Dr. Vikrum Ashok Thimmappa, MD
- Part D claims, 2016
- 11
- Publications
- 12
- Clinical trials
- 1
- Industry payments
- $638
- Affiliated sites
- 2
- Practice address
- 9961 Sierra Ave, Fontana, CA 92335
- Practice phone
- Call (909) 427-3910
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Fontana Medical Center
Fontana, California
Find Dr. Thimmappa'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. Vikrum Ashok Thimmappa is a pediatric otolaryngology physician in Fontana, California
Dr. Thimmappa practices at Fontana Medical Center in Fontana, California.
Dr. Thimmappa's NPI, 1053756452, was assigned on April 30, 2013. Dr. Thimmappa graduated from Cleveland Medical College, Homeopathic in 2013. Dr. Thimmappa's Ohio license number on file is 35.133639.
- NPI
- 1053756452NPI Registry (opens in a new tab)
- Medicare PAC ID
- 4789912296
- NPI enumeration date
- April 30, 2013
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (909) 427-3910
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 39
- Medical school graduation
- 2013
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Vikrum Ashok Thimmappa practices at Fontana Medical Center in Fontana, California
Dr. Thimmappa's primary practice is Fontana Medical Center, at 9961 Sierra Ave, Fontana, CA 92335 in San Bernardino County. The practice phone is (909) 427-3910.
- Fontana Medical Center9961 Sierra Ave, Fontana, CA 92335 · San Bernardino CountyPhone(909) 427-3910
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Vikrum Ashok Thimmappa is affiliated with 3 sites of care and 3 medical groups
Dr. Thimmappa's primary practice is Fontana Medical Center in Fontana, California. The medical group on file is Southern California Permanente Medical Group. Dmand AI also links Dr. Thimmappa to 2 more group practices and clinics and 2 medical groups, each named with a free account.
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; and Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Dr. Vikrum Ashok Thimmappa's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Thimmappa practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Fontana Medical Center | Available with a free account |
| +2 more sites and 2 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 each health system and 6.2K+ hospitals, with verified contacts in the same login.
Dr. Vikrum Ashok Thimmappa is one of 81 pediatric otolaryngology physicians in California
Pediatric otolaryngology is Dr. Thimmappa's primary specialty in the NPI Registry, under taxonomy code 207YP0228X. Dr. Thimmappa is board certified in otolaryngology by the American Board of Otolaryngology - Head and Neck Surgery. Dmand AI has Dr. Thimmappa's licenses on file in 2 states: Ohio and California.
Specialties and state licenses
- Pediatric otolaryngology, OhioPrimary
- California license
Pediatric otolaryngology physicians near Dr. Thimmappa
Counts of pediatric otolaryngology 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. Vikrum Ashok Thimmappa's patients have a median age of 8
Across all payers, Dmand AI patient panel data puts Dr. Thimmappa's median patient age at 8, with 43% women.
Dr. Thimmappa's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 8
Patient panel by sex, all payers
- Women43%
- Men57%
Source: Dmand AI Patient Panel Data
Dr. Vikrum Ashok Thimmappa wrote 11 Medicare Part D claims in 2016
In 2016, Dr. Thimmappa wrote 11 Medicare Part D claims. They cover 1 drug, with $77 in total drug cost.
Dr. Thimmappa's most prescribed drugs by claims, 2016
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
Source: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026
How Dr. Vikrum Ashok Thimmappa takes part in Medicare
Dr. Thimmappa 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)
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. Vikrum Ashok Thimmappa has 12 publications on record
Dmand AI links 12 papers to Dr. Thimmappa, published from 2013 to 2024. 2015 was the busiest year, with 2. Dr. Thimmappa has published most often in Gland Surg. Dr. Thimmappa's most frequent co-authors are Merry Ellen Sebelik, MD, Courtney Brooke Shires, MD and Brian E. William Hanak, MD.
Dr. Thimmappa's papers by year, 2013 to 2024
Dr. Thimmappa's most frequent co-authors
- Merry Ellen Sebelik, MD3 shared papers
- Courtney Brooke Shires, MD3 shared papers
- Brian E. William Hanak, MD2 shared papers
Recent publications by Dr. Thimmappa
Otolaryngol Head Neck Surg
See who Dr. Thimmappa researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Thimmappa works with, so you can find a warm path to the right pediatric otolaryngology physicians.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. Vikrum Ashok Thimmappa has worked on 1 clinical trial
Dmand AI links Dr. Thimmappa to 1 clinical trial. 1 is still active or recruiting. Conditions studied include tonsillolith and Tonsillitis.
Conditions in Dr. Thimmappa's trials
- tonsillolith
- Tonsillitis
Investigators on the most trials with Dr. Thimmappa
- Shannon Olivia Calaguas, MD1 shared trial
- Ethan D. Frank, MD1 shared trial
- Tsungju J. O-Lee, MD1 shared trial
Recent clinical trials with Dr. Thimmappa
Sources: Dmand AI Research Linkage; and ClinicalTrials.gov (National Library of Medicine)
Dr. Vikrum Ashok Thimmappa received $638 in industry payments from 2018 to 2019
CMS Open Payments shows 9 general payments to Dr. Thimmappa from 5 drug and device companies from 2018 to 2019. Food and beverage make up the largest share, 67% of the total. Smith & Nephew, Inc. paid the most, $211.
General payments to Dr. Thimmappa by program year, 2018 to 2019
General payments to Dr. Thimmappa by kind, 2018 to 2019
- Food and beverage$42767%
- Education$21133%
Companies that paid Dr. Thimmappa the most, 2018 to 2019
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Vikrum Ashok Thimmappa graduated from Cleveland Medical College, Homeopathic
Dr. Thimmappa graduated from Cleveland Medical College, Homeopathic in 2013.
- Medical school
- Board certified in otolaryngology
Source: Dmand AI Professional Profile Data
Dr. Vikrum Ashok Thimmappa accepts plans from 19 insurance carriers
Dr. Thimmappa is in network with 19 carriers, including Aetna, Blue Cross Blue Shield of Michigan and United Healthcare. PPO plans come from the most carriers, 9. Check the plan with the practice before a visit.
- Aetna
- Blue Cross Blue Shield of Michigan
- United Healthcare
- Elevance
- HCSC
- Kaiser Permanente
- Blue Cross Blue Shield of Massachusetts
- Molina
- +11 more carriersWith a free account
Plan types Dr. Thimmappa accepts, by number of carriers
- PPO9
- HMO8
- Medicare8
- EPO5
- POS5
- Medicaid3
Source: Dmand AI Insurance Network Data
Sources for Dr. Vikrum Ashok Thimmappa'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 | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data |
| Primary practice, affiliations and health system | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand AI Affiliation Data |
| 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) |
| 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 |
| Clinical trials and co-investigators | Dmand AI Research LinkageClinicalTrials.gov (National Library of Medicine) (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. Vikrum Ashok Thimmappa
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. Vikrum Ashok Thimmappa's NPI number?
Dr. Vikrum Ashok Thimmappa's NPI number is 1053756452. It was assigned on April 30, 2013, and it is active in the NPI Registry.
What kind of doctor is Dr. Vikrum Ashok Thimmappa?
Dr. Vikrum Ashok Thimmappa is a pediatric otolaryngology physician in Fontana, California. The primary specialty in the NPI Registry is Pediatric Otolaryngology Physician (taxonomy code 207YP0228X).
Where does Dr. Vikrum Ashok Thimmappa practice?
Dr. Thimmappa practices at 9961 Sierra Ave, Fontana, CA 92335. Dr. Thimmappa's primary practice is Fontana Medical Center in Fontana, California. Dmand AI also links Dr. Thimmappa to 2 group practices and clinics and 2 medical groups.
What is Dr. Vikrum Ashok Thimmappa's office phone number?
The practice phone on file for Dr. Thimmappa is (909) 427-3910.
What is Dr. Vikrum Ashok Thimmappa's medical license number?
Dr. Thimmappa's Ohio license number on file is 35.133639, one of the licenses on file in 2 states.
Which states has Dr. Vikrum Ashok Thimmappa been licensed in?
Dmand AI has state licenses on file for Dr. Thimmappa in Ohio (2018 to 2025) and California (2019 to 2025).
What medical group is Dr. Vikrum Ashok Thimmappa part of?
Dr. Thimmappa is linked to Southern California Permanente Medical Group. Dmand AI links Dr. Thimmappa to 2 more medical groups.
Does Dr. Vikrum Ashok Thimmappa accept Medicare?
Yes. CMS lists Dr. Thimmappa as accepting Medicare assignment.
Is Dr. Vikrum Ashok Thimmappa board certified?
Yes. Dr. Thimmappa is board certified in otolaryngology by the American Board of Otolaryngology - Head and Neck Surgery.
Where did Dr. Vikrum Ashok Thimmappa go to medical school?
Dr. Thimmappa graduated from Cleveland Medical College, Homeopathic in 2013.
Show 6 more questionsShow fewer questions
What drugs does Dr. Vikrum Ashok Thimmappa prescribe most?
In 2016 Medicare Part D data, Dr. Thimmappa's most prescribed drugs by claims were Oxycodone-Acetaminophen.
Has Dr. Vikrum Ashok Thimmappa received payments from drug or device companies?
CMS Open Payments shows $638 in general payments to Dr. Thimmappa from 5 companies from 2018 to 2019. The largest total came from Smith & Nephew, Inc.
How long has Dr. Vikrum Ashok Thimmappa been practicing?
Dr. Thimmappa graduated from medical school in 2013, 13 years ago.
Does Dr. Vikrum Ashok Thimmappa do research?
Dmand AI links 12 publications to Dr. Thimmappa, published from 2013 to 2024. Dr. Thimmappa has worked on 1 clinical trial.
Who does Dr. Vikrum Ashok Thimmappa publish with?
Dr. Thimmappa's most frequent co-authors are Merry Ellen Sebelik, MD (3 shared papers), Courtney Brooke Shires, MD (3 shared papers) and Brian E. William Hanak, MD (2 shared papers).
What insurance does Dr. Vikrum Ashok Thimmappa accept?
Dr. Thimmappa is in network with 19 carriers, including Aetna, Blue Cross Blue Shield of Michigan and United Healthcare. PPO plans come from the most carriers, 9. Check the plan with the practice before a visit.
Selling to pediatric otolaryngology practices?
See pediatric otolaryngology physicians 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