Dr. Merrick James McMains, MD
- Hospital affiliations
- 1
- Industry payments
- $507
- Medical groups
- 2
- Insurance carriers
- 8
- State licenses
- 2
- Practice address
- 919 E 32nd St, Austin, TX 78705
- Practice phone
- Call (512) 476-7111
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. McMains' 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. Merrick James McMains is a pediatrician in Austin, Texas
Dr. McMains practices at St. David's Medical Center in Austin, Texas, part of HCA Healthcare.
Dr. McMains' NPI, 1518964014, was assigned on June 30, 2005. Dr. McMains graduated from Texas Tech University Health Sciences Center School of Medicine in 2000. Dr. McMains holds Texas license L8429.
- NPI
- 1518964014NPI Registry (opens in a new tab)
- NPI enumeration date
- June 30, 2005
- NPI status
- Active
- Practice phone
- (512) 476-7111
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Medical school graduation
- 2000
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Affiliation Data
Dr. Merrick James McMains practices at St. David's Medical Center in Austin, Texas
Dr. McMains' primary practice is St. David's Medical Center, at 919 E 32nd St, Austin, TX 78705 in Travis County. The practice phone is (512) 476-7111.
- St. David's Medical Center919 E 32nd St, Austin, TX 78705 · Travis CountyPhone(512) 476-7111
Source: Dmand AI Affiliation Data
Dr. Merrick James McMains is affiliated with 3 sites of care and 2 medical groups
Dr. McMains' primary practice is St. David's Medical Center in Austin, Texas, part of HCA Healthcare. The medical group on file is Magella Medical Associates. Dmand AI also links Dr. McMains to 1 more physician office, 1 group practice or clinic and 1 medical group, each named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Merrick James McMains' practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. McMains practices, 3 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| St. David's Medical Center | Available with a free account |
| +2 more sites and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Merrick James McMains is one of 4,833 pediatricians in Texas
Pediatrics is Dr. McMains' primary specialty in the NPI Registry, under taxonomy code 208000000X. Dr. McMains is board certified in pediatrics by the American Board of Pediatrics. Dmand AI has Dr. McMains' licenses on file in 2 states: Texas and Tennessee.
Specialties and state licenses
- Pediatrics, TexasPrimary
- Tennessee license
Pediatricians near Dr. McMains
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. Merrick James McMains' patients have a median age of 7
Across all payers, Dmand AI patient panel data puts Dr. McMains' median patient age at 7, with 43% women.
Dr. McMains' patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 7
Patient panel by sex, all payers
- Women43%
- Men57%
Source: Dmand AI Patient Panel Data
Dr. Merrick James McMains received $507 in industry payments from 2016 to 2025
CMS Open Payments shows 28 general payments to Dr. McMains from 13 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 93% of the total. Cranial Technologies, Inc paid the most, $150.
General payments to Dr. McMains by program year, 2016 to 2025
General payments to Dr. McMains by kind, 2016 to 2025
- Food and beverage$46993%
- Education$387%
Companies that paid Dr. McMains the most, 2016 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Merrick James McMains graduated from Texas Tech University Health Sciences Center School of Medicine
Dr. McMains graduated from Texas Tech University Health Sciences Center School of Medicine in 2000.
- Medical school
- Board certified in pediatrics
Source: Dmand AI Professional Profile Data
Dr. Merrick James McMains accepts plans from 8 insurance carriers
Dr. McMains is in network with 8 carriers, including Elevance, United Healthcare and Blue Cross Blue Shield of Michigan. PPO plans come from the most carriers, 5. Check the plan with the practice before a visit.
- Elevance
- United Healthcare
- Blue Cross Blue Shield of Michigan
- Aspirus Health Plan
- Baylor Scott and White
- Blue Cross and Blue Shield of Kansas City
- Delta Dental
- HCSC
Plan types Dr. McMains accepts, by number of carriers
- PPO5
- HMO4
- POS4
- EPO2
- Medicare1
Source: Dmand AI Insurance Network Data
Sources for Dr. Merrick James McMains'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 DataDmand AI Org Hierarchy 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. Merrick James McMains
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. Merrick James McMains' NPI number?
Dr. Merrick James McMains' NPI number is 1518964014. It was assigned on June 30, 2005, and it is active in the NPI Registry.
What kind of doctor is Dr. Merrick James McMains?
Dr. Merrick James McMains is a pediatrician in Austin, Texas. The primary specialty in the NPI Registry is Pediatrics Physician (taxonomy code 208000000X).
Where does Dr. Merrick James McMains practice?
Dr. McMains practices at 919 E 32nd St, Austin, TX 78705. Dr. McMains' primary practice is St. David's Medical Center in Austin, Texas, part of HCA Healthcare. Dmand AI also links Dr. McMains to 1 physician office, 1 group practice or clinic and 1 medical group.
What is Dr. Merrick James McMains' office phone number?
The practice phone on file for Dr. McMains is (512) 476-7111.
What is Dr. Merrick James McMains' medical license number?
Dr. McMains holds Texas license L8429, one of the licenses on file in 2 states.
Which states has Dr. Merrick James McMains been licensed in?
Dmand AI has state licenses on file for Dr. McMains in Texas (2004 to 2027) and Tennessee (2003 to 2005).
Which hospitals is Dr. Merrick James McMains affiliated with?
Dr. McMains practices at St. David's Medical Center in Austin, Texas.
What medical group is Dr. Merrick James McMains part of?
Dr. McMains is linked to Magella Medical Associates. Dmand AI links Dr. McMains to 1 more medical group.
Is Dr. Merrick James McMains board certified?
Yes. Dr. McMains is board certified in pediatrics by the American Board of Pediatrics.
Where did Dr. Merrick James McMains go to medical school?
Dr. McMains graduated from Texas Tech University Health Sciences Center School of Medicine in 2000.
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Has Dr. Merrick James McMains received payments from drug or device companies?
CMS Open Payments shows $507 in general payments to Dr. McMains from 13 companies from 2016 to 2025. The largest total came from Cranial Technologies, Inc.
How long has Dr. Merrick James McMains been practicing?
Dr. McMains graduated from medical school in 2000, 26 years ago.
What insurance does Dr. Merrick James McMains accept?
Dr. McMains is in network with 8 carriers, including Elevance, United Healthcare and Blue Cross Blue Shield of Michigan. PPO plans come from the most carriers, 5. Check the plan with the practice before a visit.
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