Doctor profile · Federal record

Dr. Diane Rosonke, MD

Emergency Medicine Physician (CMS: Emergency Medicine) · Fresno, CA

  • NPI 1861666067
  • Accepts Medicare
  • 20 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
155 N Fresno St
Fresno, CA 937012302
(559) 499-6440

Credentials & registration

NPPES · NUCC
NPI registered
April 2008 — 18 yrs on file
Profile last updated
October 29, 2010
Year of graduation
2006 — 20 yrs since
Specialty taxonomy
207P00000X — NUCC code
State license (1)
California #A101535

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1861666067. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
361
Distinct HCPCS
6
Medicare allowed
$43,209
HCPCS Description Services Patients Avg allowed
99285 Emergency department visit with high level of medical decision making 166 159 $171
93010 Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only 85 70 $8
99284 Emergency department visit with moderate level of medical decision making 42 39 $119
99291 Critical care, first 30-74 minutes 33 32 $211
71045 X-ray of chest, 1 view 24 22 $8
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 11 11 $174

In context: peer comparison

Among 71 peers in this city , average services per provider: 82. This provider delivers 4.4× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
102
Patients
101
Total drug cost
$934
Drug Type Claims Patients Total cost
Oxycodone Hcl Generic 21 21 $84
Ondansetron Odt (Ondansetron) Brand 18 18 $139
Cephalexin Generic 15 14 $114
Prednisone Generic 13 13 $63
Azithromycin Generic 12 12 $69
Nitrofurantoin Mono-Macro (Nitrofurantoin Monohyd/M-Cryst) Brand 12 12 $327
Amoxicillin-Clavulanate Potass (Amoxicillin/Potassium Clav) Brand 11 11 $139

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Diane Rosonke's medical specialty?
Dr. Diane Rosonke practices Emergency Medicine Physician in Fresno, CA.
Where does Dr. Diane Rosonke practice?
Dr. Diane Rosonke practices at 155 N Fresno St, Fresno, CA 937012302. Office phone: 5594996440.
What is Dr. Diane Rosonke's NPI?
Dr. Diane Rosonke's National Provider Identifier (NPI) is 1861666067, issued by NPPES.
Does Dr. Diane Rosonke accept Medicare assignment?
Yes. Dr. Diane Rosonke accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Diane Rosonke 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.