Dr. Eriko Masuda, MD
- Medicare services, 2024
- 1,371
- Medicare patients, 2024
- 296
- Part D claims, 2024
- 350
- Publications
- 1
- Hospital affiliations
- 1
- Practice address
- 3330 Lomita Blvd, Torrance, CA 90509
- Practice phone
- Call (310) 325-9110
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Masuda's professional email, personal email and mobile number
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Dr. Eriko Masuda is an infectious disease specialist in Torrance, California
Dr. Masuda practices at Torrance Memorial Medical Center in Torrance, California, part of Cedars-Sinai Health System.
Dr. Masuda's NPI, 1992123095, was assigned on April 4, 2014. Dr. Masuda graduated from University of Miami, Miller School of Medicine in 2014. Dr. Masuda holds California license A141129.
- NPI
- 1992123095NPI Registry (opens in a new tab)
- Medicare PAC ID
- 5991076440
- NPI enumeration date
- April 4, 2014
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (310) 325-9110
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 38
- Medical school graduation
- 2014
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Eriko Masuda practices at Torrance Memorial Medical Center in Torrance, California
Dr. Masuda's primary practice is Torrance Memorial Medical Center, at 3330 Lomita Blvd, Torrance, CA 90509 in Los Angeles County. The practice phone is (310) 325-9110.
- Torrance Memorial Medical Center3330 Lomita Blvd, Torrance, CA 90509 · Los Angeles CountyPhone(310) 325-9110
Source: Dmand AI Affiliation Data
Dr. Eriko Masuda is affiliated with 3 sites of care and 2 medical groups
Dr. Masuda's primary practice is Torrance Memorial Medical Center in Torrance, California, part of Cedars-Sinai Health System. The medical group on file is Torrance Memorial Physician Network. Dmand AI also links Dr. Masuda to 1 more group practice or clinic, 1 home health agency and 1 medical group, 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. Eriko Masuda's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Masuda practices, 3 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Torrance Memorial Medical Center | Available with a free account |
| +2 more sites and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
For health IT teams
Dmand AI maps EHR vendors, IT decision makers and buying committees across Cedars-Sinai Health System and 6.2K+ hospitals, with verified contacts in the same login.
Dr. Eriko Masuda is one of 1,054 infectious disease specialists in California
Infectious disease is Dr. Masuda's primary specialty in the NPI Registry, under taxonomy code 207RI0200X. Dr. Masuda is board certified in infectious disease by the American Board of Internal Medicine. Dr. Masuda is licensed in California.
Specialties and state licenses
- Infectious disease, CaliforniaPrimary
Clinical focus
Dmand AI lists joint or bone infection and yeast infection among the conditions Dr. Masuda treats.
Infectious disease specialists near Dr. Masuda
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. Eriko Masuda billed Medicare for 1,371 services in 2024
CMS data shows 1,371 Medicare services from Dr. Masuda across 8 procedure codes in 2024, for 296 Medicare patients. Medicare paid $143,321 for them.
Dr. Masuda's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 2492024: 1,357445%
- Surgery
- 2023: 02024: 14
Where Dr. Masuda's Medicare services took place, 2024
- In an office755%
- In a facility1,29695%
Dr. Masuda compared with the California median for infectious disease specialists, 2024
- Dr. Masuda
- California median
- Medicare services
- 1,371vs 4293.2 times
- Medicare patients
- 296vs 18064% above
- Part D claims
- 233vs 11996% above
Medians across 930 infectious disease specialists in California with Dmand AI profiles that report each measure.
Dr. Masuda'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. Masuda?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Masuda and other infectious disease specialists in California.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Eriko Masuda treated 296 Medicare patients in 2024, average age 76
CMS counts 296 Medicare patients who saw Dr. Masuda in 2024. The largest group is 65 to 74, with 100 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 35% are also on Medicaid. Their average risk score is 2.88, 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. Masuda's median patient age at 67, with 51% women.
Dr. Masuda's Medicare patients by age, 2024
Dr. Masuda's Medicare patients by sex, 2024
- Women13044%
- Men16656%
Chronic conditions among Dr. Masuda's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Arthritis55%
- Diabetes51%
- Chronic kidney disease50%
- Ischemic heart disease43%
- Heart failure40%
- Mood disorders37%
Share of Medicare patients with each condition. A patient can have several.
Dr. Masuda's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 67
Patient panel by sex, all payers
- Women51%
- Men48%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Eriko Masuda wrote 350 Medicare Part D claims in 2024
In 2024, Dr. Masuda wrote 350 Medicare Part D claims for 91 patients. 86% of them were for generic drugs. CMS names the drug for 233 of them, across 10 drugs with 11 or more claims each, at $198,590 in total drug cost. In 2023, CMS named 38 claims across 3 drugs.
Dr. Masuda's Part D claims by kind of drug, 2024
- Generic302 claims86%
- Brand-name and other48 claims14%
Dr. Masuda's 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. Masuda's Part D claims, 2024
- Antibiotics73%255 of 350 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, 2023 to 2024
- 2023
- 2024
- Claims for drugs CMS names
- 2023: 382024: 233513%
Drugs named by CMS: 10 in 2024, 3 in 2023.
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. Eriko Masuda takes part in Medicare
Dr. Masuda accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Removal of tissue: 1 to 10 procedures (CMS shows small counts as a range)
Sources: Doctors and Clinicians National Downloadable File (CMS); and Doctors and Clinicians Utilization Data (CMS)
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Dr. Eriko Masuda has 1 publication on record
Dmand AI links 1 paper to Dr. Masuda.
Recent publications by Dr. Masuda
See who Dr. Masuda researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Masuda works with, so you can find a warm path to the right infectious disease specialists.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. Eriko Masuda received $816 in industry payments from 2018 to 2025
CMS Open Payments shows 29 general payments to Dr. Masuda from 9 drug and device companies from 2018 to 2025. Food and beverage make up the largest share, 98% of the total. Gilead Sciences, Inc. paid the most, $365.
General payments to Dr. Masuda by program year, 2018 to 2025
General payments to Dr. Masuda by kind, 2018 to 2025
- Food and beverage$79998%
- Education$172%
Companies that paid Dr. Masuda the most, 2018 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Eriko Masuda graduated from University of Miami, Miller School of Medicine
Dr. Masuda graduated from University of Miami, Miller School of Medicine in 2014.
- Medical school
- Board certified in infectious disease
- Board certified in internal medicine
Source: Dmand AI Professional Profile Data
Dr. Eriko Masuda accepts plans from 16 insurance carriers
Dr. Masuda is in network with 16 carriers, including Aetna, Blue Cross Blue Shield of Michigan and Elevance. PPO plans come from the most carriers, 9. Check the plan with the practice before a visit.
- Aetna
- Blue Cross Blue Shield of Michigan
- Elevance
- United Healthcare
- HCSC
- Blue Cross Blue Shield of Massachusetts
- Molina
- Regence Health Plans
- +8 more carriersWith a free account
Plan types Dr. Masuda accepts, by number of carriers
- PPO9
- HMO8
- Medicare8
- POS5
- EPO4
Source: Dmand AI Insurance Network Data
Sources for Dr. Eriko Masuda'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) |
| 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)Doctors and Clinicians Utilization Data (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. Eriko Masuda
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. Eriko Masuda's NPI number?
Dr. Eriko Masuda's NPI number is 1992123095. It was assigned on April 4, 2014, and it is active in the NPI Registry.
What kind of doctor is Dr. Eriko Masuda?
Dr. Eriko Masuda is an infectious disease specialist in Torrance, California. The primary specialty in the NPI Registry is Infectious Disease Physician (taxonomy code 207RI0200X).
Where does Dr. Eriko Masuda practice?
Dr. Masuda practices at 3330 Lomita Blvd, Torrance, CA 90509. Dr. Masuda's primary practice is Torrance Memorial Medical Center in Torrance, California, part of Cedars-Sinai Health System. Dmand AI also links Dr. Masuda to 1 group practice or clinic, 1 home health agency and 1 medical group.
What is Dr. Eriko Masuda's office phone number?
The practice phone on file for Dr. Masuda is (310) 325-9110.
What is Dr. Eriko Masuda's medical license number?
Dr. Masuda holds California license A141129.
Which hospitals is Dr. Eriko Masuda affiliated with?
Dr. Masuda practices at Torrance Memorial Medical Center in Torrance, California.
What medical group is Dr. Eriko Masuda part of?
Dr. Masuda is linked to Torrance Memorial Physician Network. Dmand AI links Dr. Masuda to 1 more medical group.
Does Dr. Eriko Masuda accept Medicare?
Yes. CMS data shows Dr. Masuda billed Medicare for 1,371 services in 2024, and Dr. Masuda accepts Medicare assignment.
How many Medicare patients does Dr. Eriko Masuda see?
CMS counts 296 Medicare patients who saw Dr. Masuda in 2024, with an average age of 76.
Is Dr. Eriko Masuda board certified?
Yes. Dr. Masuda is board certified in infectious disease by the American Board of Internal Medicine.
Show 7 more questionsShow fewer questions
What services does Dr. Eriko Masuda bill to Medicare?
In 2024, Dr. Masuda's most billed Medicare services were hospital inpatient care (99233), hospital inpatient care (99223) and hospital inpatient care (99232).
Where did Dr. Eriko Masuda go to medical school?
Dr. Masuda graduated from University of Miami, Miller School of Medicine in 2014.
What drugs does Dr. Eriko Masuda prescribe most?
In 2024 Medicare Part D data, Dr. Masuda's most prescribed drugs by claims were Ceftriaxone, Cefepime HCl and Biktarvy.
Has Dr. Eriko Masuda received payments from drug or device companies?
CMS Open Payments shows $816 in general payments to Dr. Masuda from 9 companies from 2018 to 2025. The largest total came from Gilead Sciences, Inc.
How long has Dr. Eriko Masuda been practicing?
Dr. Masuda graduated from medical school in 2014, 12 years ago.
Does Dr. Eriko Masuda do research?
Dmand AI links 1 publication to Dr. Masuda.
What insurance does Dr. Eriko Masuda accept?
Dr. Masuda is in network with 16 carriers, including Aetna, Blue Cross Blue Shield of Michigan and Elevance. PPO plans come from the most carriers, 9. Check the plan with the practice before a visit.
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