Dr. Matthew Christopher Phillips, MD, PhD
- Medicare patients, 2024
- 15
- Part D claims, 2024
- 190
- Hospital affiliations
- 3
- Industry payments
- $68
- Medical groups
- 3
- Practice address
- 10800 Magnolia Avenue, Riverside, CA 92505
- Practice phone
- Call (951) 353-2000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Phillips' professional email, personal email and mobile number
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Dr. Matthew Christopher Phillips is an infectious disease specialist in Riverside, California
Dr. Phillips practices at Riverside Medical Center in Riverside, California, part of Kaiser Permanente.
Dr. Phillips' NPI, 1093274979, was assigned on March 19, 2019. Dr. Phillips graduated from University of Miami, Lm Miller School of Medicine in 2017. Dr. Phillips holds Massachusetts license 1016185.
- NPI
- 1093274979NPI Registry (opens in a new tab)
- Medicare PAC ID
- 8729400494
- NPI enumeration date
- March 19, 2019
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
- Practice phone
- (951) 353-2000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 35
- Medical school graduation
- 2017
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Matthew Christopher Phillips practices at Riverside Medical Center in Riverside, California
Dr. Phillips' primary practice is Riverside Medical Center, at 10800 Magnolia Avenue, Riverside, CA 92505 in Riverside County. The practice phone is (951) 353-2000.
- Riverside Medical Center10800 Magnolia Avenue, Riverside, CA 92505 · Riverside CountyPhone(951) 353-2000
Source: Dmand AI Affiliation Data
Dr. Matthew Christopher Phillips is affiliated with 3 sites of care and 3 medical groups
Dr. Phillips' primary practice is Riverside Medical Center in Riverside, California, part of Kaiser Permanente. Dr. Phillips is also affiliated with Massachusetts General Hospital. The medical group on file is Massachusetts General Hospital. Dmand AI also links Dr. Phillips to 1 more hospital and 2 medical groups, each named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Matthew Christopher Phillips' practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Phillips practices, 3 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Riverside Medical Center | Available with a free account |
| +2 more sites and 2 medical groups | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Matthew Christopher Phillips is one of 1,054 infectious disease specialists in California
Infectious disease is Dr. Phillips' primary specialty in the NPI Registry, under taxonomy code 207RI0200X. Dr. Phillips is licensed in Massachusetts.
Specialties and state licenses
- Infectious disease, MassachusettsPrimary
Infectious disease specialists near Dr. Phillips
Counts of infectious disease specialists 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. Matthew Christopher Phillips treated 15 Medicare patients in 2024, average age 66
CMS counts 15 Medicare patients who saw Dr. Phillips in 2024. 75% of them have high cholesterol. Their average risk score is 1.62, 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. Phillips' median patient age at 63, with 43% women.
Chronic conditions among Dr. Phillips' Medicare patients, 2024
- High cholesterol75%
Share of Medicare patients with each condition. A patient can have several.
Dr. Phillips' patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 63
Patient panel by sex, all payers
- Women43%
- Men53%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Matthew Christopher Phillips wrote 190 Medicare Part D claims in 2024
In 2024, Dr. Phillips wrote 190 Medicare Part D claims for 20 patients. 44% of them were for generic drugs. CMS names the drug for 121 of them, across 7 drugs with 11 or more claims each, at $324,610 in total drug cost. In 2022, CMS named 38 claims across 3 drugs.
Dr. Phillips' Part D claims by kind of drug, 2024
- Generic83 claims44%
- Brand-name107 claims56%
Dr. Phillips' most prescribed drugs by claims, 2024
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. Phillips' Part D claims, 2024
- Antibiotics14%26 of 190 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
Part D claims for drugs CMS names, 2022 to 2024
- 2022
- 2024
- Claims for drugs CMS names
- 2022: 382024: 121218%
Drugs named by CMS: 7 in 2024, 3 in 2022.
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
Dr. Matthew Christopher Phillips offers telehealth to Medicare patients
Dr. Phillips accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Phillips as offering telehealth.
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
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Dr. Matthew Christopher Phillips received $68 in industry payments from 2024 to 2025
CMS Open Payments shows 3 general payments to Dr. Phillips from 2 drug and device companies from 2024 to 2025. Food and beverage make up the largest share, 100% of the total. VB Spine LLC paid the most, $44.
General payments to Dr. Phillips by program year, 2024 to 2025
Companies that paid Dr. Phillips the most, 2024 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Matthew Christopher Phillips graduated from University of Miami, Lm Miller School of Medicine
Dr. Phillips graduated from University of Miami, Lm Miller School of Medicine in 2017.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Matthew Christopher Phillips'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 DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab) |
| 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) |
| 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. Matthew Christopher Phillips
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. Matthew Christopher Phillips' NPI number?
Dr. Matthew Christopher Phillips' NPI number is 1093274979. It was assigned on March 19, 2019, and it is active in the NPI Registry.
What kind of doctor is Dr. Matthew Christopher Phillips?
Dr. Matthew Christopher Phillips is an infectious disease specialist in Riverside, California. The primary specialty in the NPI Registry is Infectious Disease Physician (taxonomy code 207RI0200X).
Where does Dr. Matthew Christopher Phillips practice?
Dr. Phillips practices at 10800 Magnolia Avenue, Riverside, CA 92505. Dr. Phillips' primary practice is Riverside Medical Center in Riverside, California, part of Kaiser Permanente. Dmand AI also links Dr. Phillips to 1 hospital and 2 medical groups.
What is Dr. Matthew Christopher Phillips' office phone number?
The practice phone on file for Dr. Phillips is (951) 353-2000.
What is Dr. Matthew Christopher Phillips' medical license number?
Dr. Phillips holds Massachusetts license 1016185.
Which hospitals is Dr. Matthew Christopher Phillips affiliated with?
Dr. Phillips practices at Riverside Medical Center in Riverside, California. Dr. Phillips is also affiliated with Massachusetts General Hospital. Dmand AI links Dr. Phillips to 1 more hospital.
What medical group is Dr. Matthew Christopher Phillips part of?
Dr. Phillips is linked to Massachusetts General Hospital. Dmand AI links Dr. Phillips to 2 more medical groups.
Does Dr. Matthew Christopher Phillips accept Medicare?
Yes. CMS lists Dr. Phillips as accepting Medicare assignment.
Does Dr. Matthew Christopher Phillips offer telehealth?
Yes. The CMS Doctors and Clinicians file lists Dr. Phillips as offering telehealth services.
How many Medicare patients does Dr. Matthew Christopher Phillips see?
CMS counts 15 Medicare patients who saw Dr. Phillips in 2024, with an average age of 66.
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Where did Dr. Matthew Christopher Phillips go to medical school?
Dr. Phillips graduated from University of Miami, Lm Miller School of Medicine in 2017.
What drugs does Dr. Matthew Christopher Phillips prescribe most?
In 2024 Medicare Part D data, Dr. Phillips' most prescribed drugs by claims were Descovy, Tivicay and Biktarvy.
Has Dr. Matthew Christopher Phillips received payments from drug or device companies?
CMS Open Payments shows $68 in general payments to Dr. Phillips from 2 companies from 2024 to 2025. The largest total came from VB Spine LLC.
How long has Dr. Matthew Christopher Phillips been practicing?
Dr. Phillips graduated from medical school in 2017, 9 years ago.
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