Doctor profile · Federal record

Dr. Adam Harmon, M.D.

Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician (CMS: Cardiac Surgery) · Redwood City, CA

  • NPI 1225069537
  • Accepts Medicare
  • MIPS 90.2 / 100 · 2023
  • 41 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
2900 Whipple Ave, Suite 140
Redwood City, CA 940622843
(650) 261-2366
fax (650) 261-2369
Mailing address
3400 Data Dr
Rancho Cordova, CA 956707956

Credentials & registration

NPPES · NUCC
NPI registered
July 2006 — 20 yrs on file
Profile last updated
August 4, 2014
Year of graduation
1985 — 41 yrs since
Specialty taxonomy
208G00000X — NUCC code
State license (1)
California #G77973
Medicaid
CA #00A618120

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1225069537. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
22
Distinct HCPCS
1
Medicare allowed
$4,110
HCPCS Description Services Patients Avg allowed
35301 Removal of blood clot and portion of chest, neck, or brain artery 22 20 $187

In context: peer comparison

Among 2 peers in this city , average services per provider: 27. This provider delivers 0.8× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$16
Transactions
1
Manufacturers
1
Payer (manufacturer) Industry Txns Amount
Ethicon US, LLC 1 $16.33

By nature of payment

Food and Beverage
$16

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Adam Harmon's medical specialty?
Dr. Adam Harmon practices Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician in Redwood City, CA.
Where does Dr. Adam Harmon practice?
Dr. Adam Harmon practices at 2900 Whipple Ave, Redwood City, CA 940622843. Office phone: 6502612366.
What is Dr. Adam Harmon's NPI?
Dr. Adam Harmon's National Provider Identifier (NPI) is 1225069537, issued by NPPES.
Does Dr. Adam Harmon accept Medicare assignment?
Yes. Dr. Adam Harmon accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Adam Harmon commonly perform?
Top Medicare-reported procedures in 2023: Removal of blood clot and portion of chest, neck, or brain artery (HCPCS 35301). Source: CMS Medicare Physician & Other Practitioners file.