ERIN PRESTON GRUNER MD
NPI 1497199301
Obstetrics & Gynecology in Hendersonville, TN

Active since April 22, 2013PECOS EnrolledAccepts Medicare Assignment
353 NEW SHACKLE ISLAND RD STE 341C, HENDERSONVILLE, TN 37075(615) 826-1716(615) 826-4841 Get Directions Write a Review

NPPES record last updated: May 14, 2026. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: May 14, 2026, Jul 21, 2022, Sep 21, 2017 and 1 more (4 updates tracked since 2017).

About Erin Preston Gruner Md NPPES

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

ERIN PRESTON GRUNER MD (NPI 1497199301) is an individual obstetrics & gynecology provider in Hendersonville, Tennessee, licensed in Tennessee (55756) and active in the NPI registry since April 2013. She is enrolled in Medicare PECOS, maintains a secondary practice location in Springfield, and is a graduate of East Tennessee State University Quillen College Of Medicine (2013).

NPPES Registry Identity

NPI1497199301
Entity TypeIndividualFemale
Primary Taxonomy207V00000X
Provider Legal NameERIN PRESTON GRUNERCredential: MD
Location Address353 NEW SHACKLE ISLAND RD STE 341CHendersonville, TN 37075-2354
Mailing Address353 New Shackle Island Rd Ste 341cHendersonville, TN 37075-2354 · (615) 826-1716 · Fax (615) 826-4841
Fax(615) 826-4841
Sole ProprietorNo
Medical School CMSEast Tennessee State University Quillen College Of MedicineGraduated 2013
Enumeration DateApril 22, 2013
Last NPPES UpdateMay 14, 20264 updates tracked since enumeration
NPPES CertifiedMay 14, 2026
✔ NPI 1497199301 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyObstetrics & GynecologyAllopathic & Osteopathic Physicians
Taxonomy Code207V00000X
License✔ Licensed in TN · 55756
Definition
An obstetrician/gynecologist possesses special knowledge, skills and professional capability in the medical and surgical care of the female reproductive system and associated disorders. This physician serves as a consultant to other physicians and as a primary physician for women.
353 NEW SHACKLE ISLAND RD STE 341C, Hendersonville, TN 37075

Secondary Practice Location 1

Location 1500 Northcrest Drive Suite 520Springfield, TN 37172 · Phone (615) 219-6190

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 Preston Gruner Md 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 ID3476797812
PECOS Enrollment IDI20171204001017
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 Gruner reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Obstetrics & Gynecology
300 STONECREST BLVD STE 310
Smyrna, TN 37167
  • Reassigned Medicare billing, Tennessee enrollment
  • 109 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.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 37075 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
$121.80 typical visit price
range $52.64 – $160.89
Typical copayment $30.45 (range $13.16 – $40.22)
Most-billed visit code 99204
Established Patient
$66.01 typical visit price
range $16.72 – $131.41
Typical copayment $16.50 (range $4.18 – $32.85)
Most-billed visit code 99213
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 6

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

Obstetrics & Gynecology
353 NEW SHACKLE ISLAND RD STE 341C
HENDERSONVILLE, TN 37075
Nurse Practitioner (Family)
353 NEW SHACKLE ISLAND RD STE 341C
HENDERSONVILLE, TN 37075
Nurse Practitioner (Family)
353 NEW SHACKLE ISLAND RD STE 341C
HENDERSONVILLE, TN 37075
Physician Assistant
353 NEW SHACKLE ISLAND RD STE 341C
HENDERSONVILLE, TN 37075
Obstetrics & Gynecology
353 NEW SHACKLE ISLAND RD STE 341C
HENDERSONVILLE, TN 37075
Obstetrics & Gynecology
353 NEW SHACKLE ISLAND RD STE 341C
HENDERSONVILLE, TN 37075

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 Gruner's NPI number?

The NPI number for Erin Gruner is 1497199301. It was assigned to this individual provider in the NPPES registry on April 22, 2013.

Where is Erin Gruner located?

Erin Gruner practices at 353 New Shackle Island Rd Ste 341C, Hendersonville, TN 37075. The listed phone number is (615) 826-1716.

What is Erin Gruner's specialty?

The primary specialty registered for this NPI is Obstetrics & Gynecology with taxonomy code 207V00000X.

Is Erin Gruner enrolled in Medicare?

Yes. Erin Gruner 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 Gruner's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Erin Gruner reassigns Medicare benefits to Diana Health Tn, PC (Smyrna, TN). 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 Gruner's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Erin Gruner accept?

Health plans from Cigna Healthcare and UnitedHealthcare list Erin Gruner 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.

When was this NPI record last updated?

The NPPES record for Erin Gruner was last updated on May 14, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 months 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.