DR. ADAM L HARMON M.D.
NPI 1225069537
Thoracic Surgery (Cardiothoracic Vascular Surgery) in Redwood City, CA
About Dr. Adam L Harmon M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. ADAM L HARMON M.D. (NPI 1225069537) is an individual thoracic surgery (cardiothoracic vascular surgery) provider in Redwood City, California, licensed in California (G77973) and active in the NPI registry since July 2006. He is enrolled in Medicare PECOS and is a graduate of Albany Medical College Of Union University (1985).
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 9
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
Dr. Adam L Harmon M.d. is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.
Medicare Billing Reassignment
Medicare enrollment records show Adam Harmon reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Belmont, CA 94002
- Reassigned Medicare billing, California enrollment
- 1,191 clinicians in this Medicare group
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 94062 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Medicare Quality Performance CMS QPP · MIPS
Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.
Other Providers at the Same Location NPPES 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
REDWOOD CITY, CA 94062
REDWOOD CITY, CA 94062
REDWOOD CITY, CA 94062
REDWOOD CITY, CA 94062
Frequently Asked Questions NPPES & CMS
Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.
What is Adam Harmon's NPI number?
The NPI number for Adam Harmon is 1225069537. It was assigned to this individual provider in the NPPES registry on July 5, 2006.
Where is Adam Harmon located?
Adam Harmon practices at 2900 Whipple Ave Suite 140, Redwood City, CA 94062. The listed phone number is (650) 261-2366.
What is Adam Harmon's specialty?
The primary specialty registered for this NPI is Thoracic Surgery (Cardiothoracic Vascular Surgery) with taxonomy code 208G00000X.
Is Adam Harmon enrolled in Medicare?
Yes. Adam Harmon is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.
Which organization bills Medicare for Adam Harmon's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Adam Harmon reassigns Medicare benefits to Dignity Health Medical Foundation (Belmont, CA). The reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Adam Harmon's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
When was this NPI record last updated?
The NPPES record for Adam Harmon was last updated on August 4, 2014. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 12 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.
# Dr. Adam L Harmon, M.D. · NPI 1225069537
Thoracic Surgery (Cardiothoracic Vascular Surgery) physician in Redwood City, California. Individual provider, active in the CMS NPPES registry since July 5, 2006.
## Identity
- **NPI:** 1225069537 (Entity type: Individual)
- **Enumerated:** July 5, 2006
- **Primary specialty:** Thoracic Surgery (Cardiothoracic Vascular Surgery) · taxonomy 208G00000X
- **State license:** G77973 (California)
- **Sole proprietor:** No
## Practice location
- **Address:** 2900 WHIPPLE AVE, SUITE 140, Redwood City, CA 94062-2843
- **Phone:** (650) 261-2366 · **Fax:** (650) 261-2369
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** Dignity Health Medical Foundation (NPI 1174531859, Belmont, CA), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Albany Medical College Of Union University, class of 1985
## Record status
- **NPPES last updated:** August 4, 2014
- **Other identifiers:** Other CP2153 (CA); Medicare UPIN F78487 (CA); Medicare PIN 00G779733 (CA); and 6 more
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Source: [NPI Profile](https://npiprofile.com/npi/1225069537) · Data from the CMS NPPES public registry.