Dr. Mark Hart M.D.
About this NPIWhat this record shows.
NPI 1134111669 is registered to Dr. Mark Hart M.D., a Cardiovascular Disease practising at 10000 Se Main St Ste 60 in Portland, Oregon. Cardiology is a medical specialty focused on disorders of the heart and blood vessels, including coronary artery disease, heart failure, arrhythmias, and hypertension. Dr. Mark Hart M.D. has been enumerated in the National Provider Identifier (NPI) registry since 2005.
Beyond the registryWhat this record adds.
This record carries 1 secondary identifier beyond the base NPI: Medicaid and other payer cross-references used by billers and credentialers, which the standard CMS NPPES lookup does not surface. It is enrolled in Medicare, linking to 2 PECOS enrollment records (each with a public Medicare Enrollment ID) sourced from CMS, which the NPPES registry does not list. Within the directory it is one of 312 Cardiovascular Disease providers on file in Oregon.
Source: CMS NPPES and PECOS public files. snapshot, refreshed monthly.
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
- 044193OR
Source: NPPES public registry.
Medicare enrollment
This provider holds 2 Medicare enrollments on file with the Provider Enrollment, Chain and Ownership System (PECOS). Each enrollment carries a public Medicare Enrollment ID (ENRLMT_ID) used by billers and intermediaries.
Practitioner
- I20100323000867Cardiovascular Disease (Cardiology)OR
- I20211001002688Cardiovascular Disease (Cardiology)WA
Source: CMS PECOS public enrollment file.
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. Mark Hart M.D. accepts. To confirm in-network status with your specific health plan, contact Dr. Mark Hart M.D. directly at (503) 257-0959.
Frequently asked
Yes. NPI 1134111669 is registered as Active in the CMS NPPES public registry and passes the Luhn check-digit validation that all 10-digit NPIs use.
Cardiology is a medical specialty focused on disorders of the heart and blood vessels, including coronary artery disease, heart failure, arrhythmias, and hypertension.
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) 257-0959.
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. Mark Hart M.D. is a Type-1 individual NPI.
As of the latest monthly CMS NPPES snapshot, 312 Cardiovascular Disease providers are registered in Oregon, and Dr. Mark Hart M.D. is one of them. The figure refreshes each month from the federal source.