Dr. Ambooj Tiwari, MD
- Medicare services, 2024
- 79
- Medicare patients, 2024
- 63
- Part D claims, 2024
- 48
- Hospital affiliations
- 3
- Industry payments
- $7,573
- Practice address
- 751 South Bascom Avenue, San Jose, CA 95128
- Practice phone
- Call (408) 885-5000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Tiwari'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. Ambooj Tiwari is a vascular neurology physician in San Jose, California
Dr. Tiwari practices at Santa Clara Valley Medical Center in San Jose, California, part of County of Santa Clara, CA.
Dr. Tiwari's NPI, 1609198779, was assigned on February 17, 2010. Dr. Tiwari holds New York license 276012-1.
- NPI
- 1609198779NPI Registry (opens in a new tab)
- Medicare PAC ID
- 3577783620
- NPI enumeration date
- February 17, 2010
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (408) 885-5000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 47
- Medical school graduation
- 2005
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Ambooj Tiwari practices at Santa Clara Valley Medical Center in San Jose, California
Dr. Tiwari's primary practice is Santa Clara Valley Medical Center, at 751 South Bascom Avenue, San Jose, CA 95128 in Santa Clara County. The practice phone is (408) 885-5000.
- Santa Clara Valley Medical Center751 South Bascom Avenue, San Jose, CA 95128 · Santa Clara CountyPhone(408) 885-5000
Source: Dmand AI Affiliation Data
Dr. Ambooj Tiwari is affiliated with 6 sites of care and 4 medical groups
Dr. Tiwari's primary practice is Santa Clara Valley Medical Center in San Jose, California, part of County of Santa Clara, CA. Dr. Tiwari is also affiliated with El Camino Health - Mountain View Hospital. The medical group on file is Neuranimus. Dmand AI also links Dr. Tiwari to 1 more hospital, 3 medical groups, 2 group practices and clinics and 1 community health center, 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. Ambooj Tiwari's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Tiwari practices, 6 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Santa Clara Valley Medical Center | Available with a free account |
| +5 more sites and 3 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 County of Santa Clara, CA and 6.2K+ hospitals, with verified contacts in the same login.
Dr. Ambooj Tiwari is one of 72 vascular neurology physicians in California
Vascular neurology is Dr. Tiwari's primary specialty in the NPI Registry, under taxonomy code 2084V0102X. Dmand AI has Dr. Tiwari's licenses on file in 2 states: New York and New Jersey.
Specialties and state licenses
- Vascular neurology, New YorkPrimary
- New Jersey license
Vascular neurology physicians near Dr. Tiwari
Counts of vascular neurology physicians 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. Ambooj Tiwari billed Medicare for 79 services in 2024
CMS data shows 79 Medicare services from Dr. Tiwari across 3 procedure codes in 2024, for 63 Medicare patients. Medicare paid $9,106 for them. Every service was in a facility, such as a hospital, rather than an office.
Dr. Tiwari's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 532024: 6523%
- Tests and treatments
- 2023: 02024: 14
Dr. Tiwari compared with the California median for vascular neurology physicians, 2024
- Dr. Tiwari
- California median
- Medicare services
- 79vs 27671% below
- Medicare patients
- 63vs 19968% below
- Part D claims
- 12vs 3465% below
Medians across 65 vascular neurology physicians in California with Dmand AI profiles that report each measure.
Dr. Tiwari'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. Ambooj Tiwari treated 63 Medicare patients in 2024, average age 77
CMS counts 63 Medicare patients who saw Dr. Tiwari in 2024. The largest group is 75 to 84, with 29 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 70% are also on Medicaid. Their average risk score is 2.24, 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. Tiwari's median patient age at 73, with 52% women.
Dr. Tiwari's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Dr. Tiwari's Medicare patients by sex, 2024
- Women3352%
- Men3048%
Chronic conditions among Dr. Tiwari's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Stroke or TIA75%
- Diabetes70%
- Ischemic heart disease52%
- Alzheimer's and dementia44%
- Arthritis43%
- Heart failure43%
Share of Medicare patients with each condition. A patient can have several.
Dr. Tiwari's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 73
Patient panel by sex, all payers
- Women52%
- Men46%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Ambooj Tiwari wrote 48 Medicare Part D claims in 2024
In 2024, Dr. Tiwari wrote 48 Medicare Part D claims for 20 patients. 94% of them were for generic drugs. CMS names the drug for 12 of them, across 1 drug with 11 or more claims each, at $50 in total drug cost. In 2017, CMS named 11 claims across 1 drug.
Dr. Tiwari's Part D claims by kind of drug, 2024
- Generic45 claims94%
- Brand-name and other3 claims6%
Dr. Tiwari's most prescribed drugs by claims, 2024
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
Part D claims for drugs CMS names, 2017 to 2024
- 2017
- 2024
- Claims for drugs CMS names
- 2017: 112024: 129%
Drugs named by CMS: 1 in 2024, 1 in 2017.
Sources: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026; and Medicare Part D Prescribers - by Provider (CMS), 2024 data
How Dr. Ambooj Tiwari takes part in Medicare
Dr. Tiwari accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
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Dr. Ambooj Tiwari received $7,573 in industry payments from 2016 to 2025
CMS Open Payments shows 124 general payments to Dr. Tiwari from 25 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 75% of the total. Stryker Corporation paid the most, $3,008.
General payments to Dr. Tiwari by program year, 2016 to 2025
General payments to Dr. Tiwari by kind, 2016 to 2025
- Food and beverage$5,71075%
- Travel and lodging$1,86325%
Companies that paid Dr. Tiwari the most, 2016 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Dr. Ambooj Tiwari'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) |
| Part D prescribing | Medicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab)Medicare Part D Prescribers - 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) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| 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. Ambooj Tiwari
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. Ambooj Tiwari's NPI number?
Dr. Ambooj Tiwari's NPI number is 1609198779. It was assigned on February 17, 2010, and it is active in the NPI Registry.
What kind of doctor is Dr. Ambooj Tiwari?
Dr. Ambooj Tiwari is a vascular neurology physician in San Jose, California. The primary specialty in the NPI Registry is Vascular Neurology Physician (taxonomy code 2084V0102X).
Where does Dr. Ambooj Tiwari practice?
Dr. Tiwari practices at 751 South Bascom Avenue, San Jose, CA 95128. Dr. Tiwari's primary practice is Santa Clara Valley Medical Center in San Jose, California, part of County of Santa Clara, CA. Dmand AI also links Dr. Tiwari to 1 hospital, 3 medical groups, 2 group practices and clinics and 1 community health center.
What is Dr. Ambooj Tiwari's office phone number?
The practice phone on file for Dr. Tiwari is (408) 885-5000.
What is Dr. Ambooj Tiwari's medical license number?
Dr. Tiwari holds New York license 276012-1, one of the licenses on file in 2 states.
Which states has Dr. Ambooj Tiwari been licensed in?
Dmand AI has state licenses on file for Dr. Tiwari in New York and New Jersey.
Which hospitals is Dr. Ambooj Tiwari affiliated with?
Dr. Tiwari practices at Santa Clara Valley Medical Center in San Jose, California. Dr. Tiwari is also affiliated with El Camino Health - Mountain View Hospital. Dmand AI links Dr. Tiwari to 1 more hospital.
What medical group is Dr. Ambooj Tiwari part of?
Dr. Tiwari is linked to Neuranimus. Dmand AI links Dr. Tiwari to 3 more medical groups.
Does Dr. Ambooj Tiwari accept Medicare?
Yes. CMS data shows Dr. Tiwari billed Medicare for 79 services in 2024, and Dr. Tiwari accepts Medicare assignment.
How many Medicare patients does Dr. Ambooj Tiwari see?
CMS counts 63 Medicare patients who saw Dr. Tiwari in 2024, with an average age of 77.
Show 4 more questionsShow fewer questions
What services does Dr. Ambooj Tiwari bill to Medicare?
In 2024, Dr. Tiwari's most billed Medicare services were hospital inpatient care (99223), hospital inpatient care (99233) and nerve and brain test (95816).
What drugs does Dr. Ambooj Tiwari prescribe most?
In 2024 Medicare Part D data, Dr. Tiwari's most prescribed drugs by claims were Duloxetine HCl.
Has Dr. Ambooj Tiwari received payments from drug or device companies?
CMS Open Payments shows $7,573 in general payments to Dr. Tiwari from 25 companies from 2016 to 2025. The largest total came from Stryker Corporation.
How long has Dr. Ambooj Tiwari been practicing?
Dr. Tiwari graduated from medical school in 2005, 21 years ago.
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