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CHRISTOPHER MERKL MD PA
NPI 1922218908
Psychiatry & Neurology - Clinical Neurophysiology in Houston, TX

Active since May 22, 2007
2116 BISSONNET ST, HOUSTON, TX 77005(713) 665-0472 Get Directions Write a Review

NPPES record last updated: August 22, 2020. Verified against the NPPES registry weekly; last sync: October 25, 2026.

About Christopher Merkl Md Pa NPPES

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

CHRISTOPHER MERKL MD PA (NPI 1922218908) is a healthcare organization registered as a clinical neurophysiology in Houston, Texas and active in the NPI registry since May 2007. The organization lists Christopher Merkl, Owner, as its authorized official.

NPPES Registry Identity

NPI1922218908
Entity TypeOrganization
Primary Taxonomy2084N0600X
Legal Business NameCHRISTOPHER MERKL MD PA
Location Address2116 BISSONNET STHouston, TX 77005-1508
Mailing AddressPo Box 270989Houston, TX 77277-0989 · (713) 665-0472
Phone(713) 665-0472
Organization SubpartNo
Authorized OfficialChristopher MerklOwner · (713) 665-0472
Enumeration DateMay 22, 2007
Last NPPES UpdateAugust 22, 2020
✔ NPI 1922218908 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPsychiatry & Neurology · Clinical NeurophysiologyAllopathic & Osteopathic Physicians
Taxonomy Code2084N0600X
License✔ Licensed in TX · H6431
Definition
Clinical Neurophysiology is a subspecialty with psychiatric or neurologic expertise in the diagnosis and management of central, peripheral, and autonomic nervous system disorders using combined clinical evaluation and electrophysiologic testing such as electroencephalography (EEG), electromyography (EMG), and nerve conduction studies (NCS).
2116 BISSONNET ST, Houston, TX 77005
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Group Practice 1

Group TaxonomyThis provdier is a business group of one or more individual practitioners, all of who practice with the same area of specialization.193400000X SINGLE SPECIALTY GROUP

Medicare Participation & PECOS CMS

Medicare enrollment, revalidation and the clinicians who bill Medicare through this organization, from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Christopher Merkl Md Pa is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Medicare Revalidation Due Date

Revalidation due by March 31, 2027

Medicare-enrolled providers and suppliers confirm their enrollment information with CMS on a set cycle, every 5 years for most and every 3 years for medical equipment suppliers. CMS sets the due date for each enrollment.

StateEnrollment IDDue date
StateTexasEnrollment IDO20110912000314Non-DME Part B · Clinic/Group PracticeDue dateMarch 31, 2027
Source: CMS Revalidation Due Date List, October 2026 release.

Clinicians Billing Medicare Through This Organization

Medicare enrollment records show 1 clinician reassigns Medicare billing to Christopher Merkl MD PA, which bills Medicare for the services this clinician delivers.

Clinician (1)

Christopher Merkl, M.D.
Neuropsychiatry
NPI 1497723142
5177 RICHMOND AVE STE 250
Houston, TX 77056
(713) 665-0472
✔ PECOS3.4 mi

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

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 Christopher Merkl MD PA's NPI number?

The NPI number for Christopher Merkl MD PA is 1922218908. It was assigned to this organization in the NPPES registry on May 22, 2007.

Where is Christopher Merkl MD PA located?

Christopher Merkl MD PA is located at 2116 Bissonnet St, Houston, TX 77005. The listed phone number is (713) 665-0472.

What is Christopher Merkl MD PA's specialty?

The primary specialty registered for this NPI is Psychiatry & Neurology, specializing in Clinical Neurophysiology, with taxonomy code 2084N0600X.

Is Christopher Merkl MD PA enrolled in Medicare?

Yes. Christopher Merkl MD PA is registered in the Medicare PECOS enrollment system.

When is Christopher Merkl MD PA's Medicare revalidation due?

According to the CMS Revalidation Due Date List (October 2026 release), the Medicare Non-DME Part B enrollment for this organization (Texas, Clinic/Group Practice) is due for revalidation by March 31, 2027. Medicare providers and suppliers revalidate their enrollment every 5 years, and medical equipment suppliers every 3 years. Confirm current requirements with your Medicare Administrative Contractor.

How many clinicians bill Medicare through Christopher Merkl MD PA?

According to the CMS Revalidation Reassignment List (October 2026 release), 1 clinician (Neuropsychiatry) reassigns their Medicare billing to Christopher Merkl MD PA. A reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for the clinician's services. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

When was this NPI record last updated?

The NPPES record for Christopher Merkl MD PA was last updated on August 22, 2020. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 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.