Doctor profile · Federal record

Dr. Sarom Pyun, M.D.

Family Medicine Physician (CMS: Family Practice) · Diamond Bar, CA

  • NPI 1104264472
  • Accepts Medicare
  • 13 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
1514 Valley Vista Dr
Diamond Bar, CA 917653929
(909) 860-1144

Credentials & registration

NPPES · NUCC
NPI registered
June 2013 — 13 yrs on file
Profile last updated
November 9, 2021
Year of graduation
2013 — 13 yrs since
Specialty taxonomy
207Q00000X — NUCC code
State license (1)
California #A134211

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1104264472. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
314
Distinct HCPCS
10
Medicare allowed
$27,722
HCPCS Description Services Patients Avg allowed
99214 Established patient office or other outpatient visit, 30-39 minutes 99 60 $132
99213 Established patient office or other outpatient visit, 20-29 minutes 48 38 $92
36415 Insertion of needle into vein for collection of blood sample 36 18 $8
G0439 Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit 31 31 $133
80061 Blood test, lipids (cholesterol and triglycerides) 19 16 $13
85025 Complete blood cell count (red cells, white blood cell, platelets), automated test and automated differential white blood cell count 16 14 $8
80053 Blood test, comprehensive group of blood chemicals 15 12 $10
90677 Pneumococcal conjugate vaccine, 20 valent (pcv20), for intramuscular use 15 15 $282
82306 Vitamin d-3 level 12 12 $29
G0009 Administration of pneumococcal vaccine 12 12 $29

In context: peer comparison

Among 8 peers in this city , average services per provider: 91. This provider delivers 3.5× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$185
Transactions
7
Manufacturers
4
Payer (manufacturer) Industry Txns Amount
Lilly USA, LLC 3 $74.96
Novo Nordisk Inc 2 $45.60
Hologic Sales and Service, LLC 1 $44.72
GlaxoSmithKline, LLC. 1 $19.49

By nature of payment

Food and Beverage
$185

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
858
Patients
259
Total drug cost
$10,515
Drug Type Claims Patients Total cost
Atorvastatin Calcium Generic 159 47 $1,675
Amlodipine Besylate Generic 125 40 $715
Losartan Potassium Generic 102 32 $1,442
Lisinopril Generic 59 18 $697
Levothyroxine Sodium Generic 58 18 $1,288
Simvastatin Generic 51 15 $584
Rosuvastatin Calcium Generic 46 22 $966
Metformin Hcl Generic 45 17 $451
Pravastatin Sodium Generic 39 11 $592
Atenolol Generic 35 13 $378

Frequently asked questions

Auto-generated from federal data
What is Dr. Sarom Pyun's medical specialty?
Dr. Sarom Pyun practices Family Medicine Physician in Diamond Bar, CA.
Where does Dr. Sarom Pyun practice?
Dr. Sarom Pyun practices at 1514 Valley Vista Dr, Diamond Bar, CA 917653929. Office phone: 9098601144.
What is Dr. Sarom Pyun's NPI?
Dr. Sarom Pyun's National Provider Identifier (NPI) is 1104264472, issued by NPPES.
Does Dr. Sarom Pyun accept Medicare assignment?
Yes. Dr. Sarom Pyun accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Sarom Pyun commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); Established patient office or other outpatient visit (HCPCS 99213); Insertion of needle into vein for collection of blood sample (HCPCS 36415). Source: CMS Medicare Physician & Other Practitioners file.