DR. JOHN HAROLD ERNSBERGER M.D.
NPI 1720330301
Internal Medicine in Anaheim, CA

Active since October 08, 2012
3055 W ORANGE AVE, ANAHEIM, CA 92804(714) 527-7559 Get Directions Write a Review

NPPES record last updated: October 8, 2012. Verified against the NPPES registry weekly; last sync: July 26, 2026.

About Dr. John Harold Ernsberger M.d. NPPES

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

DR. JOHN HAROLD ERNSBERGER M.D. (NPI 1720330301) is an individual internal medicine provider in Anaheim, California, licensed in California (A43611) and active in the NPI registry since October 2012.

NPPES Registry Identity

NPI1720330301
Entity TypeIndividualMale
Primary Taxonomy207R00000X
Provider Legal NameDR. JOHN HAROLD ERNSBERGERCredential: M.D.
Location Address3055 W ORANGE AVEAnaheim, CA 92804-3159
Mailing Address3055 W. Orange AveAnaheim, CA 92804 · (714) 527-7559
Sole ProprietorYes
Enumeration DateOctober 8, 2012
NPI 1720330301 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
License Licensed in CA · A43611
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.

3055 W ORANGE AVE, Anaheim, CA 92804

Other Providers at the Same Location NPPES 13

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

Ophthalmology
3055 W ORANGE AVE, STE 104
ANAHEIM, CA 92804
Social Worker
3055 W ORANGE AVE
ANAHEIM, CA 92804
Dermatology
3055 W ORANGE AVE, #207
ANAHEIM, CA 92804
Specialist
3055 W ORANGE AVE, SUITE 202
ANAHEIM, CA 92804
Physical Therapist
3055 W ORANGE AVE, SUITE 202
ANAHEIM, CA 92804
Internal Medicine
3055 W ORANGE AVE, SUITE 201
ANAHEIM, CA 92804
Internal Medicine
3055 W ORANGE AVE, STE 103
ANAHEIM, CA 92804
Dermatology (Procedural Dermatology)
3055 W ORANGE AVE, #207
ANAHEIM, CA 92804

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 John Ernsberger's NPI number?

The NPI number for John Ernsberger is 1720330301. It was assigned to this individual provider in the NPPES registry on October 8, 2012.

Where is John Ernsberger located?

John Ernsberger practices at 3055 W Orange Ave, Anaheim, CA 92804. The listed phone number is (714) 527-7559.

What is John Ernsberger'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 John Ernsberger was last updated on October 8, 2012. NPI Profile syncs with the weekly NPPES data releases published by CMS.