Dr. Rachel Lynn Marek, MD
- Hospital affiliations
- 1
- Industry payments
- $24
- Medical group
- 1
- State licenses
- 2
- Year NPI issued
- 2006
- Practice address
- 6621 Fannin Street, Houston, TX 77030
- Practice phone
- Call (832) 824-1000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Marek'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. Rachel Lynn Marek is a pediatrician in Houston, Texas
Dr. Marek practices at Texas Children's Hospital in Houston, Texas, part of Texas Children's Hospital.
Dr. Marek's NPI, 1831203926, was assigned on August 18, 2006. Dr. Marek holds Texas license R0277.
- NPI
- 1831203926NPI Registry (opens in a new tab)
- NPI enumeration date
- August 18, 2006
- NPI status
- Active
- Practice phone
- (832) 824-1000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Affiliation Data
Dr. Rachel Lynn Marek practices at Texas Children's Hospital in Houston, Texas
Dr. Marek's primary practice is Texas Children's Hospital, at 6621 Fannin Street, Houston, TX 77030 in Harris County. The practice phone is (832) 824-1000.
- Texas Children's Hospital6621 Fannin Street, Houston, TX 77030 · Harris CountyPhone(832) 824-1000
Source: Dmand AI Affiliation Data
Dr. Rachel Lynn Marek is affiliated with 1 site of care and 1 medical group
Dr. Marek's primary practice is Texas Children's Hospital in Houston, Texas, part of Texas Children's Hospital. The medical group on file is Texas Children's Hospital.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Rachel Lynn Marek's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Marek practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Texas Children's Hospital | Available with a free account |
Source: Dmand AI Technology Install Data
For health IT teams
Dmand AI maps EHR vendors, IT decision makers and buying committees across Texas Children's Hospital and 6.2K+ hospitals, with verified contacts in the same login.
Dr. Rachel Lynn Marek is one of 4,833 pediatricians in Texas
Pediatrics is Dr. Marek's primary specialty in the NPI Registry, under taxonomy code 208000000X. Dmand AI has Dr. Marek's licenses on file in 2 states: Texas and California.
Specialties and state licenses
- Pediatrics, TexasPrimary
- Hospitalist, California
Pediatricians near Dr. Marek
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. Rachel Lynn Marek's patients have a median age of 4
Across all payers, Dmand AI patient panel data puts Dr. Marek's median patient age at 4, with 33% women.
Dr. Marek's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 4
Patient panel by sex, all payers
- Women33%
- Men67%
Source: Dmand AI Patient Panel Data
Dr. Rachel Lynn Marek received $24 in industry payments in 2019
CMS Open Payments shows 1 general payment to Dr. Marek from 1 drug or device company in 2019. Food and beverage make up the largest share, 100% of the total. Mallinckrodt Enterprises LLC paid the most, $24.
Companies that paid Dr. Marek the most, 2019 to 2019
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Dr. Rachel Lynn Marek'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) |
| 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. Rachel Lynn Marek
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. Rachel Lynn Marek's NPI number?
Dr. Rachel Lynn Marek's NPI number is 1831203926. It was assigned on August 18, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Rachel Lynn Marek?
Dr. Rachel Lynn Marek is a pediatrician in Houston, Texas. The primary specialty in the NPI Registry is Pediatrics Physician (taxonomy code 208000000X).
Where does Dr. Rachel Lynn Marek practice?
Dr. Marek practices at 6621 Fannin Street, Houston, TX 77030. Dr. Marek's primary practice is Texas Children's Hospital in Houston, Texas, part of Texas Children's Hospital.
What is Dr. Rachel Lynn Marek's office phone number?
The practice phone on file for Dr. Marek is (832) 824-1000.
What is Dr. Rachel Lynn Marek's medical license number?
Dr. Marek holds Texas license R0277, one of the licenses on file in 2 states.
Which states has Dr. Rachel Lynn Marek been licensed in?
Dmand AI has state licenses on file for Dr. Marek in Texas and California.
Which hospitals is Dr. Rachel Lynn Marek affiliated with?
Dr. Marek practices at Texas Children's Hospital in Houston, Texas.
What medical group is Dr. Rachel Lynn Marek part of?
Dr. Marek is linked to Texas Children's Hospital.
Has Dr. Rachel Lynn Marek received payments from drug or device companies?
CMS Open Payments shows $24 in general payments to Dr. Marek from 1 company from 2019 to 2019. The largest total came from Mallinckrodt Enterprises LLC.
How long has Dr. Rachel Lynn Marek been practicing?
Dr. Marek's NPI was assigned in 2006.
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