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Edit this profileAt a glance
- 1924 Alcoa Hwy # U-11, Knoxville, TN 37920
About Dr. Gregory
Based in Knoxville, TN, Lynellen Gregory, MD is listed in the NPI registry under vascular surgery. Lynellen graduated from Virginia Commonwealth University, School of Medicine in 2015. Medicare claims data shows Lynellen provided 7,764 services to 1,318 patients. The services billed most often include low osmolar contrast material, 300-399 mg/ml iodine concentration, per ml, use of a drug to induce depression of consciousness by physician performing a procedure, each additional 15 minutes, and established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more. NPI 1124409461 identifies this record in the national registry.
Factual summary compiled by Guide.md from public records; not written by this provider.
Education & Training
Specialty
Credentials & Licensing
Medicare information
Exactly as CMS reports it (National Downloadable File, Opt-Out Affidavits, Order & Referring). Not an insurance directory; confirm coverage with the office.
Contact Information
- (865) 305-9230
- Email not available
Practice Locations
1924 ALCOA HWY # U-11
Knoxville, TN 37920
Conditions Commonly Evaluated or Treated
Within Vascular Surgery generally. Availability varies by clinician, training and location — this profile has not been claimed, so nothing here is a personal claim by the provider.
Conditions
Most searched conditions
Aneurysms
Aortic disease
Artery conditions
Artery disease
- Cold Sensitive Fingers and Toes
- Fibromuscular Dysplasia
- Mesenteric ischemia
- Narrow kidney artery
- Subclavian Steal Syndrome
Artery inflammation
Blood clots
Congenital vascular disorders
Dialysis
Digestive & abdominal
Emergencies
Foot & toe conditions
Leg & foot pain
Nerve & vessel compression
Skin & vein conditions
Vascular malformations
Vascular tumors
Vein conditions
Vein disease
Wounds & sores
Wounds & ulcers
Procedures & services
Most searched procedures
- Bypass surgery
- Carotid endarterectomy
- Sclerotherapy
- Spider vein removal
- Varicose vein treatment
- Vein ablation
Amputation surgery
Aneurysm repair
- Complex Branched Aortic Aneurysm Repair
- Minimally Invasive Aneurysm Repair
- Open Aortic Aneurysm Surgery
- Popliteal Aneurysm Repair
- Pseudoaneurysm Injection Repair
- Thoracic Endovascular Aortic Repair
- Visceral Aneurysm Coiling
Artery procedures
- Atherectomy
- Balloon Angioplasty for Legs
- Carotid Artery Stent
- Leg Artery Stent
- Limb Salvage Surgery
- Mesenteric Artery Stenting
- Renal artery stenting
- Transcarotid Artery Revascularization
Artery surgery
Blood clot treatments
Blood clots
- Blood Clot Removal Surgery
- Catheter Clot Dissolving Treatment
- IVC Filter Placement
- IVC Filter Removal
Diagnostic procedures
Diagnostic tests
Dialysis access
Emergency surgery
Imaging & diagnostics
- Carotid Ultrasound
- Leg Circulation Test (ABI and Arterial Doppler)
- Leg Vein Ultrasound
- Peripheral Angiogram
Nerve & vessel compression
Nerve surgery
Vascular access
- Chemo port placement
- Chemo port removal
- Dialysis Catheter Removal
- Tunneled Dialysis Catheter Placement
Vascular malformation treatments
Vein procedures
Vein treatments
Wound care
Procedures Most Often Billed to Medicare
7,764 services · 1,318 patients · 25 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Ultrasound evaluation of blood vessel with review by radiologist, each additional vessel | Procedure | 37253 |
104 | More often than most peers in Vascular Surgery |
| Insertion of needle into vein for collection of blood sample | Procedure | 36415 |
77 | More often than most peers in Vascular Surgery |
| Ultrasound evaluation of blood vessel with review by radiologist, initial vessel | Procedure | 37252 |
36 | As often as other peers in Vascular Surgery |
| Removal of plaque in arteries of leg | Procedure | 37225 |
31 | More often than most peers in Vascular Surgery |
| Removal of plaque in artery of leg, initial vessel | Procedure | 37229 |
25 | As often as other peers in Vascular Surgery |
| Removal of plaque and insertion of stents in arteries of leg | Procedure | 37227 |
15 | Less often than most peers in Vascular Surgery |
| Review by radiologist of additional artery image | Imaging | 75774 |
146 | More than most peers in Vascular Surgery |
| Ultrasonic guidance for blood vessel access | Imaging | 76937 |
80 | More often than most peers in Vascular Surgery |
| Review by radiologist of arm or leg artery image | Imaging | 75710 |
69 | More than most peers in Vascular Surgery |
| Review by radiologist of abdominal aorta image | Imaging | 75625 |
49 | More often than most peers in Vascular Surgery |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Related providers
Connections drawn from the registry and from what providers have told us. A link here is not a referral or an endorsement.
Also at this address 4
Providers at the same street address. Each files their own registry entry, so a shared practice often appears under several different names.
Other vascular surgeons in Knoxville 8
Same specialty, same city.
Trained at Virginia Commonwealth University, School of Medicine 8
Other providers in the same specialty who trained at the same institution.
More connections — 14 related providers in 2 groups
Class of 2015 at Virginia Commonwealth University, School of Medicine 8
Providers who graduated from the same medical school in the same year.
Also performs Ultrasound evaluation of blood vessel with review by radiologist, each additional vessel 6
Providers in TN who bill this service to Medicare most often.
Common questions
What kind of doctor is Dr. Gregory?
Dr. Gregory is a vascular surgeon in Knoxville, TN. That is the designation recorded for this NPI in the federal registry, where it is listed as “Vascular Surgery”.
NPI registry
What is Dr. Gregory's address?
Dr. Gregory is listed at 1924 Alcoa Hwy # U-11, Knoxville, TN 37920. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How can I make an appointment with Dr. Gregory?
The number on file is (865) 305-9230. Contact the office directly to confirm availability and scheduling.
NPI registry
What is the NPI for Dr. Gregory?
Dr. Gregory's National Provider Identifier is 1124409461. It is issued by the Centers for Medicare & Medicaid Services and is unique and permanent — it does not change if they move practice.
NPI registry
Where did Dr. Gregory train?
Dr. Gregory attended Virginia Commonwealth University, School of Medicine, graduating in 2015. This comes from the CMS National Downloadable File.
CMS public data
How much experience does Dr. Gregory have?
Dr. Gregory has 11 years experience. Calculated from a graduation year of 2015, reported in the CMS National Downloadable File.
CMS public data
What procedures does Dr. Gregory perform?
According to Medicare billing data, Dr. Gregory performs procedures including ultrasound evaluation of blood vessel with review by radiologist, each additional vessel, insertion of needle into vein for collection of blood sample and ultrasound evaluation of blood vessel with review by radiologist, initial vessel; reads or performs imaging such as review by radiologist of additional artery image and ultrasonic guidance for blood vessel access; provides treatments such as use of a drug to induce depression of consciousness by physician performing a procedure, each additional 15 minutes and ultrasound study of arm and leg arteries, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Is Dr. Gregory's profile verified?
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Gregory. If this is you, claiming it is free.
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