ROBERT JAMES GREGG (D.C.) – Chiropractor, NPI 1083774947

ROBERT JAMES GREGG (D.C.) is a healthcare provider. based in Garden city, Michigan. specializing in CHIROPRACTIC. They hold the professional credentials D.C.. They hold a License No. 2301002537 (MI). The NPI Number for ROBERT JAMES GREGG (D.C.) is 1083774947

Main info

Male
55 Years Of Experience
Accepts Medicare Assignment
Name
ROBERT JAMES GREGG (D.C.)
NPI
1083774947
Phone
(734) 525-8422
Address
1647 INKSTER RD
Enumeration Date
11 December 2006
Last Update Date
8 July 2007

Doctor Profile

Medical School Name
LOGAN COLLEGE OF CHIROPRACTIC
Secondary Phone
7345258422
Graduation Year
1971 (55 years ago)
PAC ID
6305801192
Group Practice PAC ID
9133184922
Professional Enrollment ID
I20050829000267
Address ID
MI481353086GA1647XRDXX300
Data current as of
19 May 2026

Profile Insights

NPPES metrics only — not quality of care.

Methodology
Experience52
Completeness75
Years active:19State licenses:1Digital endpointsOther names

1,869 CHIROPRACTIC in MI

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Provider Addresses for ROBERT JAMES GREGG (D.C.)

  • Inkster Road, Garden City, Wayne County, Michigan, 48134, United States

    GARDEN CITY, MI 481353086

    Phone: (734) 525-8422

    Fax: (723) 525-5421

    Mailing address matches the actual address.

NPPES updates history

No NPPES updates recorded for this provider.

Prescription Activity

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Open Payments (CMS)

No Open Payments data available for this provider.

This can happen when there are no reportable CMS Open Payments records.

Medicare Enrollment & Revalidation

Source: CMS public data · Not endorsed by CMS ·

Educational use only—not medical, billing, or legal advice.

PECOS enrollment status

Participating (accepts Medicare assignment)

Enrollment effective: 2005-08-29

PECOS data refreshed: 2026-05-27

Medicare revalidation (CMS due date list)

Due date not assigned yet

CMS is tracking this Medicare enrollment for revalidation, but has not published a due date.

Enrollment records

1

Earliest due date

Not assigned (TBD)

CMS data updated

2026-06-01

Revalidation progress

  1. Medicare enrolled
  2. On CMS revalidation list
  3. Due date assigned
  4. Revalidate in PECOS

CMS enrollment records

Enrollment IDTypeSpecialtyStateDue date
I20050829000267IChiropracticMITBD

What to do next

  • No action required while the due date shows TBD.
  • Check the CMS Revalidation Lookup Tool periodically — CMS updates the list about every 60 days.
  • Do not submit a revalidation application in PECOS until CMS publishes a concrete due date.

Verify on CMS Revalidation Lookup Tool

Prepare CMS-855 application → · Look up this NPI in PECOS → · Verify on CMS PECOS

Medicare Utilization (FFS)

Source: CMS public data · Not endorsed by CMS · Beneficiary counts under 11 are suppressed in source data ·

Educational use only—not medical, billing, or legal advice.

Top Medicare procedures (2023) · refreshed 2026-05-27

HCPCSDescriptionServicesBeneficiariesMedicare allowed
98941Chiropractic manipulative treatment, 3-4 spinal regions20215$0
View full utilization report →

Insurance plans in this area (ZIP 48135)

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Provider's Procedures

ROBERT JAMES GREGG (D.C.) performs procedures in CHIROPRACTIC. See the list of HCPCS codes below.
SpecialtyPractice State
HCPCS Code
Description
Service Count
Beneficiary Count
CHIROPRACTICMI98940Chiropractic manipulative treatment, 1-2 spinal regions24631

Group practice members

Group practice members are other physicians who share the same Group Practice PAC ID with this doctor. When doctors form a group practice and register in PECOS as a single entity, they receive a shared identification number. This table lists all providers in the same group practice.
PAC ID: 9133184922View full group profile
NameSpecialtyState
-MI

Reviews

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Frequently asked questions

Where can patients find ROBERT JAMES GREGG (D.C.)'s NPI?
You can confirm ROBERT JAMES GREGG (D.C.) with NPI 1083774947; it appears in the national provider directory.
Is ROBERT JAMES GREGG (D.C.)'s enrollment marked active?
An active flag here means the NPI record is not in a deactivated state.
What does ROBERT JAMES GREGG (D.C.) treat or focus on?
Patients typically see ROBERT JAMES GREGG (D.C.) under the specialty Chiropractor. Clinical services aligned with this taxonomy classification.
Where does public data place ROBERT JAMES GREGG (D.C.)?
The snapshot lists Garden City, Michigan for ROBERT JAMES GREGG (D.C.); download NPPES for the complete set.
What if Garden City, Michigan seems incomplete?
Street-level detail can be omitted — open the full address list for this NPI.

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