Dr. Marc Romayne Davidson, MD

Dr. Marc Romayne Davidson is a Orthopaedic Surgery Physician provider (Orthopaedic Surgery) practicing in Gresham, OR, registered in the NPPES registry with NPI 1225017783 since 2006. The credential MD stands for Doctor of Medicine. Practices at Advantage Orthopedic and Sports Medicine Clinic LLP (listed at the same practice address in NPPES).

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NPI	1225017783
Entity type	Individual (Type 1)
Name	Dr. Marc Romayne Davidson
Credential	MD
Sex	Male
Practice address	24076 SE STARK, STE 110, Gresham, OR, 97030
Phone	5036615388
Fax	5036663393
Enumeration date	2006-01-12
Last updated in NPPES	2007-07-08

Taxonomy & licenses

Taxonomy code	Specialty	Primary	License	State
207X00000X	Orthopaedic Surgery Physician	Primary	MD17775	OR

MD — Doctor of Medicine: A physician who completed medical school (allopathic medicine), residency training, and state licensure. About the MD credential

Copy-ready billing details

Provider: Marc Davidson, MD
NPI: 1225017783
Taxonomy: 207X00000X (Orthopaedic Surgery Physician)
Address: 24076 SE STARK, STE 110, Gresham, OR, 97030

Other providers at this practice address

NPI	Name	Type	Specialty	Location
1477533966	Jeffreys Albright	Individual	Orthopaedic Surgery Physician	Gresham, OR
1386624872	Bret Dales	Individual	Orthopaedic Surgery Physician	Gresham, OR
1598798365	Advantage Orthopedic and Sports Medicine Clinic LLP	Organization	Specialist	Gresham, OR

Verify this record

Cross-check NPI 1225017783 against the authoritative CMS record: view Dr. Marc Romayne Davidson on the official NPPES registry .

What is an NPI number?

A National Provider Identifier (NPI) is a unique 10-digit number that CMS assigns to every U.S. healthcare provider and organization under HIPAA. Type 1 NPIs identify individual providers; Type 2 NPIs identify organizations. The NPI appears on insurance claims, prescriptions, and credentialing paperwork, and never changes — even if the provider moves or changes specialty. Read the full guide or validate an NPI number.

Frequently asked questions

Where does Marc Davidson practice?

The practice location on file with NPPES is in Gresham, OR. Providers can have multiple locations; NPPES lists the primary practice address.

What is the NPI number for Marc Davidson?

The National Provider Identifier (NPI) for Marc Davidson is 1225017783, a Type 1 (individual) record in the CMS NPPES registry.

Source: CMS NPPES (public data). Snapshot 2026-07-11. Provider record last updated 2007-07-08.