DR. HAWA OZIEN ABU MD
NPI 1104441229
Internal Medicine - Geriatric Medicine in Worcester, MA
About Dr. Hawa Ozien Abu Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. HAWA OZIEN ABU MD (NPI 1104441229) is an individual geriatric medicine provider in Worcester, Massachusetts, licensed in Massachusetts (1018832) and active in the NPI registry since June 2020. She is enrolled in Medicare PECOS, is affiliated with Umass Memorial Healthalliance Hospitals, and is a graduate of Other (2010).
NPPES Registry Identity
Specialties & Licenses 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. Hawa Ozien Abu 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.
Medicare Billing Reassignment
Medicare enrollment records show Hawa Abu reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Worcester, MA 01655
- Reassigned Medicare billing, Massachusetts enrollment
- 2,902 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 3
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 4
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Umass Memorial Healthalliance Hospitals
Acute Care Hospitals · Leominster, MAUmass Memorial Health - Harrington Hospital
Acute Care Hospitals · Southbridge, MAUmass Memorial Medical Center/University Campus
Acute Care Hospitals · Worcester, MASt Vincent Hospital
Acute Care Hospitals · Worcester, MAPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 01605 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
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.
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 Hawa Abu's NPI number?
The NPI number for Hawa Abu is 1104441229. It was assigned to this individual provider in the NPPES registry on June 15, 2020.
Where is Hawa Abu located?
Hawa Abu practices at 291 Lincoln St, Worcester, MA 01605. The listed phone number is (508) 334-6251.
What is Hawa Abu's specialty?
The primary specialty registered for this NPI is Internal Medicine, specializing in Geriatric Medicine, with taxonomy code 207RG0300X.
Is Hawa Abu enrolled in Medicare?
Yes. Hawa Abu 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 organization bills Medicare for Hawa Abu's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Hawa Abu reassigns Medicare benefits to Umass Memorial Medical Group Inc (Worcester, MA). The 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 Hawa Abu's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Hawa Abu accept?
Health plans from Anthem Blue Cross and Blue Shield list Hawa Abu 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 Hawa Abu affiliated with any hospitals?
According to CMS data, Hawa Abu is affiliated with Umass Memorial Healthalliance Hospitals, Umass Memorial Health - Harrington Hospital, Umass Memorial Medical Center/University Campus and St Vincent Hospital.
When was this NPI record last updated?
The NPPES record for Hawa Abu was last updated on June 12, 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. Hawa Ozien Abu, MD · NPI 1104441229
Geriatric Medicine physician in Worcester, Massachusetts. Individual provider, active in the CMS NPPES registry since June 15, 2020.
## Identity
- **NPI:** 1104441229 (Entity type: Individual)
- **Enumerated:** June 15, 2020
- **Primary specialty:** Internal Medicine - Geriatric Medicine · taxonomy 207RG0300X
- **State license:** 1018832 (Massachusetts)
- **Sole proprietor:** No
## Practice location
- **Address:** 291 LINCOLN ST, Worcester, MA 01605-3643
- **Phone:** (508) 334-6251 · **Fax:** (508) 334-6906
## 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:** Umass Memorial Medical Group Inc (NPI 1760445373, Worcester, MA), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2010
## Record status
- **NPPES last updated:** June 12, 2024
---
Source: [NPI Profile](https://npiprofile.com/npi/1104441229) · Data from the CMS NPPES public registry.