Susana Mascarell, M.D
NPI 1700831328 · Endocrinology, Diabetes & Metabolism Physician · Chicago, IL
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Susana Mascarell, M.D is a Endocrinology, Diabetes & Metabolism Physician provider in Chicago, IL (NPI 1700831328).
Provider details
- NPI number
- 1700831328
- Entity type
- Individual
- Primary specialty
- Endocrinology, Diabetes & Metabolism PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D
- Sex
- Female
- Sole proprietor
- No
- License
- 036104655 (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
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
69 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 | 55 | $102 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 14 | $69 |
Typical Medicare-allowed amounts for these services range $69–$102 (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 · 9 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Levothyroxine Sodium | 29 | 16 |
| Dulaglutidebrand: Trulicity | 23 | — |
| Ergocalciferol (vitamin D2)brand: Vitamin D2 | 15 | — |
| Insulin Glargine,hum.rec.anlogbrand: Basaglar Kwikpen U-100 | 14 | — |
| Insulin Aspart (niacinamide)brand: Fiasp Flextouch | 14 | — |
| Empagliflozinbrand: Jardiance | 14 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-05-23
- Last updated
- 2021-04-27
- Certified
- 2021-04-27
Frequently asked questions
- What is Susana Mascarell's NPI number?
- Susana Mascarell's National Provider Identifier (NPI) is 1700831328, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Susana Mascarell's specialty?
- Susana Mascarell is listed in the NPPES registry with a primary specialty of Endocrinology, Diabetes & Metabolism Physician (Allopathic & Osteopathic Physicians).
- Where is Susana Mascarell located?
- Susana Mascarell's practice location on file with NPPES is 1901 W Harrison St, Chicago, IL 60612-3714.
- What is Susana Mascarell's phone number?
- The practice phone number listed in the NPPES registry for Susana Mascarell is (312) 864-4665.
- Does Susana Mascarell accept Medicare?
- Susana Mascarell is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Susana Mascarell's NPI active?
- Yes — Susana Mascarell's NPI (1700831328) is active in the NPPES registry as of the last update on 2021-04-27.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.