PINNACLE MEDICAL GROUP
NPI 1043404510
Internal Medicine in Nashville, TN

Q: What is Pinnacle Medical Group's NPI number?

The NPI number for Pinnacle Medical Group is 1043404510. It was assigned to this organization in the NPPES registry on August 28, 2007.

Q: What is Pinnacle Medical Group's specialty?

The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.

Active since August 28, 2007CLIA 44D1046511 · Waiver

345 23RD AVE N STE 306, NASHVILLE, TN 37203(615) 320-3999(615) 320-8877 Get Directions Write a Review

NPPES record last updated: December 31, 2025. Verified against the NPPES registry weekly; last sync: November 01, 2026.

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About Pinnacle Medical Group NPPES

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

PINNACLE MEDICAL GROUP (NPI 1043404510) is a healthcare organization registered as an internal medicine in Nashville, Tennessee and active in the NPI registry since August 2007. The organization holds a CLIA Waiver certificate valid through October 11, 2027 and lists Charlotte J Lohrey, Md, as its authorized official.

NPPES Registry Identity

NPI1043404510

Entity TypeOrganization

Primary Taxonomy207R00000X

Legal Business NamePINNACLE MEDICAL GROUP

Location Address345 23RD AVE N STE 306Nashville, TN 37203-1513

Mailing Address345 23rd Ave N Ste 306Nashville, TN 37203-1513 · (615) 320-3999 · Fax (615) 320-8877

Phone(615) 320-3999

Fax(615) 320-8877

Organization SubpartNo

Authorized OfficialCharlotte J LohreyMd · (615) 320-3999

Enumeration DateAugust 28, 2007

Last NPPES UpdateDecember 31, 2025

NPPES CertifiedDecember 31, 2025

✔ NPI 1043404510 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians

Taxonomy Code207R00000X

License✔ Licensed in TN · 40242

Definition

A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.

345 23RD AVE N STE 306, Nashville, TN 37203

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Other Identifiers 4

OtherP00464034TN · Railroad Medicare

Other1295770915TN · Individual Npi 1295770915

Medicaid3731365TN

Other4114884TN · Bluecross Blue Shield

Group Practice 1

Group TaxonomyThis provdier is a business group of one or more individual practitioners, all of who practice with the same area of specialization.193400000X SINGLE SPECIALTY GROUP

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Sanford Health Plan.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment and the clinicians who bill Medicare through this organization, from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Pinnacle Medical Group is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Clinicians Billing Medicare Through This Organization

Medicare enrollment records show 1 clinician reassigns Medicare billing to Pinnacle Medical Group, which bills Medicare for the services this clinician delivers.

Clinician (1)

Charlotte Lohrey, M.D.

Internal Medicine

NPI 1295770915

345 23RD AVE N SUITE 306
Nashville, TN 37203

(615) 320-3999

✔ PECOS✔ Accepts Medicare0.1 mi

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

CLIA Laboratory Certificates CMS CLIA

Laboratory certificates issued under the Clinical Laboratory Improvement Amendments (CLIA) program, which sets federal quality standards for human laboratory testing in the United States. There is no official CMS crosswalk between CLIA and NPI numbers; these certificates are associated with this NPI by matching facility names, locations and phone numbers in the CMS CLIA registry.

Certificate of Waiver 44D1046511

Pinnacle Medical Group · Nashville, TN

Active · expires Oct 11, 2027

CLIA Number44D1046511

Laboratory TypePhysician Office

Certificate Effective DateOctober 12, 2025

Certificate Expiration DateOctober 11, 2027

Laboratory DirectorCharlotte J. Lohrey

Laboratory Phone(615) 320-3999

Laboratory LocationPinnacle Medical Group345 23rd Ave N, Suite 306, Nashville, TN 37203

CLIA data matches this NPI record on: Address Name Phone

This certificate is issued to a laboratory to perform only waived tests.

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 Pinnacle Medical Group's NPI number?

The NPI number for Pinnacle Medical Group is 1043404510. It was assigned to this organization in the NPPES registry on August 28, 2007.

Where is Pinnacle Medical Group located?

Pinnacle Medical Group is located at 345 23rd Ave N Ste 306, Nashville, TN 37203. The listed phone number is (615) 320-3999.

What is Pinnacle Medical Group's specialty?

The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.

Is Pinnacle Medical Group enrolled in Medicare?

Yes. Pinnacle Medical Group is registered in the Medicare PECOS enrollment system.

How many clinicians bill Medicare through Pinnacle Medical Group?

According to the CMS Revalidation Reassignment List (October 2026 release), 1 clinician (Internal Medicine) reassigns their Medicare billing to Pinnacle Medical Group. A 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 the clinician's services. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Does Pinnacle Medical Group hold a CLIA laboratory certificate?

Yes. A Certificate of Waiver (number 44D1046511) is associated with this NPI, valid through October 11, 2027. CLIA certificates authorize laboratory testing under the federal Clinical Laboratory Improvement Amendments program.

What insurance does Pinnacle Medical Group accept?

Health plans from Sanford Health Plan list Pinnacle Medical Group 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 Pinnacle Medical Group was last updated on December 31, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 10 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.