OLUWASEYI O ONI MD
NPI 1992290316
Pediatrics in Springfield, MA

Q: What is Oluwaseyi Oni's NPI number?

The NPI number for Oluwaseyi Oni is 1992290316. It was assigned to this individual provider in the NPPES registry on June 27, 2018.

Q: What is Oluwaseyi Oni's specialty?

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

Q: When was this NPI record last updated?

The NPPES record for Oluwaseyi Oni was last updated on November 2, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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.

Active since June 27, 2018PECOS Enrolled

759 CHESTNUT ST, SPRINGFIELD, MA 01107(413) 794-2398(413) 794-1273 Get Directions Write a Review

NPPES record last updated: November 2, 2021. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Nov 2, 2021, Jun 27, 2018 (2 updates tracked since 2018).

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About Oluwaseyi O Oni Md NPPES

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

OLUWASEYI O ONI MD (NPI 1992290316) is an individual pediatrics provider in Springfield, Massachusetts, licensed in Massachusetts (290197) and active in the NPI registry since June 2018. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1992290316

Entity TypeIndividualFemale

Primary Taxonomy208000000X

Provider Legal NameOLUWASEYI O ONICredential: MD

Location Address759 CHESTNUT STSpringfield, MA 01107-1619

Mailing Address280 Chestnut Street, 2nd FloorSpringfield, MA 01199-1001 · (413) 794-5700

Phone(413) 794-2398

Fax(413) 794-1273

Sole ProprietorNo

Enumeration DateJune 27, 2018

Last NPPES UpdateNovember 2, 20212 updates tracked since enumeration

NPPES CertifiedNovember 2, 2021

✔ NPI 1992290316 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyPediatricsAllopathic & Osteopathic Physicians

Taxonomy Code208000000X

License✔ Licensed in MA · 290197

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.

Also ListedStudent in an Organized Health Care Education/Training ProgramTaxonomy 390200000X

759 CHESTNUT ST, Springfield, MA 01107

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Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Taro Health.Insurance ›

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Oluwaseyi O Oni Md 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 Reassignment

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

Baystate Medical Practices, Inc

Same address

Emergency Medical Services

759 CHESTNUT ST
Springfield, MA 01199

Reassigned Medicare billing, Massachusetts enrollment
1,537 clinicians in this Medicare group

NPI 1548205909 (413) 794-5700

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 01107 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

$90.70 typical visit price

range $58.86 – $177.36

Typical copayment $22.67 (range $14.71 – $44.34)

Most-billed visit code 99203

Established Patient

$103.48 typical visit price

range $19.11 – $144.84

Typical copayment $25.87 (range $4.77 – $36.21)

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.

MEHAK ALI MD

Internal Medicine