Dr. Marchelle June Bean Giannini, MD
- Medicare services, 2024
- 20,121
- Medicare patients, 2024
- 696
- Hospital affiliations
- 4
- Medical groups
- 5
- Insurance carriers
- 23
- Practice address
- 300 Pasteur Drive, Stanford, CA 94305
- Practice phone
- Call (650) 723-4000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Giannini'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. Marchelle June Bean Giannini is a diagnostic radiologist in Stanford, California
Dr. Giannini practices at Stanford Hospital at 300 Pasteur Drive in Stanford, California, part of Stanford University.
Dr. Giannini's NPI, 1174588503, was assigned on April 19, 2006. Dr. Giannini graduated from UMKC School of Medicine in 1997. Dr. Giannini holds Maryland license D58508.
- NPI
- 1174588503NPI Registry (opens in a new tab)
- Medicare PAC ID
- 7214234830
- NPI enumeration date
- April 19, 2006
- NPI status
- Active
- Practice phone
- (650) 723-4000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 55
- Medical school graduation
- 1997
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Affiliation Data
Dr. Marchelle June Bean Giannini practices at Stanford Hospital at 300 Pasteur Drive in Stanford, California
Dr. Giannini's primary practice is Stanford Hospital at 300 Pasteur Drive, at 300 Pasteur Drive, Stanford, CA 94305 in Santa Clara County. The practice phone is (650) 723-4000.
- Stanford Hospital at 300 Pasteur Drive300 Pasteur Drive, Stanford, CA 94305 · Santa Clara CountyPhone(650) 723-4000
Source: Dmand AI Affiliation Data
Dr. Marchelle June Bean Giannini is affiliated with 8 sites of care and 5 medical groups
Dr. Giannini's primary practice is Stanford Hospital at 300 Pasteur Drive in Stanford, California, part of Stanford University. Dr. Giannini is also affiliated with Ohio State University Hospital. The medical group on file is Johns Hopkins University. Dmand AI also links Dr. Giannini to 2 more hospitals, 4 group practices and clinics and 4 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. Marchelle June Bean Giannini's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Giannini practices, 8 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Stanford Hospital at 300 Pasteur Drive | Available with a free account |
| +7 more sites and 4 medical groups | 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 Stanford University and 6.2K+ hospitals, with verified contacts in the same login.
Dr. Marchelle June Bean Giannini is one of 4,096 diagnostic radiologists in California
Diagnostic radiology is Dr. Giannini's primary specialty in the NPI Registry, under taxonomy code 2085R0202X. Dr. Giannini is board certified in diagnostic radiology by the American Board of Radiology. Dmand AI has Dr. Giannini's licenses on file in 15 states: Maryland, Michigan, District of Columbia, Delaware, California, Georgia, Hawaii, Illinois, Missouri, North Carolina, Pennsylvania, Alabama, Indiana, Ohio and Oregon.
Specialties and state licenses
- Diagnostic radiology, MarylandPrimary
- Michigan license
- District of Columbia license
- Delaware license
- California license
- Georgia license
- Hawaii license
- Illinois license
- Missouri license
- North Carolina license
- Pennsylvania license
- Alabama license
- Indiana license
- Ohio license
- Oregon license
Diagnostic radiologists near Dr. Giannini
Counts of diagnostic radiologists 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. Marchelle June Bean Giannini billed Medicare for 20,121 services in 2024
CMS data shows 20,121 Medicare services from Dr. Giannini across 9 procedure codes in 2024, for 696 Medicare patients. Medicare paid $80,648 for them.
Dr. Giannini's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Other services
- 2023: 18,5902024: 19,4024%
- Imaging
- 2023: 6972024: 7193%
- Tests and treatments
- 2023: 112024: 0100%
Where Dr. Giannini's Medicare services took place, 2024
- In an office20,049100%
- In a facility720%
Dr. Giannini compared with the California median for diagnostic radiologists, 2024
- Dr. Giannini
- California median
- Medicare services
- 20,121vs 2,2818.8 times
- Medicare patients
- 696vs 1,34648% below
Medians across 3,734 diagnostic radiologists in California with Dmand AI profiles that report each measure.
Dr. Giannini'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. Giannini?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Giannini and other diagnostic radiologists in California.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Marchelle June Bean Giannini treated 696 Medicare patients in 2024, average age 73
CMS counts 696 Medicare patients who saw Dr. Giannini in 2024. The largest group is 65 to 74, with 368 patients. 75% of them have high cholesterol, and 74% have high blood pressure. 9% are also on Medicaid. Their average risk score is 2.08, 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. Giannini's median patient age at 63, with 52% women.
Dr. Giannini's Medicare patients by age, 2024
Dr. Giannini's Medicare patients by sex, 2024
- Women37253%
- Men32447%
Chronic conditions among Dr. Giannini's Medicare patients, 2024
- High cholesterol75%
- High blood pressure74%
- Arthritis44%
- Cancer43%
- Ischemic heart disease33%
- Diabetes32%
- Mood disorders28%
- Chronic kidney disease27%
Share of Medicare patients with each condition. A patient can have several.
Dr. Giannini's 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
- Women52%
- Men46%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
For MedTech and pharma teams
Filter 7.4M+ HCPs by Medicare procedures, Part D drugs and Open Payments history, then reach them with verified contacts in one login.
Dr. Marchelle June Bean Giannini graduated from UMKC School of Medicine
Dr. Giannini graduated from UMKC School of Medicine in 1997. Dr. Giannini is a member of ARRS and RSNA.
- Medical school
- Board certified in diagnostic radiology
Source: Dmand AI Professional Profile Data
Dr. Marchelle June Bean Giannini accepts plans from 23 insurance carriers
Dr. Giannini is in network with 23 carriers, including Elevance, Aetna and Excellus BlueCross BlueShield. HMO plans come from the most carriers, 11. Check the plan with the practice before a visit.
- Elevance
- Aetna
- Excellus BlueCross BlueShield
- Blue Cross Blue Shield of Michigan
- HCSC
- United Healthcare
- Alliant Health Plans
- Aspirus Health Plan
- +15 more carriersWith a free account
Plan types Dr. Giannini accepts, by number of carriers
- HMO11
- PPO11
- Medicare10
- POS8
- EPO5
- Medicaid4
Source: Dmand AI Insurance Network Data
Sources for Dr. Marchelle June Bean Giannini'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) |
| 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. Marchelle June Bean Giannini
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. Marchelle June Bean Giannini's NPI number?
Dr. Marchelle June Bean Giannini's NPI number is 1174588503. It was assigned on April 19, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Marchelle June Bean Giannini?
Dr. Marchelle June Bean Giannini is a diagnostic radiologist in Stanford, California. The primary specialty in the NPI Registry is Diagnostic Radiology Physician (taxonomy code 2085R0202X).
Where does Dr. Marchelle June Bean Giannini practice?
Dr. Giannini practices at 300 Pasteur Drive, Stanford, CA 94305. Dr. Giannini's primary practice is Stanford Hospital at 300 Pasteur Drive in Stanford, California, part of Stanford University. Dmand AI also links Dr. Giannini to 2 hospitals, 4 group practices and clinics and 4 medical groups.
What is Dr. Marchelle June Bean Giannini's office phone number?
The practice phone on file for Dr. Giannini is (650) 723-4000.
What is Dr. Marchelle June Bean Giannini's medical license number?
Dr. Giannini holds Maryland license D58508, one of the licenses on file in 15 states.
Which states has Dr. Marchelle June Bean Giannini been licensed in?
Dmand AI has state licenses on file for Dr. Giannini in Maryland (2002 to 2026), Michigan (2005 to 2028), District of Columbia (2017 to 2027), Delaware (2013 to 2027), California (2008 to 2026), Georgia (2007 to 2026), Hawaii (2019 to 2026), Illinois (2005 to 2026), Missouri (1998 to 2026), North Carolina (2005 to 2026), Pennsylvania (2008 to 2026), Alabama (2014 to 2025), Indiana (2005 to 2025), Ohio (2008 to 2025) and Oregon (2022 to 2025).
Which hospitals is Dr. Marchelle June Bean Giannini affiliated with?
Dr. Giannini practices at Stanford Hospital at 300 Pasteur Drive in Stanford, California. Dr. Giannini is also affiliated with Ohio State University Hospital. Dmand AI links Dr. Giannini to 2 more hospitals.
What medical group is Dr. Marchelle June Bean Giannini part of?
Dr. Giannini is linked to Johns Hopkins University. Dmand AI links Dr. Giannini to 4 more medical groups.
Does Dr. Marchelle June Bean Giannini accept Medicare?
Yes. CMS data shows Dr. Giannini billed Medicare for 20,121 services in 2024.
How many Medicare patients does Dr. Marchelle June Bean Giannini see?
CMS counts 696 Medicare patients who saw Dr. Giannini in 2024, with an average age of 73.
Show 5 more questionsShow fewer questions
Is Dr. Marchelle June Bean Giannini board certified?
Yes. Dr. Giannini is board certified in diagnostic radiology by the American Board of Radiology.
What services does Dr. Marchelle June Bean Giannini bill to Medicare?
In 2024, Dr. Giannini's most billed Medicare services were medicare temporary code (Q9967), diagnostic imaging (74177) and diagnostic imaging (71260).
Where did Dr. Marchelle June Bean Giannini go to medical school?
Dr. Giannini graduated from UMKC School of Medicine in 1997.
How long has Dr. Marchelle June Bean Giannini been practicing?
Dr. Giannini graduated from medical school in 1997, 29 years ago.
What insurance does Dr. Marchelle June Bean Giannini accept?
Dr. Giannini is in network with 23 carriers, including Elevance, Aetna and Excellus BlueCross BlueShield. HMO plans come from the most carriers, 11. Check the plan with the practice before a visit.
Selling to diagnostic radiology practices?
See diagnostic radiologists 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