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Dr. Wynnson W. Tom, MD
NPI1902128028PAC ID6406049246
- Medicare services, 2024
- 16
- Medicare patients, 2024
- 127
- Publications
- 3
- Hospital affiliations
- 2
- Industry payments
- $657
- Practice address
- 14662 Newport Ave, Tustin, CA 92780
- Practice phone
- Call (714) 619-7700
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Tom'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. Wynnson W. Tom is an anesthesiologist in Tustin, California
Dr. Tom practices at Foothill Regional Medical Center in Tustin, California, part of Astrana Health.
Dr. Tom's NPI, 1902128028, was assigned on February 16, 2010. Dr. Tom graduated from UCSF School of Medicine in 2006. Dr. Tom's California license number on file is A101740.
NPI and contact details
- NPI
- 1902128028NPI Registry (opens in a new tab)
- Medicare PAC ID
- 6406049246
- NPI enumeration date
- February 16, 2010
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (714) 619-7700
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 46
- Medical school graduation
- 2006
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Wynnson W. Tom practices at Foothill Regional Medical Center in Tustin, California
Dr. Tom's primary practice is Foothill Regional Medical Center, at 14662 Newport Ave, Tustin, CA 92780 in Orange County. The practice phone is (714) 619-7700.
- Foothill Regional Medical Center14662 Newport Ave, Tustin, CA 92780 · Orange CountyPhone(714) 619-7700
Source: Dmand AI Affiliation Data
Dr. Wynnson W. Tom is affiliated with 2 sites of care and 1 medical group
Dr. Tom's primary practice is Foothill Regional Medical Center in Tustin, California, part of Astrana Health. Dr. Tom is also affiliated with Chapman Global Medical Center. The medical group on file is Orange Coast Anesthesia.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Wynnson W. Tom's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Tom practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Foothill Regional Medical Center | Available with a free account |
| +1 more affiliated site | Available with a free account |
Source: Dmand AI Technology Install Data
For health IT teams
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Dr. Wynnson W. Tom is one of 6,593 anesthesiologists in California
Anesthesiology is Dr. Tom's primary specialty in the NPI Registry, under taxonomy code 207L00000X. Dr. Tom is board certified in anesthesiology by the American Board of Anesthesiology. Dr. Tom has a license on file in California.
Specialties and state licenses
- Anesthesiology, CaliforniaPrimary
Anesthesiologists near Dr. Tom
Counts of anesthesiologists with a Dmand AI profile, by place and practice. Each opens the list.
6,593anesthesiologists in California
4anesthesiologists in Tustin
3anesthesiologists at Foothill Regional Medical CenterSources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Dr. Wynnson W. Tom billed Medicare for 16 services in 2024
CMS data shows 16 Medicare services from Dr. Tom across 1 procedure code in 2024, for 127 Medicare patients. Medicare paid $1,876 for them. Every service was in a facility, such as a hospital, rather than an office.
Medicare services, 202416
Medicare patients127
Paid by Medicare$1,876
Procedure codes1
Dr. Tom's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Anesthesia
- 2023: 4572024: 1696%
- Imaging
- 2023: 542024: 0100%
- Surgery
- 2023: 1442024: 0100%
Dr. Tom compared with the California median for anesthesiologists, 2024
- Dr. Tom
- California median
- Medicare services
- 16vs 7278% below
- Medicare patients
- 127vs 14311% below
Medians across 5,562 anesthesiologists in California with Dmand AI profiles that report each measure.
Dr. Tom's most billed Medicare procedure codes, 2024
CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.
Need commercial claims for Dr. Tom?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Tom and other anesthesiologists in California.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Wynnson W. Tom treated 127 Medicare patients in 2024, average age 73
CMS counts 127 Medicare patients who saw Dr. Tom in 2024. The largest group is 65 to 74, with 53 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 66% are also on Medicaid. Their average risk score is 2.98, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.
Across all payers, Dmand AI patient panel data puts Dr. Tom's median patient age at 62, with 55% women.
Medicare patients, 2024127
Average age73
Average risk score2.98
Also on Medicaid66%
Dr. Tom's Medicare patients by age, 2024
Dr. Tom's Medicare patients by sex, 2024
- Women6350%
- Men6450%
Chronic conditions among Dr. Tom's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Arthritis65%
- Diabetes60%
- Ischemic heart disease54%
- Chronic kidney disease50%
- Mood disorders46%
- Depression45%
Share of Medicare patients with each condition. A patient can have several.
Dr. Tom's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 62
Patient panel by sex, all payers
- Women55%
- Men45%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
How Dr. Wynnson W. Tom takes part in Medicare
Dr. Tom accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
For MedTech and pharma teams
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Dr. Wynnson W. Tom has 3 publications on record
Dmand AI links 3 papers to Dr. Tom.
Papers3
Recent publications by Dr. Tom
Anti-Bacterial AgentsBronchiBronchoalveolar Lavage Fluid
See who Dr. Tom researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Tom works with, so you can find a warm path to the right anesthesiologists.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. Wynnson W. Tom received $657 in industry payments from 2016 to 2024
CMS Open Payments shows 18 general payments to Dr. Tom from 8 drug and device companies from 2016 to 2024. Food and beverage make up the largest share, 100% of the total. Mallinckrodt LLC paid the most, $340.
General payments to Dr. Tom by program year, 2016 to 2024
Companies that paid Dr. Tom the most, 2016 to 2024
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Wynnson W. Tom graduated from UCSF School of Medicine
Dr. Tom graduated from UCSF School of Medicine in 2006.
- Medical school
- Board certified in anesthesiology
Source: Dmand AI Professional Profile Data
Dr. Wynnson W. Tom accepts plans from 6 insurance carriers
Dr. Tom is in network with 6 carriers, including United Healthcare, Aspirus Health Plan and Blue Cross and Blue Shield of Kansas City. PPO plans come from the most carriers, 3. Check the plan with the practice before a visit.
- United Healthcare
- Aspirus Health Plan
- Blue Cross and Blue Shield of Kansas City
- CMS Medicare
- Elevance
- HCSC
Plan types Dr. Tom accepts, by number of carriers
- PPO3
- Medicare2
- POS2
- EPO1
- HMO1
Source: Dmand AI Insurance Network Data
Sources for Dr. Wynnson W. Tom'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 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 DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab) |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians National Downloadable File (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 |
| 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. Wynnson W. Tom
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. Wynnson W. Tom's NPI number?
Dr. Wynnson W. Tom's NPI number is 1902128028. It was assigned on February 16, 2010, and it is active in the NPI Registry.
What kind of doctor is Dr. Wynnson W. Tom?
Dr. Wynnson W. Tom is an anesthesiologist in Tustin, California. The primary specialty in the NPI Registry is Anesthesiology Physician (taxonomy code 207L00000X).
Where does Dr. Wynnson W. Tom practice?
Dr. Tom practices at 14662 Newport Ave, Tustin, CA 92780. Dr. Tom's primary practice is Foothill Regional Medical Center in Tustin, California, part of Astrana Health.
What is Dr. Wynnson W. Tom's office phone number?
The practice phone on file for Dr. Tom is (714) 619-7700.
What is Dr. Wynnson W. Tom's medical license number?
Dr. Tom's California license number on file is A101740.
Which hospitals is Dr. Wynnson W. Tom affiliated with?
Dr. Tom practices at Foothill Regional Medical Center in Tustin, California. Dr. Tom is also affiliated with Chapman Global Medical Center.
What medical group is Dr. Wynnson W. Tom part of?
Dr. Tom is linked to Orange Coast Anesthesia.
Does Dr. Wynnson W. Tom accept Medicare?
Yes. CMS data shows Dr. Tom billed Medicare for 16 services in 2024, and Dr. Tom accepts Medicare assignment.
How many Medicare patients does Dr. Wynnson W. Tom see?
CMS counts 127 Medicare patients who saw Dr. Tom in 2024, with an average age of 73.
Is Dr. Wynnson W. Tom board certified?
Yes. Dr. Tom is board certified in anesthesiology by the American Board of Anesthesiology.
Show 6 more questionsShow fewer questions
What services does Dr. Wynnson W. Tom bill to Medicare?
In 2024, Dr. Tom's most billed Medicare services were anesthesia (00731).
Where did Dr. Wynnson W. Tom go to medical school?
Dr. Tom graduated from UCSF School of Medicine in 2006.
Has Dr. Wynnson W. Tom received payments from drug or device companies?
CMS Open Payments shows $657 in general payments to Dr. Tom from 8 companies from 2016 to 2024. The largest total came from Mallinckrodt LLC.
How long has Dr. Wynnson W. Tom been practicing?
Dr. Tom graduated from medical school in 2006, 20 years ago.
Does Dr. Wynnson W. Tom do research?
Dmand AI links 3 publications to Dr. Tom.
What insurance does Dr. Wynnson W. Tom accept?
Dr. Tom is in network with 6 carriers, including United Healthcare, Aspirus Health Plan and Blue Cross and Blue Shield of Kansas City. PPO plans come from the most carriers, 3. Check the plan with the practice before a visit.
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