Dr. Douglas Grossnickle MD
About this NPIWhat this record shows.
NPI 1669418810 is registered to Dr. Douglas Grossnickle MD, a Geriatric Medicine (Internal Medicine) Physician practising at 10373 Ne Hancock, Suite 219 in Portland, Oregon. Geriatric Medicine (Internal Medicine) Physician is a recognised medical specialty under the National Uniform Claim Committee (NUCC) taxonomy. Dr. Douglas Grossnickle MD has been enumerated in the National Provider Identifier (NPI) registry since 2006.
Your brand here.
Secondary identifiers
Additional identifiers this provider has registered with NPPES. Used by medical billers, credentialers, and insurance verifiers to cross-reference claims and enrollments.
Medicaid
- 264119OR
Source: NPPES public registry.
Insurance & acceptsHow to confirm coverage.
The National Plan and Provider Enumeration System (NPPES) registry does not include commercial insurance network data, so we cannot show which plans Dr. Douglas Grossnickle MD accepts. To confirm in-network status with your specific health plan, contact Dr. Douglas Grossnickle MD directly at (503) 775-7407.
Frequently asked
Yes. NPI 1669418810 is registered as Active in the CMS NPPES public registry and passes the Luhn check-digit validation that all 10-digit NPIs use.
Geriatric Medicine (Internal Medicine) Physician is a recognised medical specialty under the National Uniform Claim Committee (NUCC) taxonomy.
The CMS NPPES Public Registry at npiregistry.cms.hhs.gov is the authoritative source. FindMyNPI mirrors this dataset and refreshes monthly. For real-time verification, you can also call the provider's office at (503) 775-7407.
An individual healthcare provider has a single Type-1 NPI for life. Organisations can hold separate Type-2 NPIs per location, specialty, or sub-entity. Dr. Douglas Grossnickle MD is a Type-1 individual NPI.