Doctor profile · Federal record

Dr. Warren Wiechmann, MD

Emergency Medicine Physician · Fresno, CA

  • NPI 1376729780
  • 18 yrs on file
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
2823 Fresno St
Fresno, CA 937211324
(559) 499-6439
fax (559) 499-6441
Mailing address
155 N Fresno St
Fresno, CA 937012302

Credentials & registration

NPPES · NUCC
NPI registered
January 2008 — 18 yrs on file
Profile last updated
December 3, 2011
Specialty taxonomy
207P00000X — NUCC code
State license (1)
California #A104250

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1376729780. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
220
Distinct HCPCS
7
Medicare allowed
$28,625
HCPCS Description Services Patients Avg allowed
99285 Emergency department visit with high level of medical decision making 59 59 $184
99284 Emergency department visit with moderate level of medical decision making 53 52 $127
99291 Critical care, first 30-74 minutes 39 39 $226
93042 Electrocardiogram (ecg) 1 to 3 leads with review by physician only 25 22 $7
99283 Emergency department visit with low level of medical decision making 17 17 $75
93308 Ultrasound of heart, follow-up 14 14 $27
76705 Limited ultrasound scan of abdomen 13 13 $30

In context: peer comparison

Among 71 peers in this city , average services per provider: 82. This provider delivers 2.7× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$144
Transactions
1
Manufacturers
1
Payer (manufacturer) Industry Txns Amount
Inari Medical, Inc. 1 $144.03

By nature of payment

Food and Beverage
$144

Frequently asked questions

Auto-generated from federal data
What is Dr. Warren Wiechmann's medical specialty?
Dr. Warren Wiechmann practices Emergency Medicine Physician in Fresno, CA.
Where does Dr. Warren Wiechmann practice?
Dr. Warren Wiechmann practices at 2823 Fresno St, Fresno, CA 937211324. Office phone: 5594996439.
What is Dr. Warren Wiechmann's NPI?
Dr. Warren Wiechmann's National Provider Identifier (NPI) is 1376729780, issued by NPPES.
What procedures does Dr. Warren Wiechmann 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); Critical care (HCPCS 99291). Source: CMS Medicare Physician & Other Practitioners file.