Diane M Allen, FNP
Family Nurse Practitioner · Tullahoma, TN
At a glance
1321 Cedar Ln, Tullahoma, TN 37388-2227
NPPES record updated Oct 28, 2025. 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
1321 Cedar LnTullahoma, TN 37388-2227
Additional reported practice locations
1 Hospital Dr SwHuntsville, AL 358016455
Phone: 9312709729
Fax: 9312709926 600 Whitesport Cir Sw
Huntsville, AL 358016495
Phone: 2564295622
Fax: 2564294618
Education & affiliations
- Medical / professional school
- Not reported in this file
- Graduation year
- 1989
- CMS specialties
- Nurse Practitioner
Practice groups
Reported hospital affiliations
- Vanderbilt Tullahoma-Harton Hospital Tullahoma, TN
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.
Find providers with a similar service mix
Compare 2024 published Medicare activity in the same reported specialty, here or in another city.
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
- Family Nurse Practitioner
- Taxonomy code
- 363LF0000X
- Enumeration date
- Dec 23, 2008
- Record updated
- Oct 28, 2025
More registry details
- Provider type
- Individual · Type 1
- Reported credentials
- FNP
Reported taxonomies and licenses
363L00000X
License reported: 3-000174 AL
363LF0000X · Primary
License reported: 5532 TN
License numbers and credentials are reported to NPPES; HCPList does not independently verify them.
Practice location
1321 Cedar LnTullahoma, TN 37388-2227
- Phone
- (931) 222-4207
Mailing address
2717 E OAKLAND AVEJOHNSON CITY, TN 376011843
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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