Susan Nelson, M.D.
NPI 1144208612 · Internal Medicine Physician · Buffalo Grove, IL
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Susan Nelson, M.D. is a Internal Medicine Physician provider in Buffalo Grove, IL (NPI 1144208612).
Provider details
- NPI number
- 1144208612
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Female
- Sole proprietor
- No
- License
- 036076434 (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
329 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 | 157 | $134 |
| Annual Wellness Visit, Includes a Personalized Prevention Plan of Service (pps), Subsequent VisitG0439 | 82 | $137 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 52 | $95 |
| Administration of Influenza Virus VaccineG0008 | 27 | $33 |
| Routine Electrocardiogram (ecg) Using at Least 12 Leads With Interpretation and Report93000 | 11 | $15 |
Typical Medicare-allowed amounts for these services range $15–$137 (2024). The Medicare-allowed amount is what Medicare recognizes for a service under fee-for-service — a reference figure for 2024, and not what you would be billed. Medicare Part B covers roughly an eighth of all NPIs (65+ skew); services with fewer than 11 beneficiaries are suppressed by CMS. Source: CMS Medicare Physician & Other Practitioners, by Provider & Service.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 43 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 296 | 78 |
| Lisinopril | 168 | 39 |
| Levothyroxine Sodium | 128 | 29 |
| Amlodipine Besylate | 120 | 28 |
| Losartan Potassium | 117 | 33 |
| Hydrochlorothiazide | 107 | 27 |
| Metformin Hcl |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$79 across 1 record (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
- 2006-01-05
- Last updated
- 2021-10-05
- Certified
- 2021-10-05
Frequently asked questions
- What is Susan Nelson's NPI number?
- Susan Nelson's National Provider Identifier (NPI) is 1144208612, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Susan Nelson's specialty?
- Susan Nelson is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Susan Nelson located?
- Susan Nelson's practice location on file with NPPES is 15 S Mchenry Rd, Buffalo Grove, IL 60089-6705.
- What is Susan Nelson's phone number?
- The practice phone number listed in the NPPES registry for Susan Nelson is (847) 618-0351.
- Does Susan Nelson accept Medicare?
- Susan Nelson is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Susan Nelson's NPI active?
- Yes — Susan Nelson's NPI (1144208612) is active in the NPPES registry as of the last update on 2021-10-05.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.