MARK CLYNE LONG D.O.
NPI 1821475864
Psychiatry & Neurology - Psychiatry in Chillicothe, OH

Q: What is Mark Long's NPI number?

The NPI number for Mark Long is 1821475864. It was assigned to this individual provider in the NPPES registry on April 29, 2015.

Q: What is Mark Long'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 Long was last updated on November 17, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 years 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 April 29, 2015PECOS Enrolled

17273 STATE ROUTE 104, CHILLICOTHE, OH 45601(740) 773-1141 Get Directions Write a Review

NPPES record last updated: November 17, 2023. Verified against the NPPES registry weekly; last sync: August 02, 2026.

On this page

About Mark Clyne Long D.o. NPPES

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

MARK CLYNE LONG D.O. (NPI 1821475864) is an individual psychiatry provider in Chillicothe, Ohio, licensed in Ohio (34.013837) and active in the NPI registry since April 2015. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1821475864

Entity TypeIndividualMale

Primary Taxonomy2084P0800X

Provider Legal NameMARK CLYNE LONGCredential: D.O.

Location Address17273 STATE ROUTE 104Chillicothe, OH 45601-9718

Mailing Address17273 State Route 104Chillicothe, OH 45601-9718 · (740) 773-1141

Phone(740) 773-1141

Sole ProprietorNo

Enumeration DateApril 29, 2015

Last NPPES UpdateNovember 17, 2023

NPPES CertifiedNovember 17, 2023

✔ NPI 1821475864 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPsychiatry & Neurology · PsychiatryAllopathic & Osteopathic Physicians

Taxonomy Code2084P0800X

License✔ Licensed in OH · 34.013837

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.

17273 STATE ROUTE 104, Chillicothe, OH 45601

Open in Google Maps ↗

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Mark Clyne Long D.o. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

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 45601 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

$166.65 typical visit price

range $54.34 – $166.65

Typical copayment $41.66 (range $13.58 – $41.66)

Most-billed visit code 99205

Established Patient

$68.07 typical visit price

range $17.10 – $135.40

Typical copayment $17.01 (range $4.27 – $33.85)

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 20

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

DR. MELISSA MARIE BENNETT O.D.

Optometrist