GRAYCAR CHIROPRACTIC, PC
NPI 1508320888
Chiropractor in Boulder, CO

Q: What is Graycar Chiropractic, PC's NPI number?

The NPI number for Graycar Chiropractic, PC is 1508320888. It was assigned to this organization in the NPPES registry on January 30, 2019.

Q: What is Graycar Chiropractic, PC's specialty?

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

Active since January 30, 2019

3014 BLUFF ST STE 100, BOULDER, CO 80301(720) 406-9447(720) 974-1133 Get Directions Write a Review

NPPES record last updated: January 30, 2019. Verified against the NPPES registry weekly; last sync: October 18, 2026.

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About Graycar Chiropractic, Pc NPPES

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

GRAYCAR CHIROPRACTIC, PC (NPI 1508320888) is a healthcare organization registered as a chiropractor in Boulder, Colorado and active in the NPI registry since January 2019. The organization lists Mark E Graycar, Owner, as its authorized official.

NPPES Registry Identity

NPI1508320888

Entity TypeOrganization

Primary Taxonomy111N00000X

Legal Business NameGRAYCAR CHIROPRACTIC, PC

Location Address3014 BLUFF ST STE 100Boulder, CO 80301-2165

Mailing Address3014 Bluff St Ste 100Boulder, CO 80301-2165 · (720) 406-9447 · Fax (720) 974-1133

Phone(720) 406-9447

Fax(720) 974-1133

Organization SubpartNo

Authorized OfficialMark E GraycarOwner · (720) 406-9447

Enumeration DateJanuary 30, 2019

✔ NPI 1508320888 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyChiropractorChiropractic Providers

Taxonomy Code111N00000X

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.

3014 BLUFF ST STE 100, Boulder, CO 80301

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Graycar Chiropractic, Pc is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Clinicians Billing Medicare Through This Organization

Medicare enrollment records show 1 clinician reassigns Medicare billing to Graycar Chiropractic, PC, which bills Medicare for the services this clinician delivers.

Clinician (1)

Mark Graycar, D.C., D.N.F.T.

Chiropractic

NPI 1013130830

3014 BLUFF ST SUITE 100
Boulder, CO 80301

(720) 406-9447

Same address

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 Graycar Chiropractic, PC's NPI number?

The NPI number for Graycar Chiropractic, PC is 1508320888. It was assigned to this organization in the NPPES registry on January 30, 2019.

Where is Graycar Chiropractic, PC located?

Graycar Chiropractic, PC is located at 3014 Bluff St Ste 100, Boulder, CO 80301. The listed phone number is (720) 406-9447.

What is Graycar Chiropractic, PC's specialty?

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

Is Graycar Chiropractic, PC enrolled in Medicare?

Yes. Graycar Chiropractic, PC is registered in the Medicare PECOS enrollment system.

How many clinicians bill Medicare through Graycar Chiropractic, PC?

According to the CMS Revalidation Reassignment List (October 2026 release), 1 clinician (Chiropractic) reassigns their Medicare billing to Graycar Chiropractic, PC. 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 Graycar Chiropractic, PC was last updated on January 30, 2019. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 7 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.