Lance Wallace, M.D.
NPI 1538100128 · Internal Medicine Physician · Matteson, IL
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Lance Wallace, M.D. is a Internal Medicine Physician provider in Matteson, IL (NPI 1538100128).
Provider details
- NPI number
- 1538100128
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- 036085478 (IL)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
20 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
1,029 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
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 .
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) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 519 | $132 |
| Hemoglobin A1c Level83036 | 146 | $10 |
| Annual Wellness Visit, Includes a Personalized Prevention Plan of Service (pps), Subsequent VisitG0439 | 117 | $133 |
| Advance Care Planning, First 30 Minutes99497 | 65 | $84 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 62 | $93 |
| Administration of Influenza Virus VaccineG0008 | 57 | $34 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 140 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 948 | 195 |
| Amlodipine Besylate | 735 | 164 |
| Lisinopril | 318 | 59 |
| Potassium Chloride | 304 | 37 |
| Apixabanbrand: Eliquis | 304 | 39 |
| Tamsulosin Hcl | 242 | 42 |
| Losartan Potassium |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$1,808 across 81 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-06-08
- Last updated
- 2021-03-15
- Certified
- 2021-03-15
Frequently asked questions
- What is Lance Wallace's NPI number?
- Lance Wallace's National Provider Identifier (NPI) is 1538100128, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Lance Wallace's specialty?
- Lance Wallace is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Lance Wallace located?
- Lance Wallace's practice location on file with NPPES is 20939 S Cicero Ave, Matteson, IL 60443-1620.
- What is Lance Wallace's phone number?
- The practice phone number listed in the NPPES registry for Lance Wallace is (708) 709-9375.
- Does Lance Wallace accept Medicare?
- Lance Wallace is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Lance Wallace's NPI active?
- Yes — Lance Wallace's NPI (1538100128) is active in the NPPES registry as of the last update on 2021-03-15.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.