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MARK C. O'BRIEN, D.O., INC.
NPI 1346060860
Internal Medicine in Vista, CA

Active since October 10, 2024
161 THUNDER DR STE 210, VISTA, CA 92083(760) 889-1763 Get Directions Write a Review

NPPES record last updated: October 10, 2024. Verified against the NPPES registry weekly; last sync: August 02, 2026.

About Mark C. O'brien, D.o., Inc. NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

MARK C. O'BRIEN, D.O., INC. (NPI 1346060860) is a healthcare organization registered as an internal medicine in Vista, California and active in the NPI registry since October 2024. The organization lists Mark Conway O'brien, President, as its authorized official.

NPPES Registry Identity

NPI1346060860
Entity TypeOrganization
Primary Taxonomy207R00000X
Legal Business NameMARK C. O'BRIEN, D.O., INC.
Location Address161 THUNDER DR STE 210Vista, CA 92083-6052
Mailing Address6786 Vermarine CtCarlsbad, CA 92009-1705 · (760) 889-1763
Phone(760) 889-1763
Organization SubpartNo
Authorized OfficialMark Conway O'brienPresident · (760) 889-1763
Enumeration DateOctober 10, 2024
NPPES CertifiedOctober 10, 2024
✔ NPI 1346060860 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
Definition
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.
161 THUNDER DR STE 210, Vista, CA 92083
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Group Practice 1

Group TaxonomyThis provdier is a business group of one or more individual practitioners, all of who practice with the same area of specialization.193400000X SINGLE SPECIALTY GROUP

Other Providers at the Same Location NPPES 2

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

MARK C O'BRIEN D.O.
Internal Medicine
161 THUNDER DR STE 210
VISTA, CA 92083
San Diego County (760) 216-6500
MS. MICHELLE MARIE VANAMAN RNFA, CNOR
Registered Nurse (Registered Nurse First Assistant)
161 THUNDER DR STE 210
VISTA, CA 92083
San Diego County (760) 724-0400

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 Mark C. O'brien, D.O., Inc.'s NPI number?

The NPI number for Mark C. O'brien, D.O., Inc. is 1346060860. It was assigned to this organization in the NPPES registry on October 10, 2024.

Where is Mark C. O'brien, D.O., Inc. located?

Mark C. O'brien, D.O., Inc. is located at 161 Thunder Dr Ste 210, Vista, CA 92083. The listed phone number is (760) 889-1763.

What is Mark C. O'brien, D.O., Inc.'s specialty?

The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.

When was this NPI record last updated?

The NPPES record for Mark C. O'brien, D.O., Inc. was last updated on October 10, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 21 months 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.