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MR. MARK THOMAS HELLNER MD
NPI 1659384881
Orthopaedic Surgery in Merced, CA

Active since August 15, 2006
900 W OLIVE AVE, SUITE A, MERCED, CA 95348(209) 388-0730(209) 388-0731 Get Directions Write a Review

NPPES record last updated: August 31, 2010. Verified against the NPPES registry weekly; last sync: August 02, 2026.

About Mr. Mark Thomas Hellner Md NPPES

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

MR. MARK THOMAS HELLNER MD (NPI 1659384881) is an individual orthopaedic surgery provider in Merced, California, licensed in California (G52055) and active in the NPI registry since August 2006.

NPPES Registry Identity

NPI1659384881
Entity TypeIndividualMale
Primary Taxonomy207X00000X
Provider Legal NameMR. MARK THOMAS HELLNERCredential: MD
Location Address900 W OLIVE AVE, SUITE AMerced, CA 95348-2429
Mailing Address900 W Olive Ave, Suite AMerced, CA 95348-2429 · (209) 388-0730 · Fax (209) 388-0731
Phone(209) 388-0730
Fax(209) 388-0731
Sole ProprietorNo
Enumeration DateAugust 15, 2006
Last NPPES UpdateAugust 31, 2010
✔ NPI 1659384881 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyOrthopaedic SurgeryAllopathic & Osteopathic Physicians
Taxonomy Code207X00000X
License✔ Licensed in CA · G52055
Definition
An orthopaedic surgeon is trained in the preservation, investigation and restoration of the form and function of the extremities, spine and associated structures by medical, surgical and physical means. An orthopaedic surgeon is involved with the care of patients whose musculoskeletal problems include congenital deformities, trauma, infections, tumors, metabolic disturbances of the musculoskeletal system, deformities, injuries and degenerative diseases of the spine, hands, feet, knee, hip, shoulder and elbow in children and adults. An orthopaedic surgeon is also concerned with primary and secondary muscular problems and the effects of central or peripheral nervous system lesions of the musculoskeletal system.
900 W OLIVE AVE, Merced, CA 95348
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Other Identifiers 4

Medicare ID-Type Unspecified00G520550CA
Medicare PINDC8142CA
Medicaid00G520550CA
Medicare UPINA52151

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 T HELLNER MD INC
Orthopaedic Surgery
900 W OLIVE AVE, SUITE A
MERCED, CA 95348
Merced County (209) 388-0730
EVERGREEN CARE MEDICAL
Internal Medicine (Cardiovascular Disease)
900 W OLIVE AVE, STE D
MERCED, CA 95348
Merced County (209) 723-2037

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 Hellner's NPI number?

The NPI number for Mark Hellner is 1659384881. It was assigned to this individual provider in the NPPES registry on August 15, 2006.

Where is Mark Hellner located?

Mark Hellner practices at 900 W Olive Ave Suite A, Merced, CA 95348. The listed phone number is (209) 388-0730.

What is Mark Hellner's specialty?

The primary specialty registered for this NPI is Orthopaedic Surgery with taxonomy code 207X00000X.

When was this NPI record last updated?

The NPPES record for Mark Hellner was last updated on August 31, 2010. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 15 years 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.