DR. ESTHER SHINYOUNG SONG M.D.
NPI 1003008467
Pediatrics in Gaithersburg, MD
About Dr. Esther Shinyoung Song M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. ESTHER SHINYOUNG SONG M.D. (NPI 1003008467) is an individual pediatrics provider in Gaithersburg, Maryland, licensed in Maryland (D0084599) and active in the NPI registry since August 2007. She is enrolled in Medicare PECOS.
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 (PECOS)
Dr. Esther Shinyoung Song M.d. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignment
Medicare enrollment records show Esther Song reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Gaithersburg, MD 20879
- Reassigned Medicare billing, District of Columbia enrollment
- 2,492 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 20879 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 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
GAITHERSBURG, MD 20879
GAITHERSBURG, MD 20879
GAITHERSBURG, MD 20879
GAITHERSBURG, MD 20879
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 Esther Song's NPI number?
The NPI number for Esther Song is 1003008467. It was assigned to this individual provider in the NPPES registry on August 9, 2007.
Where is Esther Song located?
Esther Song practices at 655 Watkins Mill Rd, Gaithersburg, MD 20879. The listed phone number is (240) 632-4000.
What is Esther Song's specialty?
The primary specialty registered for this NPI is Pediatrics with taxonomy code 208000000X.
Is Esther Song enrolled in Medicare?
Yes. Esther Song is registered in the Medicare PECOS enrollment system.
Which organization bills Medicare for Esther Song's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Esther Song reassigns Medicare benefits to Kaiser Foundation Health Plan Of The Mid Atlantic States, Inc (Gaithersburg, MD). 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 Esther Song'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 Esther Song was last updated on June 24, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 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. Esther Shinyoung Song, M.D. · NPI 1003008467
Pediatrics physician in Gaithersburg, Maryland. Individual provider, active in the CMS NPPES registry since August 9, 2007.
## Identity
- **NPI:** 1003008467 (Entity type: Individual)
- **Enumerated:** August 9, 2007
- **Primary specialty:** Pediatrics · taxonomy 208000000X
- **State license:** D0084599 (Maryland)
- **Sole proprietor:** No
## Practice location
- **Address:** 655 WATKINS MILL RD, Gaithersburg, MD 20879-3301
- **Phone:** (240) 632-4000
## 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:** Kaiser Foundation Health Plan Of The Mid Atlantic States, Inc (NPI 1831471713, Gaithersburg, MD), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** June 24, 2021
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Source: [NPI Profile](https://npiprofile.com/npi/1003008467) · Data from the CMS NPPES public registry.