Dr. Fiona Baerveldt Wertheimer, DO
- Publications
- 5
- Hospital affiliations
- 1
- Industry payments
- $465
- Insurance carriers
- 5
- State licenses
- 3
- Practice address
- 2051 Marengo St, Room C2K100, Los Angeles, CA 90033
- Practice phone
- Call (323) 226-2800
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Wertheimer'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. Fiona Baerveldt Wertheimer is a neonatologist in Los Angeles, California
Dr. Wertheimer practices at Los Angeles General Medical Center in Los Angeles, California, part of County of Los Angeles.
Dr. Wertheimer's NPI, 1174672885, was assigned on January 10, 2007. Dr. Wertheimer graduated from Heritage College of Osteopathic Medicine in 2004. Dr. Wertheimer holds California license 2OA10827.
- NPI
- 1174672885NPI Registry (opens in a new tab)
- NPI enumeration date
- January 10, 2007
- NPI status
- Active
- Practice phone
- (323) 226-2800
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Medical school graduation
- 2004
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Affiliation Data
Dr. Fiona Baerveldt Wertheimer practices at Los Angeles General Medical Center in Los Angeles, California
Dr. Wertheimer's primary practice is Los Angeles General Medical Center, at 2051 Marengo St, Room C2K100, Los Angeles, CA 90033 in Los Angeles County. The practice phone is (323) 226-2800.
- Los Angeles General Medical Center2051 Marengo St, Room C2K100, Los Angeles, CA 90033 · Los Angeles CountyPhone(323) 226-2800
Source: Dmand AI Affiliation Data
Dr. Fiona Baerveldt Wertheimer is affiliated with 1 site of care
Dr. Wertheimer's primary practice is Los Angeles General Medical Center in Los Angeles, California, part of County of Los Angeles. Dr. Wertheimer's employer is on file too: a hospital.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Fiona Baerveldt Wertheimer's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Wertheimer practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Los Angeles General Medical Center | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Fiona Baerveldt Wertheimer is one of 780 neonatologists in California
Neonatal-perinatal medicine is Dr. Wertheimer's primary specialty in the NPI Registry, under taxonomy code 2080N0001X. Dr. Wertheimer is board certified in neonatal-perinatal medicine by the American Board of Pediatrics. Dmand AI has Dr. Wertheimer's licenses on file in 3 states: California, Florida and Ohio.
Specialties and state licenses
- Neonatal-perinatal medicine, CaliforniaPrimary
- Florida license
- Ohio license
Neonatologists near Dr. Wertheimer
Counts of neonatologists 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. Fiona Baerveldt Wertheimer's patients have a median age of 30
Across all payers, Dmand AI patient panel data puts Dr. Wertheimer's median patient age at 30, with 94% women.
Dr. Wertheimer's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 30
Patient panel by sex, all payers
- Women94%
- Men6%
Source: Dmand AI Patient Panel Data
Dr. Fiona Baerveldt Wertheimer has 5 publications on record
Dmand AI links 5 papers to Dr. Wertheimer, published from 2016 to 2020. 2016 was the busiest year, with 2. The most frequent topics are Infant, Premature, Enterocolitis, Necrotizing and Infant, Premature, Diseases. Dr. Wertheimer's most frequent co-authors are Manoj A. Biniwale, MD, Victoria Ninon Olivia Niklas, MD and David H. Adamkin, MD.
Dr. Wertheimer's papers by year, 2016 to 2020
Topics Dr. Wertheimer writes about most
- Infant, Premature
- Enterocolitis, Necrotizing
- Infant, Premature, Diseases
Dr. Wertheimer's most frequent co-authors
- Manoj A. Biniwale, MD2 shared papers
- Victoria Ninon Olivia Niklas, MD2 shared papers
- David H. Adamkin, MD1 shared paper
Recent publications by Dr. Wertheimer
J Pediatr
Pediatr Rev
See who Dr. Wertheimer researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Wertheimer works with, so you can find a warm path to the right neonatologists.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. Fiona Baerveldt Wertheimer received $465 in industry payments from 2019 to 2025
CMS Open Payments shows 11 general payments to Dr. Wertheimer from 3 drug and device companies from 2019 to 2025. Food and beverage make up the largest share, 86% of the total. Chiesi USA, Inc. paid the most, $327.
General payments to Dr. Wertheimer by program year, 2019 to 2025
General payments to Dr. Wertheimer by kind, 2019 to 2025
- Food and beverage$39986%
- Education$6514%
Companies that paid Dr. Wertheimer the most, 2019 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Fiona Baerveldt Wertheimer graduated from Heritage College of Osteopathic Medicine
Dr. Wertheimer graduated from Heritage College of Osteopathic Medicine in 2004.
- Medical school
- Board certified in neonatal-perinatal medicine
- Board certified in pediatrics
Source: Dmand AI Professional Profile Data
Dr. Fiona Baerveldt Wertheimer accepts plans from 5 insurance carriers
Dr. Wertheimer is in network with 5 carriers, including Aetna, LA Care and United Healthcare. Medicare plans come from the most carriers, 3. Check the plan with the practice before a visit.
- Aetna
- LA Care
- United Healthcare
- Molina
- NV State Medicaid
Plan types Dr. Wertheimer accepts, by number of carriers
- Medicare3
- HMO2
- Medicaid2
- PPO2
- EPO1
- POS1
Source: Dmand AI Insurance Network Data
Sources for Dr. Fiona Baerveldt Wertheimer'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 |
| Publications, topics and co-authors | PubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage |
| 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. Fiona Baerveldt Wertheimer
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. Fiona Baerveldt Wertheimer's NPI number?
Dr. Fiona Baerveldt Wertheimer's NPI number is 1174672885. It was assigned on January 10, 2007, and it is active in the NPI Registry.
What kind of doctor is Dr. Fiona Baerveldt Wertheimer?
Dr. Fiona Baerveldt Wertheimer is a neonatologist in Los Angeles, California. The primary specialty in the NPI Registry is Neonatal-Perinatal Medicine Physician (taxonomy code 2080N0001X).
Where does Dr. Fiona Baerveldt Wertheimer practice?
Dr. Wertheimer practices at 2051 Marengo St, Room C2K100, Los Angeles, CA 90033. Dr. Wertheimer's primary practice is Los Angeles General Medical Center in Los Angeles, California, part of County of Los Angeles.
What is Dr. Fiona Baerveldt Wertheimer's office phone number?
The practice phone on file for Dr. Wertheimer is (323) 226-2800.
What is Dr. Fiona Baerveldt Wertheimer's medical license number?
Dr. Wertheimer holds California license 2OA10827, one of the licenses on file in 3 states.
Which states has Dr. Fiona Baerveldt Wertheimer been licensed in?
Dmand AI has state licenses on file for Dr. Wertheimer in California (2009 to 2026), Florida (2008 to 2010) and Ohio (2004 to 2005).
Which hospitals is Dr. Fiona Baerveldt Wertheimer affiliated with?
Dr. Wertheimer practices at Los Angeles General Medical Center in Los Angeles, California.
Is Dr. Fiona Baerveldt Wertheimer board certified?
Yes. Dr. Wertheimer is board certified in neonatal-perinatal medicine by the American Board of Pediatrics.
Where did Dr. Fiona Baerveldt Wertheimer go to medical school?
Dr. Wertheimer graduated from Heritage College of Osteopathic Medicine in 2004.
Has Dr. Fiona Baerveldt Wertheimer received payments from drug or device companies?
CMS Open Payments shows $465 in general payments to Dr. Wertheimer from 3 companies from 2019 to 2025. The largest total came from Chiesi USA, Inc.
Show 4 more questionsShow fewer questions
How long has Dr. Fiona Baerveldt Wertheimer been practicing?
Dr. Wertheimer graduated from medical school in 2004, 22 years ago.
Does Dr. Fiona Baerveldt Wertheimer do research?
Dmand AI links 5 publications to Dr. Wertheimer, published from 2016 to 2020.
Who does Dr. Fiona Baerveldt Wertheimer publish with?
Dr. Wertheimer's most frequent co-authors are Manoj A. Biniwale, MD (2 shared papers), Victoria Ninon Olivia Niklas, MD (2 shared papers) and David H. Adamkin, MD (1 shared paper).
What insurance does Dr. Fiona Baerveldt Wertheimer accept?
Dr. Wertheimer is in network with 5 carriers, including Aetna, LA Care and United Healthcare. Medicare plans come from the most carriers, 3. Check the plan with the practice before a visit.
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