DR. MARIA HAEJIN YOON DO
NPI 1124683370
Pediatrics in Silver Spring, MD
About Dr. Maria Haejin Yoon Do NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. MARIA HAEJIN YOON DO (NPI 1124683370) is an individual pediatrics provider in Silver Spring, Maryland, licensed in Maryland (H0095041) and active in the NPI registry since May 2019. She is enrolled in Medicare PECOS and is a graduate of Other (2013).
NPPES Registry Identity
Specialties & Licenses
Other Names 1
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Dr. Maria Haejin Yoon Do is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignments
2Medicare enrollment records show Maria Yoon reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Arlington, VA 22203
- Reassigned Medicare billing, District of Columbia enrollment
- 242 clinicians in this Medicare group
Arlington, VA 22203
- Reassigned Medicare billing, District of Columbia enrollment
- 1,534 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.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 20904 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Other Providers at the Same Location NPPES 2
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
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 Maria Yoon's NPI number?
The NPI number for Maria Yoon is 1124683370. It was assigned to this individual provider in the NPPES registry on May 2, 2019. The provider is also known as Maria Lim Do.
Where is Maria Yoon located?
Maria Yoon practices at 12520 Prosperity Dr Ste 150, Silver Spring, MD 20904. The listed phone number is (301) 989-0085.
What is Maria Yoon's specialty?
The primary specialty registered for this NPI is Pediatrics with taxonomy code 208000000X.
Is Maria Yoon enrolled in Medicare?
Yes. Maria Yoon is registered in the Medicare PECOS enrollment system.
Which organizations bill Medicare for Maria Yoon's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Maria Yoon reassigns Medicare benefits to 2 organizations: Privia Care Center LLC (Arlington, VA) and Privia Medical Group, LLC (Arlington, 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 Maria Yoon's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
When was this NPI record last updated?
The NPPES record for Maria Yoon was last updated on March 12, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 7 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. Maria Haejin Yoon, DO · NPI 1124683370
Pediatrics physician in Silver Spring, Maryland. Individual provider, active in the CMS NPPES registry since May 2, 2019.
## Identity
- **NPI:** 1124683370 (Entity type: Individual)
- **Enumerated:** May 2, 2019
- **Primary specialty:** Pediatrics · taxonomy 208000000X
- **State license:** H0095041 (Maryland)
- **Sole proprietor:** No
## Practice location
- **Address:** 12520 PROSPERITY DR STE 150, Silver Spring, MD 20904-1687
- **Phone:** (301) 989-0085
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** 2 organizations under Medicare reassignment (form CMS-855R): Privia Care Center LLC (NPI 1164874426, Arlington, VA); Privia Medical Group, LLC (NPI 1013042480, Arlington, VA) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2013
## Record status
- **NPPES last updated:** March 12, 2026
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Source: [NPI Profile](https://npiprofile.com/npi/1124683370) · Data from the CMS NPPES public registry.