Marielle Mae Beamesderfer, MD
Pediatrics Physician · Orange, CA
Marielle Mae Beamesderfer, MD is a pediatrics physician with a practice address in Orange, California, and NPI 1083173041, issued on Mar 18, 2019. Check the license (California A179591, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Marielle Mae Beamesderfer
- Credential
- MD
- Primary taxonomy
- Pediatrics Physician 208000000X
- License number
- A179591 CA
Self-reported in NPPES; status is on the state search - Practice location
- 101 The City Dr S, Orange, CA 92868
- Phone
- (714) 880-7812
- Enumerated
- Mar 18, 2019
- Record last updated
- Nov 1, 2022
- Entity
- Type 1 · individual
8 nearest pediatrics physician records → All 9,272 in California → Look up another NPI →
Also registered at 101 The City Dr S
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Danny Abad, PAPhysician Assistant1477158673
- Edward AbaradoStudent in an Organized Health Care Education/Training Program1912855198
- Nagina Abdiani, DOGeriatric Medicine (Family Medicine) Physician1518543271
- Mariam Abdul-Latif, M.D.Pediatrics Physician1538418884
- Eric AbelloOtolaryngology Physician1922566215
- Brandon Abeyta, MDAnesthesiology Physician1841291804
Verify Marielle Mae Beamesderfer in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A179591Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
94% fewer Medicare Part D claims than the average pediatrics physician in 2024
23 Medicare Part D claims, against an average of 375 among the 5,609 providers of this specialty who prescribed in Part D.
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Industry payments in 2024: $21.49
1 payment: food and beverage; the largest payer was E.R. Squibb & Sons, L.L.C. The 21,580 providers of this specialty with any payment received $842.05 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Marielle Mae Beamesderfer among 9,272 pediatrics physician records in California
Marielle Mae Beamesderfer, MD is one of 9,272 pediatrics physician records with a practice address in California. 31% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2019, is newer than 89% of them.
- NPI issued2019 · 89% of these records are older, 9% newer
- In a Medicare fileYes · 31% of these records are
- In the CMS Doctors and Clinicians fileNo · 8% of these records are
- Record last updated2022 · 65% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 208000000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
229 pediatrics physician records list a practice address in Orange
They are 229 of the 13,245 NPPES records with a practice address in Orange, and 9,272 pediatrics physician records in California.
All 9,272 in California → Every provider in Orange → Pediatrics Physician nationwide →
The 8 pediatrics physician records with the nearest ZIP codes
- Angela Allevato, M.D.Orange, CA 928681588609382
- Katherine Andreeff, M.D.Orange, CA 928681295827939
- Jeffrey Armstrong, M.D.Orange, CA 928681376641548
- Donald Bendig, M.D.Orange, CA 928681952409138
- Richard Chang, M.D.Orange, CA 928681043317910
- Sophia Jones, M.D. PH.D.Orange, CA 928681184637308
- James Korb, MDOrange, CA 928681194735076
- Sheldon Nankin, MDOrange, CA 928681235124322
Common questions
What is Marielle Mae Beamesderfer, MD's NPI number?
Marielle Mae Beamesderfer, MD's National Provider Identifier (NPI) is 1083173041, issued on Mar 18, 2019. An NPI identifies a provider in billing; it is not a license.
Where is Marielle Mae Beamesderfer, MD located?
The NPPES record lists a practice address at 101 The City Dr S, Orange, CA, 92868. Phone: (714) 880-7812. Providers update this record themselves, so call before visiting.
How can I verify Marielle Mae Beamesderfer, MD's license?
NPPES lists California license number A179591, as entered by the provider. Search the Medical Board of California at https://www.mbc.ca.gov/License-Verification/default.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Marielle Mae Beamesderfer, MD prescribe under Medicare Part D?
In 2024, Marielle Mae Beamesderfer, MD had 23 Medicare Part D claims; the average among pediatrics physician prescribers was 375. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.