MICHAEL RYAN BUCKLEY M.D.
NPI 1801038716
Surgery - Vascular Surgery in Knoxville, TN

Q: What is Michael Buckley's NPI number?

The NPI number for Michael Buckley is 1801038716. It was assigned to this individual provider in the NPPES registry on March 24, 2009.

Q: What is Michael Buckley'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 Michael Buckley was last updated on June 23, 2016. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 10 years 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 March 24, 2009PECOS EnrolledAccepts Medicare Assignment

95.69/100

CMS Quality Rating

1940 ALCOA HWY, STE E120, KNOXVILLE, TN 37920(865) 305-8040(865) 305-8041 Get Directions Write a Review

NPPES record last updated: June 23, 2016. Verified against the NPPES registry weekly; last sync: October 25, 2026.

On this page

About Michael Ryan Buckley M.d. NPPES

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

MICHAEL RYAN BUCKLEY M.D. (NPI 1801038716) is an individual vascular surgery provider in Knoxville, Tennessee, licensed in Tennessee (51476) and active in the NPI registry since March 2009. He is enrolled in Medicare PECOS, is affiliated with Blount Memorial Hospital, and is a graduate of Other (2009).

NPPES Registry Identity

NPI1801038716

Entity TypeIndividualMale

Primary Taxonomy2086S0129X

Provider Legal NameMICHAEL RYAN BUCKLEYCredential: M.D.

Location Address1940 ALCOA HWY, STE E120Knoxville, TN 37920-2244

Mailing AddressPo Box 440265Nashville, TN 37244-0265 · (865) 670-6199 · Fax (865) 670-6198

Phone(865) 305-8040

Fax(865) 305-8041

Sole ProprietorNo

Medical School CMSOtherGraduated 2009

Enumeration DateMarch 24, 2009

Last NPPES UpdateJune 23, 2016

✔ NPI 1801038716 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 · 51476

Definition

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

1940 ALCOA HWY, Knoxville, TN 37920

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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

Michael Ryan Buckley M.d. 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 ID7214220433

PECOS Enrollment IDI20160726002236

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

University Health System, Inc

Same address

Internal Medicine

1940 ALCOA HWY, STE E180
Knoxville, TN 37920

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

NPI 1447589197 (865) 305-6810

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 32

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 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.

159 services132 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.

141 services140 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.

116 services113 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.

111 services108 patients

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.

100 services100 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.

83 services83 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.

58 services58 patients

Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 99232

Follow-up hospital inpatient care involves daily check-ups while you're admitted in the hospital. Typically, a healthcare provider spends about 25 minutes each day reviewing your condition, adjusting treatment if needed, and answering any questions you might have.

53 services23 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.

52 services51 patients

Removal of skin and tissue, 20.0 sq cm or less 11042

This procedure involves the surgical removal of skin and tissue, up to 20.0 square cm in size. It's often performed to treat conditions like skin cancer or to remove moles, warts, and other skin lesions. The area is numbed and the unwanted tissue is carefully cut out.

49 services18 patients

Ultrasound of both sides of head and neck blood flow 93880

48 services48 patients

Subsequent hospital care with straightforward or low level of medical decision making, per day, if using time, at least 25 minutes 99231

Follow-up hospital inpatient care is a daily service where a healthcare professional checks on your health progress during your hospital stay. Each session typically lasts 15 minutes, involving updates on your condition and adjustments to your treatment plan, if necessary.

45 services30 patients

Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 99222

Initial hospital inpatient care is a service where a healthcare provider spends about 50 minutes per day overseeing your care while you're admitted in the hospital. This includes reviewing your health status, planning your treatment, and ensuring your safety and comfort.

44 services44 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.

43 services40 patients

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.

40 services35 patients

Ultrasound study of arm and leg arteries 93922

38 services38 patients

Initial hospital care with straightforward or low level of medical decision making, per day, if using time, at least 40 minutes 99221

Initial hospital inpatient care refers to the first day of your stay in the hospital. This service typically includes a 30-minute check-up with a healthcare professional. They'll assess your health, discuss your condition, and plan your treatment. It's part of ensuring you receive the best possible care.

38 services37 patients

Ultrasound of leg arteries or artery grafts 93925

37 services37 patients

Insertion of needle and/or tube into hemodialysis circuit and balloon dilation of dialysis segment with review by radiologist 36902

This procedure involves inserting a needle or tube into your hemodialysis circuit, a system that cleans your blood when your kidneys can't. A balloon is then used to widen a narrow section of this circuit. A radiologist reviews the procedure to ensure accuracy.

30 services24 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.

28 services28 patients

Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more 99212

This is a routine check-up for patients who have previously seen the doctor. During this 10-19 minute visit, the doctor will review your health status, discuss any concerns, and manage ongoing treatments or medications. It's a chance to ensure your health is on track.

26 services11 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.

24 services21 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.

22 services21 patients

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

21 services16 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.

19 services18 patients

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

19 services19 patients

Insertion of tunneled central venous tube for infusion (5 years or older) 36558

The insertion of a tunneled central venous tube is a procedure where a thin, flexible tube is placed into a large vein, usually in the neck or chest. This tube allows healthcare providers to give medications, fluids, or nutrients directly into your bloodstream over a longer period.

18 services18 patients

Complete ultrasound of artery and vein blood flow pre-op assessment on both sides of body for hemodialysis access 93985

This procedure involves using ultrasound technology to examine the blood flow in your arteries and veins on both sides of your body. It's crucial for preparing for hemodialysis access, ensuring safe and effective treatment.

18 services18 patients

Review by radiologist of abdominal aorta image 75625

This is a procedure where a radiologist, a doctor specialized in medical imaging, examines an image of your abdominal aorta. The abdominal aorta is the large blood vessel that carries blood to your lower body. The radiologist checks for any abnormalities to ensure your overall vascular health.

17 services17 patients

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

16 services16 patients

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

15 services15 patients

Insertion of needle and/or tube into hemodialysis circuit with review by radiologist 36901

This procedure involves inserting a needle or tube into your hemodialysis circuit, which is part of the system that cleans your blood when your kidneys can't. A radiologist, a doctor specialized in imaging techniques, will review the process to ensure everything is correct.

12 services12 patients

Hospital Affiliations CMS Care Compare 3

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

Blount Memorial Hospital

Acute Care Hospitals · Maryville, TN

4/5 CMS rating

OwnershipGovernment - Local

CMS Certification Number440011

Location907 E Lamar Alexander ParkwayMaryville, TN 37804 · Blount County

Emergency services Birthing friendly

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

Physicians Regional Medical Center

Acute Care Hospitals · Powell, TN

2/5 CMS rating

OwnershipProprietary

CMS Certification Number440120

Location7565 Dannaher Way PowellPowell, TN 37849 · 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

Referred Medical Equipment & Supplies CMS DME claims 2

Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.

Tape, waterproof, per 18 square inches A4452

DME-Medical/Surgical Supplies · category DA000N

2 suppliers12 claims1,080 services$0.32 avg. paid by Medicare

Conforming bandage, non-elastic, knitted/woven, sterile, width greater than or equal to three inches and less than five inches, per yard A6446

DME-Medical/Surgical Supplies · category DA023N

2 suppliers12 claims1,584 services$0.37 avg. paid by Medicare

Dollar amounts are the average Medicare paid the supplier per service. They are not the cost to the patient.

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.

MRS. PATRICIA M HUDDLESTON NP

Nurse Practitioner (Family)

1940 ALCOA HWY, STE 180
KNOXVILLE, TN 37920

Knox County (865) 305-6955

DR. MONA ANNE DASGUPTA DO

Student in an Organized Health Care Education/Training Program

1940 ALCOA HWY
KNOXVILLE, TN 37920

Knox County (865) 524-7471

KNOXVILLE OMNICARE PLLC

Family Medicine

1940 ALCOA HWY, E40
KNOXVILLE, TN 37920

Knox County (865) 588-1605

RAYMOND A DIETER III MD

Thoracic Surgery (Cardiothoracic Vascular Surgery)

1940 ALCOA HWY, SUITE E310
KNOXVILLE, TN 37920

Knox County (865) 305-6955

ANNA H MOORE APRN, BC

Nurse Practitioner (Family)

1940 ALCOA HWY, SUITE E310
KNOXVILLE, TN 37920

Knox County (865) 544-2800

DR. MICHAEL MORGAN MCNALLY

Surgery (Vascular Surgery)

1940 ALCOA HWY, E120
KNOXVILLE, TN 37920

Knox County (865) 305-8040

UHS CARDIOLOGY GROUP, LLC

Internal Medicine (Cardiovascular Disease)

1940 ALCOA HWY, STE 310
KNOXVILLE, TN 37920

Knox County (865) 544-2800

MS. LISA A DUGGER NP

Nurse Practitioner (Family)

1940 ALCOA HWY, SUITE E-310
KNOXVILLE, TN 37920

Knox County (865) 544-2800

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 Michael Buckley's NPI number?

The NPI number for Michael Buckley is 1801038716. It was assigned to this individual provider in the NPPES registry on March 24, 2009.

Where is Michael Buckley located?

Michael Buckley practices at 1940 Alcoa Hwy Ste E120, Knoxville, TN 37920. The listed phone number is (865) 305-8040.

What is Michael Buckley's specialty?

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

Is Michael Buckley enrolled in Medicare?

Yes. Michael Buckley 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 Michael Buckley's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Michael Buckley 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 Michael Buckley's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Michael Buckley accept?

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

According to CMS data, Michael Buckley is affiliated with Blount Memorial Hospital, University Health System, Inc and Physicians Regional Medical Center.

When was this NPI record last updated?

The NPPES record for Michael Buckley was last updated on June 23, 2016. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 10 years 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.