Dr. Theodore William Heyming, MD
- Medicare services, 2019
- 88
- Part D claims, 2022
- 11
- Publications
- 51
- Hospital affiliations
- 1
- Industry payments
- $646
- Practice address
- 1201 W La Veta Ave, Orange, CA 92868
- Practice phone
- Call (714) 997-3000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Children's Hospital of Orange County Main Campus
Orange, California
Find Dr. Heyming'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. Theodore William Heyming is an emergency medicine physician in Orange, California
Dr. Heyming practices at Children's Hospital of Orange County Main Campus in Orange, California.
Dr. Heyming's NPI, 1831308832, was assigned on May 22, 2007. Dr. Heyming graduated from David Geffen School of Medicine at UCLA in 2004. Dr. Heyming holds California license A93062.
- NPI
- 1831308832NPI Registry (opens in a new tab)
- NPI enumeration date
- May 22, 2007
- NPI status
- Active
- Practice phone
- (714) 997-3000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Medical school graduation
- 2004
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Practice Data
Dr. Theodore William Heyming practices at Children's Hospital of Orange County Main Campus in Orange, California
Dr. Heyming's primary practice is Children's Hospital of Orange County Main Campus, at 1201 W La Veta Ave, Orange, CA 92868 in Orange County. The practice phone is (714) 997-3000.
- Children's Hospital of Orange County Main Campus1201 W La Veta Ave, Orange, CA 92868 · Orange CountyPhone(714) 997-3000
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Theodore William Heyming is affiliated with 2 sites of care and 1 medical group
Dr. Heyming's primary practice is Children's Hospital of Orange County Main Campus in Orange, California. Dr. Heyming is also affiliated with Harbor-UCLA Medical Center. The medical group on file is Emergency Medicine Specialists of Orange County.
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. Theodore William Heyming's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Heyming practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Children's Hospital of Orange County Main Campus | Available with a free account |
| +1 more affiliated site | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Theodore William Heyming is one of 7,423 emergency medicine physicians in California
Emergency medicine is Dr. Heyming's primary specialty in the NPI Registry, under taxonomy code 207P00000X. Dr. Heyming is board certified in emergency medicine by the American Board of Emergency Medicine. Dr. Heyming is licensed in California.
Specialties and state licenses
- Emergency medicine, CaliforniaPrimary
Emergency medicine physicians near Dr. Heyming
Counts of emergency medicine physicians 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. Theodore William Heyming billed Medicare for 88 services in 2019
CMS data shows 88 Medicare services from Dr. Heyming across 5 procedure codes in 2019. Medicare paid $10,130 for them. Every service was in a facility, such as a hospital, rather than an office.
Dr. Heyming's Medicare services by type, 2018 to 2019
- 2018
- 2019
- Office and hospital visits
- 2018: 3192019: 6779%
- Tests and treatments
- 2018: 1252019: 2183%
- Imaging
- 2018: 522019: 0100%
Dr. Heyming compared with the California median for emergency medicine physicians, 2019
- Dr. Heyming
- California median
- Medicare services
- 88vs 26567% below
- Part D claims
- 11vs 6282% below
Medians across 7,079 emergency medicine physicians in California with Dmand AI profiles that report each measure.
Dr. Heyming's most billed Medicare procedure codes, 2019
CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.
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Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Heyming and other emergency medicine physicians in California.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Theodore William Heyming's patients have a median age of 10
Across all payers, Dmand AI patient panel data puts Dr. Heyming's median patient age at 10, with 47% women.
Dr. Heyming's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 10
Patient panel by sex, all payers
- Women47%
- Men52%
Source: Dmand AI Patient Panel Data
Dr. Theodore William Heyming wrote 11 Medicare Part D claims in 2022
In 2022, Dr. Heyming wrote 11 Medicare Part D claims. They cover 1 drug, with $6,780 in total drug cost. In 2021, CMS named 12 claims across 1 drug.
Dr. Heyming's most prescribed drugs by claims, 2022
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
Part D claims for drugs CMS names, 2021 to 2022
- 2021
- 2022
- Claims for drugs CMS names
- 2021: 122022: 118%
Drugs named by CMS: 1 in 2022, 1 in 2021.
Source: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026
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Dr. Theodore William Heyming has 51 publications on record
Dmand AI links 51 papers to Dr. Heyming, published from 2007 to 2025. 2021 was the busiest year, with 13. The most frequent topics are Emergency Service, Hospital, COVID-19 and Pandemics. Dr. Heyming has published most often in West J Emerg Med. Dr. Heyming's most frequent co-authors are Zeev N. Kain, MD, Terence David Sanger, MD, PhD and William W. Feaster, MD.
Dr. Heyming's papers by year, 2009 to 2025
Topics Dr. Heyming writes about most
- Emergency Service, Hospital
- COVID-19
- Pandemics
- SARS-CoV-2
- Cardiopulmonary Resuscitation
- Emergency Medical Services
- Feeding Behavior
- Health Personnel
Dr. Heyming's most frequent co-authors
- Zeev N. Kain, MD16 shared papers
- Terence David Sanger, MD, PhD5 shared papers
- William W. Feaster, MD4 shared papers
Recent publications by Dr. Heyming
See who Dr. Heyming researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Heyming works with, so you can find a warm path to the right emergency medicine physicians.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. Theodore William Heyming received $646 in industry payments from 2018 to 2023
CMS Open Payments shows 28 general payments to Dr. Heyming from 5 drug and device companies from 2018 to 2023. Food and beverage make up the largest share, 100% of the total. Janssen Pharmaceuticals, Inc paid the most, $554.
General payments to Dr. Heyming by program year, 2018 to 2023
Companies that paid Dr. Heyming the most, 2018 to 2023
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Theodore William Heyming graduated from David Geffen School of Medicine at UCLA
Dr. Heyming graduated from David Geffen School of Medicine at UCLA in 2004. Dr. Heyming is a member of ACEP.
- Medical school
- Board certified in emergency medicine
Source: Dmand AI Professional Profile Data
Sources for Dr. Theodore William Heyming'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 services and procedure codes | Medicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab) |
| State medians for the same specialty | Dmand AI Peer Benchmarks |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel Data |
| Part D prescribing | Medicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab) |
| 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 |
| 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. Theodore William Heyming
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. Theodore William Heyming's NPI number?
Dr. Theodore William Heyming's NPI number is 1831308832. It was assigned on May 22, 2007, and it is active in the NPI Registry.
What kind of doctor is Dr. Theodore William Heyming?
Dr. Theodore William Heyming is an emergency medicine physician in Orange, California. The primary specialty in the NPI Registry is Emergency Medicine Physician (taxonomy code 207P00000X).
Where does Dr. Theodore William Heyming practice?
Dr. Heyming practices at 1201 W La Veta Ave, Orange, CA 92868. Dr. Heyming's primary practice is Children's Hospital of Orange County Main Campus in Orange, California.
What is Dr. Theodore William Heyming's office phone number?
The practice phone on file for Dr. Heyming is (714) 997-3000.
What is Dr. Theodore William Heyming's medical license number?
Dr. Heyming holds California license A93062.
Which hospitals is Dr. Theodore William Heyming affiliated with?
Dr. Heyming is affiliated with Harbor-UCLA Medical Center.
What medical group is Dr. Theodore William Heyming part of?
Dr. Heyming is linked to Emergency Medicine Specialists of Orange County.
Does Dr. Theodore William Heyming accept Medicare?
Yes. CMS data shows Dr. Heyming billed Medicare for 88 services in 2019.
Is Dr. Theodore William Heyming board certified?
Yes. Dr. Heyming is board certified in emergency medicine by the American Board of Emergency Medicine.
What services does Dr. Theodore William Heyming bill to Medicare?
In 2019, Dr. Heyming's most billed Medicare services were critical care (99291), heart test or procedure (93010) and emergency department visit (99284).
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Where did Dr. Theodore William Heyming go to medical school?
Dr. Heyming graduated from David Geffen School of Medicine at UCLA in 2004.
What drugs does Dr. Theodore William Heyming prescribe most?
In 2022 Medicare Part D data, Dr. Heyming's most prescribed drugs by claims were Jardiance.
Has Dr. Theodore William Heyming received payments from drug or device companies?
CMS Open Payments shows $646 in general payments to Dr. Heyming from 5 companies from 2018 to 2023. The largest total came from Janssen Pharmaceuticals, Inc.
How long has Dr. Theodore William Heyming been practicing?
Dr. Heyming graduated from medical school in 2004, 22 years ago.
Does Dr. Theodore William Heyming do research?
Dmand AI links 51 publications to Dr. Heyming, published from 2007 to 2025.
Who does Dr. Theodore William Heyming publish with?
Dr. Heyming's most frequent co-authors are Zeev N. Kain, MD (16 shared papers), Terence David Sanger, MD, PhD (5 shared papers) and William W. Feaster, MD (4 shared papers).
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