Dr. Prasong Benson Vassantachart, MD
- Medicare services, 2024
- 50
- Medicare patients, 2024
- 139
- Hospital affiliations
- 1
- Industry payments
- $8,582
- Medical groups
- 2
- Practice address
- 2500 Merced Street, San Leandro, CA 94577
- Practice phone
- Call (510) 454-1000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Vassantachart'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. Prasong Benson Vassantachart is an anesthesiologist in San Leandro, California
Dr. Vassantachart practices at San Leandro Medical Center in San Leandro, California, part of Kaiser Permanente.
Dr. Vassantachart's NPI, 1659323863, was assigned on May 16, 2006. Dr. Vassantachart graduated from Loma Linda University School Of Medicine in 1996. Dr. Vassantachart holds California license A68532.
- NPI
- 1659323863NPI Registry (opens in a new tab)
- NPI enumeration date
- May 16, 2006
- NPI status
- Active
- Practice phone
- (510) 454-1000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 56
- Medical school graduation
- 1996
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Affiliation Data
Dr. Prasong Benson Vassantachart practices at San Leandro Medical Center in San Leandro, California
Dr. Vassantachart's primary practice is San Leandro Medical Center, at 2500 Merced Street, San Leandro, CA 94577 in Alameda County. The practice phone is (510) 454-1000.
- San Leandro Medical Center2500 Merced Street, San Leandro, CA 94577 · Alameda CountyPhone(510) 454-1000
Source: Dmand AI Affiliation Data
Dr. Prasong Benson Vassantachart is affiliated with 1 site of care and 2 medical groups
Dr. Vassantachart's primary practice is San Leandro Medical Center in San Leandro, California, part of Kaiser Permanente. The medical group on file is The Permanente Medical Group, Inc. Dmand AI also links Dr. Vassantachart to 1 more medical group, named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Prasong Benson Vassantachart's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Vassantachart practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| San Leandro Medical Center | Available with a free account |
| +1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Prasong Benson Vassantachart is one of 6,593 anesthesiologists in California
Anesthesiology is Dr. Vassantachart's primary specialty in the NPI Registry, under taxonomy code 207L00000X. Dr. Vassantachart is board certified in anesthesiology by the American Board of Anesthesiology. Dmand AI has Dr. Vassantachart's licenses on file in 2 states: California and Hawaii.
Specialties and state licenses
- Anesthesiology, CaliforniaPrimary
- Hawaii license
Anesthesiologists near Dr. Vassantachart
Counts of anesthesiologists 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. Prasong Benson Vassantachart billed Medicare for 50 services in 2024
CMS data shows 50 Medicare services from Dr. Vassantachart across 2 procedure codes in 2024, for 139 Medicare patients. Medicare paid $5,130 for them. Every service was in a facility, such as a hospital, rather than an office.
Dr. Vassantachart's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Anesthesia
- 2023: 722024: 5031%
Dr. Vassantachart compared with the California median for anesthesiologists, 2024
- Dr. Vassantachart
- California median
- Medicare services
- 50vs 7231% below
- Medicare patients
- 139vs 143Close to median
Medians across 5,562 anesthesiologists in California with Dmand AI profiles that report each measure.
Dr. Vassantachart'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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Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Vassantachart and other anesthesiologists in California.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Prasong Benson Vassantachart treated 139 Medicare patients in 2024, average age 76
CMS counts 139 Medicare patients who saw Dr. Vassantachart in 2024. The largest group is 75 to 84, with 59 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 15% are also on Medicaid. Their average risk score is 1.77, 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. Vassantachart's median patient age at 58, with 54% women.
Dr. Vassantachart's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Dr. Vassantachart's Medicare patients by sex, 2024
- Women6950%
- Men7050%
Chronic conditions among Dr. Vassantachart's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Arthritis55%
- Ischemic heart disease35%
- Chronic kidney disease33%
- Diabetes33%
- Atrial fibrillation31%
- Anxiety28%
Share of Medicare patients with each condition. A patient can have several.
Dr. Vassantachart's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 58
Patient panel by sex, all payers
- Women54%
- Men46%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
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Dr. Prasong Benson Vassantachart received $8,582 in industry payments from 2016 to 2025
CMS Open Payments shows 30 general payments to Dr. Vassantachart from 14 drug and device companies from 2016 to 2025. Honoraria make up the largest share, 41% of the total. Edwards Lifesciences Corporation paid the most, $5,417.
General payments to Dr. Vassantachart by program year, 2016 to 2025
General payments to Dr. Vassantachart by kind, 2016 to 2025
- Honoraria$3,55041%
- Consulting fees$3,54941%
- Food and beverage$1,08313%
- Speaker and faculty fees$4005%
Companies that paid Dr. Vassantachart the most, 2016 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Prasong Benson Vassantachart graduated from Loma Linda University School Of Medicine
Dr. Vassantachart graduated from Loma Linda University School Of Medicine in 1996.
- Medical school
- Board certified in anesthesiology
Source: Dmand AI Professional Profile Data
Dr. Prasong Benson Vassantachart accepts plans from 2 insurance carriers
Dr. Vassantachart is in network with 2 carriers, including Excellus BlueCross BlueShield and CMS Medicare. Medicare plans come from the most carriers, 2. Check the plan with the practice before a visit.
- Excellus BlueCross BlueShield
- CMS Medicare
Plan types Dr. Vassantachart accepts, by number of carriers
- Medicare2
- EPO1
- HMO1
- POS1
- PPO1
Source: Dmand AI Insurance Network Data
Sources for Dr. Prasong Benson Vassantachart'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) |
| 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. Prasong Benson Vassantachart
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. Prasong Benson Vassantachart's NPI number?
Dr. Prasong Benson Vassantachart's NPI number is 1659323863. It was assigned on May 16, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Prasong Benson Vassantachart?
Dr. Prasong Benson Vassantachart is an anesthesiologist in San Leandro, California. The primary specialty in the NPI Registry is Anesthesiology Physician (taxonomy code 207L00000X).
Where does Dr. Prasong Benson Vassantachart practice?
Dr. Vassantachart practices at 2500 Merced Street, San Leandro, CA 94577. Dr. Vassantachart's primary practice is San Leandro Medical Center in San Leandro, California, part of Kaiser Permanente. Dmand AI also links Dr. Vassantachart to 1 medical group.
What is Dr. Prasong Benson Vassantachart's office phone number?
The practice phone on file for Dr. Vassantachart is (510) 454-1000.
What is Dr. Prasong Benson Vassantachart's medical license number?
Dr. Vassantachart holds California license A68532, one of the licenses on file in 2 states.
Which states has Dr. Prasong Benson Vassantachart been licensed in?
Dmand AI has state licenses on file for Dr. Vassantachart in California (1999 to 2027) and Hawaii (2001 to 2014).
Which hospitals is Dr. Prasong Benson Vassantachart affiliated with?
Dr. Vassantachart practices at San Leandro Medical Center in San Leandro, California.
What medical group is Dr. Prasong Benson Vassantachart part of?
Dr. Vassantachart is linked to The Permanente Medical Group, Inc. Dmand AI links Dr. Vassantachart to 1 more medical group.
Does Dr. Prasong Benson Vassantachart accept Medicare?
Yes. CMS data shows Dr. Vassantachart billed Medicare for 50 services in 2024.
How many Medicare patients does Dr. Prasong Benson Vassantachart see?
CMS counts 139 Medicare patients who saw Dr. Vassantachart in 2024, with an average age of 76.
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Is Dr. Prasong Benson Vassantachart board certified?
Yes. Dr. Vassantachart is board certified in anesthesiology by the American Board of Anesthesiology.
What services does Dr. Prasong Benson Vassantachart bill to Medicare?
In 2024, Dr. Vassantachart's most billed Medicare services were anesthesia (00142) and anesthesia (00731).
Where did Dr. Prasong Benson Vassantachart go to medical school?
Dr. Vassantachart graduated from Loma Linda University School Of Medicine in 1996.
Has Dr. Prasong Benson Vassantachart received payments from drug or device companies?
CMS Open Payments shows $8,582 in general payments to Dr. Vassantachart from 14 companies from 2016 to 2025. The largest total came from Edwards Lifesciences Corporation.
How long has Dr. Prasong Benson Vassantachart been practicing?
Dr. Vassantachart graduated from medical school in 1996, 30 years ago.
What insurance does Dr. Prasong Benson Vassantachart accept?
Dr. Vassantachart is in network with 2 carriers, including Excellus BlueCross BlueShield and CMS Medicare. Medicare plans come from the most carriers, 2. Check the plan with the practice before a visit.
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