Doctor profile · Federal record

Dr. Kristy Nguyen

Hospitalist Physician (CMS: Hospitalist) · Concord, CA

  • NPI 1043773518
  • Accepts Medicare
  • MIPS 85.7 / 100 · 2023
  • 7 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

Operates at 2 locations .

NPPES Updated May 11, 2026
Primary practice
2700 Grant St Ste 200
Concord, CA 945202270
(925) 952-2828
Additional location
1101 van Ness Ave Ste 1120
San Francisco, CA 941096919
(415) 600-6000
Mailing address
1450 Treat Blvd # 300
Walnut Creek, CA 945972168

Credentials & registration

NPPES · NUCC
NPI registered
April 2019 — 7 yrs on file
Profile last updated
August 23, 2022
Year of graduation
2019 — 7 yrs since
Specialty taxonomy
208M00000X — NUCC code
State license (1)
California #A181007

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1043773518. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
391
Distinct HCPCS
2
Medicare allowed
$63,708
HCPCS Description Services Patients Avg allowed
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 240 236 $144
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 151 149 $193

In context: peer comparison

Among 12 peers in this city , average services per provider: 100. This provider delivers 3.9× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$14
Transactions
1
Manufacturers
1
Payer (manufacturer) Industry Txns Amount
Novo Nordisk Inc 1 $13.51

By nature of payment

Food and Beverage
$14

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Kristy Nguyen's medical specialty?
Dr. Kristy Nguyen practices Hospitalist Physician in Concord, CA.
Where does Dr. Kristy Nguyen practice?
Dr. Kristy Nguyen practices at 2700 Grant St Ste 200, Concord, CA 945202270. Office phone: 9259522828.
What is Dr. Kristy Nguyen's NPI?
Dr. Kristy Nguyen's National Provider Identifier (NPI) is 1043773518, issued by NPPES.
Does Dr. Kristy Nguyen accept Medicare assignment?
Yes. Dr. Kristy Nguyen accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Kristy Nguyen commonly perform?
Top Medicare-reported procedures in 2023: Initial hospital care with straightforward or low-level medical decision making (HCPCS 99222); Initial hospital care with moderate level of medical decision making (HCPCS 99223). Source: CMS Medicare Physician & Other Practitioners file.