Dr. Phillip G. Zentner, MD

  • Hemet, CA
  • Radiation oncologist
NPI1063452415PAC ID9436200698
Medicare services, 2024
2,359
Medicare patients, 2024
162
Part D claims, 2021
29
Publications
1
Clinical trials
1
Practice address
151 N Lyon Ave, Hemet, CA 92543
Practice phone
Call (818) 404-5005
Professional email
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Personal email
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Mobile number
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Social profiles

Primary practice

Sunny Adult Day Health Care Center

Hemet, California

See all 5 affiliations

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Dr. Phillip G. Zentner is a radiation oncologist in Hemet, California

Dr. Zentner practices at Sunny Adult Day Health Care Center in Hemet, California.

Dr. Zentner's NPI, 1063452415, was assigned on June 7, 2006. Dr. Zentner graduated from Vanderbilt University School Of Medicine in 1990. Dr. Zentner holds California license G83516.

NPI and contact details
Medicare PAC ID
9436200698
NPI enumeration date
June 7, 2006
NPI status
Active
Accepts Medicare assignment
Yes
Practice phone
(818) 404-5005
Professional email
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Personal email
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Mobile number
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Sex
Male
Estimated age
62
Medical school graduation
1990

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)

Dr. Phillip G. Zentner practices at Sunny Adult Day Health Care Center in Hemet, California

Dr. Zentner's primary practice is Sunny Adult Day Health Care Center, at 151 N Lyon Ave, Hemet, CA 92543 in Riverside County. The practice phone is (818) 404-5005.

  • Sunny Adult Day Health Care Center
    151 N Lyon Ave, Hemet, CA 92543 · Riverside CountyPhone(818) 404-5005

Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data

Dr. Phillip G. Zentner is affiliated with 3 sites of care and 2 medical groups

Dr. Zentner's primary practice is Sunny Adult Day Health Care Center in Hemet, California. Dr. Zentner is also affiliated with UPMC Hamot. The medical group on file is UPMC Hillman Cancer Center. Dmand AI also links Dr. Zentner to 1 more group practice or clinic and 1 medical group, each named with a free account.

See all 5 affiliations for Dr. Zentner

Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; and Dmand AI Affiliation Data

Dmand AI tracks the EHR system at Dr. Phillip G. Zentner's practice

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Zentner practices, 2 sites in all. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
Sunny Adult Day Health Care CenterAvailable with a free account
+2 more sites and 1 medical groupAvailable with a free account

Source: Dmand AI Technology Install Data

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Dr. Phillip G. Zentner is one of 685 radiation oncologists in California

Radiation oncology is Dr. Zentner's primary specialty in the NPI Registry, under taxonomy code 2085R0001X. Dr. Zentner is board certified in radiation oncology by the American Board of Radiology. Dmand AI has Dr. Zentner's licenses on file in 4 states: California, Pennsylvania, Louisiana and New York.

Specialties and state licenses

  • Radiation oncology, CaliforniaPrimaryLicense G83516 · 1996 to 2026 · taxonomy 2085R0001X
  • Pennsylvania license2020 to 2026
  • Louisiana license1994 to 2000
  • New York license1992 to 1994

Clinical focus

Dmand AI lists brain cancer radiation, breast cancer radiation, cancer radiation-upper GI, lung cancer radiation, lymphoma radiation, pancreatic cancer radiation, prostate cancer radiation and uterine cancer radiation among the conditions Dr. Zentner treats.

Radiation oncologists near Dr. Zentner

Counts of radiation oncologists with a Dmand AI profile, by place and practice. Each opens the list.

685radiation oncologists in California
3radiation oncologists in Hemet

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks

Dr. Phillip G. Zentner billed Medicare for 2,359 services in 2024

CMS data shows 2,359 Medicare services from Dr. Zentner across 24 procedure codes in 2024, for 162 Medicare patients. Medicare paid $433,164 for them. Every service was in an office.

Medicare services, 20242,359
Medicare patients162
Paid by Medicare$433,164
Procedure codes24

Dr. Zentner's Medicare services by type, 2023 to 2024

  • 2023
  • 2024
Imaging
2023: 1,3582024: 1,52012%
Other services
2023: 7402024: 7213%
Office and hospital visits
2023: 1062024: 11811%

Dr. Zentner compared with the California median for radiation oncologists, 2024

  • Dr. Zentner
  • California median
Medicare services
2,359vs 1,44463% above
Medicare patients
162vs 164Close to median
Part D claims
29vs 329% below

Medians across 633 radiation oncologists in California with Dmand AI profiles that report each measure.

Dr. Zentner'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.

See all procedures by Dr. Zentner

Need commercial claims for Dr. Zentner?

Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Zentner and other radiation oncologists in California.

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Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks

Dr. Phillip G. Zentner treated 162 Medicare patients in 2024, average age 74

CMS counts 162 Medicare patients who saw Dr. Zentner in 2024. The largest group is 65 to 74, with 88 patients. 75% of them have cancer, and 72% have high blood pressure. 9% are also on Medicaid. Their average risk score is 1.85, 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. Zentner's median patient age at 68, with 59% women.

Medicare patients, 2024162
Average age74
Average risk score1.85
Also on Medicaid9%

Dr. Zentner's Medicare patients by age, 2024

CMS leaves out age groups with fewer than 11 patients.

Dr. Zentner's Medicare patients by sex, 2024

  • Women9458%
  • Men6842%

Chronic conditions among Dr. Zentner's Medicare patients, 2024

  1. Cancer75%
  2. High blood pressure72%
  3. High cholesterol72%
  4. Arthritis45%
  5. Diabetes32%
  6. Ischemic heart disease30%
  7. Anxiety28%
  8. Chronic kidney disease26%

Share of Medicare patients with each condition. A patient can have several.

Dr. Zentner's patients across all payers

Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.

Patient panel by age, all payers

Median age 68

Patient panel by sex, all payers

  • Women59%
  • Men40%

Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data

Dr. Phillip G. Zentner wrote 29 Medicare Part D claims in 2021

In 2021, Dr. Zentner wrote 29 Medicare Part D claims. Every claim was for a generic drug. They cover 1 drug, with $275 in total drug cost. In 2020, CMS named 17 claims across 1 drug.

Part D claims, 202129
Drugs named by CMS1
Total drug cost$275

Dr. Zentner's most prescribed drugs by claims, 2021

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, 2020 to 2021

  • 2020
  • 2021
Claims for drugs CMS names
2020: 172021: 2971%

Drugs named by CMS: 1 in 2021, 1 in 2020.

See all prescribing by Dr. Zentner

Source: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026

How Dr. Phillip G. Zentner takes part in Medicare

Dr. Zentner 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. Phillip G. Zentner has 1 publication on record

Dmand AI links 1 paper to Dr. Zentner. Dr. Zentner's most frequent co-author is Mitchell Clark Benson, MD.

Papers1

Dr. Zentner's most frequent co-authors

Recent publications by Dr. Zentner

See all 1 publications and co-authors

See who Dr. Zentner researches with

Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Zentner works with, so you can find a warm path to the right radiation oncologists.

How network discovery works

Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage

Dr. Phillip G. Zentner has worked on 1 clinical trial

Dmand AI links Dr. Zentner to 1 clinical trial. Conditions studied include Prostatic Neoplasms and Prostatic Diseases.

Conditions in Dr. Zentner's trials

  • Prostatic Neoplasms
  • Prostatic Diseases

Recent clinical trials with Dr. Zentner

Sources: Dmand AI Research Linkage; and ClinicalTrials.gov (National Library of Medicine)

Dr. Phillip G. Zentner received $465 in industry payments from 2016 to 2025

CMS Open Payments shows 19 general payments to Dr. Zentner from 13 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 100% of the total. Novartis Pharmaceuticals Corporation paid the most, $110.

General payments to Dr. Zentner by program year, 2016 to 2025

Companies that paid Dr. Zentner the most, 2016 to 2025

Share is of all general payments to this clinician.

See all payments to Dr. Zentner

Source: Open Payments (CMS), 2025 data, released July 7, 2026

Dr. Phillip G. Zentner has 1 award and honors on record

Dmand AI lists 1 award for Dr. Zentner.

Awards and honors for Dr. Zentner

  1. Undated
    • Checkbook Top Doc

Source: Dmand AI Professional Profile Data

Dr. Phillip G. Zentner graduated from Vanderbilt University School Of Medicine

Dr. Zentner graduated from Vanderbilt University School Of Medicine in 1990.

  1. Medical schoolVanderbilt University School Of Medicine
  2. Board certified in radiation oncologyAmerican Board of Radiology

Source: Dmand AI Professional Profile Data

Dr. Phillip G. Zentner accepts plans from 15 insurance carriers

Dr. Zentner is in network with 15 carriers, including Aetna, Highmark and HCSC. PPO plans come from the most carriers, 10. Check the plan with the practice before a visit.

Plan types Dr. Zentner accepts, by number of carriers

  1. PPO10
  2. HMO9
  3. Medicare7
  4. EPO5
  5. POS5

Source: Dmand AI Insurance Network Data

Sources for Dr. Phillip G. Zentner'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 phoneNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data
Primary practice, affiliations and health systemNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand AI Affiliation Data
Medicare services and procedure codesMedicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab)
State medians for the same specialtyDmand AI Peer Benchmarks
Medicare patients and the all-payer patient panelDmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab)
Part D prescribingMedicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab)
MIPS scores, telehealth, assignment and procedure percentilesDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab)
Publications, topics and co-authorsPubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage
Clinical trials and co-investigatorsDmand AI Research LinkageClinicalTrials.gov (National Library of Medicine) (opens in a new tab)
Industry paymentsOpen Payments (CMS) (opens in a new tab)
Awards and committee rolesDmand AI Professional Profile Data
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. Phillip G. Zentner

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. Phillip G. Zentner's NPI number?

Dr. Phillip G. Zentner's NPI number is 1063452415. It was assigned on June 7, 2006, and it is active in the NPI Registry.

What kind of doctor is Dr. Phillip G. Zentner?

Dr. Phillip G. Zentner is a radiation oncologist in Hemet, California. The primary specialty in the NPI Registry is Radiation Oncology Physician (taxonomy code 2085R0001X).

Where does Dr. Phillip G. Zentner practice?

Dr. Zentner practices at 151 N Lyon Ave, Hemet, CA 92543. Dr. Zentner's primary practice is Sunny Adult Day Health Care Center in Hemet, California. Dmand AI also links Dr. Zentner to 1 group practice or clinic and 1 medical group.

What is Dr. Phillip G. Zentner's office phone number?

The practice phone on file for Dr. Zentner is (818) 404-5005.

What is Dr. Phillip G. Zentner's medical license number?

Dr. Zentner holds California license G83516, one of the licenses on file in 4 states.

Which states has Dr. Phillip G. Zentner been licensed in?

Dmand AI has state licenses on file for Dr. Zentner in California (1996 to 2026), Pennsylvania (2020 to 2026), Louisiana (1994 to 2000) and New York (1992 to 1994).

Which hospitals is Dr. Phillip G. Zentner affiliated with?

Dr. Zentner is affiliated with UPMC Hamot.

What medical group is Dr. Phillip G. Zentner part of?

Dr. Zentner is linked to UPMC Hillman Cancer Center. Dmand AI links Dr. Zentner to 1 more medical group.

Does Dr. Phillip G. Zentner accept Medicare?

Yes. CMS data shows Dr. Zentner billed Medicare for 2,359 services in 2024, and Dr. Zentner accepts Medicare assignment.

How many Medicare patients does Dr. Phillip G. Zentner see?

CMS counts 162 Medicare patients who saw Dr. Zentner in 2024, with an average age of 74.

Show 9 more questionsShow fewer questions

Is Dr. Phillip G. Zentner board certified?

Yes. Dr. Zentner is board certified in radiation oncology by the American Board of Radiology.

What services does Dr. Phillip G. Zentner bill to Medicare?

In 2024, Dr. Zentner's most billed Medicare services were radiation oncology (77014), medicare service (G6015) and radiation oncology (77300).

Where did Dr. Phillip G. Zentner go to medical school?

Dr. Zentner graduated from Vanderbilt University School Of Medicine in 1990.

What drugs does Dr. Phillip G. Zentner prescribe most?

In 2021 Medicare Part D data, Dr. Zentner's most prescribed drugs by claims were Tamsulosin HCl.

Has Dr. Phillip G. Zentner received payments from drug or device companies?

CMS Open Payments shows $465 in general payments to Dr. Zentner from 13 companies from 2016 to 2025. The largest total came from Novartis Pharmaceuticals Corporation.

How long has Dr. Phillip G. Zentner been practicing?

Dr. Zentner graduated from medical school in 1990, 36 years ago.

Does Dr. Phillip G. Zentner do research?

Dmand AI links 1 publication to Dr. Zentner. Dr. Zentner has worked on 1 clinical trial.

Who does Dr. Phillip G. Zentner publish with?

Dr. Zentner's most frequent co-authors are Mitchell Clark Benson, MD (1 shared paper).

What insurance does Dr. Phillip G. Zentner accept?

Dr. Zentner is in network with 15 carriers, including Aetna, Highmark and HCSC. PPO plans come from the most carriers, 10. Check the plan with the practice before a visit.

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