JOHN DRIVER CROCKER MD
NPI 1598732299
Radiology - Diagnostic Radiology in Jackson, TN

Q: What is John Crocker's NPI number?

The NPI number for John Crocker is 1598732299. It was assigned to this individual provider in the NPPES registry on March 2, 2006.

Q: What is John Crocker's specialty?

The primary specialty registered for this NPI is Radiology, specializing in Diagnostic Radiology, with taxonomy code 2085R0202X.

Q: When was this NPI record last updated?

The NPPES record for John Crocker was last updated on April 25, 2017. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 9 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 02, 2006PECOS EnrolledAccepts Medicare Assignment

84.05/100

CMS Quality Rating

620 SKYLINE DRIVE, JACKSON, TN 38301(731) 541-6174 Get Directions Write a Review

NPPES record last updated: April 25, 2017. Verified against the NPPES registry weekly; last sync: October 25, 2026.

On this page

About John Driver Crocker Md NPPES

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

JOHN DRIVER CROCKER MD (NPI 1598732299) is an individual diagnostic radiology provider in Jackson, Tennessee, licensed in Tennessee (36030) and active in the NPI registry since March 2006. He is enrolled in Medicare PECOS, is affiliated with Jackson-madison County General Hospital, and is a graduate of University Of Tennessee, Hsc, College Of Medicine (1991).

NPPES Registry Identity

NPI1598732299

Entity TypeIndividualMale

Primary Taxonomy2085R0202X

Provider Legal NameJOHN DRIVER CROCKERCredential: MD

Location Address620 SKYLINE DRIVEJackson, TN 38301-3901

Mailing AddressPo Box 11955Jackson, TN 38308-0132 · (731) 541-5000 · Fax (614) 210-1886

Phone(731) 541-6174

Sole ProprietorNo

Medical School CMSUniversity Of Tennessee, Hsc, College Of MedicineGraduated 1991

Enumeration DateMarch 2, 2006

Last NPPES UpdateApril 25, 2017

✔ NPI 1598732299 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyRadiology · Diagnostic RadiologyAllopathic & Osteopathic Physicians

Taxonomy Code2085R0202X

License✔ Licensed in TN · 36030

Definition

A radiologist who utilizes x-ray, radionuclides, ultrasound and electromagnetic radiation to diagnose and treat disease.

620 SKYLINE DRIVE, Jackson, TN 38301

Open in Google Maps ↗

Other Identifiers 10

Other4102197Bcbs

Medicaid3873155TN

Medicaid3873150TN

Other4035598Bcbs

Medicare PIN3873151TN

Medicare UPINF45713TN

Medicaid3873151TN

Medicare PIN3873155TN

Medicare PIN3873150TN

Other300130584Rr Medicare

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Cigna Healthcare.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

John Driver Crocker 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 ID1951294537

PECOS Enrollment IDI20040206000200

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 Reassignments

Medicare enrollment records show John Crocker reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Jackson Madison County General Hospital

Same address

Diagnostic Radiology

620 SKYLINE DR
Jackson, TN 38301

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

NPI 1891687208 (731) 541-5000

Jackson Radiology Associates PA

3.0 mi

Diagnostic Radiology

31 SANDSTONE CIR
Jackson, TN 38305

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

NPI 1699700716 (731) 240-1747

Jackson Clinic PA

4.1 mi

Internal Medicine

2863 HIGHWAY 45 BYP
Jackson, TN 38305

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

NPI 1285629386 (731) 664-1375

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 64

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.

X-ray of chest, 1 view 71045

A chest X-ray, 1 view, is a quick, painless test that produces images of the structures within your chest, such as your heart, lungs, and blood vessels. It helps in diagnosing conditions like pneumonia, heart problems, or lung cancer. You'll stand in front of a machine that emits X-rays, which pass through your body to create the image.

606 services553 patients

Ct scan of blood vessels of chest with contrast 71275

A CT scan of the chest with contrast is a non-invasive imaging test. It uses X-rays and a special dye to get detailed images of your blood vessels in the chest. This helps in diagnosing conditions related to heart and lungs.

202 services199 patients

Use of a drug to induce depression of consciousness by physician performing a procedure (5 years or older), initial 15 minutes 99152

This procedure involves a doctor administering a medication to reduce your consciousness during a procedure. This helps in managing discomfort and anxiety. The initial application lasts for 15 minutes and is for individuals aged 5 years or older.

179 services166 patients

Ct scan of blood vessels and grafts of heart with contrast 75574

A CT scan of the heart's blood vessels and grafts with contrast is a diagnostic test. A special dye (contrast) is injected into your veins, which helps create clear images of your heart's vessels and grafts. This helps doctors detect blockages or other abnormalities.

80 services79 patients

Ct scan of abdomen and pelvis with contrast 74177

A CT scan of the abdomen and pelvis with contrast is an imaging procedure. A special dye, called contrast, is used to make certain areas more visible. This can help identify issues such as infections, tumors, or other abnormalities. The procedure is painless and usually takes about 30 minutes.

78 services78 patients

Ct scan of blood vessels and grafts of heart with contrast 75574

74 services74 patients

Ct scan of abdominal aorta and both leg arteries with contrast 75635

A CT scan of the abdominal aorta and both leg arteries with contrast is a medical imaging procedure. A special dye is injected to make your blood vessels visible on the scan. This helps to check for any blockages or abnormalities in these areas.

74 services74 patients

Ct scan head or brain without contrast 70450

A CT scan of the head or brain without contrast is a non-invasive imaging procedure. It uses X-rays to create detailed pictures of your brain, skull, and other structures inside your head. It helps to detect conditions like strokes, tumors, or injuries. No dye (contrast) is used in this test.

58 services58 patients

Ct scan of blood vessels of neck with contrast 70498

A CT scan of the neck's blood vessels with contrast is a diagnostic procedure. It uses X-rays and a special dye to create detailed images of your neck's blood vessels. This helps doctors detect issues such as blockages or abnormalities.

58 services58 patients

X-ray of chest, 2 views 71046

A chest X-ray, 2 views, is a quick, painless test that creates pictures of the structures inside your chest, such as your heart, lungs, and blood vessels. Two different angles are used to get a comprehensive view. This helps in diagnosing conditions like pneumonia, heart problems, or lung cancer.

56 services56 patients

X-ray of abdomen, 1 view 74018

An X-ray of the abdomen, 1 view, is a quick and painless imaging test. It uses a small amount of radiation to produce images of the structures in your abdomen, such as the stomach, liver, and intestines. This can help identify issues like blockages, infections, or injuries.

50 services49 patients

Ct scan of abdominal aorta and both leg arteries with contrast 75635

49 services49 patients

Ct scan of blood vessels of abdomen and pelvis with contrast 74174

A CT scan of the abdomen and pelvis with contrast is a medical imaging procedure. A special dye, called contrast, is used to make blood vessels more visible. The scan produces detailed images of your abdomen and pelvis, helping doctors to diagnose conditions or plan treatments.

48 services48 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.

48 services45 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.

47 services47 patients

Drainage of fluid from abdominal cavity using imaging guidance 49083

This procedure involves removing excess fluid from your abdominal cavity, which can relieve discomfort. A specialist uses imaging technology to guide a thin needle into the right spot. The fluid is then drained out safely.

46 services29 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.

46 services45 patients

X-ray of chest, 2 views 71046

45 services44 patients

Ct scan of blood vessels of head with contrast 70496

A CT scan of the head's blood vessels with contrast is a diagnostic procedure. A special dye (contrast) is injected into your body to make the blood vessels visible on the scan. This helps identify issues like blockages or abnormalities in your head's blood vessels.

44 services44 patients

Ct scan of blood vessels of chest with contrast 71275

41 services41 patients

X-ray of chest, 1 view 71045

40 services39 patients

Review by radiologist of ct guidance for needle placement 77012

This process involves a radiologist examining CT scan images to accurately guide a needle's placement within the body. This technique is often used for biopsies or treatments, ensuring precision and safety.

40 services40 patients

Insertion of stomach tube using fluoroscopic guidance with contrast 49440

This is a procedure where a tube is inserted into your stomach to assist with digestion or removal of substances. It's done under fluoroscopic guidance, a type of imaging that allows real-time viewing. Contrast dye is used to enhance the visibility of structures.

32 services32 patients

Aspiration of fluid from chest cavity using imaging guidance 32555

This procedure, known as a thoracentesis, involves removing fluid from the space between the lungs and chest wall, called the pleural space. It's performed under imaging guidance to ensure precision. It can help diagnose conditions or relieve symptoms like shortness of breath.

31 services28 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.

31 services31 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.

31 services31 patients

Ct scan of blood vessels of neck with contrast 70498

30 services30 patients

Ultrasonic guidance for needle placement 76942

Ultrasonic guidance for needle placement is a technique where sound waves create images that help accurately position the needle during procedures. This method ensures precision, minimizes discomfort, and increases safety.

30 services30 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.

29 services28 patients

Ct scan of blood vessels of head with contrast 70496

28 services28 patients

Ct scan of chest without contrast 71250

A CT scan of the chest without contrast is a non-invasive imaging procedure. It uses special X-ray equipment to produce detailed images of your chest area, including your lungs and heart. It can help diagnose conditions such as lung diseases or heart disorders. It doesn't involve any dyes or contrast agents.

28 services28 patients

Ct scan of abdomen and pelvis without contrast 74176

A CT scan of the abdomen and pelvis is a non-invasive medical test. It uses special X-ray equipment to create detailed images of your abdominal and pelvic areas. This helps doctors examine organs, tissues, and vessels. No contrast dye is used in this procedure.

27 services27 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.

27 services27 patients

Ct scan of chest with contrast 71260

A CT scan of the chest with contrast is an imaging procedure. A special dye (contrast) is used to highlight specific areas in your body, providing clearer pictures of your chest. This helps in diagnosing conditions related to your lungs, heart, and other chest structures.

24 services24 patients

Fluoroscopic guidance for needle placement 77002

Fluoroscopic guidance for needle placement is a medical procedure that uses a special X-ray technology to help accurately place a needle in the body. It's often used in biopsies, injections or other treatments to ensure precision and safety.

24 services24 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.

24 services22 patients

Removal of tunneled central venous tube 36589

A tunneled central venous tube removal is a procedure to take out a long, thin tube that was previously placed in a large vein in your body. This tube helps deliver medication or nutrition. The removal is usually quick and done under local anesthesia.

23 services22 patients

Treatment of broken lower spine bone with placement of stabilizing device 22514

This procedure involves fixing a broken bone in the lower spine. A stabilizing device is inserted to support the bone, promoting healing and reducing pain. The device helps to maintain proper spinal alignment and stability during your recovery period.

22 services21 patients

Insertion of tube into artery of lobe of lung 36015

This procedure involves placing a tube into an artery in a lobe of your lung. It's typically done to diagnose or treat lung conditions. A specialist inserts the tube, often using imaging for guidance. You may feel slight discomfort, but it's generally safe.

21 services12 patients

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

21 services21 patients

Aspiration and/or injection of fluid from large joint 20610

This procedure involves using a needle to remove (aspiration) or introduce (injection) fluid into a large joint like the knee or hip. It can help diagnose conditions, relieve discomfort, or deliver medication directly to the joint.

20 services20 patients

Primary removal and dissolving of blood clot from artery or artery graft using fluoroscopic guidance, initial vessel 37184

This procedure involves the removal of a blood clot from an artery or artery graft. A special imaging technique called fluoroscopy is used to guide the process. This is the initial treatment for the first vessel involved. It helps restore normal blood flow.

20 services17 patients

Replacement of tunneled central venous tube 36581

A tunneled central venous tube replacement is a procedure where an existing tube, used to deliver medication or nutrition directly to a large vein, is replaced. This is done under local anesthesia and involves inserting a new tube through a small incision.

19 services19 patients

Biopsy and aspiration of bone marrow sample for diagnosis 38222

A bone marrow biopsy and aspiration is a procedure where a small amount of bone marrow is removed for testing. It involves inserting a needle into a bone, typically the hip, to collect a sample. It can help diagnose various diseases and monitor treatment effectiveness.

19 services19 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.

18 services18 patients

Needle biopsy of liver through skin 47000

A needle biopsy of the liver through skin is a procedure where a small tissue sample from your liver is collected using a thin needle. This is done to diagnose liver diseases or conditions. It involves inserting the needle through your skin and into your liver.

17 services16 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.

16 services15 patients

Use of a drug to induce depression of consciousness by physician performing a procedure (5 years or older), initial 15 minutes 99152

16 services16 patients

Injection of anesthetic and/or steroid drug into sacral spine nerve root using imaging guidance, single level 64483

This procedure involves injecting a mix of numbing and anti-inflammatory medication into a specific nerve root in the lower back. It helps manage pain and reduce inflammation. The process is guided by imaging technology for precision.

15 services14 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.

15 services13 patients

Insertion of vena cava filter with review by radiologist 37191

A vena cava filter is a small device placed in your body's largest vein to prevent blood clots from reaching your lungs. A radiologist reviews the procedure to ensure its success and your safety.

14 services14 patients

Insertion of tube into gallbladder using imaging guidance with review by radiologist 47490

This procedure involves placing a tube into your gallbladder using imaging technology, which helps visualize the area. A radiologist, a doctor specializing in medical imaging, will review the process to ensure accuracy and safety.

14 services13 patients

Ct scan of abdomen before and after contrast 74170

A CT scan of the abdomen before and after contrast is a diagnostic procedure. It involves taking detailed images of your abdomen area. Initially, images are taken without a contrast agent. Then, a contrast dye is given to highlight specific areas inside your body, helping to provide clearer images for better diagnosis.

14 services13 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.

13 services13 patients

Ct scan of chest without contrast 71250

13 services13 patients

Limited ultrasound scan of abdomen 76705

A limited ultrasound scan of the abdomen is a non-invasive imaging test. It uses sound waves to produce images of the abdominal organs such as the liver, gallbladder, spleen, pancreas, and kidneys. This helps to identify any abnormalities or issues.

13 services13 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.

13 services13 patients

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

13 services13 patients

Fine needle aspiration biopsy using ultrasound guidance, first growth 10005

Fine needle aspiration biopsy with ultrasound guidance is a procedure where a thin needle is inserted into a growth to extract a small sample. Ultrasound helps accurately locate the growth. This sample is then analyzed to determine the nature of the growth.

12 services12 patients

Ultrasound of both sides of head and neck blood flow 93880

12 services12 patients

Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more 99215

This service involves a follow-up appointment for existing patients, lasting between 40 to 54 minutes. During this time, your healthcare provider will assess your current health status, discuss any changes or concerns, review your treatment plan, and answer any questions you may have.

12 services12 patients

Needle biopsy of muscle 20206

A needle biopsy of muscle is a procedure where a small sample of muscle tissue is collected using a needle. This sample is then examined under a microscope to identify any abnormalities or diseases. The process is generally quick and minimally invasive.

11 services11 patients

Insertion of central venous tube with port (5 years or older) 36561

A central venous tube with port is a small, flexible tube inserted into a large vein, usually in the chest. It allows for easy administration of medication, fluids, or blood products over a long period. A port is attached under the skin for easy access. It's safe for individuals aged 5 and above.

11 services11 patients

Use of a drug to induce depression of consciousness by physician performing a procedure, each additional 15 minutes 99153

This service involves a physician administering medication to lower your consciousness during a procedure. It's done for your comfort and safety. The drug's effects last about 15 minutes, so additional doses may be given as needed.

11 services11 patients

Hospital Affiliations CMS Care Compare 5

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

Jackson-Madison County General Hospital

Acute Care Hospitals · Jackson, TN

3/5 CMS rating

OwnershipGovernment - Hospital District or Authority

CMS Certification Number440002

Location620 Skyline DriveJackson, TN 38301 · Madison County

Emergency services Birthing friendly

West Tennessee Healthcare Milan Hospital

Acute Care Hospitals · Milan, TN

OwnershipGovernment - Local

CMS Certification Number440060

Location4039 Highland StMilan, TN 38358 · Gibson County

Emergency services

Volunteer Community Hospital

Acute Care Hospitals · Martin, TN

4/5 CMS rating

OwnershipProprietary

CMS Certification Number440061

Location161 Mount Pelia RdMartin, TN 38237 · Weakley County

Emergency services Birthing friendly

Dyersburg Regional Medical Center

Acute Care Hospitals · Dyersburg, TN

3/5 CMS rating

OwnershipProprietary

CMS Certification Number440072

Location400 East Tickle StreetDyersburg, TN 38024 · Dyer County

Emergency services Birthing friendly

West Tennessee Healthcare Camden Hospital

Critical Access Hospitals · Camden, TN

OwnershipGovernment - Hospital District or Authority

CMS Certification Number441316

Location175 Hospital DriveCamden, TN 38320 · Benton County

Emergency services

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 38301 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.

84.05/100

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

Scored as part of a group practice

Quality

97.26

Improvement Activities

Cost

51.86

Reported Quality Measures

Prevention of Central Venous Catheter (CVC) - Related Bloodstream Infections

Percentage of patients, regardless of age, who undergo central venous catheter (CVC) insertion for whom CVC was inserted with all elements of maximal sterile barrier technique, hand hygiene, skin preparation and, if ultrasound is used, sterile ultrasound…

100%61 patients

Providers report different measures because they deliver different services; reporting more or less information is not a reflection of quality. Star ratings appear only where CMS assigned them.

Other Providers at the Same Location NPPES 16

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

TIMOTHY RAY CROSSETT MD

Radiology (Diagnostic Radiology)

620 SKYLINE DRIVE
JACKSON, TN 38301

Madison County (731) 541-6174

SELECT SPECIALTY HOSPITAL - WEST TENNESSEE, LLC

Long Term Care Hospital

620 SKYLINE DRIVE, 5TH AND 6TH FLOORS
JACKSON, TN 38301

Madison County (717) 972-1100

MRS. TWONIA MICHELLE GOYER FNP

Nurse Practitioner

620 SKYLINE DRIVE
JACKSON, TN 38301

Madison County (731) 541-6174

JACKSON MADISON COUNTY GENERAL HOSPITAL

Rehabilitation Unit

620 SKYLINE DRIVE
JACKSON, TN 38301

Madison County (731) 541-6930

DR. ALLEN L SCHLAMP M.D.

Radiology (Diagnostic Radiology)

620 SKYLINE DRIVE
JACKSON, TN 38301

Madison County (731) 660-8759

DR. JAMES LEE ELLIS JR. M.D.

Radiology (Diagnostic Radiology)

620 SKYLINE DRIVE
JACKSON, TN 38301

Madison County (731) 541-6174

JASON CLARK

Nurse Anesthetist, Certified Registered

620 SKYLINE DRIVE
JACKSON, TN 38301

Madison County (731) 541-7070

ANITA L WYNN C.R.N.A.

Nurse Anesthetist, Certified Registered

620 SKYLINE DRIVE
JACKSON, TN 38301

Madison County (731) 541-7070

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 Crocker's NPI number?

The NPI number for John Crocker is 1598732299. It was assigned to this individual provider in the NPPES registry on March 2, 2006.

Where is John Crocker located?

John Crocker practices at 620 Skyline Drive, Jackson, TN 38301. The listed phone number is (731) 541-6174.

What is John Crocker's specialty?

The primary specialty registered for this NPI is Radiology, specializing in Diagnostic Radiology, with taxonomy code 2085R0202X.

Is John Crocker enrolled in Medicare?

Yes. John Crocker 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 organizations bill Medicare for John Crocker's services?

According to the CMS Revalidation Reassignment List (October 2026 release), John Crocker reassigns Medicare benefits to 3 organizations: Jackson Madison County General Hospital (Jackson, TN), Jackson Radiology Associates PA (Jackson, TN) and Jackson Clinic PA (Jackson, TN). Each 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 John Crocker's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does John Crocker accept?

Health plans from Cigna Healthcare list John Crocker 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 Crocker affiliated with any hospitals?

According to CMS data, John Crocker is affiliated with Jackson-Madison County General Hospital, West Tennessee Healthcare Milan Hospital, Volunteer Community Hospital, Dyersburg Regional Medical Center and West Tennessee Healthcare Camden Hospital.

When was this NPI record last updated?

The NPPES record for John Crocker was last updated on April 25, 2017. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 9 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.