner1073451621
- Kathryn Adams, PT, DPTPhysical Therapist1477266781
- Omotade Ademoye, APRNAcute Care Nurse Practitioner1073222055
- Kelechi Agu, MDEmergency Medicine Physician1831686526
- Joseph Aguero, APRN-CNPNurse Practitioner1912724501
- Clinton AlsupCertified Registered Nurse Anesthetist1013451939
Verify William Knight Gray in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersOklahoma Board of Medical Licensure and Supervision
Search for license 14400Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
43% fewer Medicare Part D claims than the average emergency medicine physician in 2024
129 Medicare Part D claims for 99 beneficiaries, against an average of 226 among the 54,106 providers of this specialty who prescribed in Part D. 24 claims were for opioids.
Most prescribed
- Hydrocodone-Acetaminophen20 claims
- Cephalexin19 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.
Industry payments in 2024: $236.78
7 payments; by number, the most common kind was food and beverage; the largest payer was Penumbra, Inc. The 12,335 providers of this specialty with any payment received $953.79 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 2 group practices
- Creek Nation Hospital And ClinicsTulsa, OK
- Green Country Emergency Physicians Group OF Tulsa, PLLCJoplin, MO
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
William Knight Gray among 748 emergency medicine physician records in Oklahoma
William Knight Gray, MD is one of 748 emergency medicine physician records with a practice address in Oklahoma. 87% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2005, is newer than 0% of them.
- NPI issued2005 · 0% of these records are older, 95% newer
- In a Medicare fileYes · 87% of these records are
- In the CMS Doctors and Clinicians fileYes · 59% of these records are
- Graduated1982 · median 2016 among the 438 with a school on file
- Record last updated2007 · 53% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207P00000X and a Oklahoma practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
264 emergency medicine physician records list a practice address in Tulsa
They are 264 of the 18,643 NPPES records with a practice address in Tulsa, and 748 emergency medicine physician records in Oklahoma.
All 748 in Oklahoma → Every provider in Tulsa → Emergency Medicine Physician nationwide →
The 8 emergency medicine physician records with the nearest ZIP codes
- Jerry Castleberry, DOTulsa, OK 741041417919762
- Jeffrey Dixon, MDTulsa, OK 741041669463865
- Charles Farmer, M.D.Tulsa, OK 741041326078726
- Jeffrey Goodloe, M.D.Tulsa, OK 741041285610428
- Todd Hoffman, MDTulsa, OK 741041821089020
- Joe Huddleston, DOTulsa, OK 741041447241641
- Stephen Jaskowiak, D.O.Tulsa, OK 741041235169632
- Jeffrey Johnson, MDTulsa, OK 741041356386528
Common questions
What is William Knight Gray, MD's NPI number?
William Knight Gray, MD's National Provider Identifier (NPI) is 1891786000, issued on Nov 4, 2005. An NPI identifies a provider in billing; it is not a license.
Where is William Knight Gray, MD located?
The NPPES record lists a practice address at 1120 S Utica Ave, Tulsa, OK, 74104. Phone: (918) 728-6194. Providers update this record themselves, so call before visiting.
How can I verify William Knight Gray, MD's license?
NPPES lists Oklahoma license number 14400, as entered by the provider. Search the Oklahoma Board of Medical Licensure and Supervision at https://www.okmedicalboard.org/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does William Knight Gray, MD prescribe under Medicare Part D?
In 2024, William Knight Gray, MD had 129 Medicare Part D claims for 99 beneficiaries; the average among emergency medicine physician prescribers was 226. Part D covers Medicare prescriptions only.
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.