ZACHARY YIN MD
NPI 1336880970
Internal Medicine in Bethesda, MD
About Zachary Yin Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
ZACHARY YIN MD (NPI 1336880970) is an individual internal medicine provider in Bethesda, Maryland, licensed in Maryland (D0104332) and active in the NPI registry since April 2022. He is enrolled in Medicare PECOS, maintains a secondary practice location in New Orleans, and is a graduate of Other (2021).
NPPES Registry Identity
Specialties & Licenses 2
Secondary Practice Location 1
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
Zachary Yin Md 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 Reassignment
Medicare enrollment records show Zachary Yin reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Washington, DC 20007
- Reassigned Medicare billing, District of Columbia enrollment
- 3,530 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 20817 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.
BETHESDA, MD 20817
BETHESDA, MD 20817
BETHESDA, MD 20817
BETHESDA, MD 20817
BETHESDA, MD 20817
BETHESDA, MD 20817
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 Zachary Yin's NPI number?
The NPI number for Zachary Yin is 1336880970. It was assigned to this individual provider in the NPPES registry on April 6, 2022.
Where is Zachary Yin located?
Zachary Yin practices at 6410 Rockledge Dr, Bethesda, MD 20817. The listed phone number is (301) 897-5001.
What is Zachary Yin's specialty?
The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.
Is Zachary Yin enrolled in Medicare?
Yes. Zachary Yin 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 organization bills Medicare for Zachary Yin's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Zachary Yin reassigns Medicare benefits to Medstar Medical Group II LLC (Washington, DC). 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 Zachary Yin'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 Zachary Yin was last updated on August 8, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 14 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.
# Zachary Yin, MD · NPI 1336880970
Internal Medicine physician in Bethesda, Maryland. Individual provider, active in the CMS NPPES registry since April 6, 2022.
## Identity
- **NPI:** 1336880970 (Entity type: Individual)
- **Enumerated:** April 6, 2022
- **Primary specialty:** Internal Medicine · taxonomy 207R00000X
- **State license:** D0104332 (Maryland)
- **Sole proprietor:** No
## Practice location
- **Address:** 6410 ROCKLEDGE DR, Bethesda, MD 20817-1809
- **Phone:** (301) 897-5001
## 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:** Medstar Medical Group II LLC (NPI 1205562816, Washington, DC), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2021
## Record status
- **NPPES last updated:** August 8, 2025
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Source: [NPI Profile](https://npiprofile.com/npi/1336880970) · Data from the CMS NPPES public registry.