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DR. MASOUMEH GHAFFARI M.D.
NPI 1437470507
Hospitalist in Riverside, CA

Active since June 11, 2010PECOS Enrolled
4445 MAGNOLIA AVE, RIVERSIDE, CA 92501(951) 788-3000 Get Directions Write a Review

NPPES record last updated: May 9, 2025. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: May 9, 2025, May 7, 2024, Jan 25, 2017 and 1 more (4 updates tracked since 2016).

About Dr. Masoumeh Ghaffari M.d. NPPES

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

DR. MASOUMEH GHAFFARI M.D. (NPI 1437470507) is an individual hospitalist provider in Riverside, California, licensed in Georgia (070238) and active in the NPI registry since June 2010. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1437470507
Entity TypeIndividualFemale
Primary Taxonomy208M00000X
Provider Legal NameDR. MASOUMEH GHAFFARICredential: M.D.
Location Address4445 MAGNOLIA AVERiverside, CA 92501-4135
Mailing Address4445 Magnolia AveRiverside, CA 92501-4135 · (951) 788-3000
Phone(951) 788-3000
Sole ProprietorNo
Enumeration DateJune 11, 2010
Last NPPES UpdateMay 9, 20254 updates tracked since enumeration
NPPES CertifiedMay 9, 2025
✔ NPI 1437470507 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 5

★ Primary SpecialtyHospitalistAllopathic & Osteopathic Physicians
Taxonomy Code208M00000X
License✔ Licensed in GA · 070238
Definition
Hospitalists are physicians whose primary professional focus is the general medical care of hospitalized patients. Their activities include patient care, teaching, research, and leadership related to Hospital Medicine. The term 'hospitalist' refers to physicians whose practice emphasizes providing care for hospitalized patients.
Also ListedRegistered Nurse · Wound CareTaxonomy 163WW0000X · License 070238 (GA)
Also ListedSpecialistTaxonomy 174400000X · License 70238 (GA)
Also ListedInternal MedicineTaxonomy 207R00000X · License 070238 (GA)
Also ListedPreventive Medicine · Undersea and Hyperbaric MedicineTaxonomy 2083P0011X · License 070238 (GA)
4445 MAGNOLIA AVE, Riverside, CA 92501
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Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Dr. Masoumeh Ghaffari 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.

Medicare Billing Reassignments

2

Medicare enrollment records show Masoumeh Ghaffari reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Southern California Permanente Medical Group
26 mi
Health Maintenance Organization
441 N LAKEVIEW AVE
Anaheim, CA 92807
  • Reassigned Medicare billing, California enrollment
  • 13,921 clinicians in this Medicare group
NPI 1952333460 (714) 279-4000
Hospital Physician Services - Southeast Professional Corporation
1,924 mi
Hospitalist
2151 W SPRING ST
Monroe, GA 30655
  • Reassigned Medicare billing, Georgia enrollment
  • 777 clinicians in this Medicare group
NPI 1760410385 (770) 267-8461

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 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
$136.04 typical visit price
range $59.60 – $179.42
Typical copayment $34.01 (range $14.90 – $44.85)
Most-billed visit code 99204
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 20

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

MR. DAVID W LEVINE PA-C
Physician Assistant
4445 MAGNOLIA AVE
RIVERSIDE, CA 92501
Riverside County (951) 788-3381
STEVEN GREGORY PARKIN MD
Student in an Organized Health Care Education/Training Program
4445 MAGNOLIA AVE
RIVERSIDE, CA 92501
Riverside County (951) 788-3000
JAGMEET SINGH ARORA
Student in an Organized Health Care Education/Training Program
4445 MAGNOLIA AVE
RIVERSIDE, CA 92501
Riverside County (951) 966-8398
ASHFI HOQUE
Family Medicine
4445 MAGNOLIA AVE
RIVERSIDE, CA 92501
Riverside County (951) 495-9994
ALINA S POPA MD
Hospitalist
4445 MAGNOLIA AVE
RIVERSIDE, CA 92501
Riverside County (951) 788-3636
RIVERSIDE RADIOLOGY MEDICAL GROUP, INC
Radiology (Diagnostic Radiology)
4445 MAGNOLIA AVE
RIVERSIDE, CA 92501
Riverside County (951) 788-3400
RUSHIL ANIL PATEL
Emergency Medicine
4445 MAGNOLIA AVE
RIVERSIDE, CA 92501
Riverside County (951) 788-3000
YASMINE KASIRI DO
Student in an Organized Health Care Education/Training Program
4445 MAGNOLIA AVE
RIVERSIDE, CA 92501
Riverside County (951) 990-5799

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 Masoumeh Ghaffari's NPI number?

The NPI number for Masoumeh Ghaffari is 1437470507. It was assigned to this individual provider in the NPPES registry on June 11, 2010.

Where is Masoumeh Ghaffari located?

Masoumeh Ghaffari practices at 4445 Magnolia Ave, Riverside, CA 92501. The listed phone number is (951) 788-3000.

What is Masoumeh Ghaffari's specialty?

The primary specialty registered for this NPI is Hospitalist with taxonomy code 208M00000X.

Is Masoumeh Ghaffari enrolled in Medicare?

Yes. Masoumeh Ghaffari is registered in the Medicare PECOS enrollment system.

Which organizations bill Medicare for Masoumeh Ghaffari's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Masoumeh Ghaffari reassigns Medicare benefits to 2 organizations: Southern California Permanente Medical Group (Anaheim, CA) and Hospital Physician Services - Southeast Professional Corporation (Monroe, GA). Each 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 Masoumeh Ghaffari's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

When was this NPI record last updated?

The NPPES record for Masoumeh Ghaffari was last updated on May 9, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 17 months 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.