Susanthi Gunadasa, MD, MBBS
NPI 1639331861 · Internal Medicine Physician · Hackensack, NJ
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Susanthi Gunadasa, MD, MBBS is a Internal Medicine Physician provider in Hackensack, NJ (NPI 1639331861).
Provider details
- NPI number
- 1639331861
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD, MBBS
- Sex
- Female
- Sole proprietor
- Yes
- License
- 25MA09346600 (NJ)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
17 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
2,407 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
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 .
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 Nursing Facility Care With Moderate Level of Medical Decision Making, Per Day, If Using Time, at Least 30 Minutes99309 | 1,100 | $117 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 50 Minutes99233 | 357 | $126 |
| Residence Visit for Established Patient With Moderate Level of Medical Decision Making, Per Day, If Using Time, at Least 40 Minutes99349 | 236 | $137 |
| Initial Nursing Facility Care With High Level of Medical Decision Making, Per Day, If Using Time, 50 Minutes Or More99306 | 143 | $196 |
| Residence Visit for Established Patient With Low Level of Medical Decision Making, Per Day, If Using Time, at Least 30 Minutes99348 | 95 | $83 |
| Physician Or Allowed Practitioner Certification for Medicare-Covered Home Health Services Under a Home Health Plan of Care (patient Not Present), Including Contacts With Home Health Agency and Review of Reports of Patient Status Required By Physicians and |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 128 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 566 | 101 |
| Amlodipine Besylate | 381 | 75 |
| Divalproex Sodium | 321 | 50 |
| Furosemide | 306 | 61 |
| Apixabanbrand: Eliquis | 256 | 46 |
| Donepezil Hcl | 251 | 41 |
| Levothyroxine Sodium | 250 | 60 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$82 across 5 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Registry dates
- Enumerated
- 2008-06-29
- Last updated
- 2013-08-29
Frequently asked questions
- What is Susanthi Gunadasa's NPI number?
- Susanthi Gunadasa's National Provider Identifier (NPI) is 1639331861, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Susanthi Gunadasa's specialty?
- Susanthi Gunadasa is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Susanthi Gunadasa located?
- Susanthi Gunadasa's practice location on file with NPPES is 30 Prospect Ave, Hackensack, NJ 07601-1914.
- What is Susanthi Gunadasa's phone number?
- The practice phone number listed in the NPPES registry for Susanthi Gunadasa is (551) 996-1131.
- Does Susanthi Gunadasa accept Medicare?
- Susanthi Gunadasa is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Susanthi Gunadasa's NPI active?
- Yes — Susanthi Gunadasa's NPI (1639331861) is active in the NPPES registry as of the last update on 2013-08-29.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.