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

MICHAEL NWOSU M.D.
NPI 1659805158
Family Medicine in Riverside, CA

Active since April 12, 2017PECOS Enrolled
7117 BROCKTON AVE, RIVERSIDE, CA 92506(951) 782-3789(951) 784-3275 Get Directions Write a Review

NPPES record last updated: October 20, 2026. Verified against the NPPES registry weekly; last sync: November 08, 2026.

Record update history: Jan 12, 2026, Aug 18, 2021, Apr 12, 2017 (3 updates tracked since 2017).

About Michael Nwosu M.d. NPPES

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

MICHAEL NWOSU M.D. (NPI 1659805158) is an individual family medicine provider in Riverside, California, licensed in California (A166465) and active in the NPI registry since April 2017. He is enrolled in Medicare PECOS, maintains a secondary practice location in Temecula, and is a graduate of Loma Linda University School Of Medicine (2017).

NPPES Registry Identity

NPI1659805158
Entity TypeIndividualMale
Primary Taxonomy207Q00000X
Provider Legal NameMICHAEL NWOSUCredential: M.D.
Location Address7117 BROCKTON AVERiverside, CA 92506-2658
Mailing Address3660 Arlington AveRiverside, CA 92506-3987 · (951) 782-3050 · Fax (951) 248-6708
Phone(951) 782-3789
Fax(951) 784-3275
Sole ProprietorYes
Medical School CMSLoma Linda University School Of MedicineGraduated 2017
Enumeration DateApril 12, 2017
Last NPPES UpdateOctober 20, 20263 updates tracked since enumeration
NPPES CertifiedOctober 20, 2026
✔ NPI 1659805158 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyFamily MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207Q00000X
License✔ Licensed in CA · A166465
Definition
Family Medicine is the medical specialty which is concerned with the total health care of the individual and the family. It is the specialty in breadth which integrates the biological, clinical, and behavioral sciences. The scope of family medicine is not limited by age, sex, organ system, or disease entity.
Also ListedFamily Medicine · Sports MedicineTaxonomy 207QS0010X · License A166465 (CA)
7117 BROCKTON AVE, Riverside, CA 92506
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Secondary Practice Location 1

Location 141840 Enterprise Cir NTemecula, CA 92590-5654 · Phone (951) 225-6400 · Fax (360) 462-2751

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

Michael Nwosu 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 ID1951671270
PECOS Enrollment IDI20210524001169
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

3

Medicare enrollment records show Michael Nwosu reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

St. Johns Community Health
14 mi
Federally Qualified Health Center (FQHC)
1500 N WATERMAN AVE
San Bernardino, CA 92404
  • Reassigned Medicare billing, California enrollment
  • Medicare enrollment name: St. John's Community Health
  • 404 clinicians in this Medicare group
NPI 1780376947 (323) 541-1600
Memorialcare Medical Foundation
36 mi
Clinic/Center
17360 BROOKHURST ST
Fountain Valley, CA 92708
  • Reassigned Medicare billing, California enrollment
  • 948 clinicians in this Medicare group
NPI 1205167350 (877) 696-3622
Neighborhood Healthcare
59 mi
Federally Qualified Health Center (FQHC)
460 N ELM ST
Escondido, CA 92025
  • Reassigned Medicare billing, California enrollment
  • 332 clinicians in this Medicare group
NPI 1598703647 (760) 520-8100

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 92506 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
$91.88 typical visit price
range $59.60 – $179.42
Typical copayment $22.97 (range $14.90 – $44.85)
Most-billed visit code 99203
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.

Referred Medical Equipment & Supplies CMS DME claims 3

Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.

Blood glucose test or reagent strips for home blood glucose monitor, per 50 strips A4253
DME-Other DME · category DE017N
7 suppliers13 claims46 services$3.38 avg. paid by Medicare
Continuous positive airway pressure (cpap) device E0601
DME-Other DME · category DE001N
1 supplier12 claims12 services$23.30 avg. paid by Medicare
Supply allowance for therapeutic continuous glucose monitor (cgm), includes all supplies and accessories, 1 month supply = 1 unit of service K0553
DME-Other DME · category DE017N
2 suppliers12 claims12 services$133.17 avg. paid by Medicare
Dollar amounts are the average Medicare paid the supplier per service. They are not the cost to the patient.

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.

MIRIAM CHO M.D
Family Medicine (Geriatric Medicine)
7117 BROCKTON AVE
RIVERSIDE, CA 92506
Riverside County (951) 782-3616
SANG KUN YIM MD
Internal Medicine
7117 BROCKTON AVE
RIVERSIDE, CA 92506
Riverside County (951) 683-6370
CATHERINE DIEMPHUC HOANG MD
Internal Medicine
7117 BROCKTON AVE
RIVERSIDE, CA 92506
Riverside County (951) 683-6370
KARL TANARA M.D.
Internal Medicine
7117 BROCKTON AVE
RIVERSIDE, CA 92506
Riverside County (951) 782-3715
DR. TRI MINH NGUYEN DO
Family Medicine
7117 BROCKTON AVE
RIVERSIDE, CA 92506
Riverside County (951) 782-3789
HONGPHUC PHU HA DO
Surgery
7117 BROCKTON AVE
RIVERSIDE, CA 92506
Riverside County (951) 321-6310
THOMAS J CHEN M.D.
Internal Medicine
7117 BROCKTON AVE
RIVERSIDE, CA 92506
Riverside County (951) 782-3849
CLARK LARKIN GIFFORD MD
Pediatrics
7117 BROCKTON AVE
RIVERSIDE, CA 92506
Riverside County (951) 782-3685

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 Michael Nwosu's NPI number?

The NPI number for Michael Nwosu is 1659805158. It was assigned to this individual provider in the NPPES registry on April 12, 2017.

Where is Michael Nwosu located?

Michael Nwosu practices at 7117 Brockton Ave, Riverside, CA 92506. The listed phone number is (951) 782-3789.

What is Michael Nwosu's specialty?

The primary specialty registered for this NPI is Family Medicine with taxonomy code 207Q00000X.

Is Michael Nwosu enrolled in Medicare?

Yes. Michael Nwosu 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 organizations bill Medicare for Michael Nwosu's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Michael Nwosu reassigns Medicare benefits to 3 organizations: St. Johns Community Health (San Bernardino, CA), Memorialcare Medical Foundation (Fountain Valley, CA) and Neighborhood Healthcare (Escondido, CA). 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 Michael Nwosu'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 Michael Nwosu was last updated on October 20, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 26 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.