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DR. NADIA HASSAN DDS
NPI 1114231610
Dentist - Oral and Maxillofacial Surgery in Diamond Bar, CA

Active since July 27, 2010Opted out of Medicare · through Sep 25, 2027
22205 RIM FIRE LN, DIAMOND BAR, CA 91765(310) 825-0834 Get Directions Write a Review

NPPES record last updated: July 27, 2010. Verified against the NPPES registry weekly; last sync: August 02, 2026.

About Dr. Nadia Hassan Dds NPPES

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

DR. NADIA HASSAN DDS (NPI 1114231610) is an individual oral and maxillofacial surgery provider in Diamond Bar, California, licensed in California (59478) and active in the NPI registry since July 2010. She has opted out of Medicare through September 25, 2027 and remains eligible to order and refer.

NPPES Registry Identity

NPI1114231610
Entity TypeIndividualFemale
Primary Taxonomy1223S0112X
Provider Legal NameDR. NADIA HASSANCredential: DDS
Location Address22205 RIM FIRE LNDiamond Bar, CA 91765-3608
Mailing Address22205 Rim Fire LnDiamond Bar, CA 91765-3608
Phone(310) 825-0834
Sole ProprietorNo
Enumeration DateJuly 27, 2010
✔ NPI 1114231610 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyDentist · Oral and Maxillofacial SurgeryDental Providers
Taxonomy Code1223S0112X
License✔ Licensed in CA · 59478
Definition
An oral and maxillofacial surgery dentist specialized in the diagnosis, surgical and adjunctive treatment of diseases, injuries and defects involving both the functional and esthetic aspects of the hard and soft tissues of the oral and maxillofacial region.
22205 RIM FIRE LN, Diamond Bar, CA 91765
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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 Alabama and more.Insurance ›

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

ⓘ

Opted out of Medicare

Dr. Nadia Hassan 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 25, 2025 through September 25, 2027.

Opt-Out Effective DateSeptember 25, 2025
Opt-Out In Effect ThroughSeptember 25, 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 91765 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 Nadia Hassan's NPI number?

The NPI number for Nadia Hassan is 1114231610. It was assigned to this individual provider in the NPPES registry on July 27, 2010.

Where is Nadia Hassan located?

Nadia Hassan practices at 22205 Rim Fire Ln, Diamond Bar, CA 91765. The listed phone number is (310) 825-0834.

What is Nadia Hassan's specialty?

The primary specialty registered for this NPI is Dentist, specializing in Oral and Maxillofacial Surgery, with taxonomy code 1223S0112X.

Is Nadia Hassan enrolled in Medicare?

No. Nadia Hassan has opted out of Medicare through September 25, 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.

What insurance does Nadia Hassan accept?

Health plans from Anthem Blue Cross and Blue Shield, BEST Life, Blue Cross and Blue Shield of Alabama, Blue Cross and Blue Shield of Montana and Blue Cross and Blue Shield of Oklahoma and 7 other insurers list Nadia Hassan 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 Nadia Hassan was last updated on July 27, 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.