Dr. Marielle Mae Beamesderfer, MD
- Part D claims, 2024
- 23
- Hospital affiliations
- 1
- Industry payments
- $21
- Medical groups
- 3
- State license
- 1
- Practice address
- 455 S Main St, Orange, CA 92868
- Practice phone
- Call (714) 532-8334
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Childrens Hospital of Orange County
Orange, California
Find Dr. Beamesderfer'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. Marielle Mae Beamesderfer is a pediatrician in Orange, California
Dr. Beamesderfer practices at Childrens Hospital of Orange County in Orange, California.
Dr. Beamesderfer's NPI, 1083173041, was assigned on March 18, 2019. Dr. Beamesderfer holds California license A179591.
- NPI
- 1083173041NPI Registry (opens in a new tab)
- NPI enumeration date
- March 18, 2019
- NPI status
- Active
- Practice phone
- (714) 532-8334
- 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 Practice Data
Dr. Marielle Mae Beamesderfer practices at Childrens Hospital of Orange County in Orange, California
Dr. Beamesderfer's primary practice is Childrens Hospital of Orange County, at 455 S Main St, Orange, CA 92868 in Orange County. The practice phone is (714) 532-8334.
- Childrens Hospital of Orange County455 S Main St, Orange, CA 92868 · Orange CountyPhone(714) 532-8334
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Marielle Mae Beamesderfer is affiliated with 2 sites of care and 3 medical groups
Dr. Beamesderfer's primary practice is Childrens Hospital of Orange County in Orange, California. Dr. Beamesderfer is also affiliated with UCI Health - Orange. The medical group on file is CHOC Children's. Dmand AI also links Dr. Beamesderfer to 2 more medical groups, each named with a free account.
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Marielle Mae Beamesderfer's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Beamesderfer practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Childrens Hospital of Orange County | Available with a free account |
| +1 more site and 2 medical groups | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Marielle Mae Beamesderfer is one of 8,236 pediatricians in California
Pediatrics is Dr. Beamesderfer's primary specialty in the NPI Registry, under taxonomy code 208000000X. Dr. Beamesderfer is licensed in California.
Specialties and state licenses
- Pediatrics, CaliforniaPrimary
Pediatricians near Dr. Beamesderfer
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. Marielle Mae Beamesderfer's patients have a median age of 8
Across all payers, Dmand AI patient panel data puts Dr. Beamesderfer's median patient age at 8, with 78% women.
Dr. Beamesderfer's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 8
Patient panel by sex, all payers
- Women78%
- Men22%
Source: Dmand AI Patient Panel Data
Dr. Marielle Mae Beamesderfer wrote 23 Medicare Part D claims in 2024
In 2024, Dr. Beamesderfer wrote 23 Medicare Part D claims. 52% of them were for generic drugs.
Dr. Beamesderfer's Part D claims by kind of drug, 2024
- Generic12 claims52%
- Brand-name and other11 claims48%
Source: Medicare Part D Prescribers - by Provider (CMS), 2024 data
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Filter 7.4M+ HCPs by Medicare procedures, Part D drugs and Open Payments history, then reach them with verified contacts in one login.
Dr. Marielle Mae Beamesderfer received $21 in industry payments in 2024
CMS Open Payments shows 1 general payment to Dr. Beamesderfer from 1 drug or device company in 2024. Food and beverage make up the largest share, 100% of the total. Bristol-Myers Squibb Company paid the most, $21.
Companies that paid Dr. Beamesderfer the most, 2024 to 2024
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Dr. Marielle Mae Beamesderfer'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 |
| Primary practice, affiliations and health system | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand AI Affiliation DataDmand AI Org Hierarchy Data |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel Data |
| Part D prescribing | Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab) |
| 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. Marielle Mae Beamesderfer
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. Marielle Mae Beamesderfer's NPI number?
Dr. Marielle Mae Beamesderfer's NPI number is 1083173041. It was assigned on March 18, 2019, and it is active in the NPI Registry.
What kind of doctor is Dr. Marielle Mae Beamesderfer?
Dr. Marielle Mae Beamesderfer is a pediatrician in Orange, California. The primary specialty in the NPI Registry is Pediatrics Physician (taxonomy code 208000000X).
Where does Dr. Marielle Mae Beamesderfer practice?
Dr. Beamesderfer practices at 455 S Main St, Orange, CA 92868. Dr. Beamesderfer's primary practice is Childrens Hospital of Orange County in Orange, California. Dmand AI also links Dr. Beamesderfer to 2 medical groups.
What is Dr. Marielle Mae Beamesderfer's office phone number?
The practice phone on file for Dr. Beamesderfer is (714) 532-8334.
What is Dr. Marielle Mae Beamesderfer's medical license number?
Dr. Beamesderfer holds California license A179591.
Which hospitals is Dr. Marielle Mae Beamesderfer affiliated with?
Dr. Beamesderfer is affiliated with UCI Health - Orange.
What medical group is Dr. Marielle Mae Beamesderfer part of?
Dr. Beamesderfer is linked to CHOC Children's. Dmand AI links Dr. Beamesderfer to 2 more medical groups.
Has Dr. Marielle Mae Beamesderfer received payments from drug or device companies?
CMS Open Payments shows $21 in general payments to Dr. Beamesderfer from 1 company from 2024 to 2024. The largest total came from Bristol-Myers Squibb Company.
How long has Dr. Marielle Mae Beamesderfer been practicing?
Dr. Beamesderfer's NPI was assigned in 2019.
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