Mark Michna, DDS, Inc.

Mark Michna, DDS, Inc. is a healthcare organization registered as General Practice Dentistry in Greenbrae, CA, holding Type 2 (organization) NPI 1174814008 since 2011. The authorized official on file is Mark Michna, Dentist.

✓ Active NPI ✓ Valid NPI checksum

NPI	1174814008
Entity type	Organization (Type 2)
Legal business name	Mark Michna, DDS, Inc.
Practice address	599 SIR FRANCIS DRAKE BLVD, SUITE 306, Greenbrae, CA, 94904
Phone	4154615351
Fax	4154614614
Enumeration date	2011-04-26
Last updated in NPPES	2012-10-04

Authorized official

Name	Mark Michna
Title	Dentist
Phone	4154614614

Taxonomy & classification

Taxonomy code	Specialty	Primary	License	State
1223G0001X	General Practice Dentistry	Primary	39586	CA

Copy-ready billing details

Provider: Mark Michna, DDS, Inc.
NPI: 1174814008
Taxonomy: 1223G0001X (General Practice Dentistry)
Address: 599 SIR FRANCIS DRAKE BLVD, SUITE 306, Greenbrae, CA, 94904

Providers at this address

NPI	Name	Type	Specialty	Location
1740289149	Nancy Trahms	Individual	Psychiatry Physician	Greenbrae, CA
1972582377	David Rowe	Individual	Pediatrics Physician	Greenbrae, CA
1598701211	Robert Ferretti	Individual	Orthopaedic Surgery Physician	Greenbrae, CA
1255447330	James Gardner	Individual	General Practice Physician	Greenbrae, CA
1730295643	Peter Stein	Individual	Rheumatology Physician	Greenbrae, CA
1699870741	Michael Foster	Individual	General Practice Dentistry	Greenbrae, CA
1235230525	Elizabeth Smith	Individual	Rheumatology Physician	Greenbrae, CA
1861574428	Robert S. Ferretti	Organization	Orthopaedic Surgery Physician	Greenbrae, CA

Verify this record

Cross-check NPI 1174814008 against the authoritative CMS record: view Mark Michna, DDS, Inc. on the official NPPES registry .

What is an NPI number?

A National Provider Identifier (NPI) is a unique 10-digit number that CMS assigns to every U.S. healthcare provider and organization under HIPAA. Type 1 NPIs identify individual providers; Type 2 NPIs identify organizations. The NPI appears on insurance claims, prescriptions, and credentialing paperwork, and never changes — even if the provider moves or changes specialty. Read the full guide or validate an NPI number.

Frequently asked questions

Where is Mark Michna, DDS, Inc. located?

The practice location on file with NPPES is in Greenbrae, CA.

How current is this record?

Data comes from the CMS NPPES public dissemination file; this record was last updated in NPPES on 2012-10-04. Verify at npiregistry.cms.hhs.gov.

Source: CMS NPPES (public data). Snapshot 2026-07-11. Provider record last updated 2012-10-04.