Doctor profile · Federal record

Dr. Gnana Sunderam, MD

Internal Medicine Physician (CMS: Internal Medicine) · Pulmonary Disease Physician · East Orange, NJ

  • NPI 1164446761
  • Accepts Medicare
  • 40 yrs in practice
  • Male
  • Solo practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
310 Central Ave, Suite 205
East Orange, NJ 070182835
(973) 266-9111
fax (973) 266-1227

Credentials & registration

NPPES · NUCC
NPI registered
July 2006 — 20 yrs on file
Profile last updated
June 10, 2024
Year of graduation
1986 — 40 yrs since
Specialty taxonomy
207R00000X — NUCC code
State license (1)
New Jersey #25MA0429800
Medicaid
NJ #1264508

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1164446761. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
2,416
Distinct HCPCS
10
Medicare allowed
$259,088
HCPCS Description Services Patients Avg allowed
99308 Subsequent nursing facility care with straightforward level of medical decision making, per day, if using time, at least 15 minutes 651 67 $81
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 449 100 $85
99214 Established patient office or other outpatient visit, 30-39 minutes 366 72 $136
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 230 76 $128
82962 Blood glucose (sugar) test performed by hand-held instrument 186 56 $3
99291 Critical care, first 30-74 minutes 116 33 $227
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 112 82 $186
99309 Subsequent nursing facility care with moderate level of medical decision making, per day, if using time, at least 30 minutes 99 36 $115
99215 Established patient office or other outpatient visit, 40-54 minutes 82 54 $196
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 30 26 $140

In context: peer comparison

Among 11 peers in East Orange Internal Medicine Physician, average services per provider: 148. This provider delivers 16× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$139
Transactions
5
Manufacturers
3
Payer (manufacturer) Industry Txns Amount
Dexcom, INC. 2 $91.70
GlaxoSmithKline, LLC. 2 $33.88
Amgen INC. 1 $13.69

By nature of payment

Food and Beverage
$139

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
4,318
Patients
1,049
Total drug cost
$190,959
Drug Type Claims Patients Total cost
Amlodipine Besylate Generic 616 127 $5,644
Atorvastatin Calcium Generic 533 138 $7,457
Montelukast Sodium Generic 470 124 $7,253
Albuterol Sulfate Hfa (Albuterol Sulfate) Brand 363 110 $14,906
Pantoprazole Sodium Generic 318 78 $4,915
Metoprolol Tartrate Generic 254 50 $2,069
Gabapentin Generic 239 48 $3,958
Furosemide Generic 231 69 $1,222
Prednisone Generic 225 89 $1,033
Clopidogrel (Clopidogrel Bisulfate) Brand 199 41 $2,652

Frequently asked questions

Auto-generated from federal data
What is Dr. Gnana Sunderam's medical specialty?
Dr. Gnana Sunderam practices Internal Medicine Physician in East Orange, NJ.
Where does Dr. Gnana Sunderam practice?
Dr. Gnana Sunderam practices at 310 Central Ave, East Orange, NJ 070182835. Office phone: 9732669111.
What is Dr. Gnana Sunderam's NPI?
Dr. Gnana Sunderam's National Provider Identifier (NPI) is 1164446761, issued by NPPES.
Does Dr. Gnana Sunderam accept Medicare assignment?
Yes. Dr. Gnana Sunderam accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Gnana Sunderam commonly perform?
Top Medicare-reported procedures in 2023: Subsequent nursing facility care with straightforward level of medical decision making (HCPCS 99308); Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232); Established patient office or other outpatient visit (HCPCS 99214). Source: CMS Medicare Physician & Other Practitioners file.