Dr. Mark Denton Ervin , MD
Surgery β’ San Antonio, TX
1100 Wilford Hall Loop
San Antonio, TX 78236
This profile restates public CMS/NPPES data; T-MedInfo gives no medical advice — consult a licensed professional, and call 911 for emergencies.
Practice Location & Contact Primary Location
1100 Wilford Hall Loop
San Antonio, TX 78236
NPPES lists 1 additional practice-address record in Eglin Afb, FL. See the list
Source: CMS NPPES NPI Registry, practice location records; release date unavailable.
Listings do not confirm current availability, employment or a shared ownership network.
What Public CMS Data Show
Surgery: NPPES taxonomy is a reported classification, not proof of board certification.
Industry payments (Open Payments)
No Open Payments records are listed for this clinician for 2019β2025.
NPI first issued
2006
The year this clinician's National Provider Identifier (NPI) was issued. An NPI is a unique 10-digit ID that US health care providers use for billing.
What this does not show: NPI first issued
NPIs have been issued only since 2005, so this year is not necessarily when the clinician started practicing.
Source: CMS NPPES NPI Registry.
Medicare assignment not listed
CMS data do not show whether this clinician accepts Medicare assignment. This does not mean they do not accept Medicare. Ask the office.
Medicare assignment applies to Original Medicare. It does not tell you whether the clinician is in a Medicare Advantage plan's network, accepts other insurance, or is taking new patients.
Source: CMS Doctors and Clinicians; Medicare.gov, βDoes your provider accept Medicare as full payment?β
No telehealth indicator
CMS shows this indicator only when recent Medicare claims include telehealth services. The clinician may still offer telehealth; ask the office.
Source: CMS, Telehealth Indicator on Medicare Care Compare (fact sheet, January 2023); CMS Doctors and Clinicians.
Can order Medicare-covered services
CMS lists Dr. Ervin as eligible to order or refer durable medical equipment (DME) for people with Medicare.
Medicare pays for these items and services only when they are ordered by an eligible clinician.
What this does not show: Can order Medicare-covered services
It does not mean the clinician offers these services directly.
Source: CMS Medicare Fee-For-Service Public Provider Enrollment (PECOS); CMS Order and Referring file.
Compared with the same specialty in San Antonio and Texas
158 active clinicians are listed under Surgery with a practice address in San Antonio, TX (2,193 in Texas).
Addresses are self-reported to NPPES and may be out of date.
Telehealth indicator in San Antonio
7.6% of these 158 clinicians have the CMS telehealth indicator.
50.6% of these 158 clinicians are listed by CMS as accepting Medicare assignment.
Sources: CMS Doctors and Clinicians, CMS NPPES NPI Registry. Specialty names follow the NUCC Health Care Provider Taxonomy.
Text: T-MedInfo Β· Report an error.
Specialties & License Numbers Reported to NPPES
NUCC Taxonomy Code: 208600000X
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.
Medicare (PECOS) Enrollment & Ordering Eligibility
Source: CMS PECOSSources: CMS Provider Enrollment and Order and Referring. Medicare enrollment is a billing status, not an accreditation or quality rating.
Secondary Practice Locations
Eglin Afb Hospital
Eglin Afb, FL 32578
Phone: 8508838506
Clinicians Sharing This Practice Address or Phone
Clinicians sharing this NPPES address, phone or fax; a shared contact does not mean they work together.
Radiology - Diagnostic Radiology
Doctor of Medicine (M.D.)
Physical Therapist
Doctor of Physical Therapy
Physician Assistant
Physician Assistant (Certified)
Physical Therapist
Physical Therapist, Doctor of Physical Therapy
Emergency Medicine
Doctor of Medicine (M.D.)
Career & Practice History Timeline
Changes recorded in monthly NPPES data files: addresses, names, credentials, specialties and NPI status
Registered at 1100 WILFORD HALL LOOP, SAN ANTONIO, TX 78236 (Tel: 6187416883)
NPI status registered as active in NPPES database
Registered at EGLIN AFB HOSPITAL, EGLIN AFB, FL 32578 (Tel: 8508838506)
Registered at 127 MULRY DR, NICEVILLE, FL 325782398 (Tel: 8506855173)
Recorded as MARK ERVIN, M.D.
Surgery (license number reported to NPPES: GA 043605)
First registered as active Individual Practitioner in NPPES Database.
NPI Administrative Meta
Other Surgery Specialists in San Antonio
- Dr. Joe Johnston, MD
- Dr. Maria Palafox, MD
- Dr. John Etlinger, MD
- Dr. Alfred Bowles, MD
- Dr. Joel Rodriguez, MD
- Dr. Boyce Oliver, MD
Mailing Address
127 Mulry Dr
Niceville, FL 325782398
Phone: 8506855173