LAUREN GRIMSLEY MD
NPI 1730560111
Surgery - Vascular Surgery in Knoxville, TN

Q: What is Lauren Grimsley's NPI number?

The NPI number for Lauren Grimsley is 1730560111. It was assigned to this individual provider in the NPPES registry on June 11, 2015. The provider is also known as Lauren Benner.

Q: What is Lauren Grimsley's specialty?

The primary specialty registered for this NPI is Surgery, specializing in Vascular Surgery, with taxonomy code 2086S0129X.

Q: When was this NPI record last updated?

The NPPES record for Lauren Grimsley was last updated on November 17, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 11 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.

Active since June 11, 2015PECOS EnrolledAccepts Medicare Assignment

95.69/100

CMS Quality Rating

1920 ALCOA HWY STE E120, KNOXVILLE, TN 37920(865) 305-8040(865) 305-8491 Get Directions Write a Review

NPPES record last updated: November 17, 2025. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Nov 17, 2025, Oct 3, 2018 (2 updates tracked since 2018).

On this page

About Lauren Grimsley Md NPPES

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

LAUREN GRIMSLEY MD (NPI 1730560111) is an individual vascular surgery provider in Knoxville, Tennessee, licensed in Tennessee (68666) and active in the NPI registry since June 2015. She is enrolled in Medicare PECOS, is affiliated with University Health System, Inc, and is a graduate of Medical University Of South Carolina College Of Medicine (2015).

NPPES Registry Identity

NPI1730560111

Entity TypeIndividualFemale

Primary Taxonomy2086S0129X

Provider Legal NameLAUREN GRIMSLEYCredential: MD

Location Address1920 ALCOA HWY STE E120Knoxville, TN 37920-1501

Mailing Address1920 Alcoa Hwy Ste E120Knoxville, TN 37920-1501 · (865) 305-8040 · Fax (865) 305-8491

Phone(865) 305-8040

Fax(865) 305-8491

Sole ProprietorYes

Medical School CMSMedical University Of South Carolina College Of MedicineGraduated 2015

Enumeration DateJune 11, 2015

Last NPPES UpdateNovember 17, 20252 updates tracked since enumeration

NPPES CertifiedNovember 17, 2025

✔ NPI 1730560111 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtySurgery · Vascular SurgeryAllopathic & Osteopathic Physicians

Taxonomy Code2086S0129X

License✔ Licensed in TN · 68666

Definition

A surgeon with expertise in the management of surgical disorders of the blood vessels, excluding the intracranial vessels or the heart.

1920 ALCOA HWY STE E120, Knoxville, TN 37920

Open in Google Maps ↗

Other Names 1

Former Name (1)Lauren Benner

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 BlueCross BlueShield of Tennessee, Cigna Healthcare, Oscar Insurance Company and more.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

Lauren Grimsley 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 ID6901158781

PECOS Enrollment IDI20230929000530

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 Lauren Grimsley reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

University Health System, Inc

0.3 mi

Surgery

1934 ALCOA HWY, STE 370
Knoxville, TN 37920

Reassigned Medicare billing, Tennessee enrollment
832 clinicians in this Medicare group

NPI 1295098614 (865) 305-9620

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 20

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.

Ultrasound study of arm or leg veins with compression and maneuvers 93970

An ultrasound study of arm or leg veins with compression and maneuvers is a non-invasive procedure that uses sound waves to create images of your veins. This helps identify blood clots or other vein problems. During the procedure, pressure is applied to the veins and certain movements are performed to assess blood flow.

165 services161 patients

Ultrasound of both sides of head and neck blood flow 93880

An ultrasound of the head and neck blood flow is a safe, non-invasive procedure that uses sound waves to create images of blood vessels. It helps detect abnormalities like blockages or clots, ensuring optimal blood flow.

140 services138 patients

Ultrasound of leg arteries or artery grafts 93925

An ultrasound of leg arteries or artery grafts is a non-invasive imaging test. It uses high-frequency sound waves to capture live images from inside your body, specifically your leg arteries or grafts. This helps in detecting any blockages or abnormalities.

102 services99 patients

Ultrasound study of arm and leg arteries 93922

An ultrasound study of arm and leg arteries is a non-invasive procedure that uses sound waves to create images of your arteries. It helps in checking blood flow, identifying blockages, or detecting other abnormalities in your arteries.

87 services84 patients

Ultrasound study of one arm or leg veins with compression and maneuvers 93971

This is a non-invasive procedure using sound waves to visualize veins in an arm or leg. It involves applying gentle pressure and performing certain movements. It helps identify any abnormal blood flow or clots, ensuring vascular health.

86 services86 patients

Complete ultrasound of aorta, vena cava, groin vessels or bypass grafts 93978

This procedure involves using sound waves to create images of your aorta, vena cava, groin vessels, or bypass grafts. It helps to detect abnormalities or blockages, ensuring your blood flows smoothly. It's painless and non-invasive.

50 services50 patients

Ultrasound of both sides of head and neck blood flow 93880

38 services38 patients

Ultrasound study of arm and leg arteries 93922

34 services32 patients

Ultrasound of leg arteries or artery grafts 93925

31 services30 patients

Ultrasonic guidance for blood vessel access 76937

Ultrasonic guidance for blood vessel access is a medical procedure where sound waves are used to create images of your blood vessels. This helps doctors to accurately locate and access the vessels for treatments or tests, ensuring safety and precision.

21 services19 patients

Ultrasound of one arm arteries or artery grafts 93931

An ultrasound of arm arteries or artery grafts is a non-invasive imaging test. It uses sound waves to create pictures of the arteries in your arm or of an artery graft. This helps to check blood flow and identify any blockages or abnormalities. It's painless and safe.

21 services21 patients

Ultrasound study of arm or leg veins with compression and maneuvers 93970

21 services21 patients

Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more 99213

This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.

19 services16 patients

Ultrasound of one leg arteries or artery grafts 93926

An ultrasound of leg arteries or artery grafts is a non-invasive test using sound waves to create images of your blood vessels. This helps doctors assess blood flow, identify blockages, and monitor the health of grafts.

18 services17 patients

Ultrasound study of one arm or leg veins with compression and maneuvers 93971

16 services16 patients

Fluoroscopic guidance for insertion or removal of central vein access device 77001

Fluoroscopic guidance for central vein access device insertion or removal is a procedure where a special X-ray, called a fluoroscope, is used to help accurately place or remove a device in a central vein. This device aids in delivering medications or collecting blood samples.

15 services12 patients

Complete ultrasound of aorta, vena cava, groin vessels or bypass grafts 93978

14 services14 patients

New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more 99203

This service involves an initial office or outpatient visit for a new patient. The healthcare professional will spend 30-44 minutes understanding your health history, current issues, and discussing possible treatment plans. It's a comprehensive evaluation to start your healthcare journey.

14 services14 patients

New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more 99204

This is a first-time office or outpatient visit lasting between 45-59 minutes. The healthcare provider evaluates your health, discusses your medical history, and may suggest further tests or treatments. It's an opportunity to ask questions and understand your health better.

13 services13 patients

Ultrasound of arm arteries or artery grafts 93930

An ultrasound of arm arteries or artery grafts involves using sound waves to create images of your arm's blood vessels. This helps evaluate blood flow and detect issues like blockages or narrowing. It's non-invasive, painless, and safe.

11 services11 patients

Hospital Affiliations CMS Care Compare

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

University Health System, Inc

Acute Care Hospitals · Knoxville, TN

3/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number440015

Location1924 Alcoa HighwayKnoxville, TN 37920 · Knox County

Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 37920 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

$81.53 typical visit price

range $52.64 – $160.89

Typical copayment $20.38 (range $13.16 – $40.22)

Most-billed visit code 99203

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.

Medicare Quality Performance CMS QPP · MIPS

Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.

95.69/100

MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program

Scored through an Alternative Payment Model

Quality

85.28

Promoting Interoperability

100

Improvement Activities

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 Lauren Grimsley's NPI number?

The NPI number for Lauren Grimsley is 1730560111. It was assigned to this individual provider in the NPPES registry on June 11, 2015. The provider is also known as Lauren Benner.

Where is Lauren Grimsley located?

Lauren Grimsley practices at 1920 Alcoa Hwy Ste E120, Knoxville, TN 37920. The listed phone number is (865) 305-8040.

What is Lauren Grimsley's specialty?

The primary specialty registered for this NPI is Surgery, specializing in Vascular Surgery, with taxonomy code 2086S0129X.

Is Lauren Grimsley enrolled in Medicare?

Yes. Lauren Grimsley 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 Lauren Grimsley's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Lauren Grimsley reassigns Medicare benefits to University Health System, Inc (Knoxville, 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 Lauren Grimsley's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Lauren Grimsley accept?

Health plans from BlueCross BlueShield of Tennessee, Cigna Healthcare, Oscar Insurance Company and UnitedHealthcare list Lauren Grimsley 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 Lauren Grimsley affiliated with any hospitals?

According to CMS data, Lauren Grimsley is affiliated with University Health System, Inc.

When was this NPI record last updated?

The NPPES record for Lauren Grimsley was last updated on November 17, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 11 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.