DR. NONSO ERNEST EGBUONU M.D
NPI 1558689349
Internal Medicine in Manchester, NH
About Dr. Nonso Ernest Egbuonu M.d NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. NONSO ERNEST EGBUONU M.D (NPI 1558689349) is an individual internal medicine provider in Manchester, New Hampshire, licensed in Massachusetts (278779) and active in the NPI registry since May 2010. He is enrolled in Medicare PECOS, is affiliated with Umass Memorial Medical Center/university Campus, and maintains 2 additional practice locations.
NPPES Registry Identity
Specialties & Licenses
Secondary Practice Locations 2
Accepted Insurance
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
Dr. Nonso Ernest Egbuonu 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.
Medicare Billing Reassignments
10Medicare enrollment records show Nonso Egbuonu reassigns Medicare billing to 10 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Manchester, NH 03102
- Reassigned Medicare billing, New Hampshire enrollment
- 199 clinicians in this Medicare group
Derry, NH 03038
- Reassigned Medicare billing, New Hampshire enrollment
- 150 clinicians in this Medicare group
Methuen, MA 01844
- Reassigned Medicare billing, Massachusetts enrollment
- 258 clinicians in this Medicare group
Melrose, MA 02176
- Reassigned Medicare billing, Massachusetts enrollment
- 176 clinicians in this Medicare group
Watertown, MA 02472
- Reassigned Medicare billing, Massachusetts enrollment
- 1,103 clinicians in this Medicare group
Worcester, MA 01655
- Reassigned Medicare billing, Massachusetts enrollment
- 2,902 clinicians in this Medicare group
Stoughton, MA 02072
- Reassigned Medicare billing, Massachusetts enrollment
- 337 clinicians in this Medicare group
Hyannis, MA 02601
- Reassigned Medicare billing, Massachusetts enrollment
- 678 clinicians in this Medicare group
Humble, TX 77338
- Reassigned Medicare billing, Texas enrollment
- 2,009 clinicians in this Medicare group
San Antonio, TX 78229
- Reassigned Medicare billing, Texas enrollment
- 681 clinicians in this Medicare group
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Areas of Expertise CMS Part B claims 6
Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.
Hospital Affiliations CMS Care Compare 5
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Umass Memorial Medical Center/University Campus
Acute Care Hospitals · Worcester, MAElliot Hospital
Acute Care Hospitals · Manchester, NHParkland Medical Center
Acute Care Hospitals · Derry, NHCatholic Medical Center
Acute Care Hospitals · Manchester, NHMonadnock Community Hospital
Critical Access Hospitals · Peterborough, NHPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 03102 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
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
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.
MANCHESTER, NH 03102
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 Nonso Egbuonu's NPI number?
The NPI number for Nonso Egbuonu is 1558689349. It was assigned to this individual provider in the NPPES registry on May 4, 2010.
Where is Nonso Egbuonu located?
Nonso Egbuonu practices at 100 Mcgregor St, Manchester, NH 03102. The listed phone number is (603) 668-3545.
What is Nonso Egbuonu's specialty?
The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.
Is Nonso Egbuonu enrolled in Medicare?
Yes. Nonso Egbuonu 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 Nonso Egbuonu's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Nonso Egbuonu reassigns Medicare benefits to 10 organizations: Catholic Medical Center (Manchester, NH), Hospital Medicine Services Of Nh, LLC (Derry, NH), Lawrence General Hospital (Methuen, MA), Massachusetts Acute Care Specialists PC (Melrose, MA), Steward Medical Group, Inc (Watertown, MA) and 5 more organizations, listed in the Medicare section above. 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 Nonso Egbuonu's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Nonso Egbuonu accept?
Health plans from Blue Cross and Blue Shield of Texas and Taro Health list Nonso Egbuonu as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.
Is Nonso Egbuonu affiliated with any hospitals?
According to CMS data, Nonso Egbuonu is affiliated with Umass Memorial Medical Center/University Campus, Elliot Hospital, Parkland Medical Center, Catholic Medical Center and Monadnock Community Hospital.
When was this NPI record last updated?
The NPPES record for Nonso Egbuonu was last updated on January 30, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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.
# Dr. Nonso Ernest Egbuonu, M.D · NPI 1558689349
Internal Medicine physician in Manchester, New Hampshire. Individual provider, active in the CMS NPPES registry since May 4, 2010.
## Identity
- **NPI:** 1558689349 (Entity type: Individual)
- **Enumerated:** May 4, 2010
- **Primary specialty:** Internal Medicine · taxonomy 207R00000X
- **State license:** 278779 (Massachusetts)
- **Sole proprietor:** No
## Practice location
- **Address:** 100 MCGREGOR ST, Manchester, NH 03102-3730
- **Phone:** (603) 668-3545
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** 10 organizations under Medicare reassignment (form CMS-855R): Catholic Medical Center (NPI 1427154335, Manchester, NH); Hospital Medicine Services Of Nh, LLC (NPI 1548967607, Derry, NH); Lawrence General Hospital (NPI 1922514744, Methuen, MA); Massachusetts Acute Care Specialists PC (NPI 1306134812, Melrose, MA); Steward Medical Group, Inc (NPI 1629398219, Watertown, MA); and 5 more · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2005
## Record status
- **NPPES last updated:** January 30, 2024
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Source: [NPI Profile](https://npiprofile.com/npi/1558689349) · Data from the CMS NPPES public registry.