James Lawler, M.D.
NPI 1821353913 · Internal Medicine Physician · Marion, IL
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
James Lawler, M.D. is a Internal Medicine Physician provider in Marion, IL (NPI 1821353913).
Provider details
- NPI number
- 1821353913
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- 036138280 (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
13 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
1,123 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) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 948 | $120 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 98 | $84 |
| Annual Wellness Visit, Includes a Personalized Prevention Plan of Service (pps), Subsequent VisitG0439 | 30 | $124 |
| Transitional Care Management Services for Problem of High Complexity99496 | 23 | $236 |
| New Patient Office Or Other Outpatient Visit With Moderate Level of Medical Decision Making, If Using Time, 45 Minutes Or More99204 | 13 | $161 |
| Physician Or Allowed Practitioner Certification for Medicare-Covered Home Health Services Under a Home Health Plan of Care (patient Not Present), Including Contacts With Home Health Agency and Review of Reports of Patient Status Required By Physicians and |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 111 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 312 | 82 |
| Amlodipine Besylate | 262 | 66 |
| Levothyroxine Sodium | 261 | 69 |
| Rosuvastatin Calcium | 227 | 82 |
| Pravastatin Sodium | 210 | 60 |
| Hydrochlorothiazide | 192 | 64 |
| Losartan Potassium | 169 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2012-07-05
- Last updated
- 2022-08-19
- Certified
- 2022-08-19
Frequently asked questions
- What is James Lawler's NPI number?
- James Lawler's National Provider Identifier (NPI) is 1821353913, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is James Lawler's specialty?
- James Lawler is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is James Lawler located?
- James Lawler's practice location on file with NPPES is 1129 N Carbon St, Marion, IL 62959-1068.
- What is James Lawler's phone number?
- The practice phone number listed in the NPPES registry for James Lawler is (618) 518-7700.
- Does James Lawler accept Medicare?
- James Lawler is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is James Lawler's NPI active?
- Yes — James Lawler's NPI (1821353913) is active in the NPPES registry as of the last update on 2022-08-19.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.