MWANGI KAMAU M.D.
NPI 1215480835
Internal Medicine - Nephrology in Lewes, DE
About Mwangi Kamau M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MWANGI KAMAU M.D. (NPI 1215480835) is an individual nephrology provider in Lewes, Delaware, licensed in Delaware (C1-0024517) and active in the NPI registry since August 2016. He is enrolled in Medicare PECOS, maintains 2 additional practice locations, and is a graduate of Other (2016).
NPPES Registry Identity
Specialties & Licenses
Secondary Practice Locations 2
Other Identifiers 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
Mwangi Kamau 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
2Medicare enrollment records show Mwangi Kamau reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Lewes, DE 19958
- Reassigned Medicare billing, Delaware enrollment
- 382 clinicians in this Medicare group
Milford, DE 19963
- Reassigned Medicare billing, Delaware enrollment
- 4 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 8
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.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 19958 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.
Other Providers at the Same Location NPPES 2
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 Mwangi Kamau's NPI number?
The NPI number for Mwangi Kamau is 1215480835. It was assigned to this individual provider in the NPPES registry on August 1, 2016.
Where is Mwangi Kamau located?
Mwangi Kamau practices at 17021 Old Orchard Rd Unit 1, Lewes, DE 19958. The listed phone number is (302) 503-3922.
What is Mwangi Kamau's specialty?
The primary specialty registered for this NPI is Internal Medicine, specializing in Nephrology, with taxonomy code 207RN0300X.
Is Mwangi Kamau enrolled in Medicare?
Yes. Mwangi Kamau 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 Mwangi Kamau's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Mwangi Kamau reassigns Medicare benefits to 2 organizations: Beebe Physician Network, Inc. (Lewes, DE) and We Care Nephrology LLC (Milford, DE). 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 Mwangi Kamau's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Mwangi Kamau accept?
Health plans from Ambetter Health, Ambetter Health of Delaware, Ambetter from NH Healthy Families, Ambetter from Sunflower Health Plan and AmeriHealth Caritas Next and 1 other insurer list Mwangi Kamau 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.
When was this NPI record last updated?
The NPPES record for Mwangi Kamau was last updated on March 21, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 19 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.