Dr. Rene Tellez Jr., MD
- Part D claims, 2024
- 217
- Publications
- 5
- Hospital affiliations
- 1
- Medical groups
- 2
- Insurance carriers
- 2
- Practice address
- 9961 Sierra Ave, Fontana, CA 92335
- Practice phone
- Call (909) 427-5000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Tellez'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. Rene Tellez Jr. is a general surgeon in Fontana, California
Dr. Tellez practices at Fontana Medical Center in Fontana, California, part of Kaiser Permanente.
Dr. Tellez's NPI, 1619331923, was assigned on April 12, 2016. Dr. Tellez graduated from Mayo Clinic Alix School of Medicine - Rochester in 2016. Dr. Tellez holds California license A151199.
- NPI
- 1619331923NPI Registry (opens in a new tab)
- Medicare PAC ID
- 1456616804
- NPI enumeration date
- April 12, 2016
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (909) 427-5000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 36
- Medical school graduation
- 2016
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Rene Tellez Jr. practices at Fontana Medical Center in Fontana, California
Dr. Tellez's primary practice is Fontana Medical Center, at 9961 Sierra Ave, Fontana, CA 92335 in San Bernardino County. The practice phone is (909) 427-5000.
- Fontana Medical Center9961 Sierra Ave, Fontana, CA 92335 · San Bernardino CountyPhone(909) 427-5000
Source: Dmand AI Affiliation Data
Dr. Rene Tellez Jr. is affiliated with 3 sites of care and 2 medical groups
Dr. Tellez's primary practice is Fontana Medical Center in Fontana, California, part of Kaiser Permanente. The medical group on file is Southern California Permanente Medical Group. Dmand AI also links Dr. Tellez to 2 more group practices and clinics and 1 medical group, 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. Rene Tellez Jr.'s practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Tellez practices, 3 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 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Rene Tellez Jr. is one of 2,926 general surgeons in California
Surgery is Dr. Tellez's primary specialty in the NPI Registry, under taxonomy code 208600000X. Dr. Tellez is board certified in atls by the ACS. Dr. Tellez is licensed in California.
Specialties and state licenses
- Surgery, CaliforniaPrimary
Clinical focus
Dmand AI lists gallbladder removal among the conditions Dr. Tellez treats.
General surgeons near Dr. Tellez
Counts of general surgeons 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. Rene Tellez Jr.'s patients have a median age of 51
Across all payers, Dmand AI patient panel data puts Dr. Tellez's median patient age at 51, with 66% women.
Dr. Tellez's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 51
Patient panel by sex, all payers
- Women66%
- Men34%
Source: Dmand AI Patient Panel Data
Dr. Rene Tellez Jr. wrote 217 Medicare Part D claims in 2024
In 2024, Dr. Tellez wrote 217 Medicare Part D claims for 80 patients. 99% of them were for generic drugs. CMS names the drug for 142 of them, across 5 drugs with 11 or more claims each, at $1,171 in total drug cost. In 2023, CMS named 136 claims across 5 drugs.
Dr. Tellez's Part D claims by kind of drug, 2024
- Generic214 claims99%
- Brand-name and other3 claims1%
Dr. Tellez'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. Tellez's Part D claims, 2024
- Opioids34%74 of 217 claims
- Antibiotics9%19 of 217 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: 1362024: 1424%
Drugs named by CMS: 5 in 2024, 5 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. Rene Tellez Jr. takes part in Medicare
Dr. Tellez accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Mastectomy: 1 to 10 procedures (CMS shows small counts as a range)
Sources: Doctors and Clinicians National Downloadable File (CMS); and Doctors and Clinicians Utilization Data (CMS)
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Dr. Rene Tellez Jr. has 5 publications on record
Dmand AI links 5 papers to Dr. Tellez, published from 2018 to 2022. Dr. Tellez's most frequent co-authors are Michael William Cullen, MD, Andrew J. Widmer, MD and Dipti Banerjee, MD.
Dr. Tellez's papers by year, 2018 to 2022
Dr. Tellez's most frequent co-authors
- Michael William Cullen, MD3 shared papers
- Andrew J. Widmer, MD3 shared papers
- Dipti Banerjee, MD2 shared papers
Recent publications by Dr. Tellez
J Am Soc Echocardiogr
See who Dr. Tellez researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Tellez works with, so you can find a warm path to the right general surgeons.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. Rene Tellez Jr. graduated from Mayo Clinic Alix School of Medicine - Rochester
Dr. Tellez graduated from Mayo Clinic Alix School of Medicine - Rochester in 2016.
- Medical school
- Board certified in atls
- Board certified in surgery
Source: Dmand AI Professional Profile Data
Dr. Rene Tellez Jr. accepts plans from 2 insurance carriers
Dr. Tellez 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. Tellez accepts, by number of carriers
- EPO1
- HMO1
- Medicare1
- POS1
Source: Dmand AI Insurance Network Data
Sources for Dr. Rene Tellez Jr.'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 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)Doctors and Clinicians Utilization Data (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 |
| 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. Rene Tellez Jr.
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. Rene Tellez Jr.'s NPI number?
Dr. Rene Tellez Jr.'s NPI number is 1619331923. It was assigned on April 12, 2016, and it is active in the NPI Registry.
What kind of doctor is Dr. Rene Tellez Jr.?
Dr. Rene Tellez Jr. is a general surgeon in Fontana, California. The primary specialty in the NPI Registry is Surgery Physician (taxonomy code 208600000X).
Where does Dr. Rene Tellez Jr. practice?
Dr. Tellez practices at 9961 Sierra Ave, Fontana, CA 92335. Dr. Tellez's primary practice is Fontana Medical Center in Fontana, California, part of Kaiser Permanente. Dmand AI also links Dr. Tellez to 2 group practices and clinics and 1 medical group.
What is Dr. Rene Tellez Jr.'s office phone number?
The practice phone on file for Dr. Tellez is (909) 427-5000.
What is Dr. Rene Tellez Jr.'s medical license number?
Dr. Tellez holds California license A151199.
Which hospitals is Dr. Rene Tellez Jr. affiliated with?
Dr. Tellez practices at Fontana Medical Center in Fontana, California.
What medical group is Dr. Rene Tellez Jr. part of?
Dr. Tellez is linked to Southern California Permanente Medical Group. Dmand AI links Dr. Tellez to 1 more medical group.
Does Dr. Rene Tellez Jr. accept Medicare?
Yes. CMS lists Dr. Tellez as accepting Medicare assignment.
Is Dr. Rene Tellez Jr. board certified?
Yes. Dr. Tellez is board certified in atls by the ACS.
Where did Dr. Rene Tellez Jr. go to medical school?
Dr. Tellez graduated from Mayo Clinic Alix School of Medicine - Rochester in 2016.
Show 5 more questionsShow fewer questions
What drugs does Dr. Rene Tellez Jr. prescribe most?
In 2024 Medicare Part D data, Dr. Tellez's most prescribed drugs by claims were Ibuprofen, Tramadol HCl and Oxycodone HCl.
How long has Dr. Rene Tellez Jr. been practicing?
Dr. Tellez graduated from medical school in 2016, 10 years ago.
Does Dr. Rene Tellez Jr. do research?
Dmand AI links 5 publications to Dr. Tellez, published from 2018 to 2022.
Who does Dr. Rene Tellez Jr. publish with?
Dr. Tellez's most frequent co-authors are Michael William Cullen, MD (3 shared papers), Andrew J. Widmer, MD (3 shared papers) and Dipti Banerjee, MD (2 shared papers).
What insurance does Dr. Rene Tellez Jr. accept?
Dr. Tellez 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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