Doctor profile · Federal record

Dr. Charlotte Sadler, M.D.

Emergency Medicine Physician (CMS: Emergency Medicine) · Undersea and Hyperbaric Medicine (Emergency Medicine) Physician · San Diego, CA

  • NPI 1598044117
  • Accepts Medicare
  • 16 yrs in practice
  • Female
  • Solo practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
200 W Arbor Dr # 8925
San Diego, CA 921031911
(563) 508-6872

Credentials & registration

NPPES · NUCC
NPI registered
August 2011 — 15 yrs on file
Profile last updated
May 23, 2023
Year of graduation
2010 — 16 yrs since
Specialty taxonomy
207P00000X — NUCC code
State licenses (2)
California #A 118033 · California #A118033

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1598044117. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
458
Distinct HCPCS
10
Medicare allowed
$52,467
HCPCS Description Services Patients Avg allowed
99183 Management of oxygen chamber therapy 121 28 $108
99285 Emergency department visit with high level of medical decision making 91 89 $177
99348 Residence visit for established patient with low level of medical decision making, per day, if using time, at least 30 minutes 64 58 $79
99284 Emergency department visit with moderate level of medical decision making 55 55 $122
99347 Residence visit for established patient with straightforward medical decision making, per day, if using time, at least 15 minutes 32 28 $47
99349 Residence visit for established patient with moderate level of medical decision making, per day, if using time, at least 40 minutes 27 26 $133
93010 Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only 24 24 $8
99291 Critical care, first 30-74 minutes 19 19 $218
99283 Emergency department visit with low level of medical decision making 14 14 $72
99213 Established patient office or other outpatient visit, 20-29 minutes 11 11 $97

In context: peer comparison

Among 130 peers in San Diego Emergency Medicine Physician, average services per provider: 67. This provider delivers 6.8× the peer median.

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Charlotte Sadler's medical specialty?
Dr. Charlotte Sadler practices Emergency Medicine Physician in San Diego, CA.
Where does Dr. Charlotte Sadler practice?
Dr. Charlotte Sadler practices at 200 W Arbor Dr # 8925, San Diego, CA 921031911. Office phone: 5635086872.
What is Dr. Charlotte Sadler's NPI?
Dr. Charlotte Sadler's National Provider Identifier (NPI) is 1598044117, issued by NPPES.
Does Dr. Charlotte Sadler accept Medicare assignment?
Yes. Dr. Charlotte Sadler accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Charlotte Sadler commonly perform?
Top Medicare-reported procedures in 2023: Management of oxygen chamber therapy (HCPCS 99183); Emergency department visit with high level of medical decision making (HCPCS 99285); Residence visit for established patient with low level of medical decision making (HCPCS 99348). Source: CMS Medicare Physician & Other Practitioners file.