Gnana Sunderam, MD
NPI 1164446761 · Internal Medicine Physician · East Orange, NJ
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Gnana Sunderam, MD is a Internal Medicine Physician provider in East Orange, NJ (NPI 1164446761).
Provider details
- NPI number
- 1164446761
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- Yes
- License
- 25MA0429800 (NJ)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
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
2,452 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 Straightforward Level of Medical Decision Making, Per Day, If Using Time, 20 Minutes Or More99308 | 1,097 | $80 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 249 | $138 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 35 Minutes99232 | 234 | $83 |
| Subsequent Nursing Facility Care With Moderate Level of Medical Decision Making, Per Day, If Using Time, at Least 30 Minutes99309 | 226 | $116 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 50 Minutes99233 | 146 | $125 |
| Blood Glucose (sugar) Test Performed By Hand-Held Instrument |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 143 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Amlodipine Besylate | 481 | 104 |
| Atorvastatin Calcium | 459 | 112 |
| Montelukast Sodium | 338 | 101 |
| Albuterol Sulfatebrand: Albuterol Sulfate Hfa | 324 | 108 |
| Pantoprazole Sodium | 242 | 52 |
| Prednisone | 239 | 114 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$139 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
- 2006-07-27
- Last updated
- 2024-06-10
- Certified
- 2024-06-10
Frequently asked questions
- What is Gnana Sunderam's NPI number?
- Gnana Sunderam's National Provider Identifier (NPI) is 1164446761, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Gnana Sunderam's specialty?
- Gnana Sunderam is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Gnana Sunderam located?
- Gnana Sunderam's practice location on file with NPPES is 310 Central Ave, East Orange, NJ 07018-2835.
- What is Gnana Sunderam's phone number?
- The practice phone number listed in the NPPES registry for Gnana Sunderam is (973) 266-9111.
- Does Gnana Sunderam accept Medicare?
- Gnana Sunderam is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Gnana Sunderam's NPI active?
- Yes — Gnana Sunderam's NPI (1164446761) is active in the NPPES registry as of the last update on 2024-06-10.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.