Doctor profile · Federal record

Dr. Yi Sun, M.D

Internal Medicine Physician (CMS: Hospitalist) · Hospitalist Physician · Glen Allen, VA

  • NPI 1720201577
  • Accepts Medicare
  • MIPS 52.5 / 100 · 2023
  • 30 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
5609 Watford Ter
Glen Allen, VA 230593433
(860) 919-5632
Mailing address
5609 Watford Terrace
Glen Allen, VA 23059

Credentials & registration

NPPES · NUCC
NPI registered
April 2007 — 19 yrs on file
Profile last updated
August 28, 2023
Year of graduation
1996 — 30 yrs since
Specialty taxonomy
207R00000X — NUCC code
State license (1)
Virginia #0101251037

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1720201577. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
1,154
Distinct HCPCS
5
Medicare allowed
$143,960
HCPCS Description Services Patients Avg allowed
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 771 296 $116
99239 Hospital discharge day management, more than 30 minutes 197 196 $112
99291 Critical care, first 30-74 minutes 121 79 $208
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 39 26 $77
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 26 26 $169

In context: peer comparison

Among 5 peers in Glen Allen Internal Medicine Physician, average services per provider: 131. This provider delivers 8.8× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$16
Transactions
1
Manufacturers
1
Payer (manufacturer) Industry Txns Amount
Janssen Pharmaceuticals, INC 1 $15.58

By nature of payment

Food and Beverage
$16

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
208
Patients
123
Total drug cost
$14,608
Drug Type Claims Patients Total cost
Pantoprazole Sodium Generic 26 20 $190
Furosemide Generic 23 17 $248
Eliquis (Apixaban) Brand 22 12 $12,999
Clopidogrel (Clopidogrel Bisulfate) Brand 20 14 $222
Prednisone Generic 19 19 $83
Atorvastatin Calcium Generic 18 13 $92
Amoxicillin-Clavulanate Potass (Amoxicillin/Potassium Clav) Brand 16 16 $240
Carvedilol Generic 14 0 $50
Metoprolol Succinate Generic 14 0 $109
Amlodipine Besylate Generic 12 0 $34

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Yi Sun's medical specialty?
Dr. Yi Sun practices Internal Medicine Physician in Glen Allen, VA.
Where does Dr. Yi Sun practice?
Dr. Yi Sun practices at 5609 Watford Ter, Glen Allen, VA 230593433. Office phone: 8609195632.
What is Dr. Yi Sun's NPI?
Dr. Yi Sun's National Provider Identifier (NPI) is 1720201577, issued by NPPES.
Does Dr. Yi Sun accept Medicare assignment?
Yes. Dr. Yi Sun accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Yi Sun commonly perform?
Top Medicare-reported procedures in 2023: Subsequent hospital care with moderate levelof medical decision making (HCPCS 99233); Hospital discharge day management (HCPCS 99239); Critical care (HCPCS 99291). Source: CMS Medicare Physician & Other Practitioners file.