Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

DR. MARK DANIEL HOLSEY D.O.
NPI 1992184485
Psychiatry & Neurology - Psychiatry in Norman, OK

Q: What is Mark Holsey's NPI number?

The NPI number for Mark Holsey is 1992184485. It was assigned to this individual provider in the NPPES registry on May 29, 2015.

Q: What is Mark Holsey's specialty?

The primary specialty registered for this NPI is Psychiatry & Neurology, specializing in Psychiatry, with taxonomy code 2084P0800X.

Q: When was this NPI record last updated?

The NPPES record for Mark Holsey was last updated on July 25, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 20 days ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.

Active since May 29, 2015PECOS Enrolled

2268 36TH AVE NW STE 120, NORMAN, OK 73072(405) 876-8118(936) 244-4621 Get Directions Write a Review

NPPES record last updated: July 25, 2026. Verified against the NPPES registry weekly; last sync: August 09, 2026.

Record update history: Jul 25, 2026, Jun 19, 2024, Mar 2, 2023 and 1 more (4 updates tracked since 2018).

On this page

About Dr. Mark Daniel Holsey D.o. NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

DR. MARK DANIEL HOLSEY D.O. (NPI 1992184485) is an individual psychiatry provider in Norman, Oklahoma, licensed in Oklahoma (5997) and active in the NPI registry since May 2015. He is enrolled in Medicare PECOS, maintains a secondary practice location in Frisco, and is a graduate of Oklahoma State University College Of Osteopathic Medicine (2015).

NPPES Registry Identity

NPI1992184485

Entity TypeIndividualMale

Primary Taxonomy2084P0800X

Provider Legal NameDR. MARK DANIEL HOLSEYCredential: D.O.

Location Address2268 36TH AVE NW STE 120Norman, OK 73072-3287

Mailing Address2268 36th Ave Nw Ste 120Norman, OK 73072-3287 · (405) 876-8118 · Fax (936) 244-4621

Phone(405) 876-8118

Fax(936) 244-4621

Sole ProprietorNo

Medical School CMSOklahoma State University College Of Osteopathic MedicineGraduated 2015

Enumeration DateMay 29, 2015

Last NPPES UpdateJuly 25, 20264 updates tracked since enumeration

NPPES CertifiedJuly 25, 2026

✔ NPI 1992184485 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPsychiatry & Neurology · PsychiatryAllopathic & Osteopathic Physicians

Taxonomy Code2084P0800X

Licenses✔ Licensed in OK · 5997✔ Licensed in TX · U1035

Definition

A Psychiatrist specializes in the prevention, diagnosis, and treatment of mental disorders, emotional disorders, psychotic disorders, mood disorders, anxiety disorders, substance-related disorders, sexual and gender identity disorders and adjustment disorders. Biologic, psychological, and social components of illnesses are explored and understood in treatment of the whole person. Tools used may include diagnostic laboratory tests, prescribed medications, evaluation and treatment of psychological and interpersonal problems with individuals and families, and intervention for coping with stress, crises, and other problems.

2268 36TH AVE NW STE 120, Norman, OK 73072

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Secondary Practice Location 1

Location 1400 Stonebrook Pkwy Unit 601Frisco, TX 75036-3122 · Phone (469) 833-2711 · Fax (936) 244-4621

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Ambetter from Arizona Complete Health, Ambetter from Arkansas Health & Wellness, Ambetter from Louisiana Healthcare Connections and more.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Dr. Mark Daniel Holsey D.o. is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID2466730957

PECOS Enrollment IDI20251029002876

Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 73072 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient

$162.61 typical visit price

range $53.00 – $162.61

Typical copayment $40.65 (range $13.25 – $40.65)

Most-billed visit code 99205

Established Patient

$66.48 typical visit price

range $16.68 – $132.40

Typical copayment $16.62 (range $4.17 – $33.10)

Most-billed visit code 99213

Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES 3

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

TIFFANY PALAZZOLO

Marriage & Family Therapist

2268 36TH AVE NW STE 120
NORMAN, OK 73072

Cleveland County (405) 308-7444

PSYCH WELLNESS PLLC

Psychiatry & Neurology (Psychiatry)

2268 36TH AVE NW STE 120
NORMAN, OK 73072

Cleveland County (405) 876-8118

FALLING FEATHERS LLC

Marriage & Family Therapist

2268 36TH AVE NW STE 120
NORMAN, OK 73072

Cleveland County (405) 308-7444

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Mark Holsey's NPI number?

The NPI number for Mark Holsey is 1992184485. It was assigned to this individual provider in the NPPES registry on May 29, 2015.

Where is Mark Holsey located?

Mark Holsey practices at 2268 36th Ave NW Ste 120, Norman, OK 73072. The listed phone number is (405) 876-8118.

What is Mark Holsey's specialty?

The primary specialty registered for this NPI is Psychiatry & Neurology, specializing in Psychiatry, with taxonomy code 2084P0800X.

Is Mark Holsey enrolled in Medicare?

Yes. Mark Holsey is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

What insurance does Mark Holsey accept?

Health plans from Ambetter Health, Ambetter from Arizona Complete Health, Ambetter from Arkansas Health & Wellness, Ambetter from Louisiana Healthcare Connections and Ambetter from Superior HealthPlan and 6 other insurers list Mark Holsey as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

When was this NPI record last updated?

The NPPES record for Mark Holsey was last updated on July 25, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 20 days ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.