Shanika Samarasinghe, M.D.
NPI 1548385511 · Endocrinology, Diabetes & Metabolism Physician · Maywood, IL
Enrolled with Medicare as Practitioner - Endocrinology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Shanika Samarasinghe, M.D. is a Endocrinology, Diabetes & Metabolism Physician provider in Maywood, IL (NPI 1548385511).
Provider details
- NPI number
- 1548385511
- Entity type
- Individual
- Primary specialty
- Endocrinology, Diabetes & Metabolism PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Female
- Sole proprietor
- No
- License
- 036111484 (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
678 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 | 276 | $99 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 163 | $99 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 35 Minutes99232 | 124 | $81 |
| Established Patient Office Or Other Outpatient Visit With High Level of Medical Decision Making, If Using Time, 40 Minutes Or More99215 | 50 | $149 |
| New Patient Office Or Other Outpatient Visit With Moderate Level of Medical Decision Making, If Using Time, 45 Minutes Or More99204 | 29 | $135 |
| Initial Hospital Care With Straightforward Or Low-Level Medical Decision Making, If Using Time, at Least 55 Minutes |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 66 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Levothyroxine Sodium | 603 | 168 |
| Metformin Hclbrand: Metformin Hcl Er | 295 | 94 |
| Semaglutidebrand: Ozempic | 285 | 59 |
| Alendronate Sodium | 257 | 84 |
| Insulin Glargine,hum.rec.anlogbrand: Lantus Solostar | 257 | 85 |
| Metformin Hcl | 239 | 70 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2007-03-20
- Last updated
- 2012-09-26
Frequently asked questions
- What is Shanika Samarasinghe's NPI number?
- Shanika Samarasinghe's National Provider Identifier (NPI) is 1548385511, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Shanika Samarasinghe's specialty?
- Shanika Samarasinghe is listed in the NPPES registry with a primary specialty of Endocrinology, Diabetes & Metabolism Physician (Allopathic & Osteopathic Physicians).
- Where is Shanika Samarasinghe located?
- Shanika Samarasinghe's practice location on file with NPPES is 2160 S 1st Ave, Maywood, IL 60153-3328.
- What is Shanika Samarasinghe's phone number?
- The practice phone number listed in the NPPES registry for Shanika Samarasinghe is (708) 216-9000.
- Does Shanika Samarasinghe accept Medicare?
- Shanika Samarasinghe is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Shanika Samarasinghe's NPI active?
- Yes — Shanika Samarasinghe's NPI (1548385511) is active in the NPPES registry as of the last update on 2012-09-26.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.