Doctor profile · Federal record

Dr. Carmen Yung, FNP-BC

Nurse Practitioner · Family Nurse Practitioner · Walnut Creek, CA

  • NPI 1003475450
  • Accepts Medicare
  • MIPS 85.7 / 100 · 2023
  • 9 yrs in practice
  • Female
  • Solo practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
1479 Ygnacio Valley RD Ste 150
Walnut Creek, CA 945982986
(925) 296-7340
Mailing address
1450 Treat Blvd Ste 300
Walnut Creek, CA 945972168

Credentials & registration

NPPES · NUCC
NPI registered
June 2019 — 7 yrs on file
Profile last updated
May 9, 2022
Year of graduation
2017 — 9 yrs since
Specialty taxonomy
363L00000X — NUCC code
State licenses (2)
California #NP95012996 · California #95012996

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1003475450. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
417
Distinct HCPCS
6
Medicare allowed
$47,847
HCPCS Description Services Patients Avg allowed
99214 Established patient office or other outpatient visit, 30-39 minutes 111 91 $117
99204 New patient office or other outpatient visit, 45-59 minutes 90 90 $154
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 82 55 $75
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 77 76 $123
99203 New patient office or other outpatient visit, 30-44 minutes 38 38 $105
99213 Established patient office or other outpatient visit, 20-29 minutes 19 19 $78

In context: peer comparison

Among 8 peers in Walnut Creek Nurse Practitioner, average services per provider: 72. This provider delivers 5.8× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$2,475
Transactions
85
Manufacturers
15
Payer (manufacturer) Industry Txns Amount
Abbvie INC. 24 $680.86
Janssen Biotech, INC. 31 $540.41
Madrigal Pharmaceuticals 4 $486.93
Salix Pharmaceuticals, A Division of Bausch Health US, LLC 6 $236.14
Lilly USA, LLC 4 $118.98
Takeda Pharmaceuticals U.S.A., INC. 4 $88.07
Regeneron Healthcare Solutions, INC. 2 $56.51
Intercept Pharmaceuticals, INC. 2 $49.26
Pfizer INC. 2 $48.57
Gilead Sciences, INC. 1 $33.96
Fresenius Kabi USA, LLC 1 $29.74
Merck Sharp & Dohme LLC 1 $23.64
Braintree Laboratories, INC. 1 $22.47
Phathom Pharmaceuticals, INC. 1 $20.88
Celltrion USA INC. 1 $19.64

By nature of payment

Food and Beverage
$2,455
Education
$20

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
399
Patients
336
Total drug cost
$19,943
Drug Type Claims Patients Total cost
Sod Sulf-Potass Sulf-Mag Sulf (Sodium, Potassium,Mag Sulfates) Brand 134 134 $10,314
Gavilyte-G (Peg3350/Sod Sulf,Bicarb,Cl/Kcl) Brand 115 115 $1,937
Pantoprazole Sodium Generic 57 27 $934
Omeprazole Generic 34 19 $699
Famotidine Generic 17 0 $626
Sutab (Sod Sulf/Pot Chloride/Mag Sulf) Brand 16 16 $2,662
Clenpiq (Sod Picosulf/Mag Ox/Citric Ac) Brand 14 13 $2,529
Peg-3350 and Electrolytes (Peg3350/Sod Sulf,Bicarb,Cl/Kcl) Brand 12 12 $241

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Carmen Yung's medical specialty?
Dr. Carmen Yung practices Nurse Practitioner in Walnut Creek, CA.
Where does Dr. Carmen Yung practice?
Dr. Carmen Yung practices at 1479 Ygnacio Valley RD Ste 150, Walnut Creek, CA 945982986. Office phone: 9252967340.
What is Dr. Carmen Yung's NPI?
Dr. Carmen Yung's National Provider Identifier (NPI) is 1003475450, issued by NPPES.
Does Dr. Carmen Yung accept Medicare assignment?
Yes. Dr. Carmen Yung accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Carmen Yung commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); New patient office or other outpatient visit (HCPCS 99204); Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232). Source: CMS Medicare Physician & Other Practitioners file.