Doctor profile · Federal record

Dr. Sung Whang, MD

Internal Medicine Physician (CMS: Hospitalist) · Port Jefferson, NY

  • NPI 1982800900
  • Accepts Medicare
  • 23 yrs in practice
  • Male
  • Solo practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
200 Belle Terre RD
Port Jefferson, NY 117771928
(631) 474-6323
fax (631) 474-6451

Credentials & registration

NPPES · NUCC
NPI registered
June 2007 — 19 yrs on file
Profile last updated
March 24, 2008
Year of graduation
2003 — 23 yrs since
Specialty taxonomy
207R00000X — NUCC code
State license (1)
New York #244717

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1982800900. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
871
Distinct HCPCS
6
Medicare allowed
$108,789
HCPCS Description Services Patients Avg allowed
99213 Established patient office or other outpatient visit, 20-29 minutes 191 173 $76
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 185 113 $137
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 166 158 $199
99214 Established patient office or other outpatient visit, 30-39 minutes 162 152 $111
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 99 69 $91
99239 Hospital discharge day management, more than 30 minutes 68 60 $132

In context: peer comparison

Among 14 peers in Port Jefferson Internal Medicine Physician, average services per provider: 123. This provider delivers 7.1× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$1,190
Transactions
25
Manufacturers
8
Payer (manufacturer) Industry Txns Amount
Abbvie INC. 13 $373.50
Janssen Pharmaceuticals, INC 3 $294.45
Ucb, INC. 2 $250.00
Alkermes, INC. 2 $154.41
Merck Sharp & Dohme LLC 2 $46.00
Pfizer INC. 1 $28.34
Boehringer Ingelheim Pharmaceuticals, INC. 1 $28.08
Melinta Therapeutics, LLC 1 $15.54

By nature of payment

Food and Beverage
$1,190

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
27
Patients
16
Total drug cost
$306
Drug Type Claims Patients Total cost
Oxycodone Hcl Generic 16 16 $193
Alprazolam Generic 11 0 $113

Frequently asked questions

Auto-generated from federal data
What is Dr. Sung Whang's medical specialty?
Dr. Sung Whang practices Internal Medicine Physician in Port Jefferson, NY.
Where does Dr. Sung Whang practice?
Dr. Sung Whang practices at 200 Belle Terre RD, Port Jefferson, NY 117771928. Office phone: 6314746323.
What is Dr. Sung Whang's NPI?
Dr. Sung Whang's National Provider Identifier (NPI) is 1982800900, issued by NPPES.
Does Dr. Sung Whang accept Medicare assignment?
Yes. Dr. Sung Whang accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Sung Whang commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99213); Subsequent hospital care with moderate levelof medical decision making (HCPCS 99233); Initial hospital care with moderate level of medical decision making (HCPCS 99223). Source: CMS Medicare Physician & Other Practitioners file.