Mark Daniel Holsey, D.O.
Psychiatry Physician · Norman, OK
Mark Daniel Holsey, D.O. is a psychiatry physician with a practice address in Norman, Oklahoma, and NPI 1992184485, issued on May 29, 2015. Check the license (Oklahoma 5997, as entered in NPPES) on the Oklahoma Board of Medical Licensure and Supervision; the Medicare figures below come from public CMS files.
- Name
- Mark Daniel Holsey
- Credential
- D.O.
- Primary taxonomy
- Psychiatry Physician 2084P0800X
- License numbers
- 5997 OK
U1035 TX
Self-reported in NPPES; status is on the state search - Practice location
- 2268 36TH Ave NW Ste 120, Norman, OK 73072
- Phone
- (405) 876-8118
- Enumerated
- May 29, 2015
- Record last updated
- Jul 25, 2026
- Fax
- (936) 244-4621
- Medicare enrollment
- Enrolled (PECOS I20251029002876); accepts Medicare assignment
- Medical or professional school
- Oklahoma State University College Of Osteopathic Medicine, 2015
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest psychiatry physician records → All 463 in Oklahoma → Look up another NPI →
Also registered at 2268 36TH Ave NW Ste 120
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Tiffany PalazzoloMarriage & Family Therapist1225300825
Verify Mark Daniel Holsey 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 5997Check 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 one group practice
- Bluebonnet Trails Community Mhmr CenterRound Rock, TX
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Mark Daniel Holsey among 463 psychiatry physician records in Oklahoma
Mark Daniel Holsey, D.O. is one of 463 psychiatry physician records with a practice address in Oklahoma. 64% 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 70% of them.
- NPI issued2015 · 70% of these records are older, 29% newer
- In a Medicare fileYes · 64% of these records are
- In the CMS Doctors and Clinicians fileYes · 46% of these records are
- Graduated2015 · median 2005 among the 213 with a school on file
- Record last updated2026 · 52% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2084P0800X and a Oklahoma practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
65 psychiatry physician records list a practice address in Norman
They are 65 of the 4,245 NPPES records with a practice address in Norman, and 463 psychiatry physician records in Oklahoma.
All 463 in Oklahoma → Every provider in Norman → Psychiatry Physician nationwide →
The 8 psychiatry physician records with the nearest ZIP codes
- Andrew Barbosa, M.D.Norman, OK 730721205453784
- Roy Donovan, M.D.Norman, OK 730721487943494
- Richard Hartman, M.D.Norman, OK 730721639110752
- Jake Johnson, MDNorman, OK 730721730801416
- Lawren Merideth, M DNorman, OK 730721356432637
- Benjamin Quiambao, MDNorman, OK 730721770796336
- Twyla Smith, MDNorman, OK 730721790822534
- Angus Black, STUDENTNorman, OK 730711720704208
Common questions
What is Mark Daniel Holsey, D.O.'s NPI number?
Mark Daniel Holsey, D.O.'s National Provider Identifier (NPI) is 1992184485, issued on May 29, 2015. An NPI identifies a provider in billing; it is not a license.
Where is Mark Daniel Holsey, D.O. located?
The NPPES record lists a practice address at 2268 36TH Ave NW Ste 120, Norman, OK, 73072. Phone: (405) 876-8118. Providers update this record themselves, so call before visiting.
How can I verify Mark Daniel Holsey, D.O.'s license?
NPPES lists Oklahoma license number 5997, 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.