Susan Alt, MD
NPI 1255384277 · Internal Medicine Physician · Chicago, IL
Susan Alt, MD is a Internal Medicine Physician provider in Chicago, IL (NPI 1255384277).
Provider details
- NPI number
- 1255384277
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- No
- License
- 036107356 (IL)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
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
114 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 | 33 | $8 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 31 | $136 |
| Routine Electrocardiogram (ecg) Using at Least 12 Leads With Interpretation and Report93000 | 23 | $15 |
| Annual Wellness Visit, Includes a Personalized Prevention Plan of Service (pps), Subsequent VisitG0439 | 15 | $139 |
| Test for Hearing Various Pitches Using Earphone92552 | 12 | $40 |
Typical Medicare-allowed amounts for these services range $8–$139 (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 · 10 distinct drugs on file.
| Drug | Part D claims (2024) |
|---|---|
| Atorvastatin Calcium | 30 |
| Amlodipine Besylate | 24 |
| Rosuvastatin Calcium | 22 |
| Levothyroxine Sodiumbrand: Synthroid | 19 |
| Levothyroxine Sodium | 18 |
| Tamsulosin Hcl | 14 |
| Losartan Potassium | 14 |
| Lisinopril | 12 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-05-19
- Last updated
- 2025-05-28
Frequently asked questions
- What is Susan Alt's NPI number?
- Susan Alt's National Provider Identifier (NPI) is 1255384277, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Susan Alt's specialty?
- Susan Alt is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Susan Alt located?
- Susan Alt's practice location on file with NPPES is Andersonville Internal Medicine, Chicago, IL 60640.
- What is Susan Alt's phone number?
- The practice phone number listed in the NPPES registry for Susan Alt is (773) 500-0246.
- Is Susan Alt's NPI active?
- Yes — Susan Alt's NPI (1255384277) is active in the NPPES registry as of the last update on 2025-05-28.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.