Doctor profile · Federal record

Dr. Hailing Fei, MD

Internal Medicine Physician · Redwood City, CA

  • NPI 1861400350
  • 20 yrs on file
  • Male
  • Solo practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
39 Birch St, Ste A
Redwood City, CA 940621482
(650) 368-2888
fax (650) 368-2878

Credentials & registration

NPPES · NUCC
NPI registered
August 2006 — 20 yrs on file
Profile last updated
July 15, 2010
Specialty taxonomy
207R00000X — NUCC code
State license (1)
California #A78381
Medicaid
CA #2276035

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1861400350. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
1,431
Distinct HCPCS
10
Medicare allowed
$147,879
HCPCS Description Services Patients Avg allowed
99214 Established patient office or other outpatient visit, 30-39 minutes 369 151 $151
99213 Established patient office or other outpatient visit, 20-29 minutes 160 100 $107
G0439 Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit 101 101 $153
76775 Limited ultrasound scan behind abdominal cavity 99 97 $74
93922 Ultrasound study of arm and leg arteries 98 97 $109
36415 Insertion of needle into vein for collection of blood sample 82 48 $8
96132 Evaluation of neuropsychological test, first hour 60 60 $148
96138 Administration of psychological or neuropsychological test by technician, first 30 minutes 60 60 $46
93306 Ultrasound of heart with color-depicted blood flow, rate, direction and valve function 58 58 $252
93000 Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report 57 52 $17

In context: peer comparison

Among 8 peers in Redwood City Internal Medicine Physician, average services per provider: 217. This provider delivers 6.6× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
1,959
Patients
631
Total drug cost
$42,851
Drug Type Claims Patients Total cost
Atorvastatin Calcium Generic 241 83 $5,268
Simvastatin Generic 200 58 $3,747
Amlodipine Besylate Generic 197 67 $2,528
Levothyroxine Sodium Generic 186 61 $3,419
Metformin Hcl Generic 169 54 $3,222
Albuterol Sulfate Hfa (Albuterol Sulfate) Brand 163 49 $5,789
Losartan-Hydrochlorothiazide (Losartan/Hydrochlorothiazide) Brand 129 41 $2,972
Losartan Potassium Generic 114 36 $2,293
Omeprazole Generic 108 34 $2,616
Lisinopril Generic 97 30 $971

Frequently asked questions

Auto-generated from federal data
What is Dr. Hailing Fei's medical specialty?
Dr. Hailing Fei practices Internal Medicine Physician in Redwood City, CA.
Where does Dr. Hailing Fei practice?
Dr. Hailing Fei practices at 39 Birch St, Redwood City, CA 940621482. Office phone: 6503682888.
What is Dr. Hailing Fei's NPI?
Dr. Hailing Fei's National Provider Identifier (NPI) is 1861400350, issued by NPPES.
What procedures does Dr. Hailing Fei 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); Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit (HCPCS G0439). Source: CMS Medicare Physician & Other Practitioners file.