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NICHOLAS H. MAST, M.D., INC.
NPI 1235490061
Orthopaedic Surgery in Novato, CA

Active since June 07, 2012
100 ROWLAND WAY STE 200, NOVATO, CA 94945(415) 530-5330(415) 530-5333 Get Directions Write a Review

NPPES record last updated: January 9, 2023. Verified against the NPPES registry weekly; last sync: August 02, 2026.

About Nicholas H. Mast, M.d., Inc. NPPES

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

NICHOLAS H. MAST, M.D., INC. (NPI 1235490061) is a healthcare organization registered as an orthopaedic surgery in Novato, California and active in the NPI registry since June 2012. The organization maintains 2 additional practice locations and lists Nicholas H Mast, Owner, as its authorized official.

NPPES Registry Identity

NPI1235490061
Entity TypeOrganization
Primary Taxonomy207X00000X
Legal Business NameNICHOLAS H. MAST, M.D., INC.
Location Address100 ROWLAND WAY STE 200Novato, CA 94945-5041
Mailing Address8 Alpine Lily PlSan Rafael, CA 94903-1090 · (415) 353-6380 · Fax (415) 353-6462
Phone(415) 530-5330
Fax(415) 530-5333
Organization SubpartNo
Authorized OfficialNicholas H MastOwner · (415) 530-5330
Enumeration DateJune 7, 2012
Last NPPES UpdateJanuary 9, 2023
NPPES CertifiedJanuary 9, 2023
✔ NPI 1235490061 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 · A98951
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.
100 ROWLAND WAY STE 200, Novato, CA 94945
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Secondary Practice Locations 2

Location 18 Alpine Lily PlSan Rafael, CA 94903-1090 · Phone (415) 717-9776 · Fax (415) 530-5333
Location 22250 Hayes St Ste 208San Francisco, CA 94117-1078 · Phone (415) 530-5330 · Fax (415) 530-5333

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 3

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

NOAH D. WEISS, MD INC
Orthopaedic Surgery
100 ROWLAND WAY STE 200
NOVATO, CA 94945
Marin County (707) 935-5600
PAIN MEDICINE CONSULTANTS
Non-Pharmacy Dispensing Site
100 ROWLAND WAY STE 200
NOVATO, CA 94945
Marin County (415) 878-0255
NICHOLAS H. MAST MD
Orthopaedic Surgery
100 ROWLAND WAY STE 200
NOVATO, CA 94945
Marin County (415) 530-5330

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 Nicholas H. Mast, M.D., Inc.'s NPI number?

The NPI number for Nicholas H. Mast, M.D., Inc. is 1235490061. It was assigned to this organization in the NPPES registry on June 7, 2012.

Where is Nicholas H. Mast, M.D., Inc. located?

Nicholas H. Mast, M.D., Inc. is located at 100 Rowland Way Ste 200, Novato, CA 94945. The listed phone number is (415) 530-5330.

What is Nicholas H. Mast, M.D., Inc.'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 Nicholas H. Mast, M.D., Inc. was last updated on January 9, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 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.