Ravin Defonseka, MD
NPI 1205413085 · Internal Medicine Physician · Stamford, CT
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Ravin Defonseka, MD is a Internal Medicine Physician provider in Stamford, CT (NPI 1205413085).
Provider details
- NPI number
- 1205413085
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- DR.0073481 (CO)
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
5 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
293 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 50 Minutes99233 | 123 | $117 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 35 Minutes99232 | 79 | $75 |
| Hospital Discharge Day Management, More Than 30 Minutes99239 | 37 | $113 |
| Initial Hospital Care With Moderate Level of Medical Decision Making, If Using Time, at Least 75 Minutes99223 | 35 | $170 |
| Hospital Discharge Day Management, 30 Minutes Or Less99238 | 19 | $80 |
Typical Medicare-allowed amounts for these services range $75–$170 (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 · 8 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 30 | 12 |
| Metformin Hcl | 17 | — |
| Empagliflozinbrand: Jardiance | 16 | — |
| Lisinopril | 16 | — |
| Losartan Potassium | 13 | — |
| Omeprazole | 13 | — |
| Apixaban |
Practice location
Mailing address
Registry dates
- Enumerated
- 2021-03-26
- Last updated
- 2024-08-06
- Certified
- 2024-08-06
Frequently asked questions
- What is Ravin Defonseka's NPI number?
- Ravin Defonseka's National Provider Identifier (NPI) is 1205413085, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Ravin Defonseka's specialty?
- Ravin Defonseka is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Ravin Defonseka located?
- Ravin Defonseka's practice location on file with NPPES is 1 Hospital Plz, Stamford, CT 06902-3602.
- What is Ravin Defonseka's phone number?
- The practice phone number listed in the NPPES registry for Ravin Defonseka is (203) 276-7147.
- Does Ravin Defonseka accept Medicare?
- Ravin Defonseka is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Ravin Defonseka's NPI active?
- Yes — Ravin Defonseka's NPI (1205413085) is active in the NPPES registry as of the last update on 2024-08-06.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.