Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

SAMAR NAHAS MD
NPI 1831478395
Obstetrics & Gynecology - Gynecologic Oncology in Riverside, CA

Active since August 15, 2011PECOS Enrolled
4500 BROCKTON AVE STE 316, RIVERSIDE, CA 92501(951) 888-3277(844) 751-3035 Get Directions Write a Review

NPPES record last updated: September 16, 2026. Verified against the NPPES registry weekly; last sync: September 20, 2026.

Record update history: Sep 16, 2026, Apr 16, 2026, Apr 3, 2026 and 1 more (4 updates tracked since 2020).

About Samar Nahas Md NPPES

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

SAMAR NAHAS MD (NPI 1831478395) is an individual gynecologic oncology provider in Riverside, California, licensed in California (A137858) and active in the NPI registry since August 2011. She is enrolled in Medicare PECOS, maintains a secondary practice location in Riverside, and is a graduate of Other (2002).

NPPES Registry Identity

NPI1831478395
Entity TypeIndividualFemale
Primary Taxonomy207VX0201X
Provider Legal NameSAMAR NAHASCredential: MD
Location Address4500 BROCKTON AVE STE 316Riverside, CA 92501-4090
Mailing Address4500 Brockton Ave Ste 316Riverside, CA 92501-4090 · (951) 888-3277 · Fax (844) 751-3035
Fax(844) 751-3035
Sole ProprietorNo
Medical School CMSOtherGraduated 2002
Enumeration DateAugust 15, 2011
Last NPPES UpdateSeptember 16, 20264 updates tracked since enumeration
NPPES CertifiedSeptember 16, 2026
✔ NPI 1831478395 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyObstetrics & Gynecology · Gynecologic OncologyAllopathic & Osteopathic Physicians
Taxonomy Code207VX0201X
License✔ Licensed in CA · A137858
Definition
An obstetrician/gynecologist who provides consultation and comprehensive management of patients with gynecologic cancer, including those diagnostic and therapeutic procedures necessary for the total care of the patient with gynecologic cancer and resulting complications.
Also ListedObstetrics & Gynecology · GynecologyTaxonomy 207VG0400X · License 44372 (AZ)
4500 BROCKTON AVE STE 316, Riverside, CA 92501

Secondary Practice Location 1

Location 119330 Jesse LnRiverside, CA 92508-5091 · Phone (714) 803-2076 · Fax (951) 263-7237

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Samar Nahas Md is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID1759537004
PECOS Enrollment IDI20151104001094
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.

Areas of Expertise CMS Part B claims 2

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more 99213
This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.
34 services21 patients
New patient office or other outpatient visit with a high level of medical decision making, if using time, 60 minutes or more 99205
This is a first-time patient visit where a healthcare professional spends 60-74 minutes with you. It involves a comprehensive evaluation, including your medical history and current health condition. They'll also advise on preventive health measures and formulate a treatment plan if needed.
17 services17 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 92501 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
$179.42 typical visit price
range $59.60 – $179.42
Typical copayment $44.85 (range $14.90 – $44.85)
Most-billed visit code 99205
Established Patient
$104.64 typical visit price
range $19.37 – $146.42
Typical copayment $26.16 (range $4.84 – $36.60)
Most-billed visit code 99214
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.

Internal Medicine (Hematology & Oncology)
4500 BROCKTON AVE STE 316
RIVERSIDE, CA 92501
Obstetrics & Gynecology (Gynecologic Oncology)
4500 BROCKTON AVE STE 316
RIVERSIDE, CA 92501

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 Samar Nahas's NPI number?

The NPI number for Samar Nahas is 1831478395. It was assigned to this individual provider in the NPPES registry on August 15, 2011.

Where is Samar Nahas located?

Samar Nahas practices at 4500 Brockton Ave Ste 316, Riverside, CA 92501. The listed phone number is (951) 888-3277.

What is Samar Nahas's specialty?

The primary specialty registered for this NPI is Obstetrics & Gynecology, specializing in Gynecologic Oncology, with taxonomy code 207VX0201X.

Is Samar Nahas enrolled in Medicare?

Yes. Samar Nahas is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

When was this NPI record last updated?

The NPPES record for Samar Nahas was last updated on September 16, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 11 days 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.