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NWAMAKA ONWUGBENU MD
NPI 1730409921
Obstetrics & Gynecology - Obstetrics in Providence, RI

Active since June 10, 2010PECOS EnrolledAccepts Medicare Assignment
148 W RIVER ST STE 8, PROVIDENCE, RI 02904(401) 606-3000(401) 331-8110 Get Directions Write a Review

NPPES record last updated: November 16, 2018. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Nov 16, 2018, Jun 28, 2018, Mar 17, 2018 and 2 more (5 updates tracked since 2017).

About Nwamaka Onwugbenu Md NPPES

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

NWAMAKA ONWUGBENU MD (NPI 1730409921) is an individual obstetrics provider in Providence, Rhode Island, licensed in Rhode Island (MD15087) and active in the NPI registry since June 2010. She is enrolled in Medicare PECOS, is affiliated with The Miriam Hospital, and maintains 2 additional practice locations.

NPPES Registry Identity

NPI1730409921
Entity TypeIndividualFemale
Primary Taxonomy207VX0000X
Provider Legal NameNWAMAKA ONWUGBENUCredential: MD
Location Address148 W RIVER ST STE 8Providence, RI 02904-2615
Mailing Address117 Ellenfield St Ste 101Providence, RI 02905-4513 · (401) 444-6779 · Fax (401) 444-6912
Phone(401) 606-3000
Fax(401) 331-8110
Sole ProprietorYes
Medical School CMSOtherGraduated 2015
Enumeration DateJune 10, 2010
Last NPPES UpdateNovember 16, 20185 updates tracked since enumeration
✔ NPI 1730409921 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyObstetrics & Gynecology · ObstetricsAllopathic & Osteopathic Physicians
Taxonomy Code207VX0000X
License✔ Licensed in RI · MD15087
Definition
A physician who specializes in diagnosis, treatment, and management of patients with obstetric conditions. Source: National Uniform Claim Committee
148 W RIVER ST STE 8, Providence, RI 02904
Open in Google Maps ↗

Secondary Practice Locations 2

Location 11377 S County Trl Unit 2AEast Greenwich, RI 02818-5082 · Phone (401) 606-4205 · Fax (401) 606-4206
Location 2900 Warren Ave Ste 101East Providence, RI 02914-1430 · Phone (401) 919-5200 · Fax (401) 919-5204

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

Nwamaka Onwugbenu Md 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 ID4385950294
PECOS Enrollment IDI20150908001805
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 Nwamaka Onwugbenu reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Lifespan Physician Group Inc
0.9 mi
Urology
195 COLLYER ST STE 201
Providence, RI 02904
  • Reassigned Medicare billing, Rhode Island enrollment
  • 1,372 clinicians in this Medicare group
NPI 1720949803 (401) 272-7799
Affinity Physicians LLC
2.4 mi
Anesthesiology
101 DUDLEY STREET, WIH DEPT OF ANESTHESIOLOGY
Providence, RI 02905
  • Reassigned Medicare billing, Rhode Island enrollment
  • 984 clinicians in this Medicare group
NPI 1053038471 (401) 274-1122

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

Hospital Affiliations CMS Care Compare

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

The Miriam Hospital

Acute Care Hospitals · Providence, RI
5/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number410012
Location164 Summit AvenueProvidence, RI 02906 · Providence County
Emergency services

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 02904 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
$134.17 typical visit price
range $58.57 – $177.03
Typical copayment $33.54 (range $14.64 – $44.25)
Most-billed visit code 99204
Established Patient
$72.93 typical visit price
range $18.92 – $144.38
Typical copayment $18.23 (range $4.73 – $36.09)
Most-billed visit code 99213
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.

JEFFREY EMMET THODE MD
Obstetrics & Gynecology
148 W RIVER ST STE 8
PROVIDENCE, RI 02904
Providence County (401) 606-3000
ERIN ELIZABETH KUNKEL MD
Obstetrics & Gynecology
148 W RIVER ST STE 8
PROVIDENCE, RI 02904
Providence County (401) 606-3000
DR. LETICIA DWOMOR MD
Obstetrics & Gynecology
148 W RIVER ST STE 8
PROVIDENCE, RI 02904
Providence County (401) 606-3000
LEAH RUTH BATTISTA MD
Obstetrics & Gynecology (Maternal & Fetal Medicine)
148 W RIVER ST STE 8
PROVIDENCE, RI 02904
Providence County (401) 606-3000
MRS. CHELSEA CAROLINE WEBB SHEA CNM
Advanced Practice Midwife
148 W RIVER ST STE 8
PROVIDENCE, RI 02904
Providence County (401) 606-3000
BENJAMIN VOGEL MD
Obstetrics & Gynecology
148 W RIVER ST STE 8
PROVIDENCE, RI 02904
Providence County (401) 606-3000
PAULA DEYOUNG
Obstetrics & Gynecology
148 W RIVER ST STE 8
PROVIDENCE, RI 02904
Providence County (401) 606-3000
DR. REBECCA MERCIER MD
Obstetrics & Gynecology
148 W RIVER ST STE 8
PROVIDENCE, RI 02904
Providence County (401) 606-3000

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 Nwamaka Onwugbenu's NPI number?

The NPI number for Nwamaka Onwugbenu is 1730409921. It was assigned to this individual provider in the NPPES registry on June 10, 2010.

Where is Nwamaka Onwugbenu located?

Nwamaka Onwugbenu practices at 148 W River St Ste 8, Providence, RI 02904. The listed phone number is (401) 606-3000.

What is Nwamaka Onwugbenu's specialty?

The primary specialty registered for this NPI is Obstetrics & Gynecology, specializing in Obstetrics, with taxonomy code 207VX0000X.

Is Nwamaka Onwugbenu enrolled in Medicare?

Yes. Nwamaka Onwugbenu 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 Nwamaka Onwugbenu's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Nwamaka Onwugbenu reassigns Medicare benefits to 2 organizations: Lifespan Physician Group Inc (Providence, RI) and Affinity Physicians LLC (Providence, RI). 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 Nwamaka Onwugbenu's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

Is Nwamaka Onwugbenu affiliated with any hospitals?

According to CMS data, Nwamaka Onwugbenu is affiliated with The Miriam Hospital.

When was this NPI record last updated?

The NPPES record for Nwamaka Onwugbenu was last updated on November 16, 2018. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 7 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.