Susan Thomas, MD
NPI 1750440251 · Internal Medicine Physician · Vernon Hills, IL
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Susan Thomas, MD is a Internal Medicine Physician provider in Vernon Hills, IL (NPI 1750440251).
Provider details
- NPI number
- 1750440251
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- No
- License
- 036-107542 (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
19 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
817 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) |
|---|---|---|
| Annual Wellness Visit, Includes a Personalized Prevention Plan of Service (pps), Subsequent VisitG0439 | 223 | $137 |
| Prolonged Preventive Service(s) (beyond the Typical Service Time of the Primary Procedure), in the Office Or Other Outpatient Setting Requiring Direct Patient Contact Beyond the Usual Service; First 30 Minutes (list Separately in Addition to Code for PreveG0513 | 197 | $62 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 171 | $102 |
| Routine Electrocardiogram (ecg) Using at Least 12 Leads With Interpretation and Report Only93010 | 109 | $8 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 32 | $72 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 92 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 515 | 169 |
| Levothyroxine Sodium | 295 | 94 |
| Amlodipine Besylate | 248 | 78 |
| Losartan Potassium | 226 | 82 |
| Alendronate Sodium | 167 | 59 |
| Omeprazole | 133 | 44 |
| Lisinopril | 132 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-12-08
- Last updated
- 2021-01-11
- Certified
- 2021-01-11
Frequently asked questions
- What is Susan Thomas's NPI number?
- Susan Thomas's National Provider Identifier (NPI) is 1750440251, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Susan Thomas's specialty?
- Susan Thomas is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Susan Thomas located?
- Susan Thomas's practice location on file with NPPES is 225 N Milwaukee Ave, Vernon Hills, IL 60061-4304.
- What is Susan Thomas's phone number?
- The practice phone number listed in the NPPES registry for Susan Thomas is (847) 941-7600.
- Does Susan Thomas accept Medicare?
- Susan Thomas is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Susan Thomas's NPI active?
- Yes — Susan Thomas's NPI (1750440251) is active in the NPPES registry as of the last update on 2021-01-11.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.