Doctor profile · Federal record

Dr. Amanda de Four, M.D.

Internal Medicine Physician (CMS: Hospitalist) · Student in an Organized Health Care Education/Training Program · Chula Vista, CA

  • NPI 1700101383
  • Accepts Medicare
  • 16 yrs in practice
  • Female
  • Solo practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
435 H St, Cv 31
Chula Vista, CA 919104307
(619) 691-7000

Credentials & registration

NPPES · NUCC
NPI registered
April 2010 — 16 yrs on file
Profile last updated
July 1, 2013
Year of graduation
2010 — 16 yrs since
Specialty taxonomy
207R00000X — NUCC code
State license (1)
California #A118058

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1700101383. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
273
Distinct HCPCS
4
Medicare allowed
$30,458
HCPCS Description Services Patients Avg allowed
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 115 46 $123
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 97 45 $82
99239 Hospital discharge day management, more than 30 minutes 43 43 $119
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 18 18 $180

In context: peer comparison

Among 32 peers in this city , average services per provider: 140. This provider delivers 2.0× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
50
Patients
14
Total drug cost
$9,774
Drug Type Claims Patients Total cost
Amlodipine Besylate Generic 15 14 $51
Basaglar Kwikpen U-100 (Insulin Glargine,hum.Rec.Anlog) Brand 13 0 $3,696
Cefuroxime (Cefuroxime Axetil) Brand 11 0 $215
Eliquis (Apixaban) Brand 11 0 $5,812

Frequently asked questions

Auto-generated from federal data
What is Dr. Amanda de Four's medical specialty?
Dr. Amanda de Four practices Internal Medicine Physician in Chula Vista, CA.
Where does Dr. Amanda de Four practice?
Dr. Amanda de Four practices at 435 H St, Chula Vista, CA 919104307. Office phone: 6196917000.
What is Dr. Amanda de Four's NPI?
Dr. Amanda de Four's National Provider Identifier (NPI) is 1700101383, issued by NPPES.
Does Dr. Amanda de Four accept Medicare assignment?
Yes. Dr. Amanda de Four accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Amanda de Four commonly perform?
Top Medicare-reported procedures in 2023: Subsequent hospital care with moderate levelof medical decision making (HCPCS 99233); Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232); Hospital discharge day management (HCPCS 99239). Source: CMS Medicare Physician & Other Practitioners file.