CAROL K TWEED MD
NPI 1649219155
Internal Medicine - Medical Oncology in Annapolis, MD
About Carol K Tweed Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
CAROL K TWEED MD (NPI 1649219155) is an individual medical oncology provider in Annapolis, Maryland, licensed in Maryland (D74092) and active in the NPI registry since June 2006. She is enrolled in Medicare PECOS, is affiliated with Luminis Health Anne Arundel Medical Center, Inc, and is a graduate of Washington University School Of Medicine (2001).
NPPES Registry Identity
Specialties & Licenses 2
Other Identifiers 2
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
Carol K Tweed 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
3Medicare enrollment records show Carol Tweed reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Annapolis, MD 21401
- Reassigned Medicare billing, Maryland enrollment
- 794 clinicians in this Medicare group
Glen Burnie, MD 21061
- Reassigned Medicare billing, Maryland enrollment
- 966 clinicians in this Medicare group
Laurel, MD 20707
- Reassigned Medicare billing, District of Columbia and Maryland enrollments
- Medicare enrollment name: Maryland Oncology Hematology PA
- Also billed through NPI 1396710703 (Maryland)
- 74 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 53
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.
Luminis Health Anne Arundel Medical Center, Inc
Acute Care Hospitals · Annapolis, MDUniversity Of MD Shore Medical Ctr At Chestertown
Acute Care Hospitals · Chestertown, MDUniversity Of MD Shore Medical Center At Easton
Acute Care Hospitals · Easton, MDAtlantic General Hospital
Acute Care Hospitals · Berlin, MDPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 21401 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
Referred Medical Equipment & Supplies CMS DME claims
Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.
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.
ANNAPOLIS, MD 21401
ANNAPOLIS, MD 21401
ANNAPOLIS, MD 21401
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 Carol Tweed's NPI number?
The NPI number for Carol Tweed is 1649219155. It was assigned to this individual provider in the NPPES registry on June 6, 2006.
Where is Carol Tweed located?
Carol Tweed practices at 2003 Medical Pkwy Suite 210, Annapolis, MD 21401. The listed phone number is (410) 573-5300.
What is Carol Tweed's specialty?
The primary specialty registered for this NPI is Internal Medicine, specializing in Medical Oncology, with taxonomy code 207RX0202X.
Is Carol Tweed enrolled in Medicare?
Yes. Carol Tweed 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 Carol Tweed's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Carol Tweed reassigns Medicare benefits to 3 organizations: Luminis Health Medical Group, LLC (Annapolis, MD), University Of Maryland Community Medical Group, Inc. (Glen Burnie, MD) and Maryland Oncology Hematology, P.A. (Laurel, 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 Carol Tweed's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
Is Carol Tweed affiliated with any hospitals?
According to CMS data, Carol Tweed is affiliated with Luminis Health Anne Arundel Medical Center, Inc, University Of MD Shore Medical Ctr At Chestertown, University Of MD Shore Medical Center At Easton and Atlantic General Hospital.
When was this NPI record last updated?
The NPPES record for Carol Tweed was last updated on December 3, 2013. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 12 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.