DR. REGINALD LAFATE SPEARS (M.D.) – Internal Medicine Physician, NPI 1861485153

DR. REGINALD LAFATE SPEARS (M.D.) is a healthcare provider. based in Long grove, Illinois. specializing in INTERNAL MEDICINE. They hold the professional credentials M.D.. They hold a License No. 036-091992 (IL). The NPI Number for DR. REGINALD LAFATE SPEARS (M.D.) is 1861485153

Main info

Male
Sole Proprietor
33 Years Of Experience
Accepts Medicare Assignment
Name
DR. REGINALD LAFATE SPEARS (M.D.)
NPI
1861485153
Phone
(847) 415-2127
Address
4160 ROUTE 83
Enumeration Date
23 August 2005
Deactivation Date
27 March 2006
Reactivation Date
5 April 2006
Last Update Date
9 December 2009

Doctor Profile

Medical School Name
SOUTHERN ILLINOIS UNIVERSITY SCHOOL OF MEDICINE
Secondary Phone
-
Graduation Year
1993 (33 years ago)
PAC ID
3072417989
Professional Enrollment ID
I20031209000504
Address ID
IL600478034LO4160X207X400
Data current as of
19 May 2026

Profile Insights

NPPES metrics only — not quality of care.

Methodology
Experience54
Completeness75
Years active:20State licenses:1Digital endpointsOther names

8,824 INTERNAL MEDICINE in IL

Provider Addresses for DR. REGINALD LAFATE SPEARS (M.D.)

  • 4160 ROUTE 83

    SUITE 207

    LONG GROVE, IL 60047

    Phone: (847) 415-2127

    Mailing address matches the actual address.

NPPES updates history

No NPPES updates recorded for this provider.

Prescription Activity

Loading prescription activity...

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: 2003-12-09

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
I20031209000504IInternal MedicineILTBD

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
36415Insertion of needle into vein for collection of blood sample345175$0
99213Established patient office or other outpatient visit, 20-29 minutes136103$0
99214Established patient office or other outpatient visit, 30-39 minutes7967$0
99233Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes7912$0
99215Established patient office or other outpatient visit, 40-54 minutes6349$0
View full utilization report →

Insurance plans in this area (ZIP 60047)

Loading plans...

Reviews

All reviews are moderated before publication. Reviews reflect users' opinions; we do not verify the accuracy of individual reviews.

No reviews yet. Be the first to share your experience — your opinion helps families compare providers.

Frequently asked questions

What is the 10-digit NPI for DR. REGINALD LAFATE SPEARS (M.D.)?
DR. REGINALD LAFATE SPEARS (M.D.) — NPI 1861485153 — is the standard way to identify this listing.
Is DR. REGINALD LAFATE SPEARS (M.D.) listed as active for patients and plans?
The listing shows DR. REGINALD LAFATE SPEARS (M.D.) as active in the NPI system.
What taxonomy line describes DR. REGINALD LAFATE SPEARS (M.D.)?
For research purposes, treat DR. REGINALD LAFATE SPEARS (M.D.) as Internal Medicine Physician in this dataset. Clinical services aligned with this taxonomy classification.
What address line appears for DR. REGINALD LAFATE SPEARS (M.D.)?
DR. REGINALD LAFATE SPEARS (M.D.)'s geographic hint is Long Grove, Illinois in our summary view.
Is the information about DR. REGINALD LAFATE SPEARS (M.D.) up to date?
Data updates when providers file changes in NPPES — treat critical facts as "verify if unsure."

Similar Providers

DR. ROBERT J LONGO (MD)

Internal Medicine Physician
3880, Salem Lake Drive, Long Grove, Illinois, 60047, United States
NPI: 1265437230

MAREK FILIPIUK (M.D.)

Internal Medicine Physician
3880, Salem Lake Drive, Long Grove, Illinois, 60047, United States
NPI: 1013981778

RAMALINGAPPA MUKUNDA (M.D.)

Internal Medicine Physician
3880 Salem Lake Dr Ste F
NPI: 1972572675

BEST PRACTICES INPATIENT CARE,LTD.

Internal Medicine Physician
3880, Salem Lake Drive, Long Grove, Lake County, Illinois, 60047, United States
NPI: 1205889359

VISHNU JINDAL (M.D.)

Internal Medicine Physician
3880, Salem Lake Drive, Long Grove, Illinois, 60047, United States
NPI: 1851344766

BEST PRACTICES INPATIENT CARE, LTD.

Internal Medicine Physician
3880, Salem Lake Drive, Long Grove, Illinois, 60047, United States
NPI: 1790739183

JEFFRY W KREAMER (D.O.)

Internal Medicine Physician
3880, Salem Lake Drive, Long Grove, Lake County, Illinois, 60047, United States
NPI: 1225084916

DR. HELEN MACIOROWSKI (M.D.)

Internal Medicine Physician
3880, Salem Lake Drive, Long Grove, Illinois, 60047, United States
NPI: 1992740286

BEST PRACTICES INPATIENT CARE, LTD.

Internal Medicine Physician
22285 N Pepper Rd Ste 302
NPI: 1619913522