Dr. Mary C. Brennan, MD
- Industry payments
- $546
- Affiliated sites
- 1
- Medical group
- 1
- Insurance carriers
- 3
- State licenses
- 2
- Practice address
- 6210 John Ryan Dr Suite 104 Suite 104, Fort Worth, TX 76132-4111
- Practice phone
- Call (817) 294-7578
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Cook Children's Physician Network
Pediatric practice · Fort Worth, Texas
Find Dr. Brennan'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. Mary C. Brennan is a pediatrician in Fort Worth, Texas
Dr. Brennan practices at Cook Children's Physician Network in Fort Worth, Texas.
Dr. Brennan's NPI, 1710075403, was assigned on October 10, 2006. Dr. Brennan graduated from LSU Health Sciences Center New Orleans - School of Medicine in 1987. Dr. Brennan holds Texas license H5846.
- NPI
- 1710075403NPI Registry (opens in a new tab)
- NPI enumeration date
- October 10, 2006
- NPI status
- Active
- Practice phone
- (817) 294-7578
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Medical school graduation
- 1987
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Affiliation Data
Dr. Mary C. Brennan practices at Cook Children's Physician Network in Fort Worth, Texas
Dr. Brennan's primary practice is Cook Children's Physician Network, at 6210 John Ryan Dr Suite 104 Suite 104, Fort Worth, TX 76132-4111. The practice phone is (817) 294-7578.
- Cook Children's Physician Network6210 John Ryan Dr Suite 104 Suite 104, Fort Worth, TX 76132-4111Phone(817) 294-7578
Source: Dmand AI Affiliation Data
Dr. Mary C. Brennan is affiliated with 1 site of care and 1 medical group
Dr. Brennan's primary practice is Cook Children's Physician Network in Fort Worth, Texas. The medical group on file is Cook Childrens Physician Network.
Source: Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Dr. Mary C. Brennan's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Brennan practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Cook Children's Physician Network | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Mary C. Brennan is one of 4,833 pediatricians in Texas
Pediatrics is Dr. Brennan's primary specialty in the NPI Registry, under taxonomy code 208000000X. Dr. Brennan is board certified in pediatrics by the American Board of Pediatrics. Dmand AI has Dr. Brennan's licenses on file in 2 states: Texas and Louisiana.
Specialties and state licenses
- Pediatrics, TexasPrimary
- Louisiana license
Pediatricians near Dr. Brennan
Counts of pediatricians 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. Mary C. Brennan's patients have a median age of 10
Across all payers, Dmand AI patient panel data puts Dr. Brennan's median patient age at 10, with 53% women.
Dr. Brennan's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 10
Patient panel by sex, all payers
- Women53%
- Men46%
Source: Dmand AI Patient Panel Data
Dr. Mary C. Brennan received $546 in industry payments from 2016 to 2020
CMS Open Payments shows 30 general payments to Dr. Brennan from 12 drug and device companies from 2016 to 2020. Food and beverage make up the largest share, 75% of the total. Sanofi Pasteur Inc. paid the most, $149.
General payments to Dr. Brennan by program year, 2016 to 2020
General payments to Dr. Brennan by kind, 2016 to 2020
- Food and beverage$40875%
- Gifts$13825%
Companies that paid Dr. Brennan the most, 2016 to 2020
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Mary C. Brennan has 1 award and honors on record
Dmand AI lists 1 award for Dr. Brennan.
Awards and honors for Dr. Brennan
- Undated
- AAP Fellow
Source: Dmand AI Professional Profile Data
Dr. Mary C. Brennan graduated from LSU Health Sciences Center New Orleans - School of Medicine
Dr. Brennan graduated from LSU Health Sciences Center New Orleans - School of Medicine in 1987. Dr. Brennan is a member of AAP.
- Medical school
- Board certified in pediatrics
Source: Dmand AI Professional Profile Data
Dr. Mary C. Brennan accepts plans from 3 insurance carriers
Dr. Brennan is in network with 3 carriers, including Aetna, United Healthcare and Baylor Scott and White. HMO plans come from the most carriers, 3. Check the plan with the practice before a visit.
- Aetna
- United Healthcare
- Baylor Scott and White
Plan types Dr. Brennan accepts, by number of carriers
- HMO3
- Medicare2
- POS2
- PPO2
- EPO1
- Medicaid1
Source: Dmand AI Insurance Network Data
Sources for Dr. Mary C. Brennan'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 | Dmand AI Affiliation Data |
| Primary practice, affiliations and health system | Dmand AI Affiliation Data |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel Data |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| Awards and committee roles | Dmand AI Professional Profile Data |
| 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. Mary C. Brennan
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. Mary C. Brennan's NPI number?
Dr. Mary C. Brennan's NPI number is 1710075403. It was assigned on October 10, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Mary C. Brennan?
Dr. Mary C. Brennan is a pediatrician in Fort Worth, Texas. The primary specialty in the NPI Registry is Pediatrics Physician (taxonomy code 208000000X).
Where does Dr. Mary C. Brennan practice?
Dr. Brennan practices at 6210 John Ryan Dr Suite 104 Suite 104, Fort Worth, TX 76132-4111. Dr. Brennan's primary practice is Cook Children's Physician Network in Fort Worth, Texas.
What is Dr. Mary C. Brennan's office phone number?
The practice phone on file for Dr. Brennan is (817) 294-7578.
What is Dr. Mary C. Brennan's medical license number?
Dr. Brennan holds Texas license H5846, one of the licenses on file in 2 states.
Which states has Dr. Mary C. Brennan been licensed in?
Dmand AI has state licenses on file for Dr. Brennan in Texas (1989 to 2026) and Louisiana (1987 to 2006).
What medical group is Dr. Mary C. Brennan part of?
Dr. Brennan is linked to Cook Childrens Physician Network.
Is Dr. Mary C. Brennan board certified?
Yes. Dr. Brennan is board certified in pediatrics by the American Board of Pediatrics.
Where did Dr. Mary C. Brennan go to medical school?
Dr. Brennan graduated from LSU Health Sciences Center New Orleans - School of Medicine in 1987.
Has Dr. Mary C. Brennan received payments from drug or device companies?
CMS Open Payments shows $546 in general payments to Dr. Brennan from 12 companies from 2016 to 2020. The largest total came from Sanofi Pasteur Inc.
How long has Dr. Mary C. Brennan been practicing?
Dr. Brennan graduated from medical school in 1987, 39 years ago.
What insurance does Dr. Mary C. Brennan accept?
Dr. Brennan is in network with 3 carriers, including Aetna, United Healthcare and Baylor Scott and White. HMO plans come from the most carriers, 3. Check the plan with the practice before a visit.
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