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DR. KWABENA G OSEI MD,MPH
NPI 1275732372
Pediatrics in Fontana, CA

Active since July 17, 2007PECOS Enrolled
15290 SUMMIT AVE STE B, FONTANA, CA 92336(909) 225-1900(909) 663-9072 Get Directions Write a Review

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

Record update history: May 7, 2026, Nov 8, 2020, Mar 22, 2016 (3 updates tracked since 2016).

About Dr. Kwabena G Osei Md,mph NPPES

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

DR. KWABENA G OSEI MD,MPH (NPI 1275732372) is an individual pediatrics provider in Fontana, California, licensed in California (C152209) and active in the NPI registry since July 2007. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1275732372
Entity TypeIndividualMale
Primary Taxonomy208000000X
Provider Legal NameDR. KWABENA G OSEICredential: MD,MPH
Location Address15290 SUMMIT AVE STE BFontana, CA 92336-0240
Mailing Address15290 Summit Ave Ste BFontana, CA 92336-0240 · (909) 225-1900 · Fax (909) 663-9072
Phone(909) 225-1900
Fax(909) 663-9072
Sole ProprietorYes
Enumeration DateJuly 17, 2007
Last NPPES UpdateMay 7, 20263 updates tracked since enumeration
NPPES CertifiedMay 7, 2026
✔ NPI 1275732372 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPediatricsAllopathic & Osteopathic Physicians
Taxonomy Code208000000X
License✔ Licensed in CA · C152209
Definition
A pediatrician is concerned with the physical, emotional and social health of children from birth to young adulthood. Care encompasses a broad spectrum of health services ranging from preventive healthcare to the diagnosis and treatment of acute and chronic diseases. A pediatrician deals with biological, social and environmental influences on the developing child, and with the impact of disease and dysfunction on development.
15290 SUMMIT AVE STE B, Fontana, CA 92336
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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. Kwabena G Osei Md,mph 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

3

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

San Marcos Medical Group Inc
0.5 mi
Obstetrics & Gynecology
14980 SUMMIT AVE STE 230
Fontana, CA 92336
  • Reassigned Medicare billing, California enrollment
  • 49 clinicians in this Medicare group
NPI 1447446448 (909) 376-4438
Caremore Pediatric Hospitalist Medical Group, Inc.
43 mi
Hospitalist
1720 E CESAR E CHAVEZ AVE
Los Angeles, CA 90033
  • Reassigned Medicare billing, California enrollment
  • 24 clinicians in this Medicare group
NPI 1134743347 (844) 474-4019
Valley Children's Medical Group
313 mi
Pediatrics
1524 MCHENRY AVE, SUITE 550
Modesto, CA 95350
  • Reassigned Medicare billing, California enrollment
  • Medicare enrollment name: Valley Childrens Medical Group
  • 387 clinicians in this Medicare group
NPI 1437555265 (559) 353-5010

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 92336 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.

Medicare Quality Performance CMS QPP · MIPS

Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.

Reported Quality Measures

Closing the Referral Loop: Receipt of Specialist Report
19%53 patients1/55-star benchmark: 87%
Preventive Care and Screening: Screening for Depression and Follow-Up Plan
93%61 patients4/55-star benchmark: 97%
Provide Patients Electronic Access to Their Health Information
37%341 patients2/55-star benchmark: 100%
Providers report different measures because they deliver different services; reporting more or less information is not a reflection of quality. Star ratings appear only where CMS assigned them.

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.

CHIOMA ENWEASOR M.D
Pediatrics
15290 SUMMIT AVE STE B
FONTANA, CA 92336
San Bernardino County (909) 225-1900
KWABENA OSEI, MD. INC
Pediatrics
15290 SUMMIT AVE STE B
FONTANA, CA 92336
San Bernardino County (909) 225-1900

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 Kwabena Osei's NPI number?

The NPI number for Kwabena Osei is 1275732372. It was assigned to this individual provider in the NPPES registry on July 17, 2007.

Where is Kwabena Osei located?

Kwabena Osei practices at 15290 Summit Ave Ste B, Fontana, CA 92336. The listed phone number is (909) 225-1900.

What is Kwabena Osei's specialty?

The primary specialty registered for this NPI is Pediatrics with taxonomy code 208000000X.

Is Kwabena Osei enrolled in Medicare?

Yes. Kwabena Osei is registered in the Medicare PECOS enrollment system.

Which organizations bill Medicare for Kwabena Osei's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Kwabena Osei reassigns Medicare benefits to 3 organizations: San Marcos Medical Group Inc (Fontana, CA), Caremore Pediatric Hospitalist Medical Group, Inc. (Los Angeles, CA) and Valley Children's Medical Group (Modesto, 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 Kwabena Osei'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 Kwabena Osei was last updated on May 7, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 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.