DR. HESUM A CHEGINI D.O
NPI 1902197791
Internal Medicine - Rheumatology in Sterling, VA
About Dr. Hesum A Chegini D.o NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. HESUM A CHEGINI D.O (NPI 1902197791) is an individual rheumatology provider in Sterling, Virginia, licensed in Virginia (0102204477) and active in the NPI registry since April 2011. He is enrolled in Medicare PECOS, is affiliated with Mary Washington Hospital, and is a graduate of West Virginia School Of Osteopathic Medicine (2011).
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
Dr. Hesum A Chegini D.o 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
4Medicare enrollment records show Hesum Chegini reassigns Medicare billing to 4 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Sterling, VA 20166
- Reassigned Medicare billing, Virginia enrollment
Mc Lean, VA 22102
- Reassigned Medicare billing, District of Columbia enrollment
- 2,492 clinicians in this Medicare group
Woodbridge, VA 22191
- Reassigned Medicare billing, Virginia enrollment
- 6 clinicians in this Medicare group
Millersville, MD 21108
- Reassigned Medicare billing, Maryland enrollment
- 3 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.
Hospital Affiliations CMS Care Compare 2
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Mary Washington Hospital
Acute Care Hospitals · Fredericksburg, VAStafford Hospital, LLC
Acute Care Hospitals · Stafford, VAPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 20166 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 4
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
STERLING, VA 20166
STERLING, VA 20166
STERLING, VA 20166
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 Hesum Chegini's NPI number?
The NPI number for Hesum Chegini is 1902197791. It was assigned to this individual provider in the NPPES registry on April 27, 2011.
Where is Hesum Chegini located?
Hesum Chegini practices at 21351 Gentry Dr Ste 125, Sterling, VA 20166. The listed phone number is (571) 545-4343.
What is Hesum Chegini's specialty?
The primary specialty registered for this NPI is Internal Medicine, specializing in Rheumatology, with taxonomy code 207RR0500X.
Is Hesum Chegini enrolled in Medicare?
Yes. Hesum Chegini 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 Hesum Chegini's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Hesum Chegini reassigns Medicare benefits to 4 organizations: Rheumatology Center Of Northern Virginia (Sterling, VA), Kaiser Foundation Health Plan Of The Mid Atlantic States, Inc (Mc Lean, VA), Greater Washington Arthritis Rheumatology & Octeoporosis Ctr (Woodbridge, VA) and Mid-Atlantic Rheumatology (Millersville, 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 Hesum Chegini's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
Is Hesum Chegini affiliated with any hospitals?
According to CMS data, Hesum Chegini is affiliated with Mary Washington Hospital and Stafford Hospital, LLC.
When was this NPI record last updated?
The NPPES record for Hesum Chegini was last updated on April 4, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 18 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.
# Dr. Hesum A Chegini, D.O · NPI 1902197791
Rheumatology physician in Sterling, Virginia. Individual provider, active in the CMS NPPES registry since April 27, 2011.
## Identity
- **NPI:** 1902197791 (Entity type: Individual)
- **Enumerated:** April 27, 2011
- **Primary specialty:** Internal Medicine - Rheumatology · taxonomy 207RR0500X
- **State license:** 0102204477 (Virginia)
- **Sole proprietor:** Yes
## Practice location
- **Address:** 21351 GENTRY DR STE 125, Sterling, VA 20166-8511
- **Phone:** (571) 545-4343 · **Fax:** (571) 545-4342
## 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:** 4 organizations under Medicare reassignment (form CMS-855R): Rheumatology Center Of Northern Virginia (NPI 1942012372, Sterling, VA); Kaiser Foundation Health Plan Of The Mid Atlantic States, Inc (NPI 1376815472, Mc Lean, VA); Greater Washington Arthritis Rheumatology & Octeoporosis Ctr (NPI 1366895567, Woodbridge, VA); Mid-Atlantic Rheumatology (NPI 1891131918, Millersville, MD) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** West Virginia School Of Osteopathic Medicine, class of 2011
## Record status
- **NPPES last updated:** April 4, 2025
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Source: [NPI Profile](https://npiprofile.com/npi/1902197791) · Data from the CMS NPPES public registry.