Doctor profile · Federal record

Dr. Karl Limmer, M.D

Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician (CMS: General Surgery) · Surgery Physician · San Diego, CA

  • NPI 1871757294
  • Accepts Medicare
  • 21 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
8010 Frost St Ste 408
San Diego, CA 921234222
(858) 939-7471
Mailing address
Po Box 939040
San Diego, CA 92123

Credentials & registration

NPPES · NUCC
NPI registered
July 2008 — 18 yrs on file
Profile last updated
April 11, 2014
Year of graduation
2005 — 21 yrs since
Specialty taxonomy
208G00000X — NUCC code
State license (1)
California #A99830

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1871757294. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
59
Distinct HCPCS
2
Medicare allowed
$11,217
HCPCS Description Services Patients Avg allowed
99204 New patient office or other outpatient visit, 45-59 minutes 45 45 $177
99205 New patient office or other outpatient visit, 60-74 minutes 14 14 $233

In context: peer comparison

Among 9 peers in this city , average services per provider: 45. This provider delivers 1.3× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$785
Transactions
11
Manufacturers
4
Payer (manufacturer) Industry Txns Amount
ATRICURE, INC. 5 $414.84
Edwards Lifesciences Corporation 4 $311.88
Philips North America LLC 1 $33.17
Abbott Laboratories 1 $24.94

By nature of payment

Food and Beverage
$785

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Karl Limmer's medical specialty?
Dr. Karl Limmer practices Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician in San Diego, CA.
Where does Dr. Karl Limmer practice?
Dr. Karl Limmer practices at 8010 Frost St Ste 408, San Diego, CA 921234222. Office phone: 8589397471.
What is Dr. Karl Limmer's NPI?
Dr. Karl Limmer's National Provider Identifier (NPI) is 1871757294, issued by NPPES.
Does Dr. Karl Limmer accept Medicare assignment?
Yes. Dr. Karl Limmer accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Karl Limmer commonly perform?
Top Medicare-reported procedures in 2023: New patient office or other outpatient visit (HCPCS 99204); New patient office or other outpatient visit (HCPCS 99205). Source: CMS Medicare Physician & Other Practitioners file.