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DR. LARRY A MARKLIN DC
NPI 1033114251
Chiropractor in Denison, TX

Active since June 15, 2005Accepts Medicare Assignment
618 CLEVE COLE RD, DENISON, TX 75021(903) 893-4111(903) 893-1914 Get Directions Write a Review

NPPES record last updated: March 4, 2025. Verified against the NPPES registry weekly; last sync: November 01, 2026.

About Dr. Larry A Marklin Dc NPPES

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

DR. LARRY A MARKLIN DC (NPI 1033114251) is an individual chiropractor in Denison, Texas, licensed in Texas (4746) and active in the NPI registry since June 2005. He is a graduate of Other (1987).

NPPES Registry Identity

NPI1033114251
Entity TypeIndividualMale
Primary Taxonomy111N00000X
Provider Legal NameDR. LARRY A MARKLINCredential: DC
Location Address618 CLEVE COLE RDDenison, TX 75021-4040
Mailing Address618 Cleve Cole RdDenison, TX 75021-4040 · (903) 893-4111 · Fax (903) 893-1914
Phone(903) 893-4111
Fax(903) 893-1914
Sole ProprietorNo
Medical School CMSOtherGraduated 1987
Enumeration DateJune 15, 2005
Last NPPES UpdateMarch 4, 2025
NPPES CertifiedMarch 4, 2025
✔ NPI 1033114251 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyChiropractorChiropractic Providers
Taxonomy Code111N00000X
License✔ Licensed in TX · 4746
Definition
A provider qualified by a Doctor of Chiropractic (D.C.), licensed by the State and who practices chiropractic medicine -that discipline within the healing arts which deals with the nervous system and its relationship to the spinal column and its interrelationship with other body systems.
Also ListedChiropractor · InternistTaxonomy 111NI0900X · License 4746 (TX)
618 CLEVE COLE RD, Denison, TX 75021
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Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Cigna Healthcare, Providence Health Plan.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Dr. Larry A Marklin Dc 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 ID5698934057
PECOS Enrollment IDI20120321000216

Medicare Billing Reassignment

Medicare enrollment records show Larry Marklin reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Haarmark, PA
Same address
Chiropractor
618 CLEVE COLE RD
Denison, TX 75021
  • Reassigned Medicare billing, Texas enrollment
NPI 1376672501 (903) 893-4111

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

Areas of Expertise CMS Part B claims

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Chiropractic manipulative treatment, 1-2 spinal regions 98940
Chiropractic manipulative treatment focuses on adjusting your spine to improve your body's physical function. In this service, a chiropractor applies controlled force to 1-2 spinal regions. This helps to restore mobility and alleviate discomfort in those areas.
241 services29 patients

Other Providers at the Same Location NPPES

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

HAARMARK, PA
Chiropractor
618 CLEVE COLE RD
DENISON, TX 75021
Grayson County (903) 893-4111

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 Larry Marklin's NPI number?

The NPI number for Larry Marklin is 1033114251. It was assigned to this individual provider in the NPPES registry on June 15, 2005.

Where is Larry Marklin located?

Larry Marklin practices at 618 Cleve Cole Rd, Denison, TX 75021. The listed phone number is (903) 893-4111.

What is Larry Marklin's specialty?

The primary specialty registered for this NPI is Chiropractor with taxonomy code 111N00000X.

Is Larry Marklin enrolled in Medicare?

Yes. Larry Marklin 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.

Which organization bills Medicare for Larry Marklin's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Larry Marklin reassigns Medicare benefits to Haarmark, PA (Denison, TX). The 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 Larry Marklin's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Larry Marklin accept?

Health plans from Cigna Healthcare and Providence Health Plan list Larry Marklin 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 Larry Marklin was last updated on March 4, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 20 months 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.