Ian Delain Gray, M.D.
Anesthesiology Physician · Oklahoma City, OK
Ian Delain Gray, M.D. is an anesthesiology physician with a practice address in Oklahoma City, Oklahoma, and NPI 1710365390, issued on May 14, 2015. Check the license (Oklahoma 31615, as entered in NPPES) on the Oklahoma Board of Medical Licensure and Supervision; the Medicare figures below come from public CMS files.
- Name
- Ian Delain Gray
- Credential
- M.D.
- Primary taxonomy
- Anesthesiology Physician 207L00000X
- License numbers
- 31615 OK
0101288089 VA
Self-reported in NPPES; status is on the state search - Practice location
- 11200 N Portland Ave, Oklahoma City, OK 73120
- Phone
- (405) 936-1346
- Enumerated
- May 14, 2015
- Record last updated
- Jan 22, 2026
- Medicare enrollment
- Enrolled (PECOS I20190529001434); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest anesthesiology physician records → All 611 in Oklahoma → Look up another NPI →
Also registered at 11200 N Portland Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Dana Bock, MDAnesthesiology Physician1487614285
- Susan Chambers, M.D.Obstetrics & Gynecology Physician1881613701
- Whitney Driver, MDObstetrics & Gynecology Physician1770743825
Verify Ian Delain 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 31615Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Bills Medicare through 4 group practices
- Acv IncRoanoke, VA
- Anesthesia Scheduling Services, P.C.Oklahoma City, OK
- Oklahoma City Anesthesia, LLCOklahoma City, OK
- Orthomed Staffing LLCOklahoma City, OK
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Ian Delain Gray among 611 anesthesiology physician records in Oklahoma
Ian Delain Gray, M.D. is one of 611 anesthesiology physician records with a practice address in Oklahoma. 74% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2015, is newer than 77% of them.
- NPI issued2015 · 77% of these records are older, 21% newer
- In a Medicare fileYes · 74% of these records are
- In the CMS Doctors and Clinicians fileYes · 66% of these records are
- Graduated2015 · median 2005 among the 402 with a school on file
- Record last updated2026 · 60% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207L00000X and a Oklahoma practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
359 anesthesiology physician records list a practice address in Oklahoma City
They are 359 of the 22,359 NPPES records with a practice address in Oklahoma City, and 611 anesthesiology physician records in Oklahoma.
All 611 in Oklahoma → Every provider in Oklahoma City → Anesthesiology Physician nationwide →
The 8 anesthesiology physician records with the nearest ZIP codes
- Robin Bayless, MDOklahoma City, OK 731201134189939
- Paul Bicket, M.D.Oklahoma City, OK 731201699721084
- Dana Bock, MDOklahoma City, OK 731201487614285
- David Crane, M.D.Oklahoma City, OK 731201962478057
- Jay Cunningham, D.O.Oklahoma City, OK 731201578502050
- David Dautenhahn, M.D.Oklahoma City, OK 731201952386591
- Michael Duncan, M.D.Oklahoma City, OK 731201174562789
- Bennett Fuller, M.D.Oklahoma City, OK 731201437198090
Common questions
What is Ian Delain Gray, M.D.'s NPI number?
Ian Delain Gray, M.D.'s National Provider Identifier (NPI) is 1710365390, issued on May 14, 2015. An NPI identifies a provider in billing; it is not a license.
Where is Ian Delain Gray, M.D. located?
The NPPES record lists a practice address at 11200 N Portland Ave, Oklahoma City, OK, 73120. Phone: (405) 936-1346. Providers update this record themselves, so call before visiting.
How can I verify Ian Delain Gray, M.D.'s license?
NPPES lists Oklahoma license number 31615, 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.
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.