Dr. Alfred Mitsuru Yamamoto, MD

  • Orange, CA
  • Pathologist
NPI1457387417PAC ID9133016116
Medicare services, 2024
1,023
Medicare patients, 2024
310
Publications
3
MIPS score, 2024
93
Hospital affiliations
2
Practice address
101 City Drive South, Orange, CA 92868
Practice phone
Call (714) 456-7890
Professional email
Get professional email
Personal email
Get personal email
Mobile number
Get mobile number
Social profiles

Primary practice

UCI Health - Orange

Hospital · Orange, California

See all 4 affiliations

Find Dr. Yamamoto'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.

View contacts for free

Dr. Alfred Mitsuru Yamamoto is a pathologist in Orange, California

Dr. Yamamoto practices at UCI Health - Orange in Orange, California, part of UC Irvine.

Dr. Yamamoto's NPI, 1457387417, was assigned on June 23, 2006. Dr. Yamamoto graduated from David Geffen School of Medicine at UCLA in 1986. Dr. Yamamoto holds California license G61896.

NPI and contact details
Medicare PAC ID
9133016116
NPI enumeration date
June 23, 2006
NPI status
Active
Accepts Medicare assignment
Yes
Practice phone
(714) 456-7890
Professional email
Get email
Personal email
Get email
Mobile number
Get number
Sex
Male
Estimated age
66
Medical school graduation
1986

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

Dr. Alfred Mitsuru Yamamoto practices at UCI Health - Orange in Orange, California

Dr. Yamamoto's primary practice is UCI Health - Orange, at 101 City Drive South, Orange, CA 92868 in Orange County. The practice phone is (714) 456-7890.

  • UCI Health - Orange
    101 City Drive South, Orange, CA 92868 · Orange CountyPhone(714) 456-7890

Source: Dmand AI Affiliation Data

Dr. Alfred Mitsuru Yamamoto is affiliated with 3 sites of care and 1 medical group

Dr. Yamamoto's primary practice is UCI Health - Orange in Orange, California, part of UC Irvine. Dr. Yamamoto is also affiliated with UCI Health - Lakewood. The medical group on file is Affiliated Pathologists Medical Group. Dmand AI also links Dr. Yamamoto to 1 more group practice or clinic, named with a free account.

See all 4 affiliations for Dr. Yamamoto

Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data

Dmand AI tracks the EHR system at Dr. Alfred Mitsuru Yamamoto's practice

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Yamamoto practices, 3 sites in all. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
UCI Health - OrangeAvailable with a free account
+2 more affiliated sitesAvailable with a free account

Source: Dmand AI Technology Install Data

For health IT teams

See the EHR and IT leaders at every hospital where Dr. Yamamoto practices

Dmand AI maps EHR vendors, IT decision makers and buying committees across UC Irvine and 6.2K+ hospitals, with verified contacts in the same login.

Dr. Alfred Mitsuru Yamamoto is one of 1,354 pathologists in California

Anatomic pathology and clinical pathology is Dr. Yamamoto's primary specialty in the NPI Registry, under taxonomy code 207ZP0102X. Dr. Yamamoto is board certified in anatomic pathology & clinical pathology by the American Board of Pathology. Dr. Yamamoto is licensed in California.

Specialties and state licenses

  • Anatomic pathology and clinical pathology, CaliforniaPrimaryLicense G61896 · 1987 to 2027 · taxonomy 207ZP0102X

Pathologists near Dr. Yamamoto

Counts of pathologists 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. Alfred Mitsuru Yamamoto billed Medicare for 1,023 services in 2024

CMS data shows 1,023 Medicare services from Dr. Yamamoto across 11 procedure codes in 2024, for 310 Medicare patients. Medicare paid $26,101 for them. Every service was in a facility, such as a hospital, rather than an office.

Medicare services, 20241,023
Medicare patients310
Paid by Medicare$26,101
Procedure codes11

Dr. Yamamoto's Medicare services by type, 2023 to 2024

  • 2023
  • 2024
Lab and pathology
2023: 6652024: 1,02354%

Dr. Yamamoto compared with the California median for pathologists, 2024

  • Dr. Yamamoto
  • California median
Medicare services
1,023vs 1,15311% below
Medicare patients
310vs 44731% below

Medians across 1,094 pathologists in California with Dmand AI profiles that report each measure.

Dr. Yamamoto'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.

See all procedures by Dr. Yamamoto

Need commercial claims for Dr. Yamamoto?

Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Yamamoto and other pathologists in California.

Book a meeting

Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks

Dr. Alfred Mitsuru Yamamoto treated 310 Medicare patients in 2024, average age 73

CMS counts 310 Medicare patients who saw Dr. Yamamoto in 2024. The largest group is 65 to 74, with 122 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 73% are also on Medicaid. Their average risk score is 3.64, 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. Yamamoto's median patient age at 53, with 60% women.

Medicare patients, 2024310
Average age73
Average risk score3.64
Also on Medicaid73%

Dr. Yamamoto's Medicare patients by age, 2024

Dr. Yamamoto's Medicare patients by sex, 2024

  • Women15751%
  • Men15349%

Chronic conditions among Dr. Yamamoto's Medicare patients, 2024

  1. High blood pressure75%
  2. High cholesterol75%
  3. Diabetes68%
  4. Arthritis60%
  5. Chronic kidney disease57%
  6. Heart failure49%
  7. Ischemic heart disease48%
  8. Mood disorders37%

Share of Medicare patients with each condition. A patient can have several.

Dr. Yamamoto's patients across all payers

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

Patient panel by age, all payers

Median age 53

Patient panel by sex, all payers

  • Women60%
  • Men39%

Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data

Dr. Alfred Mitsuru Yamamoto 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. Yamamoto for performance year 2024, reported as part of a group. Dr. Yamamoto accepts Medicare assignment, so Medicare's approved amount is taken as full payment.

Accepts Medicare assignment
Yes

Dr. Yamamoto's MIPS scores, performance year 2024

  • 93of 100Final score
  • 88.6of 100Quality
  • 40of 100Improvement Activities
  • 78of 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

For MedTech and pharma teams

Find pathologists like Dr. Yamamoto by procedure volume and prescribing

Filter 7.4M+ HCPs by Medicare procedures, Part D drugs and Open Payments history, then reach them with verified contacts in one login.

Dr. Alfred Mitsuru Yamamoto has 3 publications on record

Dmand AI links 3 papers to Dr. Yamamoto in 2020. The most frequent topics are Airway Remodeling, Asthma and Lung. Dr. Yamamoto's most frequent co-authors are Arthur Franklin Gelb, MD, Jay Nadel, MD and Eric F. Glassy, MD.

Papers3

Topics Dr. Yamamoto writes about most

  • Airway Remodeling
  • Asthma
  • Lung
  • Pulmonary Emphysema
  • Vital Capacity

Dr. Yamamoto's most frequent co-authors

Recent publications by Dr. Yamamoto

See all 3 publications and co-authors

See who Dr. Yamamoto researches with

Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Yamamoto works with, so you can find a warm path to the right pathologists.

How network discovery works

Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage

Dr. Alfred Mitsuru Yamamoto received $31 in industry payments in 2021

CMS Open Payments shows 2 general payments to Dr. Yamamoto from 2 drug and device companies in 2021. Food and beverage make up the largest share, 100% of the total. Ortho-Clinical Diagnostics, Inc. paid the most, $19.

Companies that paid Dr. Yamamoto the most, 2021 to 2021

Share is of all general payments to this clinician.

See all payments to Dr. Yamamoto

Source: Open Payments (CMS), 2025 data, released July 7, 2026

Dr. Alfred Mitsuru Yamamoto graduated from David Geffen School of Medicine at UCLA

Dr. Yamamoto graduated from David Geffen School of Medicine at UCLA in 1986.

  1. Medical schoolDavid Geffen School of Medicine at UCLA
  2. Board certified in anatomic pathology & clinical pathologyAmerican Board of Pathology

Source: Dmand AI Professional Profile Data

Dr. Alfred Mitsuru Yamamoto accepts plans from 2 insurance carriers

Dr. Yamamoto is in network with 2 carriers, including CMS Medicare and Molina. Medicare plans come from the most carriers, 2. Check the plan with the practice before a visit.

  • CMS Medicare
  • Molina

Source: Dmand AI Insurance Network Data

Sources for Dr. Alfred Mitsuru Yamamoto'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 DataDmand AI Org Hierarchy Data
Medicare services and procedure codesMedicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab)
State medians for the same specialtyDmand AI Peer Benchmarks
Medicare patients and the all-payer patient panelDmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab)
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)
Publications, topics and co-authorsPubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage
Industry paymentsOpen Payments (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. Alfred Mitsuru Yamamoto

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. Alfred Mitsuru Yamamoto's NPI number?

Dr. Alfred Mitsuru Yamamoto's NPI number is 1457387417. It was assigned on June 23, 2006, and it is active in the NPI Registry.

What kind of doctor is Dr. Alfred Mitsuru Yamamoto?

Dr. Alfred Mitsuru Yamamoto is a pathologist in Orange, California. The primary specialty in the NPI Registry is Anatomic Pathology & Clinical Pathology Physician (taxonomy code 207ZP0102X).

Where does Dr. Alfred Mitsuru Yamamoto practice?

Dr. Yamamoto practices at 101 City Drive South, Orange, CA 92868. Dr. Yamamoto's primary practice is UCI Health - Orange in Orange, California, part of UC Irvine. Dmand AI also links Dr. Yamamoto to 1 group practice or clinic.

What is Dr. Alfred Mitsuru Yamamoto's office phone number?

The practice phone on file for Dr. Yamamoto is (714) 456-7890.

What is Dr. Alfred Mitsuru Yamamoto's medical license number?

Dr. Yamamoto holds California license G61896.

Which hospitals is Dr. Alfred Mitsuru Yamamoto affiliated with?

Dr. Yamamoto practices at UCI Health - Orange in Orange, California. Dr. Yamamoto is also affiliated with UCI Health - Lakewood.

What medical group is Dr. Alfred Mitsuru Yamamoto part of?

Dr. Yamamoto is linked to Affiliated Pathologists Medical Group.

Does Dr. Alfred Mitsuru Yamamoto accept Medicare?

Yes. CMS data shows Dr. Yamamoto billed Medicare for 1,023 services in 2024, and Dr. Yamamoto accepts Medicare assignment.

What is Dr. Alfred Mitsuru Yamamoto's MIPS score?

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

How many Medicare patients does Dr. Alfred Mitsuru Yamamoto see?

CMS counts 310 Medicare patients who saw Dr. Yamamoto in 2024, with an average age of 73.

Show 8 more questionsShow fewer questions

Is Dr. Alfred Mitsuru Yamamoto board certified?

Yes. Dr. Yamamoto is board certified in anatomic pathology & clinical pathology by the American Board of Pathology.

What services does Dr. Alfred Mitsuru Yamamoto bill to Medicare?

In 2024, Dr. Yamamoto's most billed Medicare services were lab and pathology test (88305), lab and pathology test (88341) and lab and pathology test (88112).

Where did Dr. Alfred Mitsuru Yamamoto go to medical school?

Dr. Yamamoto graduated from David Geffen School of Medicine at UCLA in 1986.

Has Dr. Alfred Mitsuru Yamamoto received payments from drug or device companies?

CMS Open Payments shows $31 in general payments to Dr. Yamamoto from 2 companies from 2021 to 2021. The largest total came from Ortho-Clinical Diagnostics, Inc.

How long has Dr. Alfred Mitsuru Yamamoto been practicing?

Dr. Yamamoto graduated from medical school in 1986, 40 years ago.

Does Dr. Alfred Mitsuru Yamamoto do research?

Dmand AI links 3 publications to Dr. Yamamoto.

Who does Dr. Alfred Mitsuru Yamamoto publish with?

Dr. Yamamoto's most frequent co-authors are Arthur Franklin Gelb, MD (2 shared papers), Jay Nadel, MD (2 shared papers) and Eric F. Glassy, MD (1 shared paper).

What insurance does Dr. Alfred Mitsuru Yamamoto accept?

Dr. Yamamoto is in network with 2 carriers, including CMS Medicare and Molina. Medicare plans come from the most carriers, 2. Check the plan with the practice before a visit.

Selling to anatomic pathology and clinical pathology practices?

See pathologists in California by site of care and group

Find the practices, groups and hospitals they work with, and the right people to contact at each.

  • 30 days free
  • Self-serve
  • No credit card

Cookie settings

Turn each category on or off. Your choice is kept for 12 months and you can change it here at any time.

Necessary

Always on. Sign-in, security, downloads you asked for, your cookie choice, and the page that led to a signup.

View cookies (6)
  • dm_consentDmand AI. Your cookie choices and whether your browser sent a Global Privacy Control signal. 12 months.
  • dm_ft, dm_ltDmand AI. The first and the latest page you arrived on, with the date, so a signup is credited to the page that worked. 90 days, 30 days.
  • dm_fs, dm_lsDmand AI. The first and the latest source of a visit (a search engine, a campaign or the site that linked here). 90 days, 30 days.
  • dm_dl, dm_dl_okDmand AI. After you give an email address for a download, lets you download files without being asked again. 30 days.
  • Session and CSRF cookiesDmand AI (app.dmand.ai). Sign-in and form protection in the application. Session.
  • __cf_bm, cf_clearanceCloudflare. Tells people from automated traffic and keeps the site available. 30 minutes; cf_clearance while a security check is valid.

Analytics

On unless you turn it off. How pages are used, in aggregate, and recordings of how pages are used.

View cookies (6)
  • Google Tag ManagerGoogle. Loads the analytics and marketing tags that are on. Sets no cookie of its own and does not load when both categories are off. n/a.
  • _ga, _ga_<container-id>Google Analytics 4. Visits and page views in aggregate on dmand.ai. 2 years.
  • _clck, _clskMicrosoft Clarity. Recordings and heatmaps of how pages are used, with form fields masked. 1 year, 1 day.
  • CLID, MUID, ANONCHK, MR, SMMicrosoft (clarity.ms). Set by Microsoft when Clarity loads, to recognize a browser across sites that use Clarity. Up to 1 year.
  • None (cookieless)Ahrefs Analytics. Page views in aggregate. n/a.
  • ph_<project>_posthogPostHog. Product usage, errors and performance in app.dmand.ai, used to fix bugs and improve features. 365 days.

Marketing

On unless you turn it off, and always off when your browser sends a Global Privacy Control signal. A visitor identification service tells our sales team which companies and people visit.

View cookies (6)
  • _reb2buid, _reb2butkRB2B. Recognizes a returning browser for visitor identification. 360 days, 1 year.
  • _reb2bgeoRB2B. The location used to decide whether a visit can be identified. 20 days.
  • _reb2brefRB2B. The page or site that referred the visit. 15 days.
  • _reb2bfxf, _reb2btd, _reb2bliRB2B. Links the visit to an identified business profile. 1 month.
  • _reb2bresolveRB2B. Holds a match while it is being resolved. 2 days.
  • _reb2sessionID, _reb2bloadedRB2B. The current visit, and a guard against loading the script twice. 30 minutes, 1 second.

Functional

On unless you turn it off. Remembers choices such as a collapsed section.

View cookies (none today)