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WILLIAM ROBERT GRANDOLFO M.D.
NPI 1649596479
Radiology - Diagnostic Radiology in Fountain Valley, CA

Active since April 19, 2010PECOS Enrolled
17330 BROOKHURST STREET, SUITE 315, FOUNTAIN VALLEY, CA 92708(714) 377-3198(714) 377-3198 Get Directions Write a Review

NPPES record last updated: April 19, 2010. Verified against the NPPES registry weekly; last sync: August 02, 2026.

About William Robert Grandolfo M.d. NPPES

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

WILLIAM ROBERT GRANDOLFO M.D. (NPI 1649596479) is an individual diagnostic radiology provider in Fountain Valley, California, licensed in California (G13336) and active in the NPI registry since April 2010. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1649596479
Entity TypeIndividualMale
Primary Taxonomy2085R0202X
Provider Legal NameWILLIAM ROBERT GRANDOLFOCredential: M.D.
Location Address17330 BROOKHURST STREET, SUITE 315Fountain Valley, CA 92708
Mailing AddressP.o. Box 20890Fountain Valley, CA 92728-0890 · (714) 377-3128 · Fax (714) 377-3198
Phone(714) 377-3198
Fax(714) 377-3198
Sole ProprietorYes
Enumeration DateApril 19, 2010
✔ NPI 1649596479 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyRadiology · Diagnostic RadiologyAllopathic & Osteopathic Physicians
Taxonomy Code2085R0202X
License✔ Licensed in CA · G13336
Definition
A radiologist who utilizes x-ray, radionuclides, ultrasound and electromagnetic radiation to diagnose and treat disease.
17330 BROOKHURST STREET, Fountain Valley, CA 92708
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Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

William Robert Grandolfo M.d. 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 92708 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
$96.36 typical visit price
range $62.96 – $187.60
Typical copayment $24.09 (range $15.74 – $46.90)
Most-billed visit code 99203
Established Patient
$77.96 typical visit price
range $20.84 – $153.61
Typical copayment $19.49 (range $5.21 – $38.40)
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.

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 William Grandolfo's NPI number?

The NPI number for William Grandolfo is 1649596479. It was assigned to this individual provider in the NPPES registry on April 19, 2010.

Where is William Grandolfo located?

William Grandolfo practices at 17330 Brookhurst Street Suite 315, Fountain Valley, CA 92708. The listed phone number is (714) 377-3198.

What is William Grandolfo's specialty?

The primary specialty registered for this NPI is Radiology, specializing in Diagnostic Radiology, with taxonomy code 2085R0202X.

Is William Grandolfo enrolled in Medicare?

Yes. William Grandolfo is registered in the Medicare PECOS enrollment system.

When was this NPI record last updated?

The NPPES record for William Grandolfo was last updated on April 19, 2010. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 16 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.