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DR. ROBERT SIDNEY SIMPSON DC
NPI 1174600951
Chiropractor in Ada, OK

Active since November 01, 2006
217 N MISSISSIPPI AVE, ADA, OK 74820(580) 332-2332(580) 332-5593 Get Directions Write a Review

NPPES record last updated: July 8, 2007. Verified against the NPPES registry weekly; last sync: November 01, 2026.

About Dr. Robert Sidney Simpson Dc NPPES

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

DR. ROBERT SIDNEY SIMPSON DC (NPI 1174600951) is an individual chiropractor in Ada, Oklahoma, licensed in Oklahoma (3482) and active in the NPI registry since November 2006. He is a graduate of Other (1998).

NPPES Registry Identity

NPI1174600951
Entity TypeIndividualMale
Primary Taxonomy111N00000X
Provider Legal NameDR. ROBERT SIDNEY SIMPSONCredential: DC
Location Address217 N MISSISSIPPI AVEAda, OK 74820-5236
Mailing Address217 N Mississippi AveAda, OK 74820-5236 · (580) 332-2332 · Fax (580) 332-5593
Phone(580) 332-2332
Fax(580) 332-5593
Sole ProprietorNo
Medical School CMSOtherGraduated 1998
Enumeration DateNovember 1, 2006
Last NPPES UpdateJuly 8, 2007
✔ NPI 1174600951 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyChiropractorChiropractic Providers
Taxonomy Code111N00000X
License✔ Licensed in OK · 3482
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.
217 N MISSISSIPPI AVE, Ada, OK 74820
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Other Identifiers 1

Medicare ID-Type Unspecified242412201OK

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Blue Cross and Blue Shield of Oklahoma, Mending Health, 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 (PECOS)

Dr. Robert Sidney Simpson Dc is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

PECOS PAC ID244227312
PECOS Enrollment IDI20040429001132

Medicare Billing Reassignment

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

Simpson Family Clinic
0.2 mi
Chiropractor
217 N MISSISSIPPI AVE
Ada, OK 74820
  • Reassigned Medicare billing, Oklahoma enrollment
NPI 1588858948 (580) 332-2332

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.
146 services47 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.

SIMPSON FAMILY CLINIC
Chiropractor
217 N MISSISSIPPI AVE
ADA, OK 74820
Pontotoc County (580) 332-2332

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 Robert Simpson's NPI number?

The NPI number for Robert Simpson is 1174600951. It was assigned to this individual provider in the NPPES registry on November 1, 2006.

Where is Robert Simpson located?

Robert Simpson practices at 217 N Mississippi Ave, Ada, OK 74820. The listed phone number is (580) 332-2332.

What is Robert Simpson's specialty?

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

Is Robert Simpson enrolled in Medicare?

Yes. Robert Simpson is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Robert Simpson's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Robert Simpson reassigns Medicare benefits to Simpson Family Clinic (Ada, OK). 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 Robert Simpson's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Robert Simpson accept?

Health plans from Blue Cross and Blue Shield of Oklahoma, Mending Health and Providence Health Plan list Robert Simpson 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 Robert Simpson was last updated on July 8, 2007. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 19 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.