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

DR. MARK LOUDNER DO
NPI 1437899440
Psychiatry & Neurology - Psychiatry in Lexington, KY

Q: What is Mark Loudner's NPI number?

The NPI number for Mark Loudner is 1437899440. It was assigned to this individual provider in the NPPES registry on March 29, 2022.

Q: What is Mark Loudner'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 Loudner was last updated on July 28, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 22 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 March 29, 2022PECOS Enrolled

1030 MONARCH ST STE 100, LEXINGTON, KY 40513(216) 468-5000(216) 456-8128 Get Directions Write a Review

NPPES record last updated: July 28, 2026. Verified against the NPPES registry weekly; last sync: August 16, 2026.

Record update history: Jul 28, 2026, Sep 3, 2024, Aug 22, 2023 (3 updates tracked since 2023).

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About Dr. Mark Loudner Do NPPES

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

DR. MARK LOUDNER DO (NPI 1437899440) is an individual psychiatry provider in Lexington, Kentucky, licensed in Kentucky (06388) and active in the NPI registry since March 2022. He is enrolled in Medicare PECOS and is a graduate of Other (2022).

NPPES Registry Identity

NPI1437899440

Entity TypeIndividualMale

Primary Taxonomy2084P0800X

Provider Legal NameDR. MARK LOUDNERCredential: DO

Location Address1030 MONARCH ST STE 100Lexington, KY 40513-1820

Mailing Address1030 Monarch St Ste 200Lexington, KY 40513-1880 · (859) 296-3131 · Fax (859) 296-3144

Phone(216) 468-5000

Fax(216) 456-8128

Sole ProprietorNo

Medical School CMSOtherGraduated 2022

Enumeration DateMarch 29, 2022

Last NPPES UpdateJuly 28, 20263 updates tracked since enumeration

NPPES CertifiedJuly 28, 2026

✔ NPI 1437899440 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 KY · 06388

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.

1030 MONARCH ST STE 100, Lexington, KY 40513

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Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Dr. Mark Loudner Do is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

PECOS PAC ID8729442132

PECOS Enrollment IDI20260720001957

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 40513 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

$162.27 typical visit price

range $52.76 – $162.27

Typical copayment $40.56 (range $13.19 – $40.56)

Most-billed visit code 99205

Established Patient

$66.24 typical visit price

range $16.53 – $131.99

Typical copayment $16.56 (range $4.13 – $32.99)

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 16

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

LARISSA FLINT LCSW

Social Worker (Clinical)