DR. DEREK PAUL DE GRIJS M.D.
NPI 1275893638
Surgery - Vascular Surgery in Franklin, TN

Q: What is Derek De Grijs's NPI number?

The NPI number for Derek De Grijs is 1275893638. It was assigned to this individual provider in the NPPES registry on May 20, 2012.

Q: What is Derek De Grijs'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 Derek De Grijs was last updated on November 12, 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 May 20, 2012PECOS EnrolledAccepts Medicare Assignment

4601 CAROTHERS PKWY STE 375, FRANKLIN, TN 37067(615) 791-4790 Get Directions Write a Review

NPPES record last updated: November 12, 2025. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Nov 12, 2025, Apr 12, 2023, Jul 9, 2019 and 1 more (4 updates tracked since 2017).

On this page

About Dr. Derek Paul De Grijs M.d. NPPES

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

DR. DEREK PAUL DE GRIJS M.D. (NPI 1275893638) is an individual vascular surgery provider in Franklin, Tennessee, licensed in Mississippi (26892) and active in the NPI registry since May 2012. He is enrolled in Medicare PECOS, is affiliated with Williamson Medical Center, and maintains 2 additional practice locations.

NPPES Registry Identity

NPI1275893638

Entity TypeIndividualMale

Primary Taxonomy2086S0129X

Provider Legal NameDR. DEREK PAUL DE GRIJSCredential: M.D.

Location Address4601 CAROTHERS PKWY STE 375Franklin, TN 37067-6000

Mailing Address3024 Business Park CirGoodlettsville, TN 37072-3132 · (615) 239-2018

Phone(615) 791-4790

Sole ProprietorYes

Medical School CMSUniversity Of Tennessee, Hsc, College Of MedicineGraduated 2008

Enumeration DateMay 20, 2012

Last NPPES UpdateNovember 12, 20254 updates tracked since enumeration

NPPES CertifiedNovember 12, 2025

✔ NPI 1275893638 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 MS · 26892

Definition

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

4601 CAROTHERS PKWY STE 375, Franklin, TN 37067

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Secondary Practice Locations 2

Location 1808 Hatcher LnColumbia, TN 38401-3524 · Phone (931) 388-6256

Location 24323 Carothers Pkwy Ste 300Franklin, TN 37067-5917 · Phone (615) 791-8888

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Ambetter from Arkansas Health & Wellness, Ambetter Health, Ambetter of Alabama 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

Dr. Derek Paul De Grijs 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 ID8224274931

PECOS Enrollment IDI20200514000102

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 Derek De Grijs reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Advanced Diagnostic Imaging, PC

29 mi

Internal Medicine

3024 BUSINESS PARK CIR
Goodlettsville, TN 37072

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

NPI 1093741464 (615) 239-2061

Advanced Specialists, PC

29 mi

Internal Medicine

3024 BUSINESS PARK CIR
Goodlettsville, TN 37072

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

NPI 1649133463 (615) 239-2018

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 18

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 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.

296 services209 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.

133 services97 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.

118 services84 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.

107 services107 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.

80 services76 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.

75 services64 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.

67 services56 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.

46 services35 patients

Destruction of first incompetent vein of arm or leg using radiofrequency and imaging guidance 36475

This procedure involves using radiofrequency energy, a type of heat energy, to close off an unhealthy vein in your arm or leg. Imaging guidance helps ensure precise targeting of the vein. This helps improve blood flow by rerouting it through healthier veins.

43 services33 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.

35 services27 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.

32 services24 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.

22 services21 patients

Injection of chemical agent into single incompetent vein of leg using ultrasound guidance 36465

This procedure involves injecting a chemical agent into a non-functioning vein in your leg. Ultrasound technology is used to accurately locate the vein. The chemical helps to close off the vein, rerouting blood flow to healthier veins.

21 services19 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.

21 services21 patients

Review by radiologist of arm or leg artery image 75710

This procedure involves a radiologist examining images of your arm or leg arteries. These images are obtained through a non-invasive method, like an ultrasound or CT scan. The radiologist reviews these images to identify any abnormalities, such as blockages or narrowing, which can affect blood flow.

20 services17 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 services16 patients

Ultrasonic guidance for blood vessel access 76937

16 services11 patients

Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 99223

Initial hospital inpatient care per day, typically 70 minutes, refers to the daily medical service provided to patients admitted to the hospital. This includes a comprehensive evaluation, diagnosis, treatment plan, and monitoring of your health condition. It ensures your well-being during your hospital stay.

14 services14 patients

Hospital Affiliations CMS Care Compare 3

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

Williamson Medical Center

Acute Care Hospitals · Franklin, TN

4/5 CMS rating

OwnershipGovernment - Hospital District or Authority

CMS Certification Number440029

Location4321 Carothers ParkwayFranklin, TN 37067 · Williamson County

Emergency services Birthing friendly

Maury Regional Hospital

Acute Care Hospitals · Columbia, TN

3/5 CMS rating

OwnershipGovernment - Local

CMS Certification Number440073

Location1224 Trotwood AveColumbia, TN 38401 · Maury County

Emergency services Birthing friendly

Vanderbilt Bedford Hospital

Acute Care Hospitals · Shelbyville, TN

4/5 CMS rating

OwnershipProprietary

CMS Certification Number440137

Location2835 Hwy 231 NorthShelbyville, TN 37160 · Bedford County

Emergency services

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 37067 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.

Other Providers at the Same Location NPPES 5

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

PAUL S. FLESER MD

Surgery (Vascular Surgery)