DR. JOHN GREGORY MARKLEY M.D.
NPI 1932190980
Thoracic Surgery (Cardiothoracic Vascular Surgery) in Columbia, MO

Active since October 31, 2005PECOS EnrolledAccepts Medicare Assignment
100/100
CMS Quality Rating
ONE HOSPITAL DR, COLUMBIA, MO 65212(573) 882-6955(573) 884-0437 Get Directions Write a Review

NPPES record last updated: March 29, 2018. Verified against the NPPES registry weekly; last sync: July 26, 2026.

Record update history: Mar 29, 2018, Nov 25, 2016 (2 updates tracked since 2016).

About Dr. John Gregory Markley M.d. NPPES

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

DR. JOHN GREGORY MARKLEY M.D. (NPI 1932190980) is an individual thoracic surgery (cardiothoracic vascular surgery) provider in Columbia, Missouri, licensed in Missouri (2002023140) and active in the NPI registry since October 2005. He is enrolled in Medicare PECOS, is affiliated with University Of Missouri Health Care, and is a graduate of Medical College Of Wisconsin (1992).

NPPES Registry Identity

NPI1932190980
Entity TypeIndividualMale
Primary Taxonomy208G00000X
Provider Legal NameDR. JOHN GREGORY MARKLEYCredential: M.D.
Location AddressONE HOSPITAL DRColumbia, MO 65212-0001
Mailing AddressPo Box 843966Kansas City, MO 64184-3966 · (573) 884-3300 · Fax (573) 884-0973
Fax(573) 884-0437
Sole ProprietorYes
Medical School CMSMedical College Of WisconsinGraduated 1992
Enumeration DateOctober 31, 2005
Last NPPES UpdateMarch 29, 20182 updates tracked since enumeration
NPI 1932190980 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

Primary SpecialtyThoracic Surgery (Cardiothoracic Vascular Surgery)Allopathic & Osteopathic Physicians
Taxonomy Code208G00000X
License Licensed in MO · 2002023140
Definition
A thoracic surgeon provides the operative, perioperative and critical care of patients with pathologic conditions within the chest. Included is the surgical care of coronary artery disease, cancers of the lung, esophagus and chest wall, abnormalities of the trachea, abnormalities of the great vessels and heart valves, congenital anomalies, tumors of the mediastinum and diseases of the diaphragm. The management of the airway and injuries of the chest is within the scope of the specialty.
Also ListedSurgeryTaxonomy 208600000X · License G85299 (CA), 34541-020 (WI)
ONE HOSPITAL DR, Columbia, MO 65212

Other Identifiers 3

OtherP00466151MO · Railroad Medicare
Other060071382MO · Railroad Medicare
Medicaid206064404MO

Accepted Insurance

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

Enrolled in Medicare and accepts Medicare assignment

Dr. John Gregory Markley 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 ID9830297464
PECOS Enrollment IDI20070606000101
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.

Areas of Expertise CMS Part B claims 5

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.

Replacement of aortic valve through the skin and femoral artery 33361
This procedure, known as Transcatheter Aortic Valve Replacement (TAVR), involves replacing a damaged aortic valve through a small incision in the leg. A catheter is inserted into the femoral artery and guided up to the heart. The new valve is then positioned and deployed, restoring normal blood flow.
32 services32 patients
Repair of mitral valve through the skin, initial prosthesis 33418
This procedure, known as Transcatheter Mitral Valve Repair (TMVR), involves a small tube inserted through your skin into a blood vessel. A device is then guided to your heart to repair the mitral valve, using an initial prosthesis. This is a less invasive alternative to open-heart surgery.
16 services16 patients
Harvest of vein using an endoscope 33508
Harvesting a vein using an endoscope is a procedure where a small camera is used to help surgeons remove a vein from your body. This vein is often used to bypass a blocked artery, improving blood flow to your heart.
12 services12 patients
Coronary artery bypass using artery graft, 1 graft 33533
A coronary artery bypass with one artery graft is a surgical procedure to improve blood flow to your heart. An artery from another part of your body is used to bypass a blocked or narrowed coronary artery. This can help reduce chest pain and risk of heart attack.
11 services11 patients
Insertion of non-tunneled central venous tube for infusion (5 years or older) 36556
This procedure involves placing a thin tube into a large vein, usually in the neck or chest, to administer medication or fluids. It's done under local anesthesia to minimize discomfort. It's a standard, safe procedure for individuals aged 5 and above.
11 services11 patients

Hospital Affiliations CMS Care Compare 2

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

University Of Missouri Health Care

Acute Care Hospitals · Columbia, MO
2/5 CMS rating
OwnershipGovernment - State
CMS Certification Number260141
LocationOne Hospital DriveColumbia, MO 65212 · Boone County
Emergency services Birthing friendly

Lake Regional Health System

Acute Care Hospitals · Osage Beach, MO
3/5 CMS rating
OwnershipVoluntary non-profit - Other
CMS Certification Number260186
Location54 Hospital DriveOsage Beach, MO 65065 · Camden County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 65212 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
$161.24 typical visit price
range $52.28 – $161.24
Typical copayment $40.31 (range $13.07 – $40.31)
Most-billed visit code 99205
Established Patient
$65.71 typical visit price
range $16.30 – $131.05
Typical copayment $16.42 (range $4.07 – $32.76)
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.

100/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored as part of a group practice
Promoting Interoperability100
Improvement Activities40

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.

Nurse Anesthetist, Certified Registered
ONE HOSPITAL DR
COLUMBIA, MO 65212
Anesthesiology
ONE HOSPITAL DR
COLUMBIA, MO 65212
Nurse Practitioner (Family)
ONE HOSPITAL DR
COLUMBIA, MO 65212
Nurse Practitioner (Family)
ONE HOSPITAL DR
COLUMBIA, MO 65212
Internal Medicine (Gastroenterology)
ONE HOSPITAL DR
COLUMBIA, MO 65212
Nurse Anesthetist, Certified Registered
ONE HOSPITAL DR
COLUMBIA, MO 65212
Specialist (Research Study)
ONE HOSPITAL DR
COLUMBIA, MO 65212
Hospitalist
ONE HOSPITAL DR
COLUMBIA, MO 65212

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 John Markley's NPI number?

The NPI number for John Markley is 1932190980. It was assigned to this individual provider in the NPPES registry on October 31, 2005.

Where is John Markley located?

John Markley practices at One Hospital Dr, Columbia, MO 65212. The listed phone number is (573) 882-6955.

What is John Markley's specialty?

The primary specialty registered for this NPI is Thoracic Surgery (Cardiothoracic Vascular Surgery) with taxonomy code 208G00000X.

Is John Markley enrolled in Medicare?

Yes. John Markley 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.

What insurance does John Markley accept?

Health plans from Anthem Blue Cross and Blue Shield and Medica list John Markley 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 John Markley affiliated with any hospitals?

According to CMS data, John Markley is affiliated with University Of Missouri Health Care and Lake Regional Health System.

When was this NPI record last updated?

The NPPES record for John Markley was last updated on March 29, 2018. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 8 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.