Erin Deihl, D.O.
Internal Medicine · Falls Church, VA
At a glance
3300 Gallows Rd, Falls Church, VA 22042-3300
NPPES record updated May 10, 2024. 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
3300 Gallows RdFalls Church, VA 22042-3300
Additional reported practice locations
1240 S. Cedar Crest Blvd, Suite 410Lvhn Department Of Medicine
Allentown, PA 181051556
Phone: 6109694370 44045 Riverside Pkwy
Leesburg, VA 201765101
Phone: 7038586000
Fax: 7038586900 2501 Parkers Ln
Alexandria, VA 223063209
Phone: 7036647000
Fax: 7036647666
Education & affiliations
- Medical / professional school
- Not reported in this file
- Graduation year
- 2011
- CMS specialties
- Hospitalist · Internal Medicine
Practice groups
Reported hospital affiliations
- Virginia Hospital Center Arlington, VA
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
- Internal Medicine
- Taxonomy code
- 207R00000X
- Enumeration date
- Jun 9, 2011
- Record updated
- May 10, 2024
More registry details
- Provider type
- Individual · Type 1
- Reported credentials
- D.O.
Reported taxonomies and licenses
207R00000X · Primary
License reported: 0102205892 VA
207R00000X
License reported: OT014059 PA
License numbers and credentials are reported to NPPES; HCPList does not independently verify them.
Practice location
3300 Gallows RdFalls Church, VA 22042-3300
- Phone
- (703) 776-4001
- Fax
- (703) 776-7113
Mailing address
PO BOX 37174BALTIMORE, MD 212973174
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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