Shashi Kariyawasam
NPI 1902216088 · Internal Medicine Physician · Danbury, CT
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Shashi Kariyawasam is a Internal Medicine Physician provider in Danbury, CT (NPI 1902216088).
Provider details
- NPI number
- 1902216088
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Sex
- Female
- Sole proprietor
- Yes
- License
- 56670 (CT)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
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
12 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
559 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) |
|---|---|---|
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 35 Minutes99232 | 125 | $75 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 80 | $94 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 50 Minutes99233 | 68 | $114 |
| Visit Complexity Inherent to Evaluation and Management Associated With Medical Care Services That Serve As the Continuing Focal Point for All Needed Health Care Services And/Or With Medical Care Services That Are Part of Ongoing Care Related to a Patient'SG2211 | 62 | $16 |
| Initial Hospital Care With Straightforward Or Low-Level Medical Decision Making, If Using Time, at Least 55 Minutes99222 | 61 | $126 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 25 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Albuterol Sulfatebrand: Albuterol Sulfate Hfa | 133 | 42 |
| Fluticasone/Umeclidin/Vilanterbrand: Trelegy Ellipta | 121 | 19 |
| Umeclidinium Bromidebrand: Incruse Ellipta | 114 | 21 |
| Tiotropium Bromidebrand: Spiriva Respimat | 97 | 21 |
| Fluticasone Propion/Salmeterolbrand: Fluticasone-Salmeterol | 83 | 24 |
| Montelukast Sodium | 64 | 15 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2014-04-29
- Last updated
- 2026-05-14
- Certified
- 2026-05-14
Frequently asked questions
- What is Shashi Kariyawasam's NPI number?
- Shashi Kariyawasam's National Provider Identifier (NPI) is 1902216088, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Shashi Kariyawasam's specialty?
- Shashi Kariyawasam is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Shashi Kariyawasam located?
- Shashi Kariyawasam's practice location on file with NPPES is 24 Hospital Ave, Danbury, CT 06810-6099.
- What is Shashi Kariyawasam's phone number?
- The practice phone number listed in the NPPES registry for Shashi Kariyawasam is (203) 770-4475.
- Does Shashi Kariyawasam accept Medicare?
- Shashi Kariyawasam is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Shashi Kariyawasam's NPI active?
- Yes — Shashi Kariyawasam's NPI (1902216088) is active in the NPPES registry as of the last update on 2026-05-14.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.