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ELISE R DIAMOND M.D., M.P.H
NPI 1467806422
Obstetrics & Gynecology in Fairfax, VA

Active since April 15, 2016PECOS EnrolledAccepts Medicare Assignment
3620 JOSEPH SIEWICK DR STE 307, FAIRFAX, VA 22033(703) 391-3180(703) 391-3390 Get Directions Write a Review

NPPES record last updated: April 23, 2026. Verified against the NPPES registry weekly; last sync: October 25, 2026.

About Elise R Diamond M.d., M.p.h NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

ELISE R DIAMOND M.D., M.P.H (NPI 1467806422) is an individual obstetrics & gynecology provider in Fairfax, Virginia, licensed in Virginia (0101270726) and active in the NPI registry since April 2016. She is enrolled in Medicare PECOS, is affiliated with Inova Fair Oaks Hospital, and is a graduate of University Of South Florida College Of Medicine (2016).

NPPES Registry Identity

NPI1467806422
Entity TypeIndividualFemale
Primary Taxonomy207V00000X
Provider Legal NameELISE R DIAMONDCredential: M.D., M.P.H
Location Address3620 JOSEPH SIEWICK DR STE 307Fairfax, VA 22033-1760
Mailing AddressPo Box 37174Baltimore, MD 21297-3174 · (571) 423-5699 · Fax (571) 423-5698
Phone(703) 391-3180
Fax(703) 391-3390
Sole ProprietorNo
Medical School CMSUniversity Of South Florida College Of MedicineGraduated 2016
Enumeration DateApril 15, 2016
Last NPPES UpdateApril 23, 2026
NPPES CertifiedApril 23, 2026
✔ NPI 1467806422 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyObstetrics & GynecologyAllopathic & Osteopathic Physicians
Taxonomy Code207V00000X
License✔ Licensed in VA · 0101270726
Definition
An obstetrician/gynecologist possesses special knowledge, skills and professional capability in the medical and surgical care of the female reproductive system and associated disorders. This physician serves as a consultant to other physicians and as a primary physician for women.
3620 JOSEPH SIEWICK DR STE 307, Fairfax, VA 22033
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Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Oscar Health.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

Elise R Diamond M.d., M.p.h 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.

PECOS PAC ID2163832965
PECOS Enrollment IDI20201106000367, I20220308001123
Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Medicare Billing Reassignments

5

Medicare enrollment records show Elise Diamond reassigns Medicare billing to 5 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Nmg Affiliate Practice I, LLC
4.9 mi
Emergency Medicine
6208 MULTIPLEX DR, SUITE 150
Centreville, VA 20121
  • Reassigned Medicare billing, Virginia enrollment
  • Medicare enrollment name: Uva Community Health Medical Group LLC
  • 584 clinicians in this Medicare group
NPI 1881046993 (703) 366-2590
Inova Health Care Services
6.4 mi
Urgent Care
100 MAPLE AVE E
Vienna, VA 22180
  • Reassigned Medicare billing, Virginia and District of Columbia enrollments
  • Also billed through NPI 1669511051 (District of Columbia)
  • 2,379 clinicians in this Medicare group
NPI 1275886418 (703) 938-5300
Privia Medical Group, LLC
14 mi
Internal Medicine
950 N GLEBE RD STE 700
Arlington, VA 22203
  • Reassigned Medicare billing, District of Columbia enrollment
  • 1,534 clinicians in this Medicare group
NPI 1013042480 (571) 366-8850
Fauquier Physician Practices LLC
26 mi
Internal Medicine
550 HOSPITAL DR
Warrenton, VA 20186
  • Reassigned Medicare billing, Virginia enrollment
  • 111 clinicians in this Medicare group
NPI 1770916983 (540) 316-5940
Obhg Virginia, LLC
99 mi
Obstetrics & Gynecology
13700 ST FRANCIS BLVD, SUITE 100
Midlothian, VA 23114
  • Reassigned Medicare billing, Virginia enrollment
  • 315 clinicians in this Medicare group
NPI 1972807394 (800) 967-2289

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 Fair Oaks Hospital

Acute Care Hospitals · Fairfax, VA
5/5 CMS rating
OwnershipVoluntary non-profit - Other
CMS Certification Number490101
Location3600 Joseph Siewick DriveFairfax, VA 22033 · Fairfax County
Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 22033 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$147.85 typical visit price
range $65.18 – $194.86
Typical copayment $36.96 (range $16.29 – $48.71)
Most-billed visit code 99204
Established Patient
$80.66 typical visit price
range $21.40 – $158.88
Typical copayment $20.16 (range $5.35 – $39.72)
Most-billed visit code 99213
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES 4

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

LAURA BROTT
Nurse Practitioner (Women's Health)
3620 JOSEPH SIEWICK DR STE 307
FAIRFAX, VA 22033
Fairfax County (571) 419-5645
ALEXA ALVEY FLOWERS CNM, MSN, C-EFM
Advanced Practice Midwife
3620 JOSEPH SIEWICK DR STE 307
FAIRFAX, VA 22033
Fairfax County (703) 391-3180
CHRISTINE M KLAM NP
Nurse Practitioner (Women's Health)
3620 JOSEPH SIEWICK DR STE 307
FAIRFAX, VA 22033
Fairfax County (703) 391-3180
MELISSA S TORRES CNM
Advanced Practice Midwife
3620 JOSEPH SIEWICK DR STE 307
FAIRFAX, VA 22033
Fairfax County (703) 391-3180

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 Elise Diamond's NPI number?

The NPI number for Elise Diamond is 1467806422. It was assigned to this individual provider in the NPPES registry on April 15, 2016.

Where is Elise Diamond located?

Elise Diamond practices at 3620 Joseph Siewick Dr Ste 307, Fairfax, VA 22033. The listed phone number is (703) 391-3180.

What is Elise Diamond's specialty?

The primary specialty registered for this NPI is Obstetrics & Gynecology with taxonomy code 207V00000X.

Is Elise Diamond enrolled in Medicare?

Yes. Elise 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 Elise Diamond's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Elise Diamond reassigns Medicare benefits to 5 organizations: Nmg Affiliate Practice I, LLC (Centreville, VA), Inova Health Care Services (Vienna, VA), Privia Medical Group, LLC (Arlington, VA), Fauquier Physician Practices LLC (Warrenton, VA) and Obhg Virginia, LLC (Midlothian, VA). 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 Elise Diamond's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Elise Diamond accept?

Health plans from Oscar Health list Elise Diamond 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 Elise Diamond affiliated with any hospitals?

According to CMS data, Elise Diamond is affiliated with Inova Fair Oaks Hospital.

When was this NPI record last updated?

The NPPES record for Elise Diamond was last updated on April 23, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 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.