Dr. David J. Park, MD

  • Fullerton, CA
  • Medical oncologist
NPI1275619447PAC ID4981706835
Medicare services, 2024
1,576
Medicare patients, 2024
409
Part D claims, 2024
1,286
Publications
76
Clinical trials
1
Practice address
101 E. Valencia Mesa Drive, Fullerton, CA 92835
Practice phone
Call (714) 578-8706
Professional email
Get professional email
Personal email
Get personal email
Mobile number
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Social profiles

Primary practice

St. Jude Medical Center - Unit

Acute Care Hospital-Unit · Fullerton, California

See all 4 affiliations

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Dr. David J. Park is a medical oncologist in Fullerton, California

Dr. Park practices at St. Jude Medical Center - Unit in Fullerton, California.

Dr. Park's NPI, 1275619447, was assigned on October 31, 2006. Dr. Park graduated from Icahn School Of Medicine At Mount Sinai in 1999. Dr. Park's California license number on file is A75876.

NPI and contact details
Medicare PAC ID
4981706835
NPI enumeration date
October 31, 2006
NPI status
Active
Accepts Medicare assignment
Yes
Offers telehealth
Yes
Practice phone
(714) 578-8706
Professional email
Get email
Personal email
Get email
Mobile number
Get number
Sex
Male
Estimated age
46
Medical school graduation
1999

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

Dr. David J. Park practices at St. Jude Medical Center - Unit in Fullerton, California

Dr. Park's primary practice is St. Jude Medical Center - Unit, at 101 E. Valencia Mesa Drive, Fullerton, CA 92835 in Orange County. The practice phone is (714) 578-8706.

  • St. Jude Medical Center - Unit
    101 E. Valencia Mesa Drive, Fullerton, CA 92835 · Orange CountyPhone(714) 578-8706

Source: Dmand AI Affiliation Data

Dr. David J. Park is affiliated with 3 sites of care and 1 medical group

Dr. Park's primary practice is St. Jude Medical Center - Unit in Fullerton, California. Dr. Park is also affiliated with Providence St. Jude Medical Center. The medical group on file is St. Jude Heritage Medical Group. Dmand AI also links Dr. Park to 1 more group practice or clinic, named with a free account.

See all 4 affiliations for Dr. Park

Source: Dmand AI Affiliation Data

Dmand AI tracks the EHR system at Dr. David J. Park's practice

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Park practices, 3 sites in all. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
St. Jude Medical Center - UnitAvailable with a free account
+2 more affiliated sitesAvailable with a free account

Source: Dmand AI Technology Install Data

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Dr. David J. Park is one of 415 medical oncologists in California

Medical oncology is Dr. Park's primary specialty in the NPI Registry, under taxonomy code 207RX0202X. Dr. Park is board certified in hematology by the American Board of Internal Medicine. Dr. Park has a license on file in California.

Specialties and state licenses

  • Medical oncology, CaliforniaPrimaryLicense A75876 · 2001 to 2025 · taxonomy 207RX0202X

Clinical focus

Dmand AI lists breast cancer, chronic anemia, chronic embolism thrombosis, chronic leukemia, colorectal cancer, deep vein thrombosis (DVT), lung cancer and lymphoma among the conditions Dr. Park treats.

Medical oncologists near Dr. Park

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

415medical oncologists in California
3medical oncologists in Fullerton

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

Dr. David J. Park billed Medicare for 1,576 services in 2024

CMS data shows 1,576 Medicare services from Dr. Park across 11 procedure codes in 2024, for 409 Medicare patients. Medicare paid $141,406 for them.

Medicare services, 20241,576
Medicare patients409
Paid by Medicare$141,406
Procedure codes11

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

  • 2023
  • 2024
Office and hospital visits
2023: 1,2702024: 1,2541%
Other services
2023: 02024: 278
Surgery
2023: 1542024: 4471%

Where Dr. Park's Medicare services took place, 2024

  • In an office1,45792%
  • In a facility1198%

Dr. Park compared with the California median for medical oncologists, 2024

  • Dr. Park
  • California median
Medicare services
1,576vs 4963.2 times
Medicare patients
409vs 1542.7 times
Part D claims
936vs 1446.5 times

Medians across 358 medical oncologists in California with Dmand AI profiles that report each measure.

Dr. Park'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. Park

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Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Park and other medical 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. David J. Park treated 409 Medicare patients in 2024, average age 76

CMS counts 409 Medicare patients who saw Dr. Park in 2024. The largest group is 65 to 74, with 169 patients. 75% of them have high cholesterol, and 74% have high blood pressure. 15% are also on Medicaid. Their average risk score is 2.19, 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. Park's median patient age at 67, with 70% women.

Medicare patients, 2024409
Average age76
Average risk score2.19
Also on Medicaid15%

Dr. Park's Medicare patients by age, 2024

Dr. Park's Medicare patients by sex, 2024

  • Women25362%
  • Men15638%

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

  1. High cholesterol75%
  2. High blood pressure74%
  3. Cancer55%
  4. Arthritis48%
  5. Diabetes37%
  6. Chronic kidney disease34%
  7. Osteoporosis32%
  8. Ischemic heart disease24%

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

Dr. Park's patients across all payers

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

Patient panel by age, all payers

Median age 67

Patient panel by sex, all payers

  • Women70%
  • Men29%

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

Dr. David J. Park wrote 1,286 Medicare Part D claims in 2024

In 2024, Dr. Park wrote 1,286 Medicare Part D claims for 313 patients. 79% of them were for generic drugs. CMS names the drug for 936 of them, across 22 drugs with 11 or more claims each, at $836,341 in total drug cost. In 2023, CMS named 1,129 claims across 32 drugs.

Part D claims, 20241,286
Drugs named by CMS22
Total drug cost$836,341
Part D patients313

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

  • Generic1,021 claims79%
  • Brand-name and other265 claims21%

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

  • Opioids4%50 of 1,286 claims
  • Antibiotics2%25 of 1,286 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: 1,1292024: 93617%

Drugs named by CMS: 22 in 2024, 32 in 2023.

See all prescribing by Dr. Park

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. David J. Park offers telehealth to Medicare patients

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

Accepts Medicare assignment
Yes
Offers telehealth
Yes

Source: Doctors and Clinicians National Downloadable File (CMS)

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Dr. David J. Park has 76 publications on record

Dmand AI links 76 papers to Dr. Park, published from 2006 to 2025. 2024 was the busiest year, with 22. The most frequent topics are Radiosurgery, Brain Neoplasms and Spinal Neoplasms. Dr. Park has published most often in J Neurosurg Case Lessons. Dr. Park's most frequent co-authors are David Jaehyun Park, MD, PhD, Steven Daniel Chang, MD and Yusuke Hori, MD.

Papers76
Years published2006 to 2025

Dr. Park's papers by year, 2015 to 2025

Topics Dr. Park writes about most

  • Radiosurgery
  • Brain Neoplasms
  • Spinal Neoplasms
  • COVID-19
  • COVID-19 Drug Treatment
  • SARS-CoV-2
  • Antineoplastic Combined Chemotherapy Protocols
  • Colorectal Neoplasms

Dr. Park's most frequent co-authors

Recent publications by Dr. Park

See all 76 publications and co-authors

See who Dr. Park researches with

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

How network discovery works

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

Dr. David J. Park has worked on 1 clinical trial

Dmand AI links Dr. Park to 1 clinical trial. Conditions studied include Pancreatic Neoplasms and Pancreatic Diseases. Open Payments lists research payments to Dr. Park that name 1 trial.

Conditions in Dr. Park's trials

  • Pancreatic Neoplasms
  • Pancreatic Diseases

Investigators on the most trials with Dr. Park

Recent clinical trials with Dr. Park

Sources: Open Payments (CMS), 2025 data, released July 7, 2026; Dmand AI Research Linkage; and ClinicalTrials.gov (National Library of Medicine)

Dr. David J. Park received $110,168 in industry payments from 2016 to 2025

CMS Open Payments shows 818 general payments to Dr. Park from 68 drug and device companies from 2016 to 2025. Consulting fees make up the largest share, 61% of the total. AstraZeneca Pharmaceuticals LP paid the most, $42,478. It also lists 1 research payment totaling $132 in 2019, naming 1 clinical trial.

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

General payments to Dr. Park by kind, 2016 to 2025

$110.2Kin total
  • Consulting fees$67,59761%
  • Food and beverage$17,04215%
  • Speaker and faculty fees$16,27015%
  • Travel and lodging$4,8024%
  • Other$4,4574%

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

Share is of all general payments to this clinician.

See all payments to Dr. Park

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

Dr. David J. Park has 1 award and honors on record

Dmand AI lists 1 award for Dr. Park, most recently CMS Stage 1 EHR in 2012.

Awards and honors for Dr. Park

  1. 2012
    • CMS Stage 1 EHR

Source: Dmand AI Professional Profile Data

Dr. David J. Park graduated from Icahn School Of Medicine At Mount Sinai

Dr. Park graduated from Icahn School Of Medicine At Mount Sinai in 1999. Dr. Park is a member of ASCO.

  1. Medical schoolIcahn School Of Medicine At Mount Sinai
  2. Board certified in hematologyAmerican Board of Internal Medicine
  3. Board certified in hospice and palliative medicineAmerican Board of Internal Medicine
  4. Board certified in internal medicineAmerican Board of Internal Medicine
  5. Board certified in medical oncologyAmerican Board of Internal Medicine
  6. Board certified in hematologyNational Board of Physicians and Surgeons
  7. Board certified in hospice and palliative medicineNational Board of Physicians and Surgeons
  8. Board certified in internal medicineNational Board of Physicians and Surgeons
  9. Board certified in medical oncologyNational Board of Physicians and Surgeons

Source: Dmand AI Professional Profile Data

Dr. David J. Park accepts plans from 14 insurance carriers

Dr. Park is in network with 14 carriers, including Aetna, Elevance and Blue Cross Blue Shield of Michigan. Medicare plans come from the most carriers, 9. Check the plan with the practice before a visit.

  • Aetna
  • Elevance
  • Blue Cross Blue Shield of Michigan
  • United Healthcare
  • HCSC
  • Blue Cross Blue Shield of Massachusetts
  • Regence Health Plans
  • Alliant Health Plans
  • +6 more carriersWith a free account

Plan types Dr. Park accepts, by number of carriers

  1. Medicare9
  2. PPO9
  3. HMO6
  4. EPO4
  5. POS4

Source: Dmand AI Insurance Network Data

Sources for Dr. David J. Park'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 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
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. David J. Park

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. David J. Park's NPI number?

Dr. David J. Park's NPI number is 1275619447. It was assigned on October 31, 2006, and it is active in the NPI Registry.

What kind of doctor is Dr. David J. Park?

Dr. David J. Park is a medical oncologist in Fullerton, California. The primary specialty in the NPI Registry is Medical Oncology Physician (taxonomy code 207RX0202X).

Where does Dr. David J. Park practice?

Dr. Park practices at 101 E. Valencia Mesa Drive, Fullerton, CA 92835. Dr. Park's primary practice is St. Jude Medical Center - Unit in Fullerton, California. Dmand AI also links Dr. Park to 1 group practice or clinic.

What is Dr. David J. Park's office phone number?

The practice phone on file for Dr. Park is (714) 578-8706.

What is Dr. David J. Park's medical license number?

Dr. Park's California license number on file is A75876.

Which hospitals is Dr. David J. Park affiliated with?

Dr. Park is affiliated with Providence St. Jude Medical Center. Dmand AI links Dr. Park to 1 more hospital.

What medical group is Dr. David J. Park part of?

Dr. Park is linked to St. Jude Heritage Medical Group.

Does Dr. David J. Park accept Medicare?

Yes. CMS data shows Dr. Park billed Medicare for 1,576 services in 2024, and Dr. Park accepts Medicare assignment.

Does Dr. David J. Park offer telehealth?

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

How many Medicare patients does Dr. David J. Park see?

CMS counts 409 Medicare patients who saw Dr. Park in 2024, with an average age of 76.

Show 9 more questionsShow fewer questions

Is Dr. David J. Park board certified?

Yes. Dr. Park is board certified in hematology by the American Board of Internal Medicine.

What services does Dr. David J. Park bill to Medicare?

In 2024, Dr. Park's most billed Medicare services were office visit, established patient (99214), medicare service (G2211) and office visit, established patient (99215).

Where did Dr. David J. Park go to medical school?

Dr. Park graduated from Icahn School Of Medicine At Mount Sinai in 1999.

What drugs does Dr. David J. Park prescribe most?

In 2024 Medicare Part D data, Dr. Park's most prescribed drugs by claims were Anastrozole, Dexamethasone and Prochlorperazine Maleate.

Has Dr. David J. Park received payments from drug or device companies?

CMS Open Payments shows $110,168 in general payments to Dr. Park from 68 companies from 2016 to 2025. The largest total came from AstraZeneca Pharmaceuticals LP.

How long has Dr. David J. Park been practicing?

Dr. Park graduated from medical school in 1999, 27 years ago.

Does Dr. David J. Park do research?

Dmand AI links 76 publications to Dr. Park, published from 2006 to 2025. Dr. Park has worked on 1 clinical trial.

Who does Dr. David J. Park publish with?

Dr. Park's most frequent co-authors are David Jaehyun Park, MD, PhD (50 shared papers), Steven Daniel Chang, MD (48 shared papers) and Yusuke Hori, MD (22 shared papers).

What insurance does Dr. David J. Park accept?

Dr. Park is in network with 14 carriers, including Aetna, Elevance and Blue Cross Blue Shield of Michigan. Medicare plans come from the most carriers, 9. Check the plan with the practice before a visit.

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