Doctor profile · Federal record

Dr. Kirsten Calder, MD

Emergency Medicine Physician (CMS: Emergency Medicine) · Los Alamitos, CA

  • NPI 1952330938
  • Accepts Medicare
  • MIPS 86.3 / 100 · 2023
  • 32 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
3751 Katella Ave
Los Alamitos, CA 907203113
(562) 598-1311
Mailing address
629 Ultimo Ave
Long Beach, CA 908142048

Credentials & registration

NPPES · NUCC
NPI registered
July 2006 — 20 yrs on file
Profile last updated
October 27, 2023
Year of graduation
1994 — 32 yrs since
Specialty taxonomy
207P00000X — NUCC code
State license (1)
California #A54910

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1952330938. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
461
Distinct HCPCS
4
Medicare allowed
$60,204
HCPCS Description Services Patients Avg allowed
99285 Emergency department visit with high level of medical decision making 246 242 $184
93010 Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only 129 126 $9
99284 Emergency department visit with moderate level of medical decision making 57 57 $127
99291 Critical care, first 30-74 minutes 29 28 $226

In context: peer comparison

Among 10 peers in Los Alamitos Emergency Medicine Physician, average services per provider: 84. This provider delivers 5.5× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$104
Transactions
2
Manufacturers
1
Payer (manufacturer) Industry Txns Amount
Ceribell, INC. 2 $103.64

By nature of payment

Food and Beverage
$104

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
147
Patients
147
Total drug cost
$1,049
Drug Type Claims Patients Total cost
Hydrocodone-Acetaminophen (Hydrocodone/Acetaminophen) Brand 33 33 $126
Ondansetron Odt (Ondansetron) Brand 22 22 $103
Tramadol Hcl Generic 22 22 $58
Methylprednisolone Generic 17 17 $166
Cephalexin Generic 16 16 $127
Cefdinir Generic 14 14 $268
Amoxicillin-Clavulanate Potass (Amoxicillin/Potassium Clav) Brand 12 12 $138
Oxycodone-Acetaminophen (Oxycodone Hcl/Acetaminophen) Brand 11 11 $64

Frequently asked questions

Auto-generated from federal data
What is Dr. Kirsten Calder's medical specialty?
Dr. Kirsten Calder practices Emergency Medicine Physician in Los Alamitos, CA.
Where does Dr. Kirsten Calder practice?
Dr. Kirsten Calder practices at 3751 Katella Ave, Los Alamitos, CA 907203113. Office phone: 5625981311.
What is Dr. Kirsten Calder's NPI?
Dr. Kirsten Calder's National Provider Identifier (NPI) is 1952330938, issued by NPPES.
Does Dr. Kirsten Calder accept Medicare assignment?
Yes. Dr. Kirsten Calder accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Kirsten Calder commonly perform?
Top Medicare-reported procedures in 2023: Emergency department visit with high level of medical decision making (HCPCS 99285); Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only (HCPCS 93010); Emergency department visit with moderate level of medical decision making (HCPCS 99284). Source: CMS Medicare Physician & Other Practitioners file.