Dr. Fiona Chai-Tom, DO
- Part D claims, 2024
- 176
- Hospital affiliations
- 2
- Medical group
- 1
- Insurance carriers
- 2
- State license
- 1
- Practice address
- 27300 Iris Avenue, Moreno Valley, CA 92555
- Practice phone
- Call (951) 251-6530
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Chai-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. Fiona Chai-Tom is an internist in Moreno Valley, California
Dr. Chai-Tom practices at Moreno Valley Medical Center in Moreno Valley, California, part of Kaiser Permanente.
Dr. Chai-Tom's NPI, 1174104848, was assigned on April 15, 2021. Dr. Chai-Tom graduated from WesternU College of Osteopathic Medicine of the Pacific-Northwest - Lebanon in 2021. Dr. Chai-Tom holds California license 20A20694.
- NPI
- 1174104848NPI Registry (opens in a new tab)
- Medicare PAC ID
- 5496281859
- NPI enumeration date
- April 15, 2021
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (951) 251-6530
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 31
- Medical school graduation
- 2021
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Fiona Chai-Tom practices at Moreno Valley Medical Center in Moreno Valley, California
Dr. Chai-Tom's primary practice is Moreno Valley Medical Center, at 27300 Iris Avenue, Moreno Valley, CA 92555 in Riverside County. The practice phone is (951) 251-6530.
- Moreno Valley Medical Center27300 Iris Avenue, Moreno Valley, CA 92555 · Riverside CountyPhone(951) 251-6530
Source: Dmand AI Affiliation Data
Dr. Fiona Chai-Tom is affiliated with 2 sites of care and 1 medical group
Dr. Chai-Tom's primary practice is Moreno Valley Medical Center in Moreno Valley, California, part of Kaiser Permanente. Dr. Chai-Tom is also affiliated with Riverside Medical Center. The medical group on file is Southern California Permanente Medical Group.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Fiona Chai-Tom's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Chai-Tom practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Moreno Valley Medical Center | 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. Fiona Chai-Tom is one of 16,751 internists in California
Internal medicine is Dr. Chai-Tom's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dr. Chai-Tom is board certified in internal medicine by the American Board of Internal Medicine. Dr. Chai-Tom is licensed in California.
Specialties and state licenses
- Internal medicine, CaliforniaPrimary
Internists near Dr. Chai-Tom
Counts of internists 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 Chai-Tom's patients have a median age of 74
Across all payers, Dmand AI patient panel data puts Dr. Chai-Tom's median patient age at 74, with 55% women.
Dr. Chai-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 74
Patient panel by sex, all payers
- Women55%
- Men44%
Source: Dmand AI Patient Panel Data
Dr. Fiona Chai-Tom wrote 176 Medicare Part D claims in 2024
In 2024, Dr. Chai-Tom wrote 176 Medicare Part D claims for 64 patients. 94% of them were for generic drugs. CMS names the drug for 52 of them, across 4 drugs with 11 or more claims each, at $758 in total drug cost.
Dr. Chai-Tom's Part D claims by kind of drug, 2024
- Generic166 claims94%
- Brand-name and other10 claims6%
Dr. Chai-Tom's most prescribed drugs by claims, 2023
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
Drug classes CMS tracks in Dr. Chai-Tom's Part D claims, 2024
- Antibiotics9%16 of 176 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
Sources: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026; and Medicare Part D Prescribers - by Provider (CMS), 2024 data
How Dr. Fiona Chai-Tom takes part in Medicare
Dr. Chai-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)
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Dr. Fiona Chai-Tom graduated from WesternU College of Osteopathic Medicine of the Pacific-Northwest - Lebanon
Dr. Chai-Tom graduated from WesternU College of Osteopathic Medicine of the Pacific-Northwest - Lebanon in 2021.
- Medical school
- Board certified in internal medicine
Source: Dmand AI Professional Profile Data
Dr. Fiona Chai-Tom accepts plans from 2 insurance carriers
Dr. Chai-Tom is in network with 2 carriers, including Kaiser Permanente and CMS Medicare. EPO plans come from the most carriers, 1. Check the plan with the practice before a visit.
- Kaiser Permanente
- CMS Medicare
Plan types Dr. Chai-Tom accepts, by number of carriers
- EPO1
- HMO1
- Medicare1
- POS1
Source: Dmand AI Insurance Network Data
Sources for Dr. Fiona Chai-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 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)Medicare Part D Prescribers - 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) |
| 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 Chai-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. Fiona Chai-Tom's NPI number?
Dr. Fiona Chai-Tom's NPI number is 1174104848. It was assigned on April 15, 2021, and it is active in the NPI Registry.
What kind of doctor is Dr. Fiona Chai-Tom?
Dr. Fiona Chai-Tom is an internist in Moreno Valley, California. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).
Where does Dr. Fiona Chai-Tom practice?
Dr. Chai-Tom practices at 27300 Iris Avenue, Moreno Valley, CA 92555. Dr. Chai-Tom's primary practice is Moreno Valley Medical Center in Moreno Valley, California, part of Kaiser Permanente.
What is Dr. Fiona Chai-Tom's office phone number?
The practice phone on file for Dr. Chai-Tom is (951) 251-6530.
What is Dr. Fiona Chai-Tom's medical license number?
Dr. Chai-Tom holds California license 20A20694.
Which hospitals is Dr. Fiona Chai-Tom affiliated with?
Dr. Chai-Tom practices at Moreno Valley Medical Center in Moreno Valley, California. Dr. Chai-Tom is also affiliated with Riverside Medical Center.
What medical group is Dr. Fiona Chai-Tom part of?
Dr. Chai-Tom is linked to Southern California Permanente Medical Group.
Does Dr. Fiona Chai-Tom accept Medicare?
Yes. CMS lists Dr. Chai-Tom as accepting Medicare assignment.
Is Dr. Fiona Chai-Tom board certified?
Yes. Dr. Chai-Tom is board certified in internal medicine by the American Board of Internal Medicine.
Where did Dr. Fiona Chai-Tom go to medical school?
Dr. Chai-Tom graduated from WesternU College of Osteopathic Medicine of the Pacific-Northwest - Lebanon in 2021.
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What drugs does Dr. Fiona Chai-Tom prescribe most?
In 2023 Medicare Part D data, Dr. Chai-Tom's most prescribed drugs by claims were Amlodipine Besylate, Bisoprolol Fumarate and Hydralazine HCl.
How long has Dr. Fiona Chai-Tom been practicing?
Dr. Chai-Tom graduated from medical school in 2021, 5 years ago.
What insurance does Dr. Fiona Chai-Tom accept?
Dr. Chai-Tom is in network with 2 carriers, including Kaiser Permanente and CMS Medicare. EPO plans come from the most carriers, 1. Check the plan with the practice before a visit.
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