ZELDA JACQUELINE DIAMOND
NPI 1891307021
Nurse Practitioner - Family in Fairfax, VA
About Zelda Jacqueline Diamond NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
ZELDA JACQUELINE DIAMOND (NPI 1891307021) is an individual family provider in Fairfax, Virginia, licensed in Virginia (0024179847) and active in the NPI registry since August 2020. She is enrolled in Medicare PECOS, is affiliated with Novant Prince William Medical Center, and is a graduate of Other (2020).
NPPES Registry Identity
Specialties & Licenses
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
Zelda Jacqueline Diamond 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 Zelda Diamond reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Washington, DC 20007
- Reassigned Medicare billing, District of Columbia and Virginia enrollments
- Also billed through NPI 1184046187 (Virginia)
- 3,530 clinicians in this Medicare group
Washington, DC 20010
- Reassigned Medicare billing, District of Columbia and Virginia enrollments
- 277 clinicians in this Medicare group
Washington, DC 20010
- Reassigned Medicare billing, District of Columbia enrollment
- 264 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 2
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.
Novant Prince William Medical Center
Acute Care Hospitals · Manassas, VAVirginia Hospital Center
Acute Care Hospitals · Arlington, VAInova Fairfax Hospital
Acute Care Hospitals · Falls Church, VAReston Hospital Center
Acute Care Hospitals · Reston, VAPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 22031 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 3
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
FAIRFAX, VA 22031
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 Zelda Diamond's NPI number?
The NPI number for Zelda Diamond is 1891307021. It was assigned to this individual provider in the NPPES registry on August 19, 2020.
Where is Zelda Diamond located?
Zelda Diamond practices at 3020 Hamaker Ct Ste 502, Fairfax, VA 22031. The listed phone number is (703) 208-7257.
What is Zelda Diamond's specialty?
The primary specialty registered for this NPI is Nurse Practitioner, specializing in Family, with taxonomy code 363LF0000X.
Is Zelda Diamond enrolled in Medicare?
Yes. Zelda Diamond 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 Zelda Diamond's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Zelda Diamond reassigns Medicare benefits to 3 organizations: Medstar Medical Group II LLC (Washington, DC), Medstar Heart Institute LLC (Washington, DC) and Washington Hospital Center Corp (Washington, DC). 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 Zelda Diamond's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
Is Zelda Diamond affiliated with any hospitals?
According to CMS data, Zelda Diamond is affiliated with Novant Prince William Medical Center, Virginia Hospital Center, Inova Fairfax Hospital and Reston Hospital Center.
When was this NPI record last updated?
The NPPES record for Zelda Diamond was last updated on August 19, 2020. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 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.
# Zelda Jacqueline Diamond · NPI 1891307021
Family physician in Fairfax, Virginia. Individual provider, active in the CMS NPPES registry since August 19, 2020.
## Identity
- **NPI:** 1891307021 (Entity type: Individual)
- **Enumerated:** August 19, 2020
- **Primary specialty:** Nurse Practitioner - Family · taxonomy 363LF0000X
- **State license:** 0024179847 (Virginia)
- **Sole proprietor:** No
## Practice location
- **Address:** 3020 HAMAKER CT STE 502, Fairfax, VA 22031-2220
- **Phone:** (703) 208-7257
## 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:** 3 organizations under Medicare reassignment (form CMS-855R): Medstar Medical Group II LLC (NPI 1205562816, Washington, DC); Medstar Heart Institute LLC (NPI 1528345378, Washington, DC); Washington Hospital Center Corp (NPI 1376627406, Washington, DC) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2020
## Record status
- **NPPES last updated:** August 19, 2020
---
Source: [NPI Profile](https://npiprofile.com/npi/1891307021) · Data from the CMS NPPES public registry.