RONALD GIORDAN DDS
NPI 1902993355
Dentist - General Practice in Phoenix, AZ

Q: What is Ronald Giordan's NPI number?

The NPI number for Ronald Giordan is 1902993355. It was assigned to this individual provider in the NPPES registry on October 6, 2006.

Q: What is Ronald Giordan's specialty?

The primary specialty registered for this NPI is Dentist, specializing in General Practice, with taxonomy code 1223G0001X.

Q: Is Ronald Giordan enrolled in Medicare?

No. Ronald Giordan has opted out of Medicare through September 23, 2027. Care is provided under private contracts, and Medicare does not pay for services furnished by providers who have opted out. The provider remains eligible to order and refer services for Medicare patients.

Q: When was this NPI record last updated?

The NPPES record for Ronald Giordan was last updated on July 8, 2007. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 19 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.

Active since October 06, 2006Opted out of Medicare · through Sep 23, 2027

4159 W THUNDERBIRD RD, PHOENIX, AZ 85053(602) 938-1312(602) 863-6655 Get Directions Write a Review

NPPES record last updated: July 8, 2007. Verified against the NPPES registry weekly; last sync: August 09, 2026.

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About Ronald Giordan Dds NPPES

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

RONALD GIORDAN DDS (NPI 1902993355) is an individual general practice provider in Phoenix, Arizona, licensed in Arizona (1093) and active in the NPI registry since October 2006. He has opted out of Medicare through September 23, 2027 and remains eligible to order and refer.

NPPES Registry Identity

NPI1902993355

Entity TypeIndividualMale

Primary Taxonomy1223G0001X

Provider Legal NameRONALD GIORDANCredential: DDS

Location Address4159 W THUNDERBIRD RDPhoenix, AZ 85053-5341

Mailing Address4159 W Thunderbird RdPhoenix, AZ 85053-5341 · (602) 938-1312 · Fax (602) 863-6655

Phone(602) 938-1312

Fax(602) 863-6655

Sole ProprietorNo

Enumeration DateOctober 6, 2006

Last NPPES UpdateJuly 8, 2007

✔ NPI 1902993355 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyDentist · General PracticeDental Providers

Taxonomy Code1223G0001X

License✔ Licensed in AZ · 1093

Definition

A general dentist is the primary dental care provider for patients of all ages. The general dentist is responsible for the diagnosis, treatment, management and overall coordination of services related to patients' oral health needs.

4159 W THUNDERBIRD RD, Phoenix, AZ 85053

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Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

ⓘ

Opted out of Medicare

Ronald Giordan Dds has filed a Medicare opt-out affidavit. Services are provided under private contract between the provider and the patient, and are not billed to or reimbursed by Medicare. The opt-out is on file from September 23, 2015 through September 23, 2027.

Opt-Out Effective DateSeptember 23, 2015

Opt-Out In Effect ThroughSeptember 23, 2027Opt-out affidavits renew automatically every two years unless cancelled

Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency– Power Mobility DevicesAn opted-out provider can still order and refer for Medicare patients in the categories marked above, even though their own services are not covered.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 85053 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

$85.89 typical visit price

range $55.44 – $168.60

Typical copayment $21.47 (range $13.86 – $42.15)

Most-billed visit code 99203

Established Patient

$69.24 typical visit price

range $17.72 – $137.41

Typical copayment $17.31 (range $4.43 – $34.35)

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 2

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

ASSOCIATED DENTAL CARE PROVIDERS

Dentist (General Practice)

4159 W THUNDERBIRD RD
PHOENIX, AZ 85053

Maricopa County (602) 938-1312

SHILPA PATEL DDS

Dentist (General Practice)

4159 W THUNDERBIRD RD
PHOENIX, AZ 85053

Maricopa County (602) 938-1312

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 Ronald Giordan's NPI number?

The NPI number for Ronald Giordan is 1902993355. It was assigned to this individual provider in the NPPES registry on October 6, 2006.

Where is Ronald Giordan located?

Ronald Giordan practices at 4159 W Thunderbird Rd, Phoenix, AZ 85053. The listed phone number is (602) 938-1312.

What is Ronald Giordan's specialty?

The primary specialty registered for this NPI is Dentist, specializing in General Practice, with taxonomy code 1223G0001X.

Is Ronald Giordan enrolled in Medicare?

No. Ronald Giordan has opted out of Medicare through September 23, 2027. Care is provided under private contracts, and Medicare does not pay for services furnished by providers who have opted out. The provider remains eligible to order and refer services for Medicare patients.

When was this NPI record last updated?

The NPPES record for Ronald Giordan was last updated on July 8, 2007. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 19 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.