Doctor profile · Federal record

Dr. Susanthi Gunadasa, MD, MBBS

Internal Medicine Physician (CMS: Internal Medicine) · Hackensack, NJ

  • NPI 1639331861
  • Accepts Medicare
  • MIPS 76.2 / 100 · 2023
  • 21 yrs in practice
  • Female
  • Solo practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
30 Prospect Ave
Hackensack, NJ 076011914
(551) 996-1131

Credentials & registration

NPPES · NUCC
NPI registered
June 2008 — 18 yrs on file
Profile last updated
August 29, 2013
Year of graduation
2005 — 21 yrs since
Specialty taxonomy
207R00000X — NUCC code
State license (1)
New Jersey #25MA09346600

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1639331861. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
2,582
Distinct HCPCS
10
Medicare allowed
$337,106
HCPCS Description Services Patients Avg allowed
99309 Subsequent nursing facility care with moderate level of medical decision making, per day, if using time, at least 30 minutes 885 144 $118
99349 Residence visit for established patient with moderate level of medical decision making, per day, if using time, at least 40 minutes 384 99 $140
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 377 78 $130
99306 Initial nursing facility care with high level of medical decision making, per day, if using time, at least 45 minutes 158 126 $200
99348 Residence visit for established patient with low level of medical decision making, per day, if using time, at least 30 minutes 85 51 $83
99308 Subsequent nursing facility care with straightforward level of medical decision making, per day, if using time, at least 15 minutes 81 28 $82
99497 Advance care planning, first 30 minutes 81 39 $91
99239 Hospital discharge day management, more than 30 minutes 74 66 $126
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 68 63 $189
G0180 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 51 44 $59

In context: peer comparison

Among 28 peers in this city , average services per provider: 127. This provider delivers 20× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$82
Transactions
5
Manufacturers
3
Payer (manufacturer) Industry Txns Amount
Otsuka America Pharmaceutical, Inc. 3 $45.73
Smith+Nephew, Inc. 1 $22.72
Lundbeck LLC 1 $13.91

By nature of payment

Food and Beverage
$82

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
3,917
Patients
664
Total drug cost
$160,953
Drug Type Claims Patients Total cost
Atorvastatin Calcium Generic 458 98 $6,774
Divalproex Sodium Generic 441 61 $23,407
Amlodipine Besylate Generic 359 63 $3,827
Furosemide Generic 331 59 $1,887
Levothyroxine Sodium Generic 279 41 $3,921
Donepezil Hcl Generic 269 42 $5,370
Losartan Potassium Generic 256 40 $3,299
Quetiapine Fumarate Generic 234 46 $3,734
Memantine Hcl Generic 228 31 $10,221
Escitalopram Oxalate Generic 195 28 $3,636

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Susanthi Gunadasa's medical specialty?
Dr. Susanthi Gunadasa practices Internal Medicine Physician in Hackensack, NJ.
Where does Dr. Susanthi Gunadasa practice?
Dr. Susanthi Gunadasa practices at 30 Prospect Ave, Hackensack, NJ 076011914. Office phone: 5519961131.
What is Dr. Susanthi Gunadasa's NPI?
Dr. Susanthi Gunadasa's National Provider Identifier (NPI) is 1639331861, issued by NPPES.
Does Dr. Susanthi Gunadasa accept Medicare assignment?
Yes. Dr. Susanthi Gunadasa accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Susanthi Gunadasa commonly perform?
Top Medicare-reported procedures in 2023: Subsequent nursing facility care with moderate level of medical decision making (HCPCS 99309); Residence visit for established patient with moderate level of medical decision making (HCPCS 99349); Subsequent hospital care with moderate levelof medical decision making (HCPCS 99233). Source: CMS Medicare Physician & Other Practitioners file.