Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

DR. MARK D PRINCE MD
NPI 1629061171
Internal Medicine - Gastroenterology in Tyler, TX

Q: What is Mark Prince's NPI number?

The NPI number for Mark Prince is 1629061171. It was assigned to this individual provider in the NPPES registry on August 30, 2005.

Q: What is Mark Prince's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Gastroenterology, with taxonomy code 207RG0100X.

Q: When was this NPI record last updated?

The NPPES record for Mark Prince was last updated on August 7, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 days 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 August 30, 2005PECOS Enrolled

910 E HOUSTON ST STE 470, TYLER, TX 75702(903) 510-8718 Get Directions Write a Review

NPPES record last updated: August 7, 2026. Verified against the NPPES registry weekly; last sync: August 09, 2026.

Record update history: Aug 7, 2026, May 8, 2017, Apr 21, 2017 and 3 more (6 updates tracked since 2016).

On this page

About Dr. Mark D Prince Md NPPES

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

DR. MARK D PRINCE MD (NPI 1629061171) is an individual gastroenterology provider in Tyler, Texas, licensed in Texas (P8720) and active in the NPI registry since August 2005. He is enrolled in Medicare PECOS, is affiliated with Christus Mother Frances Hospital, and maintains 2 additional practice locations.

NPPES Registry Identity

NPI1629061171

Entity TypeIndividualMale

Primary Taxonomy207RG0100X

Provider Legal NameDR. MARK D PRINCECredential: MD

Location Address910 E HOUSTON ST STE 470Tyler, TX 75702-8365

Mailing AddressPo Box 846098Dallas, TX 75284-6098 · (903) 324-6400

Phone(903) 510-8718

Sole ProprietorNo

Medical School CMSUniversity Of Kentucky College Of MedicineGraduated 1996

Enumeration DateAugust 30, 2005

Last NPPES UpdateAugust 7, 20266 updates tracked since enumeration

NPPES CertifiedAugust 7, 2026

✔ NPI 1629061171 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal Medicine · GastroenterologyAllopathic & Osteopathic Physicians

Taxonomy Code207RG0100X

Licenses✔ Licensed in TX · P8720✔ Licensed in TN · 35969

Definition

An internist who specializes in diagnosis and treatment of diseases of the digestive organs including the stomach, bowels, liver and gallbladder. This specialist treats conditions such as abdominal pain, ulcers, diarrhea, cancer and jaundice and performs complex diagnostic and therapeutic procedures using endoscopes to visualize internal organs.

910 E HOUSTON ST STE 470, Tyler, TX 75702

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Secondary Practice Locations 2

Location 12026 S Jackson StJacksonville, TX 75766-5822 · Phone (903) 586-5678

Location 2910 E Houston St Ste 100Tyler, TX 75702-8363 · Phone (903) 606-8718 · Fax (903) 606-1218

Other Identifiers 4

OtherP01812747TX · Rail Road Medicare

Other75-2616977-054TX · Tricare

Medicaid338983501TX

Medicaid338983502TX

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Blue Cross and Blue Shield of Texas, CHRISTUS Health Plan.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. Mark D Prince 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 ID4880883917

PECOS Enrollment IDI20140911001103

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 15

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.

Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 99232

Follow-up hospital inpatient care involves daily check-ups while you're admitted in the hospital. Typically, a healthcare provider spends about 25 minutes each day reviewing your condition, adjusting treatment if needed, and answering any questions you might have.

223 services159 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.

172 services165 patients

Subsequent hospital care with straightforward or low level of medical decision making, per day, if using time, at least 25 minutes 99231

Follow-up hospital inpatient care is a daily service where a healthcare professional checks on your health progress during your hospital stay. Each session typically lasts 15 minutes, involving updates on your condition and adjustments to your treatment plan, if necessary.

82 services76 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.

56 services55 patients

Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope 43239

This procedure involves using a thin, flexible tube with a light and camera, known as an endoscope, to examine the esophagus, stomach, and upper part of the small intestine. Small tissue samples are taken for further examination to help diagnose various conditions.

38 services38 patients

Control of bleeding of esophagus, stomach, and/or upper small bowel using a flexible endoscope 43255

This procedure involves using a flexible tube with a light, called an endoscope, to examine and treat bleeding in the esophagus, stomach, or upper small bowel. It's a safe, effective way to control bleeding and ensure your digestive health.

35 services33 patients

Removal of stone or debris from bile or pancreatic duct using a flexible endoscope 43264

This procedure, called an endoscopic retrograde cholangiopancreatography (ERCP), involves using a flexible tube with a camera (endoscope) to locate and remove stones or debris from your bile or pancreatic duct. It's a non-surgical method to clear the ducts, enhancing your digestive health.

25 services25 patients

Incision of pancreatic outlet using a flexible endoscope 43262

This procedure involves a small cut in the outlet of the pancreas using a flexible tube with a camera, called an endoscope. It helps doctors diagnose and treat conditions affecting the pancreas, enhancing patient comfort and recovery.

21 services21 patients

Ultrasound guided needle aspiration or biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope 43242

This procedure involves using an ultrasound to guide a needle to specific areas in the esophagus, stomach, or upper small bowel. A flexible endoscope is used to reach these areas. The needle collects a small sample for testing.

18 services18 patients

Diagnostic exam of large bowel using a flexible endoscope 45378

This procedure, known as a colonoscopy, involves using a flexible tube with a light and camera to examine the large intestine. It helps detect any abnormalities such as polyps or inflammation. It's a standard procedure to ensure gut health.

18 services18 patients

Diagnostic exam of esophagus, stomach, and/or upper small bowel using a flexible endoscope 43235

This procedure, known as an upper endoscopy, involves inserting a thin, flexible tube with a camera down the throat to examine the esophagus, stomach, and upper small bowel. It helps diagnose conditions like ulcers or inflammation.

17 services17 patients

Insertion of stomach tube using a flexible endoscope 43246

This procedure involves the use of a flexible endoscope, a thin tube with a light and camera, to insert a stomach tube. It helps doctors view and access your stomach without surgery. It's typically performed under sedation to ensure comfort.

16 services16 patients

Insertion of stent into pancreatic or bile duct using a flexible endoscope 43274

This procedure involves the placement of a tiny tube, known as a stent, into your pancreatic or bile duct. A flexible endoscope, a long, thin instrument with a light and camera, is used. It aids in relieving blockages and improving flow in these ducts.

13 services12 patients

Removal of polyps or growths of large bowel using an endoscope with mechanical snare 45385

This procedure involves using a thin, flexible tube called an endoscope to examine the large bowel. If any abnormal growths or polyps are found, a tool called a mechanical snare is used to remove them. This is a common method to prevent potential health issues.

12 services12 patients

Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 99233

Follow-up hospital inpatient care per day typically involves a 35-minute check-up by your healthcare provider. This service includes monitoring your health progress, adjusting your treatment plan if needed, and answering any questions you may have about your condition or care.

12 services12 patients

Hospital Affiliations CMS Care Compare 3

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

Christus Mother Frances Hospital

Acute Care Hospitals · Tyler, TX

3/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number450102

Location800 East DawsonTyler, TX 75701 · Smith County

Emergency services Birthing friendly

Christus Mother Frances Hospital Sulphur Springs

Acute Care Hospitals · Sulphur Springs, TX

4/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number450236

Location115 Airport RdSulphur Springs, TX 75482 · Hopkins County

Emergency services Birthing friendly

Christus St Michael Health System

Acute Care Hospitals · Texarkana, TX

4/5 CMS rating

OwnershipVoluntary non-profit - Church

CMS Certification Number450801

Location2600 St Michael DrTexarkana, TX 75503 · Bowie County

Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 75702 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

$126.40 typical visit price

range $54.84 – $166.88

Typical copayment $31.60 (range $13.71 – $41.72)

Most-billed visit code 99204

Established Patient

$97.05 typical visit price

range $17.52 – $136.11

Typical copayment $24.26 (range $4.38 – $34.02)

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.

Other Providers at the Same Location NPPES

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

UMAIR SOHAIL M.D.

Internal Medicine (Gastroenterology)

910 E HOUSTON ST STE 470
TYLER, TX 75702

Smith County (903) 606-8718

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 Prince's NPI number?

The NPI number for Mark Prince is 1629061171. It was assigned to this individual provider in the NPPES registry on August 30, 2005.

Where is Mark Prince located?

Mark Prince practices at 910 E Houston St Ste 470, Tyler, TX 75702. The listed phone number is (903) 510-8718.

What is Mark Prince's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Gastroenterology, with taxonomy code 207RG0100X.

Is Mark Prince enrolled in Medicare?

Yes. Mark Prince 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 Mark Prince accept?

Health plans from Blue Cross and Blue Shield of Texas and CHRISTUS Health Plan list Mark Prince 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 Prince affiliated with any hospitals?

According to CMS data, Mark Prince is affiliated with Christus Mother Frances Hospital, Christus Mother Frances Hospital Sulphur Springs and Christus St Michael Health System.

When was this NPI record last updated?

The NPPES record for Mark Prince was last updated on August 7, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 days 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.