Reginald Spears, M.D.
NPI 1861485153 · Internal Medicine Physician · Long Grove, IL
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Reginald Spears, M.D. is a Internal Medicine Physician provider in Long Grove, IL (NPI 1861485153).
Provider details
- NPI number
- 1861485153
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- Yes
- License
- 036-091992 (IL)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
20 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
561 Medicare services, 2024 (ranked within specialty)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Insertion of Needle Into Vein for Collection of Blood Sample36415 | 213 | $9 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 93 | $93 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 50 Minutes99233 | 64 | $121 |
| Annual Wellness Visit, Includes a Personalized Prevention Plan of Service (pps), Subsequent VisitG0439 | 60 | $133 |
| Established Patient Office Or Other Outpatient Visit With High Level of Medical Decision Making, If Using Time, 40 Minutes Or More99215 | 59 | $186 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 97 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 341 | 94 |
| Amlodipine Besylate | 333 | 89 |
| Levothyroxine Sodium | 165 | 39 |
| Carvedilol | 162 | 42 |
| Rosuvastatin Calcium | 151 | 41 |
| Lisinopril | 140 | 38 |
| Hydrochlorothiazide | 138 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2005-08-23
- Last updated
- 2009-12-09
Frequently asked questions
- What is Reginald Spears's NPI number?
- Reginald Spears's National Provider Identifier (NPI) is 1861485153, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Reginald Spears's specialty?
- Reginald Spears is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Reginald Spears located?
- Reginald Spears's practice location on file with NPPES is 4160 Route 83, Long Grove, IL 60047.
- What is Reginald Spears's phone number?
- The practice phone number listed in the NPPES registry for Reginald Spears is (847) 415-2127.
- Does Reginald Spears accept Medicare?
- Reginald Spears is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Reginald Spears's NPI active?
- Yes — Reginald Spears's NPI (1861485153) is active in the NPPES registry as of the last update on 2009-12-09.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.