Doctor profile · Federal record

Dr. Mengying Guo

Internal Medicine Physician · Torrance, CA

  • NPI 1235664301
  • 9 yrs on file
  • Female
  • Group practice
  • No sanctions

Practice & contact

Operates at 2 locations .

NPPES Updated May 11, 2026
Primary practice
1000 W Carson St # 400
Torrance, CA 905022004
(310) 222-2401
Additional location
26800 Crown Valley Pkwy Ste 315
Mission Viejo, CA 926918039
(949) 364-6000
Mailing address
26800 Crown Valley Pkwy Ste 315
Mission Viejo, CA 926918039

Credentials & registration

NPPES · NUCC
NPI registered
April 2017 — 9 yrs on file
Profile last updated
November 2, 2021
Specialty taxonomy
207R00000X — NUCC code
State license (1)
California #A158952

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1235664301. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
71
Distinct HCPCS
3
Medicare allowed
$9,406
HCPCS Description Services Patients Avg allowed
99214 Established patient office or other outpatient visit, 30-39 minutes 35 31 $137
99213 Established patient office or other outpatient visit, 20-29 minutes 24 22 $97
99215 Established patient office or other outpatient visit, 40-54 minutes 12 11 $191

In context: peer comparison

Among 52 peers in this city , average services per provider: 143. This provider delivers 0.5× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
292
Patients
149
Total drug cost
$4,641
Drug Type Claims Patients Total cost
Atorvastatin Calcium Generic 66 43 $1,100
Amlodipine Besylate Generic 43 26 $290
Levothyroxine Sodium Generic 42 22 $686
Losartan Potassium Generic 36 22 $388
Rosuvastatin Calcium Generic 25 14 $1,149
Metoprolol Succinate Generic 22 11 $327
Lisinopril Generic 17 0 $178
Metformin Hcl Generic 15 11 $116
Simvastatin Generic 15 0 $206
Carvedilol Generic 11 0 $199

Frequently asked questions

Auto-generated from federal data
What is Dr. Mengying Guo's medical specialty?
Dr. Mengying Guo practices Internal Medicine Physician in Torrance, CA.
Where does Dr. Mengying Guo practice?
Dr. Mengying Guo practices at 1000 W Carson St # 400, Torrance, CA 905022004. Office phone: 3102222401.
What is Dr. Mengying Guo's NPI?
Dr. Mengying Guo's National Provider Identifier (NPI) is 1235664301, issued by NPPES.
What procedures does Dr. Mengying Guo 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); Established patient office or other outpatient visit (HCPCS 99215). Source: CMS Medicare Physician & Other Practitioners file.