Dr. Joseph Charles Poen, MD

  • Novato, CA
  • Radiation oncologist
NPI1972585941PAC ID6709975170
Medicare services, 2024
3,099
Medicare patients, 2024
223
Part D claims, 2024
171
Publications
7
Hospital affiliations
4
Practice address
180 Rowland Way, Novato, CA 94945
Practice phone
Call (415) 209-1300
Professional email
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Personal email
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Mobile number
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Social profiles

Primary practice

Novato Community Hospital

Hospital · Novato, California

See all 6 affiliations

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Dr. Joseph Charles Poen is a radiation oncologist in Novato, California

Dr. Poen practices at Novato Community Hospital in Novato, California, part of Sutter Health.

Dr. Poen's NPI, 1972585941, was assigned on November 16, 2005. Dr. Poen graduated from David Geffen School of Medicine at UCLA in 1988. Dr. Poen's California license number on file is G66706.

NPI and contact details
Medicare PAC ID
6709975170
NPI enumeration date
November 16, 2005
NPI status
Active
Accepts Medicare assignment
Yes
Offers telehealth
Yes
Practice phone
(415) 209-1300
Professional email
Get email
Personal email
Get email
Mobile number
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Sex
Male
Estimated age
64
Medical school graduation
1988

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

Dr. Joseph Charles Poen practices at Novato Community Hospital in Novato, California

Dr. Poen's primary practice is Novato Community Hospital, at 180 Rowland Way, Novato, CA 94945 in Marin County. The practice phone is (415) 209-1300.

Source: Dmand AI Affiliation Data

Dr. Joseph Charles Poen is affiliated with 5 sites of care and 1 medical group

Dr. Poen's primary practice is Novato Community Hospital in Novato, California, part of Sutter Health. Dr. Poen is also affiliated with UCSF Helen Diller Medical Center at Parnassus Heights. The medical group on file is Marin Cancer Care. Dmand AI also links Dr. Poen to 2 more hospitals and 1 group practice or clinic, each named with a free account.

See all 6 affiliations for Dr. Poen

Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data

Dmand AI tracks the EHR system at Dr. Joseph Charles Poen's practice

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Poen practices, 5 sites in all. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
Novato Community HospitalAvailable with a free account
+4 more affiliated sitesAvailable with a free account

Source: Dmand AI Technology Install Data

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Dr. Joseph Charles Poen is one of 685 radiation oncologists in California

Radiation oncology is Dr. Poen's primary specialty in the NPI Registry, under taxonomy code 2085R0001X. Dr. Poen is board certified in radiation oncology by the American Board of Radiology. Dr. Poen has a license on file in California.

Specialties and state licenses

  • Radiation oncology, CaliforniaPrimaryLicense G66706 · 1989 to 2025 · taxonomy 2085R0001X

Clinical focus

Dmand AI lists anal cancer radiation, bladder cancer radiation, bone cancer radiation, brain tumor radiation, cancer radiation-upper GI, colorectal cancer radiation, head & neck cancer radiation and lung cancer radiation among the conditions Dr. Poen treats.

Radiation oncologists near Dr. Poen

Counts of radiation oncologists 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. Joseph Charles Poen billed Medicare for 3,099 services in 2024

CMS data shows 3,099 Medicare services from Dr. Poen across 20 procedure codes in 2024, for 223 Medicare patients. Medicare paid $225,436 for them. Every service was in a facility, such as a hospital, rather than an office.

Medicare services, 20243,099
Medicare patients223
Paid by Medicare$225,436
Procedure codes20

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

  • 2023
  • 2024
Imaging
2023: 2,3762024: 2,68013%
Office and hospital visits
2023: 2942024: 2708%
Other services
2023: 472024: 149217%

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

  • Dr. Poen
  • California median
Medicare services
3,099vs 1,4442.1 times
Medicare patients
223vs 16436% above
Part D claims
60vs 3288% above

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

Dr. Poen'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. Poen

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

Dr. Joseph Charles Poen treated 223 Medicare patients in 2024, average age 79

CMS counts 223 Medicare patients who saw Dr. Poen in 2024. The largest group is 75 to 84, with 108 patients. 75% of them have high cholesterol, and 70% have high blood pressure. 9% are also on Medicaid. Their average risk score is 1.73, 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. Poen's median patient age at 77, with 41% women.

Medicare patients, 2024223
Average age79
Average risk score1.73
Also on Medicaid9%

Dr. Poen's Medicare patients by age, 2024

CMS leaves out age groups with fewer than 11 patients.

Dr. Poen's Medicare patients by sex, 2024

  • Women8438%
  • Men13962%

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

  1. High cholesterol75%
  2. High blood pressure70%
  3. Cancer59%
  4. Arthritis41%
  5. Ischemic heart disease29%
  6. Atrial fibrillation23%
  7. Chronic kidney disease20%
  8. Mood disorders20%

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

Dr. Poen's patients across all payers

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

Patient panel by age, all payers

Median age 77

Patient panel by sex, all payers

  • Women41%
  • Men55%

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

Dr. Joseph Charles Poen wrote 171 Medicare Part D claims in 2024

In 2024, Dr. Poen wrote 171 Medicare Part D claims for 55 patients. 95% of them were for generic drugs. CMS names the drug for 60 of them, across 2 drugs with 11 or more claims each, at $807 in total drug cost. In 2023, CMS named 64 claims across 4 drugs.

Part D claims, 2024171
Drugs named by CMS2
Total drug cost$807
Part D patients55

Dr. Poen's Part D claims by kind of drug, 2024

  • Generic163 claims95%
  • Brand-name and other8 claims5%

Dr. Poen'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. Poen's Part D claims, 2024

  • Opioids13%23 of 171 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: 642024: 606%

Drugs named by CMS: 2 in 2024, 4 in 2023.

See all prescribing by Dr. Poen

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

Dr. Joseph Charles Poen offers telehealth to Medicare patients

Dr. Poen accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Poen as offering telehealth.

Accepts Medicare assignment
Yes
Offers telehealth
Yes

Source: Doctors and Clinicians National Downloadable File (CMS)

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Dr. Joseph Charles Poen has 7 publications on record

Dmand AI links 7 papers to Dr. Poen. The most frequent topics are Pancreatic Neoplasms, Radiotherapy Dosage and Feasibility Studies. Dr. Poen has published most often in Int J Radiat Oncol Biol Phys. Dr. Poen's most frequent co-authors are James Matthew Ford, MD, John R. Adler, MD and Jefferson Augusto Bastidas, MD.

Papers7

Topics Dr. Poen writes about most

  • Pancreatic Neoplasms
  • Radiotherapy Dosage
  • Feasibility Studies
  • Radiosurgery

Dr. Poen's most frequent co-authors

Recent publications by Dr. Poen

See all 7 publications and co-authors

See who Dr. Poen researches with

Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Poen 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. Joseph Charles Poen received $498 in industry payments from 2016 to 2023

CMS Open Payments shows 20 general payments to Dr. Poen from 10 drug and device companies from 2016 to 2023. Food and beverage make up the largest share, 100% of the total. Progenics Pharmaceuticals, Inc. paid the most, $125.

General payments to Dr. Poen by program year, 2016 to 2023

Companies that paid Dr. Poen the most, 2016 to 2023

Share is of all general payments to this clinician.

See all payments to Dr. Poen

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

Dr. Joseph Charles Poen graduated from David Geffen School of Medicine at UCLA

Dr. Poen graduated from David Geffen School of Medicine at UCLA in 1988.

  1. Medical schoolDavid Geffen School of Medicine at UCLA
  2. Board certified in radiation oncologyAmerican Board of Radiology

Source: Dmand AI Professional Profile Data

Dr. Joseph Charles Poen accepts plans from 8 insurance carriers

Dr. Poen is in network with 8 carriers, including Aetna, United Healthcare and Blue Cross Blue Shield of Massachusetts. Medicare plans come from the most carriers, 7. Check the plan with the practice before a visit.

  • Aetna
  • United Healthcare
  • Blue Cross Blue Shield of Massachusetts
  • Blue Cross Blue Shield of Michigan
  • HCSC
  • Regence Health Plans
  • Blue Cross and Blue Shield of Kansas City
  • CMS Medicare

Plan types Dr. Poen accepts, by number of carriers

  1. Medicare7
  2. PPO6
  3. EPO2
  4. HMO2
  5. POS2

Source: Dmand AI Insurance Network Data

Sources for Dr. Joseph Charles Poen'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 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)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)
Publications, topics and co-authorsPubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage
Industry paymentsOpen Payments (CMS) (opens in a new tab)
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. Joseph Charles Poen

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. Joseph Charles Poen's NPI number?

Dr. Joseph Charles Poen's NPI number is 1972585941. It was assigned on November 16, 2005, and it is active in the NPI Registry.

What kind of doctor is Dr. Joseph Charles Poen?

Dr. Joseph Charles Poen is a radiation oncologist in Novato, California. The primary specialty in the NPI Registry is Radiation Oncology Physician (taxonomy code 2085R0001X).

Where does Dr. Joseph Charles Poen practice?

Dr. Poen practices at 180 Rowland Way, Novato, CA 94945. Dr. Poen's primary practice is Novato Community Hospital in Novato, California, part of Sutter Health. Dmand AI also links Dr. Poen to 2 hospitals and 1 group practice or clinic.

What is Dr. Joseph Charles Poen's office phone number?

The practice phone on file for Dr. Poen is (415) 209-1300.

What is Dr. Joseph Charles Poen's medical license number?

Dr. Poen's California license number on file is G66706.

Which hospitals is Dr. Joseph Charles Poen affiliated with?

Dr. Poen practices at Novato Community Hospital in Novato, California. Dr. Poen is also affiliated with UCSF Helen Diller Medical Center at Parnassus Heights. Dmand AI links Dr. Poen to 2 more hospitals.

What medical group is Dr. Joseph Charles Poen part of?

Dr. Poen is linked to Marin Cancer Care.

Does Dr. Joseph Charles Poen accept Medicare?

Yes. CMS data shows Dr. Poen billed Medicare for 3,099 services in 2024, and Dr. Poen accepts Medicare assignment.

Does Dr. Joseph Charles Poen offer telehealth?

Yes. The CMS Doctors and Clinicians file lists Dr. Poen as offering telehealth services.

How many Medicare patients does Dr. Joseph Charles Poen see?

CMS counts 223 Medicare patients who saw Dr. Poen in 2024, with an average age of 79.

Show 9 more questionsShow fewer questions

Is Dr. Joseph Charles Poen board certified?

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

What services does Dr. Joseph Charles Poen bill to Medicare?

In 2024, Dr. Poen's most billed Medicare services were radiation oncology (77014), radiation oncology (77300) and radiation oncology (77334).

Where did Dr. Joseph Charles Poen go to medical school?

Dr. Poen graduated from David Geffen School of Medicine at UCLA in 1988.

What drugs does Dr. Joseph Charles Poen prescribe most?

In 2024 Medicare Part D data, Dr. Poen's most prescribed drugs by claims were Tamsulosin HCl and Methylprednisolone.

Has Dr. Joseph Charles Poen received payments from drug or device companies?

CMS Open Payments shows $498 in general payments to Dr. Poen from 10 companies from 2016 to 2023. The largest total came from Progenics Pharmaceuticals, Inc.

How long has Dr. Joseph Charles Poen been practicing?

Dr. Poen graduated from medical school in 1988, 38 years ago.

Does Dr. Joseph Charles Poen do research?

Dmand AI links 7 publications to Dr. Poen.

Who does Dr. Joseph Charles Poen publish with?

Dr. Poen's most frequent co-authors are James Matthew Ford, MD (2 shared papers), John R. Adler, MD (1 shared paper) and Jefferson Augusto Bastidas, MD (1 shared paper).

What insurance does Dr. Joseph Charles Poen accept?

Dr. Poen is in network with 8 carriers, including Aetna, United Healthcare and Blue Cross Blue Shield of Massachusetts. Medicare plans come from the most carriers, 7. Check the plan with the practice before a visit.

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