1. Home
  2. Directory
  3. California
  4. Fremont
  5. Internal Medicine
  6. NPI Profile

DR. SAMINA OMAR KHWAJA M.D.
NPI 1225141963
Internal Medicine - Geriatric Medicine in Fremont, CA

Active since August 16, 2006PECOS EnrolledAccepts Medicare Assignment
3200 KEARNEY ST, FREMONT, CA 94538(510) 490-1222 Get Directions Write a Review

NPPES record last updated: February 7, 2017. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Feb 7, 2017, Jan 9, 2017 (2 updates tracked since 2017).

About Dr. Samina Omar Khwaja M.d. NPPES

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

DR. SAMINA OMAR KHWAJA M.D. (NPI 1225141963) is an individual geriatric medicine provider in Fremont, California, licensed in California (A55947) and active in the NPI registry since August 2006. She is enrolled in Medicare PECOS and is a graduate of Other (1992).

NPPES Registry Identity

NPI1225141963
Entity TypeIndividualFemale
Primary Taxonomy207RG0300X
Provider Legal NameDR. SAMINA OMAR KHWAJACredential: M.D.
Location Address3200 KEARNEY STFremont, CA 94538-2299
Mailing Address2350 W. El Camino Real, 2nd FloorMountain View, CA 94040-6203
Phone(510) 490-1222
Sole ProprietorNo
Medical School CMSOtherGraduated 1992
Enumeration DateAugust 16, 2006
Last NPPES UpdateFebruary 7, 20172 updates tracked since enumeration
✔ NPI 1225141963 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal Medicine · Geriatric MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207RG0300X
License✔ Licensed in CA · A55947
Definition
An internist who has special knowledge of the aging process and special skills in the diagnostic, therapeutic, preventive and rehabilitative aspects of illness in the elderly. This specialist cares for geriatric patients in the patient's home, the office, long-term care settings such as nursing homes and the hospital.
3200 KEARNEY ST, Fremont, CA 94538
Open in Google Maps ↗

Other Names 1

Other Name (5)Dr. Samina Javaid Ginai M.d.

Other Identifiers 1

Medicare UPINI00454CA

Accepted Insurance

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

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Dr. Samina Omar Khwaja M.d. 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 ID4183516412
PECOS Enrollment IDI20040329001842
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.

Medicare Billing Reassignment

Medicare enrollment records show Samina Khwaja reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Careway Health Medical West PC
29 mi
Family Medicine
71 STEVENSON ST STE 400
San Francisco, CA 94105
  • Reassigned Medicare billing, California enrollment
  • 5 clinicians in this Medicare group
NPI 1841187895 (413) 438-2273

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 94538 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
$202.35 typical visit price
range $69.00 – $202.35
Typical copayment $50.58 (range $17.25 – $50.58)
Most-billed visit code 99205
Established Patient
$119.48 typical visit price
range $23.44 – $166.46
Typical copayment $29.87 (range $5.86 – $41.61)
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 20

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

DR. LAKSHMI SRINIVASAN MD
Internal Medicine (Endocrinology, Diabetes & Metabolism)
3200 KEARNEY ST
FREMONT, CA 94538
Alameda County (510) 490-1222
THOMAS KIM
Orthopaedic Surgery (Hand Surgery)
3200 KEARNEY ST
FREMONT, CA 94538
Alameda County (510) 490-1222
DR. DANIEL KRASS AU.D.
Audiologist-Hearing Aid Fitter
3200 KEARNEY ST
FREMONT, CA 94538
Alameda County (510) 498-2681
STEPHANIE CHIANG MD
Pediatrics
3200 KEARNEY ST
FREMONT, CA 94538
Alameda County (510) 490-1222
STEVEN BARTIS DPM
Podiatrist
3200 KEARNEY ST
FREMONT, CA 94538
Alameda County (510) 490-1222
NANCY WANG MD
Otolaryngology (Plastic Surgery within the Head & Neck)
3200 KEARNEY ST
FREMONT, CA 94538
Alameda County (510) 490-1222
ZAHRA PIRANI
Emergency Medicine (Pediatric Emergency Medicine)
3200 KEARNEY ST
FREMONT, CA 94538
Alameda County (510) 490-1222
NATASHA BEILIN MD
Pediatrics
3200 KEARNEY ST
FREMONT, CA 94538
Alameda County (510) 490-1222

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 Samina Khwaja's NPI number?

The NPI number for Samina Khwaja is 1225141963. It was assigned to this individual provider in the NPPES registry on August 16, 2006. The provider is also known as Dr. Samina Javaid Ginai M.D..

Where is Samina Khwaja located?

Samina Khwaja practices at 3200 Kearney St, Fremont, CA 94538. The listed phone number is (510) 490-1222.

What is Samina Khwaja's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Geriatric Medicine, with taxonomy code 207RG0300X.

Is Samina Khwaja enrolled in Medicare?

Yes. Samina Khwaja 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.

Which organization bills Medicare for Samina Khwaja's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Samina Khwaja reassigns Medicare benefits to Careway Health Medical West PC (San Francisco, CA). The reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Samina Khwaja's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Samina Khwaja accept?

Health plans from Anthem Blue Cross and Blue Shield list Samina Khwaja 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 Samina Khwaja was last updated on February 7, 2017. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 9 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.