Dr. Toshia Ann Yamaguchi, MD

  • Riverside, CA
  • Psychiatrist
NPI1932558715PAC ID0143608406
MIPS score, 2024
93
Affiliated sites
1
Medical group
1
Insurance carriers
7
State license
1
Practice address
3390 University Ave Suite 100 Suite 100, Riverside, CA 92501-3315
Practice phone
Call (951) 827-7793
Professional email
Get professional email
Personal email
Get personal email
Mobile number
Get mobile number
Social profiles

Primary practice

Ucr Health

Multi-specialty group site · Riverside, California

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Dr. Toshia Ann Yamaguchi is a psychiatrist in Riverside, California

Dr. Yamaguchi practices at Ucr Health in Riverside, California.

Dr. Yamaguchi's NPI, 1932558715, was assigned on June 13, 2016. Dr. Yamaguchi graduated from Creighton University School of Medicine - Omaha in 2016. Dr. Yamaguchi's California license number on file is A150914.

NPI and contact details
Medicare PAC ID
0143608406
NPI enumeration date
June 13, 2016
NPI status
Active
Accepts Medicare assignment
Yes
Offers telehealth
Yes
Practice phone
(951) 827-7793
Professional email
Get email
Personal email
Get email
Mobile number
Get number
Sex
Female
Estimated age
36
Medical school graduation
2016

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)

Dr. Toshia Ann Yamaguchi practices at Ucr Health in Riverside, California

Dr. Yamaguchi's primary practice is Ucr Health, at 3390 University Ave Suite 100 Suite 100, Riverside, CA 92501-3315. The practice phone is (951) 827-7793.

  • Ucr Health
    3390 University Ave Suite 100 Suite 100, Riverside, CA 92501-3315Phone(951) 827-7793

Source: Dmand AI Affiliation Data

Dr. Toshia Ann Yamaguchi is affiliated with 1 site of care and 1 medical group

Dr. Yamaguchi's primary practice is Ucr Health in Riverside, California. The medical group on file is UCR Health.

Ucr HealthMulti-specialty group site · Riverside, CaliforniaPrimary
UCR HealthPrimary care group, Riverside, CA

Source: Dmand AI Affiliation Data

Dmand AI tracks the EHR system at Dr. Toshia Ann Yamaguchi's practice

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Yamaguchi practices. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
Ucr HealthAvailable with a free account

Source: Dmand AI Technology Install Data

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Dr. Toshia Ann Yamaguchi is one of 6,803 psychiatrists in California

Psychiatry is Dr. Yamaguchi's primary specialty in the NPI Registry, under taxonomy code 2084P0800X. Dr. Yamaguchi is board certified in child & adolescent psychiatry by the American Board of Psychiatry and Neurology. Dr. Yamaguchi has a license on file in California.

Specialties and state licenses

  • Psychiatry, CaliforniaPrimaryLicense A150914 · 2017 to 2025 · taxonomy 2084P0800X

Psychiatrists near Dr. Yamaguchi

Counts of psychiatrists 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. Toshia Ann Yamaguchi's patients have a median age of 21

Across all payers, Dmand AI patient panel data puts Dr. Yamaguchi's median patient age at 21, with 54% women.

Dr. Yamaguchi's patients across all payers

Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.

Patient panel by age, all payers

Median age 21

Patient panel by sex, all payers

  • Women54%
  • Men46%

Source: Dmand AI Patient Panel Data

Dr. Toshia Ann Yamaguchi scored 93 out of 100 in Medicare's MIPS program for 2024

CMS publishes a Merit-based Incentive Payment System (MIPS) score of 93 out of 100 for Dr. Yamaguchi for performance year 2024, reported as part of a group. Dr. Yamaguchi accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Yamaguchi as offering telehealth.

Accepts Medicare assignment
Yes
Offers telehealth
Yes

Dr. Yamaguchi's MIPS scores, performance year 2024

  • 93of 100Final score
  • 82.4of 100Quality
  • 100of 100Promoting Interoperability
  • 40of 100Improvement Activities
  • 65of 100Cost

Each score is out of 100. The final score weighs the categories CMS scored for this clinician.

Sources: Doctors and Clinicians National Downloadable File (CMS); and Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026

Dr. Toshia Ann Yamaguchi graduated from Creighton University School of Medicine - Omaha

Dr. Yamaguchi graduated from Creighton University School of Medicine - Omaha in 2016.

  1. Medical schoolCreighton University School of Medicine - Omaha
  2. Board certified in child & adolescent psychiatryAmerican Board of Psychiatry and Neurology
  3. Board certified in psychiatryAmerican Board of Psychiatry and Neurology

Source: Dmand AI Professional Profile Data

Dr. Toshia Ann Yamaguchi accepts plans from 7 insurance carriers

Dr. Yamaguchi is in network with 7 carriers, including Aetna, Blue Cross Blue Shield of Michigan and Blue Cross Blue Shield of Massachusetts. Medicare plans come from the most carriers, 7. Check the plan with the practice before a visit.

  • Aetna
  • Blue Cross Blue Shield of Michigan
  • Blue Cross Blue Shield of Massachusetts
  • HCSC
  • Molina
  • Regence Health Plans
  • CMS Medicare

Plan types Dr. Yamaguchi accepts, by number of carriers

  1. Medicare7
  2. PPO5
  3. HMO3
  4. POS2
  5. EPO1

Source: Dmand AI Insurance Network Data

Sources for Dr. Toshia Ann Yamaguchi's profile data

Sources for the data on this page
Data on this pageSource
NPI, name, sex, specialty and licensesNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data
Practice locations and phoneDmand AI Affiliation Data
Primary practice, affiliations and health systemDmand AI Affiliation Data
Medicare patients and the all-payer patient panelDmand AI Patient Panel Data
MIPS scores, telehealth, assignment and procedure percentilesDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Clinician Public Reporting: Overall MIPS Performance (CMS) (opens in a new tab)
Training, board certification and membershipsDmand AI Professional Profile Data
Insurance carriers and plan typesDmand AI Insurance Network Data
EHR at each practice siteDmand AI Technology Install Data
Similar physiciansDmand AI Affiliation Data

Data last refreshed October 2026Report an inaccuracyRemove my information

FAQ

Frequently asked questions about Dr. Toshia Ann Yamaguchi

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. Toshia Ann Yamaguchi's NPI number?

Dr. Toshia Ann Yamaguchi's NPI number is 1932558715. It was assigned on June 13, 2016, and it is active in the NPI Registry.

What kind of doctor is Dr. Toshia Ann Yamaguchi?

Dr. Toshia Ann Yamaguchi is a psychiatrist in Riverside, California. The primary specialty in the NPI Registry is Psychiatry Physician (taxonomy code 2084P0800X).

Where does Dr. Toshia Ann Yamaguchi practice?

Dr. Yamaguchi practices at 3390 University Ave Suite 100 Suite 100, Riverside, CA 92501-3315. Dr. Yamaguchi's primary practice is Ucr Health in Riverside, California.

What is Dr. Toshia Ann Yamaguchi's office phone number?

The practice phone on file for Dr. Yamaguchi is (951) 827-7793.

What is Dr. Toshia Ann Yamaguchi's medical license number?

Dr. Yamaguchi's California license number on file is A150914.

What medical group is Dr. Toshia Ann Yamaguchi part of?

Dr. Yamaguchi is linked to UCR Health.

Does Dr. Toshia Ann Yamaguchi accept Medicare?

Yes. CMS lists Dr. Yamaguchi as accepting Medicare assignment.

Does Dr. Toshia Ann Yamaguchi offer telehealth?

Yes. The CMS Doctors and Clinicians file lists Dr. Yamaguchi as offering telehealth services.

What is Dr. Toshia Ann Yamaguchi's MIPS score?

Dr. Yamaguchi's MIPS final score for performance year 2024 is 93 out of 100, reported as part of a group.

Is Dr. Toshia Ann Yamaguchi board certified?

Yes. Dr. Yamaguchi is board certified in child & adolescent psychiatry by the American Board of Psychiatry and Neurology.

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Where did Dr. Toshia Ann Yamaguchi go to medical school?

Dr. Yamaguchi graduated from Creighton University School of Medicine - Omaha in 2016.

How long has Dr. Toshia Ann Yamaguchi been practicing?

Dr. Yamaguchi graduated from medical school in 2016, 10 years ago.

What insurance does Dr. Toshia Ann Yamaguchi accept?

Dr. Yamaguchi is in network with 7 carriers, including Aetna, Blue Cross Blue Shield of Michigan and Blue Cross Blue Shield of Massachusetts. Medicare plans come from the most carriers, 7. Check the plan with the practice before a visit.

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