Garrett Tien, D.D.S.

General Practice Dentistry · Hayward, CA

Individual Active NPI

NPI number 1811296916

Practice location

22331 Mission Blvd
Hayward, CA 94541-3911
Phone
(510) 471-5880

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NPI record

NPI
1811296916
Entity type
Individual (Type 1)
Enumeration date
March 15, 2011
Last updated
April 8, 2026
Certified
April 8, 2026
Sole proprietor
No

Specialties & taxonomy codes

TaxonomyCodeLicenseState
General Practice Dentistry Primary 1223G0001X 60220 CA

Other practice locations (4)

  • 680 W Tennyson Rd Rm 12, Hayward, CA 94544-5236 · (510) 471-5880
  • 28300 Huntwood Ave, Hayward, CA 94544-5425 · (510) 471-5880
  • 33255 9th St, Union City, CA 94587-2137 · (510) 471-5880
  • 16110 E 14th St, Ashland, CA 94578-3002 · (510) 471-5880

About Dr. Tien

Garrett Tien, D.D.S. is a healthcare provider registered in the NPI registry with the primary taxonomy General Practice Dentistry (code 1223G0001X). The practice location is 22331 Mission Blvd, Hayward, CA 94541-3911. The NPI number 1811296916 was assigned on March 15, 2011 and the record was last updated on April 8, 2026.

Dr. Tien lists a license in the registry: #60220 (CA) for General Practice Dentistry. License numbers are self-reported to NPPES; verify them with the state licensing board.

Frequently asked questions

What is the NPI number of Garrett Tien, D.D.S.?

The NPI number is 1811296916.

What is the phone number of Dr. Tien?

The phone number listed for the practice location is (510) 471-5880.

Where is Dr. Tien located?

22331 Mission Blvd, Hayward, CA 94541-3911.

What is the taxonomy code for Dr. Tien?

The primary taxonomy code is 1223G0001X – General Practice Dentistry.

Is this information correct?

All details come from the public NPPES registry. Providers can update their record at nppes.cms.hhs.gov; changes appear here after the next weekly update.

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