DR. RONALD MARK TILSEN M.D. NPI 1801852280

NPI Information

  • NPI: 1801852280
  • Provider Name: DR. RONALD MARK TILSEN, M.D.
  • Classification: Internal Medicine - 207R00000X
  • Entity Type: Individual
  • PECOS Registration: Yes
  • Address: 400 NEWPORT CENTER DR
    SUITE 608
    NEWPORT BEACH, CA
    ZIP 92660
  • Phone: (949) 644-3559

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NPI Details

DR. Ronald Mark Tilsen, M.D. is an internal medicine in Newport Beach, CA. The provider is a physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs. DR. Ronald Mark Tilsen, M.D. NPI is 1801852280. The provider is registered as an individual entity type.

The NPPES NPI record indicates the provider is a male.

The provider's business location address is:

400 NEWPORT CENTER DR
SUITE 608
NEWPORT BEACH, CA
ZIP 92660-601
Phone: (949) 644-3559
Fax: (949) 718-6729

The NPI 1801852280 is registered in the Medicare Provider, Enrollment, Chain and Ownership System (PECOS). The provider is legally eligible to order and refer Part B (Clinical Laboratory and Imaging), Durable Medical Equipment, Part A Home Health Agency (HHA), Power Mobility Devices.

The enumeration date for this NPI number is 4/25/2006 and was last updated on 7/8/2007.

Taxonomy Codes

The NPI record includes the healthcare provider taxonomy classification, state license number and state of licensure. The following information regarding the scope of practice of this provider is available:

No. Taxonomy Code Taxonomy Clasification Taxonomy Specialization License Number License State Primary
1207R00000XInternal MedicineG34508CALIFORNIAYes

Other Identifiers

The following information regarding additional identifiers associated to this NPI record includes the other identifier number, identifier type, identifier state and issuer.

No. Other Provider Identifier Other Provider Identifier Type Other Provider Identifier State Other Provider Identifier Issuer
1WG34508AMEDICARE ID-TYPE UNSPECIFIEDCALIFORNIA
2A45954MEDICARE UPINCALIFORNIA

What is NPI?

NPI stands for National Provider Identifier. The NPI is a 10-digit identification number that is completely unique. The NPI number by itself does not contain any identifiable information such as a provider’s speciality or location. The NPI is assigned to individuals or organizacions for their lifespan and it is independent of key provider information type updates like a change of practices, location or speciality.

This page was last updated on: 3/30/2025

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