Doctor profile · Federal record

Dr. Brandon Guenthart, MD

Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician (CMS: General Surgery) · Surgery Physician · Surgery Physician · Palo Alto, CA

  • NPI 1700142858
  • Accepts Medicare
  • MIPS 75.5 / 100 · 2023
  • 14 yrs in practice
  • Licensed in 2 states
  • Male
  • Solo practice
  • No sanctions

Practice & contact

Operates at 3 locations .

NPPES Updated May 11, 2026
Primary practice
300 Pasteur Dr
Palo Alto, CA 943042203
(650) 723-4000
Additional location
525 E 68Th St # 207
New York, NY 100654870
(212) 746-5380
Additional location
500 Pasteur Dr
Palo Alto, CA 943041048
(650) 721-2552

Credentials & registration

NPPES · NUCC
NPI registered
April 2012 — 14 yrs on file
Profile last updated
April 27, 2024
Year of graduation
2012 — 14 yrs since
Specialty taxonomy
208G00000X — NUCC code
State licenses (2)
California #A160343 · New York #281975

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1700142858. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
11
Distinct HCPCS
1
Medicare allowed
$1,613
HCPCS Description Services Patients Avg allowed
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 11 11 $147

In context: peer comparison

Among 10 peers in Palo Alto Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician, average services per provider: 30. This provider delivers 0.4× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$2,746
Transactions
9
Manufacturers
4
Payer (manufacturer) Industry Txns Amount
TransMedics, INC. 2 $2,379.76
Paragonix Technologies, INC. 4 $282.35
Atricure, INC. 1 $46.07
Kls-Martin L.P. 2 $37.80

By nature of payment

Travel and Lodging
$2,380
Food and Beverage
$366

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Brandon Guenthart's medical specialty?
Dr. Brandon Guenthart practices Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician in Palo Alto, CA.
Where does Dr. Brandon Guenthart practice?
Dr. Brandon Guenthart practices at 300 Pasteur Dr, Palo Alto, CA 943042203. Office phone: 6507234000.
What is Dr. Brandon Guenthart's NPI?
Dr. Brandon Guenthart's National Provider Identifier (NPI) is 1700142858, issued by NPPES.
Does Dr. Brandon Guenthart accept Medicare assignment?
Yes. Dr. Brandon Guenthart accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Brandon Guenthart commonly perform?
Top Medicare-reported procedures in 2023: Initial hospital care with straightforward or low-level medical decision making (HCPCS 99222). Source: CMS Medicare Physician & Other Practitioners file.