Doctor profile · Federal record

Dr. Jaiva Larsen, M.D

Emergency Medicine Physician (CMS: Emergency Medicine) · Medical Toxicology (Emergency Medicine) Physician · Addiction Medicine (Psychiatry & Neurology) Physician · Tucson, AZ

  • NPI 1275820888
  • Accepts Medicare
  • MIPS 92.0 / 100 · 2023
  • 15 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
2800 E Ajo Way, Ua/Uphk Gme Consortium Emergency Medicine Program
Tucson, AZ 857136204
(503) 939-6612

Credentials & registration

NPPES · NUCC
NPI registered
July 2011 — 15 yrs on file
Profile last updated
April 7, 2026
Year of graduation
2011 — 15 yrs since
Specialty taxonomy
207P00000X — NUCC code
State licenses (2)
Arizona #R72785 · Arizona #52282

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1275820888. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
111
Distinct HCPCS
3
Medicare allowed
$15,870
HCPCS Description Services Patients Avg allowed
99285 Emergency department visit with high level of medical decision making 79 77 $172
99284 Emergency department visit with moderate level of medical decision making 18 18 $119
93010 Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only 14 14 $8

In context: peer comparison

Among 97 peers in Tucson Emergency Medicine Physician, average services per provider: 82. This provider delivers 1.4× the peer median.

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Jaiva Larsen's medical specialty?
Dr. Jaiva Larsen practices Emergency Medicine Physician in Tucson, AZ.
Where does Dr. Jaiva Larsen practice?
Dr. Jaiva Larsen practices at 2800 E Ajo Way, Tucson, AZ 857136204. Office phone: 5039396612.
What is Dr. Jaiva Larsen's NPI?
Dr. Jaiva Larsen's National Provider Identifier (NPI) is 1275820888, issued by NPPES.
Does Dr. Jaiva Larsen accept Medicare assignment?
Yes. Dr. Jaiva Larsen accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Jaiva Larsen commonly perform?
Top Medicare-reported procedures in 2023: Emergency department visit with high level of medical decision making (HCPCS 99285); Emergency department visit with moderate level of medical decision making (HCPCS 99284); Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only (HCPCS 93010). Source: CMS Medicare Physician & Other Practitioners file.