Dr. Mark Stephen Cotner, MD
- Industry payments
- $244
- Insurance carriers
- 12
- State licenses
- 3
- Year NPI issued
- 2005
- Practice address
- 9324 Ranchero, San Antonio, TX 78240-1029
- Practice phone
- Call (210) 455-9609
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Find Dr. Cotner's professional email, personal email and mobile number
Dmand AI checks each channel through healthcare-specific waterfall enrichment. See what is on file with a free account, with practice phones, licenses and affiliations.
Dr. Mark Stephen Cotner is a general surgeon in San Antonio, Texas
Dr. Cotner practices in San Antonio, Texas.
Dr. Cotner's NPI, 1629070602, was assigned on August 10, 2005. Dr. Cotner graduated from OU College of Medicine in 1978. Dr. Cotner holds Texas license L7343.
- NPI
- 1629070602NPI Registry (opens in a new tab)
- NPI enumeration date
- August 10, 2005
- NPI status
- Active
- Practice phone
- (210) 455-9609
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Medical school graduation
- 1978
Sources: NPPES NPI Registry (CMS); and Dmand AI Professional Profile Data
Dr. Mark Stephen Cotner's practice address is in San Antonio, Texas
Dr. Cotner's practice address in the NPI Registry is 9324 Ranchero, San Antonio, TX 78240-1029. The practice phone is (210) 455-9609.
- NPI Registry address9324 Ranchero, San Antonio, TX 78240-1029Phone(210) 455-9609
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dmand AI tracks the EHR system at Dr. Mark Stephen Cotner's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Cotner practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Dr. Cotner's practice | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Mark Stephen Cotner is one of 1,939 general surgeons in Texas
Surgery is Dr. Cotner's primary specialty in the NPI Registry, under taxonomy code 208600000X. Dmand AI has Dr. Cotner's licenses on file in 3 states: Texas, California and Oklahoma.
Specialties and state licenses
- Surgery, TexasPrimary
- California license
- Oklahoma license
General surgeons near Dr. Cotner
Counts of general surgeons with a Dmand AI profile, by place and practice. Each opens the list.
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Dr. Mark Stephen Cotner's patients have a median age of 78
Across all payers, Dmand AI patient panel data puts Dr. Cotner's median patient age at 78, with 0% women.
Dr. Cotner's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 78
Patient panel by sex, all payers
- Women0%
- Men100%
Source: Dmand AI Patient Panel Data
Dr. Mark Stephen Cotner received $244 in industry payments from 2017 to 2018
CMS Open Payments shows 2 general payments to Dr. Cotner from 2 drug and device companies from 2017 to 2018. Food and beverage make up the largest share, 100% of the total. Cardiovascular Systems Inc. paid the most, $168.
General payments to Dr. Cotner by program year, 2017 to 2018
Companies that paid Dr. Cotner the most, 2017 to 2018
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Mark Stephen Cotner graduated from OU College of Medicine
Dr. Cotner graduated from OU College of Medicine in 1978.
- Medical school
Source: Dmand AI Professional Profile Data
Dr. Mark Stephen Cotner accepts plans from 12 insurance carriers
Dr. Cotner is in network with 12 carriers, including Highmark, United Healthcare and Elevance. HMO plans come from the most carriers, 8. Check the plan with the practice before a visit.
- Highmark
- United Healthcare
- Elevance
- Aetna
- Blue Cross Blue Shield of Michigan
- HCSC
- Alliant Health Plans
- Aspirus Health Plan
- +4 more carriersWith a free account
Plan types Dr. Cotner accepts, by number of carriers
- HMO8
- PPO8
- EPO3
- Medicare2
- POS2
Source: Dmand AI Insurance Network Data
Sources for Dr. Mark Stephen Cotner's profile data
| Data on this page | Source |
|---|---|
| NPI, name, sex, specialty and licenses | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data |
| Practice locations and phone | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel Data |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| Insurance carriers and plan types | Dmand AI Insurance Network Data |
| EHR at each practice site | Dmand AI Technology Install Data |
| Similar physicians | Dmand AI Affiliation Data |
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about Dr. Mark Stephen Cotner
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Dr. Mark Stephen Cotner's NPI number?
Dr. Mark Stephen Cotner's NPI number is 1629070602. It was assigned on August 10, 2005, and it is active in the NPI Registry.
What kind of doctor is Dr. Mark Stephen Cotner?
Dr. Mark Stephen Cotner is a general surgeon in San Antonio, Texas. The primary specialty in the NPI Registry is Surgery Physician (taxonomy code 208600000X).
Where does Dr. Mark Stephen Cotner practice?
Dr. Cotner practices at 9324 Ranchero, San Antonio, TX 78240-1029.
What is Dr. Mark Stephen Cotner's office phone number?
The practice phone on file for Dr. Cotner is (210) 455-9609. Dmand AI also checks direct phone and mobile numbers, available with a free account.
What is Dr. Mark Stephen Cotner's email address?
Dmand AI checks professional and personal email addresses for Dr. Cotner through healthcare-specific waterfall enrichment. They are available with a free Dmand AI account.
What is Dr. Mark Stephen Cotner's medical license number?
Dr. Cotner holds Texas license L7343, one of the licenses on file in 3 states.
Which states has Dr. Mark Stephen Cotner been licensed in?
Dmand AI has state licenses on file for Dr. Cotner in Texas (2003 to 2027), California (2013 to 2026) and Oklahoma (1983 to 2026).
Where did Dr. Mark Stephen Cotner go to medical school?
Dr. Cotner graduated from OU College of Medicine in 1978.
Has Dr. Mark Stephen Cotner received payments from drug or device companies?
CMS Open Payments shows $244 in general payments to Dr. Cotner from 2 companies from 2017 to 2018. The largest total came from Cardiovascular Systems Inc.
How long has Dr. Mark Stephen Cotner been practicing?
Dr. Cotner graduated from medical school in 1978, 48 years ago.
What EHR does Dr. Mark Stephen Cotner's practice use?
Dmand AI tracks the EHR system at Dr. Cotner's practice. The vendor and product are available with a free Dmand AI account.
What insurance does Dr. Mark Stephen Cotner accept?
Dr. Cotner is in network with 12 carriers, including Highmark, United Healthcare and Elevance. HMO plans come from the most carriers, 8. Check the plan with the practice before a visit. The full carrier list is available with a free Dmand AI account.
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