DR. MUHAMMAD ABUBAKAR SHAKIR MD
NPI 1922529593
Internal Medicine - Cardiovascular Disease in Newark, DE
About Dr. Muhammad Abubakar Shakir Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. MUHAMMAD ABUBAKAR SHAKIR MD (NPI 1922529593) is an individual cardiovascular disease provider in Newark, Delaware, licensed in Delaware (C1-0027917) and active in the NPI registry since July 2017. He is enrolled in Medicare PECOS, is affiliated with Union Hospital Of Cecil County, and is a graduate of Other (2017).
NPPES Registry Identity
Specialties & Licenses 3
Other Names 1
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. Muhammad Abubakar Shakir 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 Reassignments
2Medicare enrollment records show Muhammad Shakir reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Newark, DE 19713
- Reassigned Medicare billing, Delaware enrollment
- 1,531 clinicians in this Medicare group
Elkton, MD 21921
- Reassigned Medicare billing, Maryland and Delaware enrollments
- Also billed through NPI 1124067848 (Delaware)
- 512 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.
Hospital Affiliations CMS Care Compare
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Union Hospital Of Cecil County
Acute Care Hospitals · Elkton, MDPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 19713 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
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 Muhammad Shakir's NPI number?
The NPI number for Muhammad Shakir is 1922529593. It was assigned to this individual provider in the NPPES registry on July 4, 2017. The provider is also known as Muhammad Abubakar Shakir MD.
Where is Muhammad Shakir located?
Muhammad Shakir practices at 200 Hygeia Dr Ste 1320, Newark, DE 19713. The listed phone number is (302) 273-1701.
What is Muhammad Shakir's specialty?
The primary specialty registered for this NPI is Internal Medicine, specializing in Cardiovascular Disease, with taxonomy code 207RC0000X.
Is Muhammad Shakir enrolled in Medicare?
Yes. Muhammad Shakir 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 Muhammad Shakir's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Muhammad Shakir reassigns Medicare benefits to 2 organizations: Christiana Care Health Services, Inc (Newark, DE) and Union Hospital Of Cecil County, Inc. (Elkton, MD). 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 Muhammad Shakir's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Muhammad Shakir accept?
Health plans from AmeriHealth Caritas Next and Highmark Blue Cross Blue Shield Delaware list Muhammad Shakir 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 Muhammad Shakir affiliated with any hospitals?
According to CMS data, Muhammad Shakir is affiliated with Union Hospital Of Cecil County.
When was this NPI record last updated?
The NPPES record for Muhammad Shakir was last updated on August 18, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 14 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.
# Dr. Muhammad Abubakar Shakir, MD · NPI 1922529593
Cardiovascular Disease physician in Newark, Delaware. Individual provider, active in the CMS NPPES registry since July 4, 2017.
## Identity
- **NPI:** 1922529593 (Entity type: Individual)
- **Enumerated:** July 4, 2017
- **Primary specialty:** Internal Medicine - Cardiovascular Disease · taxonomy 207RC0000X
- **State license:** C1-0027917 (Delaware)
- **Sole proprietor:** No
## Practice location
- **Address:** 200 HYGEIA DR STE 1320, Newark, DE 19713-2049
- **Phone:** (302) 273-1701 · **Fax:** (302) 273-4497
## 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:** 2 organizations under Medicare reassignment (form CMS-855R): Christiana Care Health Services, Inc (NPI 1003850504, Newark, DE); Union Hospital Of Cecil County, Inc. (NPI 1407607450, Elkton, MD) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2017
## Record status
- **NPPES last updated:** August 18, 2025
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Source: [NPI Profile](https://npiprofile.com/npi/1922529593) · Data from the CMS NPPES public registry.