DR. CHRISTINA MESSINEO ANNUNZIATA M.D., PH.D.
NPI 1093084139
Internal Medicine - Medical Oncology in Bethesda, MD
About Dr. Christina Messineo Annunziata M.d., Ph.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. CHRISTINA MESSINEO ANNUNZIATA M.D., PH.D. (NPI 1093084139) is an individual medical oncology provider in Bethesda, Maryland, licensed in District Of Columbia (MD33274) and active in the NPI registry since December 2011. She is enrolled in Medicare PECOS, is affiliated with Inova Fairfax Hospital, and is a graduate of Georgetown University School Of Medicine (2000).
NPPES Registry Identity
Specialties & Licenses
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. Christina Messineo Annunziata M.d., Ph.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 Reassignment
Medicare enrollment records show Christina Annunziata reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Fairfax, VA 22031
- Reassigned Medicare billing, District of Columbia enrollment
- Also billed through NPI 1275097123 (District of Columbia)
- 2,618 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.
Inova Fairfax Hospital
Acute Care Hospitals · Falls Church, VAPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 20892 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 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
BETHESDA, MD 20892
BETHESDA, MD 20892
BETHESDA, MD 20892
BETHESDA, MD 20892
BETHESDA, MD 20892
BETHESDA, MD 20892
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 Christina Annunziata's NPI number?
The NPI number for Christina Annunziata is 1093084139. It was assigned to this individual provider in the NPPES registry on December 19, 2011.
Where is Christina Annunziata located?
Christina Annunziata practices at 10 Center Dr Building 10, Room 12n226, Bethesda, MD 20892. The listed phone number is (301) 402-7189.
What is Christina Annunziata's specialty?
The primary specialty registered for this NPI is Internal Medicine, specializing in Medical Oncology, with taxonomy code 207RX0202X.
Is Christina Annunziata enrolled in Medicare?
Yes. Christina Annunziata 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 Christina Annunziata's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Christina Annunziata reassigns Medicare benefits to Inova Health Care Services (Fairfax, VA). 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 Christina Annunziata's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Christina Annunziata accept?
Health plans from Oscar Health list Christina Annunziata 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 Christina Annunziata affiliated with any hospitals?
According to CMS data, Christina Annunziata is affiliated with Inova Fairfax Hospital.
When was this NPI record last updated?
The NPPES record for Christina Annunziata was last updated on November 15, 2016. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 9 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. Christina Messineo Annunziata, M.D., PH.D. · NPI 1093084139
Medical Oncology physician in Bethesda, Maryland. Individual provider, active in the CMS NPPES registry since December 19, 2011.
## Identity
- **NPI:** 1093084139 (Entity type: Individual)
- **Enumerated:** December 19, 2011
- **Primary specialty:** Internal Medicine - Medical Oncology · taxonomy 207RX0202X
- **State license:** MD33274 (District of Columbia)
- **Sole proprietor:** No
## Practice location
- **Address:** 10 CENTER DR, BUILDING 10, ROOM 12N226, Bethesda, MD 20892-0001
- **Phone:** (301) 402-7189 · **Fax:** (301) 402-0172
## 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:** Inova Health Care Services (NPI 1669511051, Fairfax, VA), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Georgetown University School Of Medicine, class of 2000
## Record status
- **NPPES last updated:** November 15, 2016
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Source: [NPI Profile](https://npiprofile.com/npi/1093084139) · Data from the CMS NPPES public registry.