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Dr. Alvin J. Yamamoto, MD
NPI1780616318PAC ID5698779742
- Medicare services, 2024
- 13,534
- Medicare patients, 2024
- 4,745
- Publications
- 12
- MIPS score, 2024
- 100
- Hospital affiliations
- 6
- Practice address
- 6501 Coyle Ave, Carmichael, CA 95608
- Practice phone
- Call (916) 537-5000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
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.
Dr. Alvin J. Yamamoto is a diagnostic radiologist in Carmichael, California
Dr. Yamamoto practices at Dignity Health - Mercy San Juan Medical Center in Carmichael, California, part of CommonSpirit Health.
Dr. Yamamoto's NPI, 1780616318, was assigned on July 6, 2006. Dr. Yamamoto graduated from Perelman School of Medicine - Philadelphia in 2001. Dr. Yamamoto holds California license A81370.
NPI and contact details
- NPI
- 1780616318NPI Registry (opens in a new tab)
- Medicare PAC ID
- 5698779742
- NPI enumeration date
- July 6, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (916) 537-5000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 51
- Medical school graduation
- 2001
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Alvin J. Yamamoto practices at Dignity Health - Mercy San Juan Medical Center in Carmichael, California
Dr. Yamamoto's primary practice is Dignity Health - Mercy San Juan Medical Center, at 6501 Coyle Ave, Carmichael, CA 95608 in Sacramento County. The practice phone is (916) 537-5000.
- Dignity Health - Mercy San Juan Medical Center6501 Coyle Ave, Carmichael, CA 95608 · Sacramento CountyPhone(916) 537-5000
Source: Dmand AI Affiliation Data
Dr. Alvin J. Yamamoto is affiliated with 6 sites of care and 2 medical groups
Dr. Yamamoto's primary practice is Dignity Health - Mercy San Juan Medical Center in Carmichael, California, part of CommonSpirit Health. Dr. Yamamoto is also affiliated with Sacramento Medical Center. The medical group on file is The Permanente Medical Group, Inc. Dmand AI also links Dr. Yamamoto to 4 more hospitals and 1 medical group, each named with a free account.
Sacramento Medical CenterThe Permanente Medical Group, Inc.4 hospitalsNames with a free account1 medical groupName with a free account
See all 8 affiliations for Dr. YamamotoSources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Alvin J. Yamamoto's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Yamamoto practices, 6 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Dignity Health - Mercy San Juan Medical Center | Available with a free account |
| +5 more sites and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Alvin J. Yamamoto is one of 4,096 diagnostic radiologists in California
Diagnostic radiology is Dr. Yamamoto's primary specialty in the NPI Registry, under taxonomy code 2085R0202X. Dr. Yamamoto is board certified in diagnostic radiology by the American Board of Radiology. Dmand AI has Dr. Yamamoto's licenses on file in 2 states: California and Massachusetts.
Specialties and state licenses
- Diagnostic radiology, CaliforniaPrimary
- Massachusetts license
Diagnostic radiologists near Dr. Yamamoto
Counts of diagnostic radiologists with a Dmand AI profile, by place and practice. Each opens the list.
4,096diagnostic radiologists in California41diagnostic radiologists in Carmichael22diagnostic radiologists at Dignity Health - Mercy San Juan Medical Center
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Dr. Alvin J. Yamamoto billed Medicare for 13,534 services in 2024
CMS data shows 13,534 Medicare services from Dr. Yamamoto across 74 procedure codes in 2024, for 4,745 Medicare patients. Medicare paid $258,567 for them.
Medicare services, 202413,534
Medicare patients4,745
Paid by Medicare$258,567
Procedure codes74
Dr. Yamamoto's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Other services
- 2023: 1,7002024: 7,265327%
- Imaging
- 2023: 8652024: 6,156612%
- Tests and treatments
- 2023: 02024: 113
Where Dr. Yamamoto's Medicare services took place, 2024
- In an office7,47655%
- In a facility6,05845%
Dr. Yamamoto compared with the California median for diagnostic radiologists, 2024
- Dr. Yamamoto
- California median
- Medicare services
- 13,534vs 2,2815.9 times
- Medicare patients
- 4,745vs 1,3463.5 times
Medians across 3,734 diagnostic radiologists 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.
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Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Alvin J. Yamamoto treated 4,745 Medicare patients in 2024, average age 74
CMS counts 4,745 Medicare patients who saw Dr. Yamamoto in 2024. The largest group is 65 to 74, with 1,782 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 41% are also on Medicaid. Their average risk score is 1.92, 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 60, with 56% women.
Medicare patients, 20244,745
Average age74
Average risk score1.92
Also on Medicaid41%
Dr. Yamamoto's Medicare patients by age, 2024
Dr. Yamamoto's Medicare patients by sex, 2024
- Women2,68457%
- Men2,06143%
Chronic conditions among Dr. Yamamoto's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Arthritis54%
- Diabetes38%
- Ischemic heart disease38%
- Chronic kidney disease36%
- Mood disorders36%
- Heart failure35%
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 60
Patient panel by sex, all payers
- Women56%
- Men44%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Alvin J. Yamamoto scored 100 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 100 out of 100 for Dr. Yamamoto for performance year 2024, reported through an alternative payment model (APM). 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
- 100of 100Final score
- 86.3of 100Quality
- 100of 100Promoting Interoperability
- 40of 100Improvement Activities
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
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Dr. Alvin J. Yamamoto has 12 publications on record
Dmand AI links 12 papers to Dr. Yamamoto in 2008. The most frequent topics are Fluorodeoxyglucose F18, Tomography, Emission-Computed and Radiopharmaceuticals. Dr. Yamamoto has published most often in Clin Nucl Med. Dr. Yamamoto's most frequent co-authors are Hongming Zhuang, MD, Michael Pourdehnad, MD and Abass Alavi, MD.
Papers12
Topics Dr. Yamamoto writes about most
- Fluorodeoxyglucose F18
- Tomography, Emission-Computed
- Radiopharmaceuticals
- Adenocarcinoma, Follicular
- Carcinoma, Papillary
- Diagnosis, Differential
- Inflammation
- Iodine Radioisotopes
Dr. Yamamoto's most frequent co-authors
- Hongming Zhuang, MD7 shared papers
- Michael Pourdehnad, MD5 shared papers
- Abass Alavi, MD1 shared paper
Recent publications by Dr. Yamamoto
Clin Nucl Med
Diagnosis, DifferentialFluorodeoxyglucose F18Lung Diseases
Clin Nucl Med
ChoriocarcinomaFluorodeoxyglucose F18Lung Neoplasms
Diagnosis, DifferentialFluorodeoxyglucose F18Inflammation
J Vasc Interv Radiol
Catheterization, Central VenousSuture Techniques
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 diagnostic radiologists.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. Alvin J. Yamamoto received $3,555 in industry payments from 2016 to 2024
CMS Open Payments shows 4 general payments to Dr. Yamamoto from 4 drug and device companies from 2016 to 2024. Speaker and faculty fees make up the largest share, 98% of the total. Bayer HealthCare Pharmaceuticals Inc. paid the most, $3,500.
General payments to Dr. Yamamoto by program year, 2016 to 2024
General payments to Dr. Yamamoto by kind, 2016 to 2024
$3.6Kin total
- Speaker and faculty fees$3,50098%
- Food and beverage$552%
Companies that paid Dr. Yamamoto the most, 2016 to 2024
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Alvin J. Yamamoto graduated from Perelman School of Medicine - Philadelphia
Dr. Yamamoto graduated from Perelman School of Medicine - Philadelphia in 2001.
- Medical school
- Board certified in diagnostic radiology
Source: Dmand AI Professional Profile Data
Dr. Alvin J. Yamamoto accepts plans from 5 insurance carriers
Dr. Yamamoto is in network with 5 carriers, including United Healthcare, Aetna and Blue Cross and Blue Shield of Kansas City. Medicare plans come from the most carriers, 2. Check the plan with the practice before a visit.
- United Healthcare
- Aetna
- Blue Cross and Blue Shield of Kansas City
- CMS Medicare
- Excellus BlueCross BlueShield
Plan types Dr. Yamamoto accepts, by number of carriers
- Medicare2
- POS2
- PPO2
- EPO1
- HMO1
Source: Dmand AI Insurance Network Data
Sources for Dr. Alvin J. Yamamoto'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) |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors 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-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. Alvin J. 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. Alvin J. Yamamoto's NPI number?
Dr. Alvin J. Yamamoto's NPI number is 1780616318. It was assigned on July 6, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Alvin J. Yamamoto?
Dr. Alvin J. Yamamoto is a diagnostic radiologist in Carmichael, California. The primary specialty in the NPI Registry is Diagnostic Radiology Physician (taxonomy code 2085R0202X).
Where does Dr. Alvin J. Yamamoto practice?
Dr. Yamamoto practices at 6501 Coyle Ave, Carmichael, CA 95608. Dr. Yamamoto's primary practice is Dignity Health - Mercy San Juan Medical Center in Carmichael, California, part of CommonSpirit Health. Dmand AI also links Dr. Yamamoto to 4 hospitals and 1 medical group.
What is Dr. Alvin J. Yamamoto's office phone number?
The practice phone on file for Dr. Yamamoto is (916) 537-5000.
What is Dr. Alvin J. Yamamoto's medical license number?
Dr. Yamamoto holds California license A81370, one of the licenses on file in 2 states.
Which states has Dr. Alvin J. Yamamoto been licensed in?
Dmand AI has state licenses on file for Dr. Yamamoto in California (2013 to 2026) and Massachusetts (2007 to 2015).
Which hospitals is Dr. Alvin J. Yamamoto affiliated with?
Dr. Yamamoto practices at Dignity Health - Mercy San Juan Medical Center in Carmichael, California. Dr. Yamamoto is also affiliated with Sacramento Medical Center. Dmand AI links Dr. Yamamoto to 4 more hospitals.
What medical group is Dr. Alvin J. Yamamoto part of?
Dr. Yamamoto is linked to The Permanente Medical Group, Inc. Dmand AI links Dr. Yamamoto to 1 more medical group.
Does Dr. Alvin J. Yamamoto accept Medicare?
Yes. CMS data shows Dr. Yamamoto billed Medicare for 13,534 services in 2024, and Dr. Yamamoto accepts Medicare assignment.
What is Dr. Alvin J. Yamamoto's MIPS score?
Dr. Yamamoto's MIPS final score for performance year 2024 is 100 out of 100, reported through an alternative payment model (APM).
Show 9 more questionsShow fewer questions
How many Medicare patients does Dr. Alvin J. Yamamoto see?
CMS counts 4,745 Medicare patients who saw Dr. Yamamoto in 2024, with an average age of 74.
Is Dr. Alvin J. Yamamoto board certified?
Yes. Dr. Yamamoto is board certified in diagnostic radiology by the American Board of Radiology.
What services does Dr. Alvin J. Yamamoto bill to Medicare?
In 2024, Dr. Yamamoto's most billed Medicare services were medicare temporary code (Q9967), diagnostic imaging (71045) and diagnostic imaging (74177).
Where did Dr. Alvin J. Yamamoto go to medical school?
Dr. Yamamoto graduated from Perelman School of Medicine - Philadelphia in 2001.
Has Dr. Alvin J. Yamamoto received payments from drug or device companies?
CMS Open Payments shows $3,555 in general payments to Dr. Yamamoto from 4 companies from 2016 to 2024. The largest total came from Bayer HealthCare Pharmaceuticals Inc.
How long has Dr. Alvin J. Yamamoto been practicing?
Dr. Yamamoto graduated from medical school in 2001, 25 years ago.
Does Dr. Alvin J. Yamamoto do research?
Dmand AI links 12 publications to Dr. Yamamoto.
Who does Dr. Alvin J. Yamamoto publish with?
Dr. Yamamoto's most frequent co-authors are Hongming Zhuang, MD (7 shared papers), Michael Pourdehnad, MD (5 shared papers) and Abass Alavi, MD (1 shared paper).
What insurance does Dr. Alvin J. Yamamoto accept?
Dr. Yamamoto is in network with 5 carriers, including United Healthcare, Aetna and Blue Cross and Blue Shield of Kansas City. Medicare plans come from the most carriers, 2. Check the plan with the practice before a visit.
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