MARK C HOUSTON M.D.
NPI 1790723013
Internal Medicine in Nashville, TN

Q: What is Mark Houston's NPI number?

The NPI number for Mark Houston is 1790723013. It was assigned to this individual provider in the NPPES registry on June 2, 2006.

Q: What is Mark Houston's specialty?

The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.

Q: When was this NPI record last updated?

The NPPES record for Mark Houston was last updated on May 12, 2015. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 11 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 June 02, 2006PECOS EnrolledAccepts Medicare Assignment

4230 HARDING RD, SUITE 400, NASHVILLE, TN 37205(615) 297-2700(615) 269-4584 Get Directions Write a Review

NPPES record last updated: May 12, 2015. Verified against the NPPES registry weekly; last sync: October 25, 2026.

On this page

About Mark C Houston M.d. NPPES

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

MARK C HOUSTON M.D. (NPI 1790723013) is an individual internal medicine provider in Nashville, Tennessee, licensed in Tennessee (10516) and active in the NPI registry since June 2006. He is enrolled in Medicare PECOS, is affiliated with Vanderbilt University Medical Center, and is a graduate of Vanderbilt University School Of Medicine (1974).

NPPES Registry Identity

NPI1790723013

Entity TypeIndividualMale

Primary Taxonomy207R00000X

Provider Legal NameMARK C HOUSTONCredential: M.D.

Location Address4230 HARDING RD, SUITE 400Nashville, TN 37205-2013

Mailing Address104 Woodmont Blvd, Suite Ll50Nashville, TN 37205-2245 · (615) 386-2300 · Fax (615) 386-2399

Phone(615) 297-2700

Fax(615) 269-4584

Sole ProprietorNo

Medical School CMSVanderbilt University School Of MedicineGraduated 1974

Enumeration DateJune 2, 2006

Last NPPES UpdateMay 12, 2015

✔ NPI 1790723013 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians

Taxonomy Code207R00000X

License✔ Licensed in TN · 10516

Definition

A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.

Also ListedInternal Medicine · Hypertension SpecialistTaxonomy 207RH0005X · License 10516 (TN)

4230 HARDING RD, Nashville, TN 37205

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Other Identifiers 12

Other110219098TN · Medicare Rr

Medicare PIN3165821TN

Other3164320TN · Blue Cross Of Tn

Medicaid1507589TN

Other10075140TN · Amerigroup

Other633837TN · Uso Mco

Medicare UPINB03128

Medicaid64746076KY

Medicare PIN103I119209TN

Other2576056TN · Cigna

Other4067698TN · Aetna

Other0440440TN · United Health Care

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include BlueCross BlueShield of Tennessee.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

Mark C Houston 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 ID3274616883

PECOS Enrollment IDI20100304000756

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

Advanced Diagnostic Imaging, PC

16 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

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 17

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 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.

1,102 services529 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.

476 services437 patients

Analysis of central arterial pressure with review by physician 93050

This procedure involves measuring the pressure in your central arteries, typically near your heart. It's crucial for assessing your cardiovascular health. A physician reviews the results to ensure proper diagnosis and treatment planning.

401 services399 patients

Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report 93000

An electrocardiogram (ECG) is a non-invasive test that records your heart's electrical activity. Using 12 leads attached to your body, it captures data to help identify heart conditions. A doctor interprets the results and provides a report.

354 services348 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.

289 services234 patients

Test to determine lung volumes using gas dilution or washout 94727

This test measures lung volumes by either diluting or washing out a known amount of gas in your lungs. You'll breathe in a harmless gas, then exhale. The exhaled air is analyzed to assess your lung capacity and function.

137 services135 patients

Test to measure resistance of the airways and lungs to differing frequencies 94728

This test measures how your lungs and airways respond to different frequencies of air pressure. It helps identify any resistance or obstruction, providing valuable information about your lung health. It's non-invasive and painless.

137 services135 patients

Test to examine how well the lungs exchange gases 94729

This is a test called a pulmonary function test, which helps understand the efficiency of your lungs. It measures how much air your lungs can hold, how quickly you can move air in and out of your lungs, and how well your lungs put oxygen into and remove carbon dioxide from your blood.

136 services134 patients

Test to measure largest amount of air breathed in an out 94200

This test, called spirometry, measures your lung capacity. It involves taking a deep breath and then exhaling as forcefully as possible into a machine. The results help assess how well your lungs function.

135 services133 patients

Test for exercise-induced heart and lung stress 94621

This is a test to evaluate how your heart and lungs respond to physical exertion. You'll exercise on a treadmill or a stationary bike, while your heart rate, breathing, blood pressure, and fatigue levels are monitored. This helps identify any abnormal responses to physical activity.

119 services119 patients

Injection of drug or substance under skin or into muscle 96372

This procedure involves administering medication directly under the skin or into a muscle. A small needle is used to inject the drug, allowing it to be absorbed quickly into the bloodstream. It's a common method for delivering a variety of medications.

29 services28 patients

Injection, vitamin b-12 cyanocobalamin, up to 1000 mcg J3420

This is a procedure where a small dose of Vitamin B-12, also known as Cyanocobalamin, is injected into your body. This vitamin is essential for nerve function and the production of red blood cells. It's often used to treat vitamin B-12 deficiency.

29 services28 patients

New patient office or other outpatient visit with a high level of medical decision making, if using time, 60 minutes or more 99205

This is a first-time patient visit where a healthcare professional spends 60-74 minutes with you. It involves a comprehensive evaluation, including your medical history and current health condition. They'll also advise on preventive health measures and formulate a treatment plan if needed.

27 services27 patients

Heart rhythm review, and interpretation of continous external ekg over more than 48 hours up to 7 days 93244

A heart rhythm review involves monitoring your heart's electrical activity for more than 48 hours up to 7 days. Using a device called an external EKG, doctors can track your heartbeats to detect irregularities and help diagnose heart conditions.

22 services21 patients

Heart rhythm recording continous external ekg over more than 48 hours up to 7 days 93242

This procedure involves wearing a device, an external EKG, for up to 7 days to continuously monitor your heart rhythm. It helps detect irregularities that may not occur during a standard EKG. The device is non-invasive and safe.

21 services20 patients

Testing of autonomic nervous system function and heart rate response to deep breathing 95921

This test studies the autonomic nervous system, which controls body functions like heart rate. During the test, you'll breathe deeply while the heart rate is monitored. This helps identify any irregularities in the heart's response to breathing changes.

15 services15 patients

Testing of autonomic (sympathetic) nervous system function 95923

Testing of autonomic nervous system function assesses how well your body's automatic processes, like heart rate and blood pressure, are working. It involves various non-invasive tests like heart rate variability and sweat production tests.

15 services15 patients

Hospital Affiliations CMS Care Compare 3

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

Vanderbilt University Medical Center

Acute Care Hospitals · Nashville, TN

4/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number440039

Location1211 Medical Center DriveNashville, TN 37232 · Davidson County

Emergency services Birthing friendly

Ascension Saint Thomas Hospital

Acute Care Hospitals · Nashville, TN

3/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number440082

Location4220 Harding Rd, PO Box 380Nashville, TN 37205 · Davidson County

Emergency services Birthing friendly

Tristar Centennial Medical Center

Acute Care Hospitals · Nashville, TN

4/5 CMS rating

OwnershipProprietary

CMS Certification Number440161

Location2300 Patterson StreetNashville, TN 37203 · Davidson County

Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 37205 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

$121.80 typical visit price

range $52.64 – $160.89

Typical copayment $30.45 (range $13.16 – $40.22)

Most-billed visit code 99204

Established Patient

$93.60 typical visit price

range $16.72 – $131.41

Typical copayment $23.40 (range $4.18 – $32.85)

Most-billed visit code 99214

Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

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.

Blood glucose test or reagent strips for home blood glucose monitor, per 50 strips A4253

DME-Other DME · category DE017N

26 suppliers59 claims176 services$5.47 avg. paid by Medicare

Lancets, per box of 100 A4259

DME-Medical/Surgical Supplies · category DA000N

10 suppliers19 claims29 services$1.16 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.

RICHARD C TOMICHEK M.D.

Anesthesiology

4230 HARDING RD, SUITE 435
NASHVILLE, TN 37205

Davidson County (615) 385-3704

GARY R. MCDONALD M.D.

Internal Medicine

4230 HARDING RD, SUITE 400
NASHVILLE, TN 37205

Davidson County (615) 297-2700

LAWRENCE W FREUND D.O.

Anesthesiology (Critical Care Medicine)

4230 HARDING RD, SUITE 435
NASHVILLE, TN 37205

Davidson County (615) 385-3704

TIMOTHY D DIBBLE MD

Internal Medicine

4230 HARDING RD, SUITE 400
NASHVILLE, TN 37205

Davidson County (615) 297-2700

H. DOUGLAS HOLLIDAY MD PLLC

Internal Medicine

4230 HARDING RD, STE. 530 HEART INSTITUTE
NASHVILLE, TN 37205

Davidson County (615) 297-6006

ASA CLYDE HEFLIN M.D.

Internal Medicine (Pulmonary Disease)

4230 HARDING RD, SUITE 400
NASHVILLE, TN 37205

Davidson County (615) 297-2700

MS. SUSAN ST ROMAIN ANDERSON CRNA

Nurse Anesthetist, Certified Registered

4230 HARDING RD, SUITE 435
NASHVILLE, TN 37205

Davidson County (615) 385-3704

NEWTON P. ALLEN JR. M.D.

Internal Medicine

4230 HARDING RD, SUITE 400
NASHVILLE, TN 37205

Davidson County (615) 297-2700

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 Mark Houston's NPI number?

The NPI number for Mark Houston is 1790723013. It was assigned to this individual provider in the NPPES registry on June 2, 2006.

Where is Mark Houston located?

Mark Houston practices at 4230 Harding Rd Suite 400, Nashville, TN 37205. The listed phone number is (615) 297-2700.

What is Mark Houston's specialty?

The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.

Is Mark Houston enrolled in Medicare?

Yes. Mark Houston 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 Mark Houston's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Mark Houston reassigns Medicare benefits to Advanced Diagnostic Imaging, PC (Goodlettsville, 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 Mark Houston's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Mark Houston accept?

Health plans from BlueCross BlueShield of Tennessee list Mark Houston 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 Mark Houston affiliated with any hospitals?

According to CMS data, Mark Houston is affiliated with Vanderbilt University Medical Center, Ascension Saint Thomas Hospital and Tristar Centennial Medical Center.

When was this NPI record last updated?

The NPPES record for Mark Houston was last updated on May 12, 2015. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 11 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.