Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

ERIN L TENNYSON AG-ACNP
NPI 1366055956
Nurse Practitioner - Acute Care in Charlottesville, VA

Active since August 25, 2020PECOS EnrolledAccepts Medicare Assignment
500 RAY C HUNT DR, CHARLOTTESVILLE, VA 22903(434) 243-1000(434) 244-7551 Get Directions Write a Review

NPPES record last updated: October 2, 2026. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Oct 2, 2026, Jun 21, 2024, Oct 10, 2023 and 1 more (4 updates tracked since 2020).

About Erin L Tennyson Ag-acnp NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

ERIN L TENNYSON AG-ACNP (NPI 1366055956) is an individual acute care provider in Charlottesville, Virginia, licensed in Virginia (0024179955) and active in the NPI registry since August 2020. She is enrolled in Medicare PECOS, is affiliated with University Of Virginia Medical Center, and maintains a secondary practice location in Charlottesville.

NPPES Registry Identity

NPI1366055956
Entity TypeIndividualFemale
Primary Taxonomy363LA2100X
Provider Legal NameERIN L TENNYSONCredential: AG-ACNP
Location Address500 RAY C HUNT DRCharlottesville, VA 22903-2981
Mailing AddressPo Box 749112Atlanta, GA 30374-9112 · (434) 295-1000
Fax(434) 244-7551
Sole ProprietorNo
Medical School CMSOtherGraduated 2020
Enumeration DateAugust 25, 2020
Last NPPES UpdateOctober 2, 20264 updates tracked since enumeration
NPPES CertifiedOctober 2, 2026
✔ NPI 1366055956 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyNurse Practitioner · Acute CarePhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363LA2100X
License✔ Licensed in VA · 0024179955
500 RAY C HUNT DR, Charlottesville, VA 22903

Other Names 1

Former Name (1)Erin L Donnelly

Secondary Practice Location 1

Location 11215 Lee StCharlottesville, VA 22908-0816 · Phone (434) 924-2547 · Fax (434) 982-1893

Accepted Insurance

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Erin L Tennyson Ag-acnp is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID8729439047
PECOS Enrollment IDI20240110004044
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.

Medicare Billing Reassignment

Medicare enrollment records show Erin Tennyson reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Neuromusculoskeletal Medicine, Sports Medicine
4105 LEWIS AND CLARK DR
Charlottesville, VA 22911
  • Reassigned Medicare billing, Virginia enrollment
  • 2,820 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.

Areas of Expertise CMS Part B claims 2

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214
This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.
44 services43 patients
Critical care, first 30-74 minutes 99291
Critical care involves immediate and constant attention by a team of specially-trained health professionals. It's for patients with life-threatening conditions, requiring first 30-74 minutes of intense monitoring and treatment.
19 services11 patients

Hospital Affiliations CMS Care Compare

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

University Of Virginia Medical Center

Acute Care Hospitals · Charlottesville, VA
4/5 CMS rating
OwnershipGovernment - State
CMS Certification Number490009
Location1215 Lee StreetCharlottesville, VA 22908 · Charlottesville City County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 22903 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
$86.88 typical visit price
range $56.19 – $170.30
Typical copayment $21.72 (range $14.04 – $42.57)
Most-billed visit code 99203
Established Patient
$99.13 typical visit price
range $18.07 – $138.91
Typical copayment $24.78 (range $4.51 – $34.72)
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.

Internal Medicine (Cardiovascular Disease)
500 RAY C HUNT DR
CHARLOTTESVILLE, VA 22903
Urology
500 RAY C HUNT DR
CHARLOTTESVILLE, VA 22903
Internal Medicine (Cardiovascular Disease)
500 RAY C HUNT DR
CHARLOTTESVILLE, VA 22903
Nurse Practitioner (Acute Care)
500 RAY C HUNT DR
CHARLOTTESVILLE, VA 22903
Nurse Practitioner
500 RAY C HUNT DR
CHARLOTTESVILLE, VA 22903
Internal Medicine (Cardiovascular Disease)
500 RAY C HUNT DR
CHARLOTTESVILLE, VA 22903
Internal Medicine (Cardiovascular Disease)
500 RAY C HUNT DR
CHARLOTTESVILLE, VA 22903
Obstetrics & Gynecology (Urogynecology and Reconstructive Pelvic Surgery)
500 RAY C HUNT DR
CHARLOTTESVILLE, VA 22903

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 Erin Tennyson's NPI number?

The NPI number for Erin Tennyson is 1366055956. It was assigned to this individual provider in the NPPES registry on August 25, 2020. The provider is also known as Erin L Donnelly.

Where is Erin Tennyson located?

Erin Tennyson practices at 500 Ray C Hunt Dr, Charlottesville, VA 22903. The listed phone number is (434) 243-1000.

What is Erin Tennyson's specialty?

The primary specialty registered for this NPI is Nurse Practitioner, specializing in Acute Care, with taxonomy code 363LA2100X.

Is Erin Tennyson enrolled in Medicare?

Yes. Erin Tennyson is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

Which organization bills Medicare for Erin Tennyson's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Erin Tennyson reassigns Medicare benefits to University Of Virginia Physicians Group (Charlottesville, VA). 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 Erin Tennyson's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Erin Tennyson accept?

Health plans from Oscar Health list Erin Tennyson as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

Is Erin Tennyson affiliated with any hospitals?

According to CMS data, Erin Tennyson is affiliated with University Of Virginia Medical Center.

When was this NPI record last updated?

The NPPES record for Erin Tennyson was last updated on October 2, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 24 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.