Doctor profile · Federal record

Dr. Karl Weingarten, MD

Vascular & Interventional Radiology Physician (CMS: Interventional Radiology) · Diagnostic Radiology Physician · Vascular & Interventional Radiology Physician · Riverside, CA

  • NPI 1134172547
  • Accepts Medicare
  • MIPS 67.8 / 100 · 2023
  • 35 yrs in practice
  • Licensed in 2 states
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
4334 Central Ave
Riverside, CA 925062918
(951) 248-1291
Mailing address
Po Box 25274
Belfast, ME 049152003

Credentials & registration

NPPES · NUCC
NPI registered
May 2006 — 20 yrs on file
Profile last updated
August 27, 2025
Year of graduation
1991 — 35 yrs since
Specialty taxonomy
2085R0204X — NUCC code
State licenses (2)
California #G80449 · Georgia #059669
Medicaid (6)
GA #720877274D · GA #720877274A · GA #720877274B · CA #00G804490 · GA #720877274C · GA #720877274E

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1134172547. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
53,319
Distinct HCPCS
10
Medicare allowed
$2,611,650
HCPCS Description Services Patients Avg allowed
Q9967 Low osmolar contrast material, 300-399 mg/ml iodine concentration, per ml 48,540 258 $0
37253 Ultrasound evaluation of blood vessel with review by radiologist, each additional vessel 1,754 268 $193
37252 Ultrasound evaluation of blood vessel with review by radiologist, initial vessel 419 267 $1,131
75710 Review by radiologist of arm or leg artery image 360 216 $162
36215 Insertion of tube into chest or arm artery, each first order branch 355 215 $706
76937 Ultrasonic guidance for blood vessel access 161 121 $43
J2997 Injection, alteplase recombinant, 1 mg 160 33 $87
36902 Insertion of needle and/or tube into hemodialysis circuit and balloon dilation of dialysis segment with review by radiologist 154 112 $1,359
99152 Use of a drug to induce depression of consciousness by physician performing a procedure (5 years or older), initial 15 minutes 152 120 $58
99153 Use of a drug to induce depression of consciousness by physician performing a procedure, each additional 15 minutes 150 65 $13

In context: peer comparison

Among 2 peers in Riverside Vascular & Interventional Radiology Physician, average services per provider: 740. This provider delivers 72× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$20
Transactions
1
Manufacturers
1
Payer (manufacturer) Industry Txns Amount
Tactile Systems Technology INC 1 $20.31

By nature of payment

Food and Beverage
$20

Frequently asked questions

Auto-generated from federal data
What is Dr. Karl Weingarten's medical specialty?
Dr. Karl Weingarten practices Vascular & Interventional Radiology Physician in Riverside, CA.
Where does Dr. Karl Weingarten practice?
Dr. Karl Weingarten practices at 4334 Central Ave, Riverside, CA 925062918. Office phone: 9512481291.
What is Dr. Karl Weingarten's NPI?
Dr. Karl Weingarten's National Provider Identifier (NPI) is 1134172547, issued by NPPES.
Does Dr. Karl Weingarten accept Medicare assignment?
Yes. Dr. Karl Weingarten accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Karl Weingarten commonly perform?
Top Medicare-reported procedures in 2023: Low osmolar contrast material, 300-399 mg/ml iodine concentration, per ml (HCPCS Q9967); Ultrasound evaluation of blood vessel with review by radiologist, each additional vessel (HCPCS 37253); Ultrasound evaluation of blood vessel with review by radiologist, initial vessel (HCPCS 37252). Source: CMS Medicare Physician & Other Practitioners file.