THOMAS MARTEN LOH M.D.
NPI 1376803106
Surgery - Vascular Surgery in Shenandoah, TX

Q: What is Thomas Loh's NPI number?

The NPI number for Thomas Loh is 1376803106. It was assigned to this individual provider in the NPPES registry on May 27, 2012.

Q: What is Thomas Loh'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 Thomas Loh was last updated on March 9, 2020. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 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 May 27, 2012PECOS EnrolledAccepts Medicare Assignment

17189 INTERSTATE 45 S STE 475, SHENANDOAH, TX 77385(936) 270-3933(713) 791-5134 Get Directions Write a Review

NPPES record last updated: March 9, 2020. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Mar 9, 2020, Jul 3, 2019 (2 updates tracked since 2019).

On this page

About Thomas Marten Loh M.d. NPPES

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

THOMAS MARTEN LOH M.D. (NPI 1376803106) is an individual vascular surgery provider in Shenandoah, Texas, licensed in Texas (R2159) and active in the NPI registry since May 2012. He is enrolled in Medicare PECOS, is affiliated with Houston Methodist Willowbrook Hospital, and is a graduate of Other (2012).

NPPES Registry Identity

NPI1376803106

Entity TypeIndividualMale

Primary Taxonomy2086S0129X

Provider Legal NameTHOMAS MARTEN LOHCredential: M.D.

Location Address17189 INTERSTATE 45 S STE 475Shenandoah, TX 77385-3320

Mailing Address17189 Interstate 45 S Ste 475Shenandoah, TX 77385-3320 · (936) 270-3933 · Fax (713) 791-5134

Phone(936) 270-3933

Fax(713) 791-5134

Sole ProprietorNo

Medical School CMSOtherGraduated 2012

Enumeration DateMay 27, 2012

Last NPPES UpdateMarch 9, 20202 updates tracked since enumeration

NPPES CertifiedMarch 9, 2020

✔ NPI 1376803106 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtySurgery · Vascular SurgeryAllopathic & Osteopathic Physicians

Taxonomy Code2086S0129X

Licenses✔ Licensed in TX · R2159✔ Licensed in TX · 566858

Definition

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

17189 INTERSTATE 45 S STE 475, Shenandoah, TX 77385

Open in Google Maps ↗

Accepted Insurance

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

Thomas Marten Loh 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 ID3173859865

PECOS Enrollment IDI20190802000982

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

Tmh Physician Associates PLLC

34 mi

Ophthalmology

6550 FANNIN ST, SUITE 447
Houston, TX 77030

Reassigned Medicare billing, Texas enrollment
2,407 clinicians in this Medicare group

NPI 1275779225 (713) 441-7389

Houston Methodist Specialty Physicians

35 mi

Otolaryngology

7550 GREENBRIAR DR STE 600
Houston, TX 77030

Reassigned Medicare billing, Texas enrollment
1,579 clinicians in this Medicare group

NPI 1902614332 (281) 414-6055

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 34

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.

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.

313 services179 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.

238 services190 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.

175 services147 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.

114 services101 patients

Management of oxygen chamber therapy 99183

Oxygen chamber therapy involves breathing pure oxygen in a pressurized room or tube. It's used to treat various conditions like wounds that won't heal due to diabetes or radiation injury. In this therapy, your body's tissues get more oxygen to promote healing and fight infection.

95 services12 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.

92 services92 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.

76 services38 patients

Telephone medical discussion with physician, 5-10 minutes 99441

A telephone medical discussion with a physician is a brief, 5-10 minute call where you can discuss your health concerns. It's a convenient way to receive medical advice without needing to visit a clinic. It's important to prepare questions in advance to make the most of this time.

74 services57 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.

66 services43 patients

Chemical destruction of first incompetent vein of arm or leg using imaging guidance 36482

This procedure involves using a chemical to close off a malfunctioning vein in your arm or leg. Imaging guidance is used to accurately locate the vein. This helps improve blood flow by rerouting it through healthier veins.

63 services33 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.

42 services36 patients

Injection of chemical agent into multiple incompetent veins of leg 36471

This procedure involves injecting a special chemical into problematic veins in the leg. The chemical helps to close off these veins, rerouting blood through healthier veins. This can alleviate discomfort and improve the appearance of the treated area.

37 services27 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.

36 services36 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.

33 services32 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.

31 services25 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.

27 services27 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.

26 services24 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.

24 services13 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.

24 services22 patients

Ultrasound of hemodialysis access 93990

An ultrasound of hemodialysis access is a non-invasive procedure that uses sound waves to create images of your dialysis access site. It helps monitor the access site's health and detect any potential issues like blockages or narrowing.

23 services18 patients

Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214

23 services14 patients

Injection for x-ray imaging procedure into vein of arm or leg 36005

This procedure involves injecting a contrast material into a vein in your arm or leg. This helps to enhance the quality of X-ray images, making it easier to see and understand the condition of your veins and tissues. It's generally safe and quick.

22 services21 patients

Primary removal and dissolving of blood clot from artery or artery graft using fluoroscopic guidance, subsequent vessels 37185

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, ensuring precise targeting. If there are clots in other vessels, they are addressed subsequently.

21 services11 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.

20 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.

18 services15 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.

17 services13 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.

16 services16 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.

16 services15 patients

Review by radiologist of 1 arm or leg vein of 1 arm or leg image 75820

This procedure involves a radiologist examining an image of a vein in either your arm or leg. The image helps to identify any abnormalities or issues with blood flow. It's a non-invasive and safe process that aids in accurate diagnosis and treatment planning.

15 services15 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.

14 services12 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.

12 services11 patients

Relocation of arm vein with connection to arm artery for hemodialysis 36821

This procedure involves moving a vein in your arm and connecting it to an artery. This creates a larger, stronger vein that can be used for hemodialysis, a treatment for kidney disease. It helps clean your blood when your kidneys can't.

12 services11 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.

12 services12 patients

Ultrasound evaluation of blood vessel with review by radiologist, initial vessel 37252

This procedure involves using ultrasound, a safe imaging technique, to examine your blood vessels. The images are then reviewed by a radiologist, a doctor specialized in medical imaging. The process helps identify any abnormalities in your initial vessel.

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.

Houston Methodist Willowbrook Hospital

Acute Care Hospitals · Houston, TX

5/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number450844

Location18220 State Highway 249Houston, TX 77070 · Harris County

Emergency services Birthing friendly

Houston Methodist The Woodlands Hospital

Acute Care Hospitals · The Woodlands, TX

5/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number670122

Location17201 Interstate 45 SouthThe Woodlands, TX 77385 · Montgomery County

Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 77385 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

$84.92 typical visit price

range $54.84 – $166.88

Typical copayment $21.23 (range $13.71 – $41.72)

Most-billed visit code 99203

Established Patient

$68.55 typical visit price

range $17.52 – $136.11

Typical copayment $17.13 (range $4.38 – $34.02)

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.

Referred Medical Equipment & Supplies CMS DME claims 5

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

Wound care set, for negative pressure wound therapy electrical pump, includes all supplies and accessories A6550

DME-Other DME · category DE000N

1 supplier13 claims180 services$21.02 avg. paid by Medicare

Canister, disposable, used with suction pump, each A7000

DME-Other DME · category DE000N

1 supplier13 claims125 services$7.00 avg. paid by Medicare

Negative pressure wound therapy electrical pump, stationary or portable E2402

DME-Other DME · category DE000N

1 supplier15 claims15 services$674.90 avg. paid by Medicare

Addition to lower extremity, below knee / above knee suspension locking mechanism (shuttle, lanyard or equal), excludes socket insert L5671

DME-Orthotic Devices · category DF003N

1 supplier11 claims11 services$475.94 avg. paid by Medicare

Addition to lower extremity, below knee/above knee, custom fabricated from existing mold or prefabricated, socket insert, silicone gel, elastomeric or equal, for use with locking mechanism L5673

DME-Orthotic Devices · category DF003N

1 supplier11 claims22 services$606.44 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 8

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

SAPNA LEGHA MD

Internal Medicine (Cardiovascular Disease)

17189 INTERSTATE 45 S STE 475
SHENANDOAH, TX 77385

Montgomery County (936) 270-3933

MRS. KIMBERLY ANN QUINN AGACNP-BC

Nurse Practitioner (Adult Health)

17189 INTERSTATE 45 S STE 475
SHENANDOAH, TX 77385

Montgomery County (936) 270-3933

COURTNEY REYNOLDS NP

Nurse Practitioner (Acute Care)

17189 INTERSTATE 45 S STE 475
THE WOODLANDS, TX 77385

Montgomery County (936) 270-3933

KANVAL SHAH

Internal Medicine (Cardiovascular Disease)

17189 INTERSTATE 45 S STE 475
SHENANDOAH, TX 77385

Montgomery County (936) 270-3933

DR. JUAN CARLOS ROZO M.D.

Internal Medicine (Cardiovascular Disease)

17189 INTERSTATE 45 S STE 475
SHENANDOAH, TX 77385

Montgomery County (936) 270-3933

DR. RYLAN WILLKENS DNP, AGACNP-BC

Nurse Practitioner (Adult Health)

17189 INTERSTATE 45 S STE 475
SHENANDOAH, TX 77385

Montgomery County (936) 270-3933

MR. UBONG RAYMOND ATIATA

Physician Assistant

17189 INTERSTATE 45 S STE 475
SHENANDOAH, TX 77385

Montgomery County (936) 270-3933

MR. JEFFREY DAVID TURNBULL PA-C

Physician Assistant

17189 INTERSTATE 45 S STE 475
SHENANDOAH, TX 77385

Montgomery County (936) 270-3933

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 Thomas Loh's NPI number?

The NPI number for Thomas Loh is 1376803106. It was assigned to this individual provider in the NPPES registry on May 27, 2012.

Where is Thomas Loh located?

Thomas Loh practices at 17189 Interstate 45 S Ste 475, Shenandoah, TX 77385. The listed phone number is (936) 270-3933.

What is Thomas Loh's specialty?

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

Is Thomas Loh enrolled in Medicare?

Yes. Thomas Loh 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 Thomas Loh's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Thomas Loh reassigns Medicare benefits to 2 organizations: Tmh Physician Associates PLLC (Houston, TX) and Houston Methodist Specialty Physicians (Houston, TX). 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 Thomas Loh's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Thomas Loh accept?

Health plans from WellPoint list Thomas Loh 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 Thomas Loh affiliated with any hospitals?

According to CMS data, Thomas Loh is affiliated with Houston Methodist Willowbrook Hospital and Houston Methodist The Woodlands Hospital.

When was this NPI record last updated?

The NPPES record for Thomas Loh was last updated on March 9, 2020. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 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.