DR. MATTHEW YEN MD
NPI 1356927958
Psychiatry & Neurology - Neurology in Baltimore, MD

Active since March 23, 2021PECOS Enrolled
22 S GREENE ST RM N3E09, BALTIMORE, MD 21201(410) 328-6110 Get Directions Write a Review

NPPES record last updated: June 11, 2026. Verified against the NPPES registry weekly; last sync: August 02, 2026.

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

NPI1356927958
Entity TypeIndividualMale
Primary Taxonomy2084N0400X
Provider Legal NameDR. MATTHEW YENCredential: MD
Location Address22 S GREENE ST RM N3E09Baltimore, MD 21201-1544
Mailing Address22 S Greene St Rm N3e09Baltimore, MD 21201-1544 · (410) 328-6110
Sole ProprietorNo
Enumeration DateMarch 23, 2021
Last NPPES UpdateJune 11, 2026
NPPES CertifiedJune 11, 2026
NPI 1356927958 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

Primary SpecialtyPsychiatry & Neurology · NeurologyAllopathic & Osteopathic Physicians
Taxonomy Code2084N0400X
License Licensed in MD · D0103614
Definition
A Neurologist specializes in the diagnosis and treatment of diseases or impaired function of the brain, spinal cord, peripheral nerves, muscles, autonomic nervous system, and blood vessels that relate to these structures.
22 S GREENE ST RM N3E09, Baltimore, MD 21201

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

Enrolled in Medicare (PECOS)

Dr. Matthew Yen Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Eligible to Order & Refer Part B Labs & Imaging Durable Medical Equipment Home Health Agency Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

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.

New Patient
$139.05 typical visit price
range $60.73 – $183.44
Typical copayment $34.76 (range $15.18 – $45.86)
Most-billed visit code 99204
Established Patient
$106.59 typical visit price
range $19.60 – $149.17
Typical copayment $26.64 (range $4.90 – $37.29)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

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.

Student in an Organized Health Care Education/Training Program
22 S GREENE ST RM N3E09
BALTIMORE, MD 21201
Student in an Organized Health Care Education/Training Program
22 S GREENE ST RM N3E09
BALTIMORE, MD 21201
Student in an Organized Health Care Education/Training Program
22 S GREENE ST RM N3E09
BALTIMORE, MD 21201
Student in an Organized Health Care Education/Training Program
22 S GREENE ST RM N3E09
BALTIMORE, MD 21201
Student in an Organized Health Care Education/Training Program
22 S GREENE ST RM N3E09
BALTIMORE, MD 21201
Student in an Organized Health Care Education/Training Program
22 S GREENE ST RM N3E09
BALTIMORE, MD 21201
Student in an Organized Health Care Education/Training Program
22 S GREENE ST RM N3E09
BALTIMORE, MD 21201
Student in an Organized Health Care Education/Training Program
22 S GREENE ST RM N3E09
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.

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 54 days 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.