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DR. GORDON JAMES BLOCK D.D.S.
NPI 1891890513
Dentist - Endodontics in Sunnyvale, CA

Active since September 14, 2006PECOS Enrolled
1565 HOLLENBECK AVE, SUITE #106, SUNNYVALE, CA 94087(408) 739-9700(408) 739-2617 Get Directions Write a Review

NPPES record last updated: July 8, 2007. Verified against the NPPES registry weekly; last sync: July 26, 2026.

About Dr. Gordon James Block D.d.s. NPPES

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

DR. GORDON JAMES BLOCK D.D.S. (NPI 1891890513) is an individual endodontics provider in Sunnyvale, California, licensed in California (24362) and active in the NPI registry since September 2006. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1891890513
Entity TypeIndividualMale
Primary Taxonomy1223E0200X
Provider Legal NameDR. GORDON JAMES BLOCKCredential: D.D.S.
Location Address1565 HOLLENBECK AVE, SUITE #106Sunnyvale, CA 94087-5922
Mailing Address1565 Hollenbeck Ave, Suite #106Sunnyvale, CA 94087-5922 · (408) 739-9700 · Fax (408) 739-2617
Phone(408) 739-9700
Fax(408) 739-2617
Sole ProprietorYes
Enumeration DateSeptember 14, 2006
Last NPPES UpdateJuly 8, 2007
✔ NPI 1891890513 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyDentist · EndodonticsDental Providers
Taxonomy Code1223E0200X
License✔ Licensed in CA · 24362
Definition

The branch of dentistry that is concerned with the morphology, physiology and pathology of the human dental pulp and periradicular tissues. Its study and practice encompass the basic and clinical sciences including biology of the normal pulp, the etiology, diagnosis, prevention and treatment of diseases and injuries of the pulp and associated periradicular conditions.

1565 HOLLENBECK AVE, Sunnyvale, CA 94087
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Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Anthem Blue Cross and Blue Shield, BEST Life, Blue Cross and Blue Shield of Montana and more.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Dr. Gordon James Block D.d.s. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency– Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 94087 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$106.47 typical visit price
range $70.37 – $206.04
Typical copayment $26.61 (range $17.59 – $51.51)
Most-billed visit code 99203
Established Patient
$86.56 typical visit price
range $23.96 – $169.60
Typical copayment $21.64 (range $5.99 – $42.40)
Most-billed visit code 99213
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES 11

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

JOUJOU DI-SON NGUYENPHUC DDS
Dentist (Endodontics)
1565 HOLLENBECK AVE
SUNNYVALE, CA 94087
Santa Clara County (408) 774-9198
DR. MARYSE MICHELLE AUBERT MARYSE AUBERT, D.D.S
Dentist (Orthodontics and Dentofacial Orthopedics)
1565 HOLLENBECK AVE, SUITE 105
SUNNYVALE, CA 94087
Santa Clara County (408) 737-0660
MICHAEL G. LEONG D.D.S.
Dentist
1565 HOLLENBECK AVE, SUITE 102
SUNNYVALE, CA 94087
Santa Clara County (408) 245-1802
GABRIEL CANO DDS, A DENTAL CORP
Dentist (General Practice)
1565 HOLLENBECK AVE, SUITE 112
SUNNYVALE, CA 94087
Santa Clara County (408) 739-9047
DR. VICTORIA NGUYEN DDS
Dentist (General Practice)
1565 HOLLENBECK AVE
SUNNYVALE, CA 94087
Santa Clara County (669) 777-5918
DR. ANTHONY D BEECH DDS
Dentist (Oral and Maxillofacial Pathology)
1565 HOLLENBECK AVE, 104
SUNNYVALE, CA 94087
Santa Clara County (408) 245-6010
NATALIE WALKER
Dental Assistant
1565 HOLLENBECK AVE
SUNNYVALE, CA 94087
Santa Clara County (140) 873-6685
DR. HOLLY DUNLOP HARDING D.M.D.
Dentist (General Practice)
1565 HOLLENBECK AVE, SUITE 116
SUNNYVALE, CA 94087
Santa Clara County (408) 736-6132

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 Gordon Block's NPI number?

The NPI number for Gordon Block is 1891890513. It was assigned to this individual provider in the NPPES registry on September 14, 2006.

Where is Gordon Block located?

Gordon Block practices at 1565 Hollenbeck Ave Suite #106, Sunnyvale, CA 94087. The listed phone number is (408) 739-9700.

What is Gordon Block's specialty?

The primary specialty registered for this NPI is Dentist, specializing in Endodontics, with taxonomy code 1223E0200X.

Is Gordon Block enrolled in Medicare?

Yes. Gordon Block is registered in the Medicare PECOS enrollment system.

What insurance does Gordon Block accept?

Health plans from Anthem Blue Cross and Blue Shield, BEST Life, Blue Cross and Blue Shield of Montana, Blue Cross and Blue Shield of Oklahoma and Blue Cross and Blue Shield of Texas and 5 other insurers list Gordon Block as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

When was this NPI record last updated?

The NPPES record for Gordon Block was last updated on July 8, 2007. NPI Profile syncs with the weekly NPPES data releases published by CMS.