Dr. Rene Tellez Jr., MD

  • Fontana, CA
  • General surgeon
NPI1619331923PAC ID1456616804
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
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Personal email
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Mobile number
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Social profiles

Primary practice

Fontana Medical Center

Hospital · Fontana, California

See all 5 affiliations

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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 and contact details
Medicare PAC ID
1456616804
NPI enumeration date
April 12, 2016
NPI status
Active
Accepts Medicare assignment
Yes
Practice phone
(909) 427-5000
Professional email
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Personal email
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Mobile number
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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.

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.

See all 5 affiliations for Dr. Tellez

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.

EHR by site
SiteEHR vendor and product
Fontana Medical CenterAvailable with a free account
+2 more sites and 1 medical groupAvailable with a free account

Source: Dmand AI Technology Install Data

For health IT teams

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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, CaliforniaPrimaryLicense A151199 · 2019 to 2027 · taxonomy 208600000X

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.

Part D claims, 2024217
Drugs named by CMS5
Total drug cost$1,171
Part D patients80

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.

See all prescribing by Dr. Tellez

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.

Papers5
Years published2018 to 2022

Dr. Tellez's papers by year, 2018 to 2022

Dr. Tellez's most frequent co-authors

Recent publications by Dr. Tellez

See all 5 publications and co-authors

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.

How network discovery works

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.

  1. Medical schoolMayo Clinic Alix School of Medicine - Rochester
  2. Board certified in atlsACS
  3. Board certified in surgeryAmerican Board of 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

  1. EPO1
  2. HMO1
  3. Medicare1
  4. POS1

Source: Dmand AI Insurance Network Data

Sources for Dr. Rene Tellez Jr.'s profile data

Sources for the data on this page
Data on this pageSource
NPI, name, sex, specialty and licensesNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data
Practice locations and phoneDmand AI Affiliation Data
Primary practice, affiliations and health systemDmand AI Affiliation DataDmand AI Org Hierarchy Data
Medicare patients and the all-payer patient panelDmand AI Patient Panel Data
Part D prescribingMedicare 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 percentilesDoctors 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-authorsPubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage
Training, board certification and membershipsDmand AI Professional Profile Data
Insurance carriers and plan typesDmand AI Insurance Network Data
EHR at each practice siteDmand AI Technology Install Data
Similar physiciansDmand 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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