Doctor profile · Federal record

Dr. Sok Yi, M.D.

Hospitalist Physician (CMS: Pulmonary Disease) · Culpeper, VA

  • NPI 1285655423
  • Accepts Medicare
  • 35 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
633 Sunset Ln, Suite F
Culpeper, VA 227013942
(540) 829-8883
fax (540) 829-8886

Credentials & registration

NPPES · NUCC
NPI registered
July 2006 — 20 yrs on file
Profile last updated
October 31, 2017
Year of graduation
1991 — 35 yrs since
Specialty taxonomy
208M00000X — NUCC code
State license (1)
Virginia #0101233853

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1285655423. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
517
Distinct HCPCS
7
Medicare allowed
$77,938
HCPCS Description Services Patients Avg allowed
99291 Critical care, first 30-74 minutes 209 88 $210
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 117 70 $117
99238 Hospital discharge day management, 30 minutes or less 76 73 $80
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 47 47 $171
99239 Hospital discharge day management, more than 30 minutes 28 28 $113
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 22 17 $78
36556 Insertion of non-tunneled central venous tube for infusion (5 years or older) 18 15 $82

In context: peer comparison

Among 4 peers in Culpeper Hospitalist Physician, average services per provider: 137. This provider delivers 3.8× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
72
Patients
17
Total drug cost
$8,849
Drug Type Claims Patients Total cost
Prednisone Generic 25 17 $110
Furosemide Generic 17 0 $87
Pantoprazole Sodium Generic 16 0 $211
Eliquis (Apixaban) Brand 14 0 $8,442

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Sok Yi's medical specialty?
Dr. Sok Yi practices Hospitalist Physician in Culpeper, VA.
Where does Dr. Sok Yi practice?
Dr. Sok Yi practices at 633 Sunset Ln, Culpeper, VA 227013942. Office phone: 5408298883.
What is Dr. Sok Yi's NPI?
Dr. Sok Yi's National Provider Identifier (NPI) is 1285655423, issued by NPPES.
Does Dr. Sok Yi accept Medicare assignment?
Yes. Dr. Sok Yi accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Sok Yi commonly perform?
Top Medicare-reported procedures in 2023: Critical care (HCPCS 99291); Subsequent hospital care with moderate levelof medical decision making (HCPCS 99233); Hospital discharge day management (HCPCS 99238). Source: CMS Medicare Physician & Other Practitioners file.