Louis Philipson
NPI 1093877540 · Endocrinology, Diabetes & Metabolism Physician · Chicago, IL
Enrolled with Medicare as Practitioner - Endocrinology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Louis Philipson is a Endocrinology, Diabetes & Metabolism Physician provider in Chicago, IL (NPI 1093877540).
Provider details
- NPI number
- 1093877540
- Entity type
- Individual
- Primary specialty
- Endocrinology, Diabetes & Metabolism PhysicianAllopathic & Osteopathic Physicians
- Sex
- Male
- Sole proprietor
- No
- License
- 036079044 (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
256 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) |
|---|---|---|
| Continuous Monitoring of Blood Sugar Level in Tissue Fluid Using Sensor Under Skin With Interpretation and Report95251 | 109 | $38 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 103 | $107 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 29 | $72 |
| Initial Hospital Care With Straightforward Or Low-Level Medical Decision Making, If Using Time, at Least 55 Minutes99222 | 15 | $145 |
Typical Medicare-allowed amounts for these services range $38–$145 (2024). The Medicare-allowed amount is what Medicare recognizes for a service under fee-for-service — a reference figure for 2024, not a price quote 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 · 24 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Tirzepatidebrand: Mounjaro | 73 | 11 |
| Metformin Hcl | 49 | 17 |
| Insulin Pump Cart,auto,bt,g6/7brand: Omnipod 5 Dexg7g6 Pods (gen 5) | 45 | — |
| Pen Needle, Diabeticbrand: Nano 2nd Gen Pen Needle | 41 | 17 |
| Insulin Lisprobrand: Humalog | 40 | 13 |
| Insulin Glargine,hum.rec.anlogbrand: Lantus Solostar | 39 | 20 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-12-14
- Last updated
- 2022-10-24
Frequently asked questions
- What is Louis Philipson's NPI number?
- Louis Philipson's National Provider Identifier (NPI) is 1093877540, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Louis Philipson's specialty?
- Louis Philipson is listed in the NPPES registry with a primary specialty of Endocrinology, Diabetes & Metabolism Physician (Allopathic & Osteopathic Physicians).
- Where is Louis Philipson located?
- Louis Philipson's practice location on file with NPPES is 5841 S Maryland Ave, Chicago, IL 60637-1443.
- What is Louis Philipson's phone number?
- The practice phone number listed in the NPPES registry for Louis Philipson is (888) 824-0200.
- Does Louis Philipson accept Medicare?
- Louis Philipson is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Louis Philipson's NPI active?
- Yes — Louis Philipson's NPI (1093877540) is active in the NPPES registry as of the last update on 2022-10-24.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.