Sabaratnam Shanmugananthan, MD
NPI 1902827736 · Internal Medicine Physician · Brooklyn, NY
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Sabaratnam Shanmugananthan, MD is a Internal Medicine Physician provider in Brooklyn, NY (NPI 1902827736).
Provider details
- NPI number
- 1902827736
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 214905 (NY)
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
19 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
289 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 Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 50 Minutes99233 | 139 | $132 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 35 Minutes99232 | 110 | $88 |
| Hospital Discharge Day Management, More Than 30 Minutes99239 | 40 | $127 |
Typical Medicare-allowed amounts for these services range $88–$132 (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 · 15 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 47 | 43 |
| Metoprolol Succinate | 36 | 22 |
| Amlodipine Besylate | 31 | 24 |
| Pantoprazole Sodium | 28 | 25 |
| Tamsulosin Hcl | 24 | 19 |
| Nifedipinebrand: Nifedipine Er | 23 | 20 |
| Losartan Potassium |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$457 across 19 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
- 2006-07-21
- Last updated
- 2007-07-08
Frequently asked questions
- What is Sabaratnam Shanmugananthan's NPI number?
- Sabaratnam Shanmugananthan's National Provider Identifier (NPI) is 1902827736, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Sabaratnam Shanmugananthan's specialty?
- Sabaratnam Shanmugananthan is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Sabaratnam Shanmugananthan located?
- Sabaratnam Shanmugananthan's practice location on file with NPPES is 1545 Atlantic Ave, Brooklyn, NY 11213-1122.
- What is Sabaratnam Shanmugananthan's phone number?
- The practice phone number listed in the NPPES registry for Sabaratnam Shanmugananthan is (800) 376-5566.
- Does Sabaratnam Shanmugananthan accept Medicare?
- Sabaratnam Shanmugananthan is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Sabaratnam Shanmugananthan's NPI active?
- Yes — Sabaratnam Shanmugananthan's NPI (1902827736) is active in the NPPES registry as of the last update on 2007-07-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.