Dr. Vijay Prakash Tiwari, MD
- Medicare services, 2023
- 41
- Part D claims, 2024
- 235
- Publications
- 1
- Hospital affiliations
- 2
- Industry payments
- $102
- 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
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Dr. Vijay Prakash Tiwari is an internist in San Leandro, California
Dr. Tiwari practices at San Leandro Medical Center in San Leandro, California, part of Kaiser Permanente.
Dr. Tiwari's NPI, 1790935948, was assigned on September 24, 2008. Dr. Tiwari graduated from Government Medical College Thiruvananthapuram in 2004. Dr. Tiwari holds California license A105441.
- NPI
- 1790935948NPI Registry (opens in a new tab)
- Medicare PAC ID
- 7719033992
- NPI enumeration date
- September 24, 2008
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (510) 454-1000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 48
- Medical school graduation
- 2004
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Vijay Prakash Tiwari practices at San Leandro Medical Center in San Leandro, California
Dr. Tiwari'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. Vijay Prakash Tiwari is affiliated with 2 sites of care and 1 medical group
Dr. Tiwari's primary practice is San Leandro Medical Center in San Leandro, California, part of Kaiser Permanente. Dr. Tiwari is also affiliated with Fremont Medical Center. The medical group on file is The Permanente Medical Group, Inc.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Vijay Prakash Tiwari's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Tiwari practices, 2 sites in all. 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 more affiliated site | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Vijay Prakash Tiwari is one of 16,751 internists in California
Internal medicine is Dr. Tiwari's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dr. Tiwari is board certified in internal medicine by the American Board of Internal Medicine. Dr. Tiwari is licensed in California.
Specialties and state licenses
- Internal medicine, CaliforniaPrimary
Internists near Dr. Tiwari
Counts of internists 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. Vijay Prakash Tiwari billed Medicare for 41 services in 2023
CMS data shows 41 Medicare services from Dr. Tiwari across 1 procedure code in 2023. Medicare paid $2,876 for them. Every service was in a facility, such as a hospital, rather than an office.
Dr. Tiwari compared with the California median for internists, 2023
- Dr. Tiwari
- California median
- Medicare services
- 41vs 36189% below
- Part D claims
- 83vs 42180% below
Medians across 15,815 internists in California with Dmand AI profiles that report each measure.
Dr. Tiwari's most billed Medicare procedure codes, 2023
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. Tiwari?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Tiwari and other internists in California.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Vijay Prakash Tiwari's patients have a median age of 74
Across all payers, Dmand AI patient panel data puts Dr. Tiwari's median patient age at 74, with 50% women.
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 74
Patient panel by sex, all payers
- Women50%
- Men49%
Source: Dmand AI Patient Panel Data
Dr. Vijay Prakash Tiwari wrote 235 Medicare Part D claims in 2024
In 2024, Dr. Tiwari wrote 235 Medicare Part D claims for 78 patients. 83% of them were for generic drugs. CMS names the drug for 83 of them, across 5 drugs with 11 or more claims each, at $738 in total drug cost. In 2023, CMS named 234 claims across 12 drugs.
Dr. Tiwari's Part D claims by kind of drug, 2024
- Generic196 claims83%
- Brand-name and other39 claims17%
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.
Drug classes CMS tracks in Dr. Tiwari's Part D claims, 2024
- Antibiotics14%33 of 235 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
Part D claims for drugs CMS names, 2023 to 2024
- 2023
- 2024
- Claims for drugs CMS names
- 2023: 2342024: 8365%
Drugs named by CMS: 5 in 2024, 12 in 2023.
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. Vijay Prakash 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. Vijay Prakash Tiwari has 1 publication on record
Dmand AI links 1 paper to Dr. Tiwari.
Recent publications by Dr. Tiwari
See who Dr. Tiwari researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Tiwari works with, so you can find a warm path to the right internists.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. Vijay Prakash Tiwari received $102 in industry payments in 2017
CMS Open Payments shows 1 general payment to Dr. Tiwari from 1 drug or device company in 2017. Food and beverage make up the largest share, 100% of the total. Covidien LP paid the most, $102.
Companies that paid Dr. Tiwari the most, 2017 to 2017
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Vijay Prakash Tiwari has 9 awards and honors on record
Dmand AI lists 9 awards for Dr. Tiwari, most recently Donald Kaufman Physician of the year 2013 in 2013.
Awards and honors for Dr. Tiwari
- 2013
- Donald Kaufman Physician of the year 2013
- 2012
- “ Outstanding Supporting Physician of the year” Award for GSAA
- 2011
- "Compassion in Action” Award of the year by Palliative Care Team at GSAA
- “ Making Lives Better” Award for GSAA
- 2010
- Amongst Three Final Nominees for Best Physician Award of the Year 2010 at GSAA
- 2008
- First Place award in the Clinical Vignette of Poster Session
Dr. Tiwari's committees and leadership roles
- Physician Health & WellnessMember
- 2011 to 2018
- Code Blue CommitteeMember
- 2010 to 2015
- Critical Care CommitteeMember
- 2010 to 2017
Source: Dmand AI Professional Profile Data
Dr. Vijay Prakash Tiwari graduated from Government Medical College Thiruvananthapuram
Dr. Tiwari graduated from Government Medical College Thiruvananthapuram in 2004.
- Medical school
- Board certified in internal medicine
Source: Dmand AI Professional Profile Data
Dr. Vijay Prakash Tiwari accepts plans from 2 insurance carriers
Dr. Tiwari is in network with 2 carriers, including Kaiser Permanente and CMS Medicare. EPO plans come from the most carriers, 1. Check the plan with the practice before a visit.
- Kaiser Permanente
- CMS Medicare
Plan types Dr. Tiwari accepts, by number of carriers
- EPO1
- HMO1
- Medicare1
- POS1
Source: Dmand AI Insurance Network Data
Sources for Dr. Vijay Prakash 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 Data |
| 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) |
| 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) |
| Awards and committee roles | Dmand AI Professional Profile Data |
| 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. Vijay Prakash 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. Vijay Prakash Tiwari's NPI number?
Dr. Vijay Prakash Tiwari's NPI number is 1790935948. It was assigned on September 24, 2008, and it is active in the NPI Registry.
What kind of doctor is Dr. Vijay Prakash Tiwari?
Dr. Vijay Prakash Tiwari is an internist in San Leandro, California. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).
Where does Dr. Vijay Prakash Tiwari practice?
Dr. Tiwari practices at 2500 Merced Street, San Leandro, CA 94577. Dr. Tiwari's primary practice is San Leandro Medical Center in San Leandro, California, part of Kaiser Permanente.
What is Dr. Vijay Prakash Tiwari's office phone number?
The practice phone on file for Dr. Tiwari is (510) 454-1000.
What is Dr. Vijay Prakash Tiwari's medical license number?
Dr. Tiwari holds California license A105441.
Which hospitals is Dr. Vijay Prakash Tiwari affiliated with?
Dr. Tiwari practices at San Leandro Medical Center in San Leandro, California. Dr. Tiwari is also affiliated with Fremont Medical Center.
What medical group is Dr. Vijay Prakash Tiwari part of?
Dr. Tiwari is linked to The Permanente Medical Group, Inc.
Does Dr. Vijay Prakash Tiwari accept Medicare?
Yes. CMS data shows Dr. Tiwari billed Medicare for 41 services in 2023, and Dr. Tiwari accepts Medicare assignment.
Is Dr. Vijay Prakash Tiwari board certified?
Yes. Dr. Tiwari is board certified in internal medicine by the American Board of Internal Medicine.
What services does Dr. Vijay Prakash Tiwari bill to Medicare?
In 2023, Dr. Tiwari's most billed Medicare services were hospital inpatient care (99232).
Show 6 more questionsShow fewer questions
Where did Dr. Vijay Prakash Tiwari go to medical school?
Dr. Tiwari graduated from Government Medical College Thiruvananthapuram in 2004.
What drugs does Dr. Vijay Prakash Tiwari prescribe most?
In 2024 Medicare Part D data, Dr. Tiwari's most prescribed drugs by claims were Famotidine, Metoprolol Tartrate and Furosemide.
Has Dr. Vijay Prakash Tiwari received payments from drug or device companies?
CMS Open Payments shows $102 in general payments to Dr. Tiwari from 1 company from 2017 to 2017. The largest total came from Covidien LP.
How long has Dr. Vijay Prakash Tiwari been practicing?
Dr. Tiwari graduated from medical school in 2004, 22 years ago.
Does Dr. Vijay Prakash Tiwari do research?
Dmand AI links 1 publication to Dr. Tiwari.
What insurance does Dr. Vijay Prakash Tiwari accept?
Dr. Tiwari is in network with 2 carriers, including Kaiser Permanente and CMS Medicare. EPO plans come from the most carriers, 1. Check the plan with the practice before a visit.
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