Doctor profile · Federal record

Dr. Ying Guo

Family Medicine Physician (CMS: Family Practice) · Sunnyvale, CA

  • NPI 1871054338
  • Accepts Medicare
  • 7 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
301 Old San Francisco RD
Sunnyvale, CA 940866386
(408) 730-4262
Mailing address
325 Distel Cir
Los Altos, CA 940221408

Credentials & registration

NPPES · NUCC
NPI registered
March 2019 — 7 yrs on file
Profile last updated
November 3, 2022
Year of graduation
2019 — 7 yrs since
Specialty taxonomy
207Q00000X — NUCC code
State license (1)
California #20A19933

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1871054338. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
186
Distinct HCPCS
3
Medicare allowed
$26,783
HCPCS Description Services Patients Avg allowed
99214 Established patient office or other outpatient visit, 30-39 minutes 94 69 $152
G0439 Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit 52 52 $156
99213 Established patient office or other outpatient visit, 20-29 minutes 40 36 $109

In context: peer comparison

Among 6 peers in Sunnyvale Family Medicine Physician, average services per provider: 46. This provider delivers 4.0× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$274
Transactions
3
Manufacturers
3
Payer (manufacturer) Industry Txns Amount
Exact Sciences Corporation 1 $124.99
Mayne Pharma Commercial LLC 1 $124.83
Takeda Pharmaceuticals U.S.A., INC. 1 $24.03

By nature of payment

Food and Beverage
$274

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
268
Patients
73
Total drug cost
$3,714
Drug Type Claims Patients Total cost
Atorvastatin Calcium Generic 55 27 $597
Amlodipine Besylate Generic 50 22 $817
Losartan Potassium Generic 32 13 $699
Lisinopril Generic 29 0 $344
Levothyroxine Sodium Generic 21 11 $437
Lorazepam Generic 16 0 $139
Simvastatin Generic 15 0 $309
Zolpidem Tartrate Generic 14 0 $85
Omeprazole Generic 13 0 $112
Hydrochlorothiazide Generic 12 0 $68

Frequently asked questions

Auto-generated from federal data
What is Dr. Ying Guo's medical specialty?
Dr. Ying Guo practices Family Medicine Physician in Sunnyvale, CA.
Where does Dr. Ying Guo practice?
Dr. Ying Guo practices at 301 Old San Francisco RD, Sunnyvale, CA 940866386. Office phone: 4087304262.
What is Dr. Ying Guo's NPI?
Dr. Ying Guo's National Provider Identifier (NPI) is 1871054338, issued by NPPES.
Does Dr. Ying Guo accept Medicare assignment?
Yes. Dr. Ying Guo accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Ying Guo commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit (HCPCS G0439); Established patient office or other outpatient visit (HCPCS 99213). Source: CMS Medicare Physician & Other Practitioners file.