MARK L TELLEZ MD
NPI 1164445102
Surgery in Fort Worth, TX

Active since July 25, 2006PECOS EnrolledAccepts Medicare Assignment
1500 S MAIN ST, SUITE 303, FORT WORTH, TX 76104(817) 702-1172(817) 702-1605 Get Directions Write a Review

NPPES record last updated: February 14, 2017. Verified against the NPPES registry weekly; last sync: October 18, 2026.

About Mark L Tellez Md NPPES

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

MARK L TELLEZ MD (NPI 1164445102) is an individual surgery provider in Fort Worth, Texas, licensed in Texas (L1214) and active in the NPI registry since July 2006. He is enrolled in Medicare PECOS, is affiliated with Baylor Scott & White Medical Center Grapevine, and is a graduate of Other (1982).

NPPES Registry Identity

NPI1164445102
Entity TypeIndividualMale
Primary Taxonomy208600000X
Provider Legal NameMARK L TELLEZCredential: MD
Location Address1500 S MAIN ST, SUITE 303Fort Worth, TX 76104-4917
Mailing AddressPo Box 961205Fort Worth, TX 76161-1205 · (817) 740-8400 · Fax (817) 702-1605
Fax(817) 702-1605
Sole ProprietorNo
Medical School CMSOtherGraduated 1982
Enumeration DateJuly 25, 2006
Last NPPES UpdateFebruary 14, 2017
✔ NPI 1164445102 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtySurgeryAllopathic & Osteopathic Physicians
Taxonomy Code208600000X
License✔ Licensed in TX · L1214
Definition
A general surgeon has expertise related to the diagnosis - preoperative, operative and postoperative management - and management of complications of surgical conditions in the following areas: alimentary tract; abdomen; breast, skin and soft tissue; endocrine system; head and neck surgery; pediatric surgery; surgical critical care; surgical oncology; trauma and burns; and vascular surgery. General surgeons increasingly provide care through the use of minimally invasive and endoscopic techniques. Many general surgeons also possess expertise in transplantation surgery, plastic surgery and cardiothoracic surgery.
1500 S MAIN ST, Fort Worth, TX 76104

Other Identifiers 5

Medicare UPINB41168
Medicaid140972403TX
Medicare PIN8D9924TX
Medicaid140972402TX
OtherP00308741Railroad

Accepted 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 L Tellez 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 ID3870528359
PECOS Enrollment IDI20051004000348
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

2

Medicare enrollment records show Mark Tellez reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Diagnostic Radiology
800 W MAGNOLIA AVE STE 100
Fort Worth, TX 76104
  • Reassigned Medicare billing, Texas enrollment
  • Medicare enrollment name: Texas Health Care PLLC
  • 511 clinicians in this Medicare group
Trauma Surgery
2710 SWISS AVENUE
Dallas, TX 75204
  • Reassigned Medicare billing, Texas enrollment
  • Medicare enrollment name: Urgent Surgery Associates PA
  • 120 clinicians in this Medicare group

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 4

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.
61 services38 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.
42 services32 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.
17 services17 patients
Hospital discharge day management, 30 minutes or less 99238
Hospital discharge day management of 30 minutes or less includes finalizing your treatment, discussing your progress, and planning after-care at home. It ensures you're ready to leave the hospital and continue recovery safely.
14 services14 patients

Hospital Affiliations CMS Care Compare

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

Baylor Scott & White Medical Center Grapevine

Acute Care Hospitals · Grapevine, TX
4/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number450563
Location1650 W College StGrapevine, TX 76051 · Tarrant County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 76104 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
$87.20 typical visit price
range $56.47 – $171.07
Typical copayment $21.80 (range $14.11 – $42.76)
Most-billed visit code 99203
Established Patient
$70.45 typical visit price
range $18.18 – $139.68
Typical copayment $17.61 (range $4.54 – $34.92)
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 20

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

Family Medicine
1500 S MAIN ST
FORT WORTH, TX 76104
Nurse Anesthetist, Certified Registered
1500 S MAIN ST
FORT WORTH, TX 76104
Family Medicine
1500 S MAIN ST
FT WORTH, TX 76104
Student in an Organized Health Care Education/Training Program
1500 S MAIN ST
FORT WORTH, TX 76104
Student in an Organized Health Care Education/Training Program
1500 S MAIN ST
FORT WORTH, TX 76104
Student in an Organized Health Care Education/Training Program
1500 S MAIN ST
FORT WORTH, TX 76104
Family Medicine
1500 S MAIN ST, FAMILY MEDICINE CENTER
FORT WORTH, TX 76104
Physician Assistant
1500 S MAIN ST
FORT WORTH, TX 76104

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 Tellez's NPI number?

The NPI number for Mark Tellez is 1164445102. It was assigned to this individual provider in the NPPES registry on July 25, 2006.

Where is Mark Tellez located?

Mark Tellez practices at 1500 S Main St Suite 303, Fort Worth, TX 76104. The listed phone number is (817) 702-1172.

What is Mark Tellez's specialty?

The primary specialty registered for this NPI is Surgery with taxonomy code 208600000X.

Is Mark Tellez enrolled in Medicare?

Yes. Mark Tellez 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 Mark Tellez's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Mark Tellez reassigns Medicare benefits to 2 organizations: Texas Health Care, P.L.L.C. (Fort Worth, TX) and Urgent Surgery Associates, P.A. (Dallas, 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 Mark Tellez's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Mark Tellez accept?

Health plans from Blue Cross and Blue Shield of Texas and Molina Healthcare list Mark Tellez 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 Tellez affiliated with any hospitals?

According to CMS data, Mark Tellez is affiliated with Baylor Scott & White Medical Center Grapevine.

When was this NPI record last updated?

The NPPES record for Mark Tellez was last updated on February 14, 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.