DR. MATTHEW YEN MD
NPI 1356927958
Psychiatry & Neurology - Neurology in Baltimore, MD
About Dr. Matthew Yen Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. MATTHEW YEN MD (NPI 1356927958) is an individual neurology provider in Baltimore, Maryland, licensed in Maryland (D0103614) and active in the NPI registry since March 2021. He is enrolled in Medicare PECOS.
NPPES Registry Identity
Specialties & Licenses 2
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Dr. Matthew Yen Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignment
Medicare enrollment records show Matthew Yen reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Baltimore, MD 21202
- Reassigned Medicare billing, Maryland and District of Columbia enrollments
- Also billed through NPI 1255359972 (District of Columbia)
- 952 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 21201 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.
BALTIMORE, MD 21201
BALTIMORE, MD 21201
BALTIMORE, MD 21201
BALTIMORE, MD 21201
BALTIMORE, MD 21201
BALTIMORE, MD 21201
BALTIMORE, MD 21201
BALTIMORE, MD 21201
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 Matthew Yen's NPI number?
The NPI number for Matthew Yen is 1356927958. It was assigned to this individual provider in the NPPES registry on March 23, 2021.
Where is Matthew Yen located?
Matthew Yen practices at 22 S Greene St Rm N3e09, Baltimore, MD 21201. The listed phone number is (410) 328-6110.
What is Matthew Yen's specialty?
The primary specialty registered for this NPI is Psychiatry & Neurology, specializing in Neurology, with taxonomy code 2084N0400X.
Is Matthew Yen enrolled in Medicare?
Yes. Matthew Yen is registered in the Medicare PECOS enrollment system.
Which organization bills Medicare for Matthew Yen's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Matthew Yen reassigns Medicare benefits to Johns Hopkins Community Physicians (Baltimore, 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 Matthew Yen'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 Matthew Yen was last updated on June 11, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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. Matthew Yen, MD · NPI 1356927958
Neurology physician in Baltimore, Maryland. Individual provider, active in the CMS NPPES registry since March 23, 2021.
## Identity
- **NPI:** 1356927958 (Entity type: Individual)
- **Enumerated:** March 23, 2021
- **Primary specialty:** Psychiatry & Neurology - Neurology · taxonomy 2084N0400X
- **State license:** D0103614 (Maryland)
- **Sole proprietor:** No
## Practice location
- **Address:** 22 S GREENE ST RM N3E09, Baltimore, MD 21201-1544
- **Phone:** (410) 328-6110
## 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:** Johns Hopkins Community Physicians (NPI 1013738285, Baltimore, MD), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** June 11, 2026
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Source: [NPI Profile](https://npiprofile.com/npi/1356927958) · Data from the CMS NPPES public registry.