Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

ANDREW G. IWACH MD A PROFESSIONAL CORPORATION
NPI 1598834632
Orthopaedic Surgery in San Francisco, CA

Active since November 06, 2006
55 STEVENSON ST, SAN FRANCISCO, CA 94105(415) 981-2020(415) 981-2019 Get Directions Write a Review

NPPES record last updated: August 3, 2026. Verified against the NPPES registry weekly; last sync: August 16, 2026.

About Andrew G. Iwach Md A Professional Corporation NPPES

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

ANDREW G. IWACH MD A PROFESSIONAL CORPORATION (NPI 1598834632) is a healthcare organization registered as an orthopaedic surgery in San Francisco, California and active in the NPI registry since November 2006. The organization lists Andrew Iwach, Owner, as its authorized official.

NPPES Registry Identity

NPI1598834632
Entity TypeOrganization
Primary Taxonomy207X00000X
Legal Business NameANDREW G. IWACH MD A PROFESSIONAL CORPORATION
Location Address55 STEVENSON STSan Francisco, CA 94105-2936
Mailing Address55 Stevenson StSan Francisco, CA 94105-2936 · (415) 981-2020 · Fax (415) 981-2019
Fax(415) 981-2019
Organization SubpartNo
Authorized OfficialAndrew IwachOwner · (415) 989-2020
Enumeration DateNovember 6, 2006
Last NPPES UpdateAugust 3, 2026
NPPES CertifiedAugust 3, 2026
NPI 1598834632 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

Primary SpecialtyOrthopaedic SurgeryAllopathic & Osteopathic Physicians
Taxonomy Code207X00000X
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.
Also ListedOphthalmologyTaxonomy 207W00000X · License G56142 (CA)
55 STEVENSON ST, San Francisco, CA 94105

Other Identifiers 1

Medicaid00G561420CA

Group Practice 1

Group TaxonomyThis provider is a business group of one or more individual practitioners, who practice with different areas of specialization.193200000X MULTI-SPECIALTY GROUP

Other Providers at the Same Location NPPES 3

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

Ophthalmology
55 STEVENSON ST
SAN FRANCISCO, CA 94105
Ophthalmology
55 STEVENSON ST
SAN FRANCISCO, CA 94105
Ophthalmology
55 STEVENSON ST
SAN FRANCISCO, CA 94105

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 Andrew G. Iwach MD A Professional Corporation's NPI number?

The NPI number for Andrew G. Iwach MD A Professional Corporation is 1598834632. It was assigned to this organization in the NPPES registry on November 6, 2006.

Where is Andrew G. Iwach MD A Professional Corporation located?

Andrew G. Iwach MD A Professional Corporation is located at 55 Stevenson St, San Francisco, CA 94105. The listed phone number is (415) 981-2020.

What is Andrew G. Iwach MD A Professional Corporation'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 Andrew G. Iwach MD A Professional Corporation was last updated on August 3, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 15 days 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.