Matthew Edward Simmons, M.D.
Infectious Disease · Internal Medicine (CMS) · Cumberland, MD
At a glance
12502 Willowbrook Rd Ste 400, Cumberland, MD 21502-6567
NPPES record updated Sep 16, 2026. Public records can lag behind changes at a practice.
Before you call: a quick checklist
- Are you accepting new patients?
- Do you accept my specific insurance plan?
- Do you provide the service I need at this address?
- Do I need a referral, and what is the earliest appointment?
Insurance participation and appointment availability are not established by these public records.
Medicare & insurance
Insurance participation is not established by these public records. Ask the practice and your insurer about your specific plan and this location.
How to check your coverage
Use your plan’s provider directory or the member-services number on your insurance card. Confirm the clinician, practice address, service, and whether a referral is required. A missing opt-out record does not establish Medicare acceptance.
Check the official Medicare directory ↗Practice location
12502 Willowbrook Rd Ste 400Cumberland, MD 21502-6567
Additional reported practice locations
23789 Garrett HwyMc Henry, MD 215411338
Phone: 2404884139
Fax: 2404884956 12500 Willowbrook Rd
Cumberland, MD 215026393
Phone: 2409648913
Fax: 2409648911 2000 Professional Ct
Suite A
Martinsburg, WV 254018803
Phone: 3042649837
Fax: 3042649838
Education & affiliations
- Medical / professional school
- West Virginia University School Of Medicine
- Graduation year
- 2011
- CMS specialties
- Infectious Disease · Internal Medicine
Practice groups
- Potomac Valley Hospital Of W Va, Inc
- Specialty Physicians Of Garrett County, Llc
- Upmc Western Maryland Health Services Llc
Reported hospital affiliations
- Garrett Regional Medical Center Oakland, MD
- Potomac Valley Hospital Keyser, WV
- Western Maryland Regional Medical Center Cumberland, MD
Graduation year does not establish years in practice. A reported affiliation does not establish employment, current admitting privileges, or insurance participation.
Source: CMS National Downloadable File · Published Oct 15, 2026.
Source: CMS Facility Affiliation Data · Published Oct 15, 2026.
Procedures in the public data
Reported activity can help you ask more informed questions about a practice’s services.
No displayed procedure-category record in this release. This does not mean the clinician performs no procedures.
CMS uses a one-year claims window with a reporting lag. Counts cover the Medicare activity included by CMS, not all patients. “1–10” is a published range. Volume is not a quality or outcomes score. Coverage and methodology
Source: CMS Utilization Data · Published Oct 15, 2026.
Service-mix comparison is unavailable for this NPI in the imported Medicare service file.
Industry-reported general payments
No matching general-payment summary in the imported release. This is not a verified zero and does not rule out other payment types or years.
Source: CMS 2025 payments grouped by covered recipient and nature of payments · Published Jun 30, 2026.
Professional details: NPI, taxonomy & registry record
Registry details
- Primary taxonomy
- Infectious Disease · Internal Medicine (CMS)
- Taxonomy code
- 207RI0200X
- Enumeration date
- Jul 3, 2007
- Record updated
- Sep 16, 2026
More registry details
- Provider type
- Individual · Type 1
- Reported credentials
- M.D.
Reported taxonomies and licenses
207R00000X
License reported: 23140 WV
207RI0200X
License reported: 23140 WV
390200000X
207RI0200X · Primary
License reported: D90498 MD
License numbers and credentials are reported to NPPES; HCPList does not independently verify them.
Practice location
12502 Willowbrook Rd Ste 400Cumberland, MD 21502-6567
- Phone
- (240) 964-8913
- Fax
- (240) 964-8911
Mailing address
PO BOX 1671CUMBERLAND, MD 215011671
Information may be outdated or incomplete. Confirm details directly with the practice. HCPList is an independent directory and is not affiliated with CMS.
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