David J. Park, M.D.
Medical Oncology Physician · Fullerton, CA
David J. Park, M.D. is a medical oncology physician with a practice address in Fullerton, California, and NPI 1275619447, issued on Oct 31, 2006. Check the license (California A75876, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- David J. Park
- Credential
- M.D.
- Primary taxonomy
- Medical Oncology Physician 207RX0202X
- License number
- A75876 CA
Self-reported in NPPES; status is on the state search - Practice location
- 2151 N Harbor Blvd, Fullerton, CA 92835
- Phone
- (714) 446-5900
- Enumerated
- Oct 31, 2006
- Record last updated
- Dec 3, 2021 (not updated in 5 years: call before relying on the address or phone)
- Fax
- (714) 446-5800
- Medicare enrollment
- Enrolled (PECOS I20070222000608); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest medical oncology physician records → All 447 in California → Look up another NPI →
Also registered at 2151 N Harbor Blvd
A shared address usually means a shared clinic or building; it does not show who employs whom.
- James Benoit, M.D.Family Medicine Physician1407843949
- Alan Borsari, M.D.Cardiovascular Disease Physician1063501997
- Bing-Lo Chang, M.D.Family Medicine Physician1295721900
- Dechen Dolkar, MDRadiation Oncology Physician1861475683
- William Lawler, MDHematology & Oncology Physician1700886702
- Patricia Martin, NP-CFamily Nurse Practitioner1124739537
Verify David J. Park in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A75876Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
83% more Medicare Part D claims than the average medical oncology physician in 2024
1,286 Medicare Part D claims for 313 beneficiaries, against an average of 703 among the 4,230 providers of this specialty who prescribed in Part D. 50 claims were for opioids.
Most prescribed
- Anastrozole212 claims
- Dexamethasone75 claims
- Prochlorperazine Maleate72 claims
- Eliquis66 claims
- Ondansetron Hcl64 claims
- Letrozole56 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Industry payments in 2024: $12,572.77
107 payments; by number, the most common kind was food and beverage; the largest payer was Novocure Inc. The 3,343 providers of this specialty with any payment received $11,773.47 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through one group practice
- Providence Medical FoundationFullerton, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
David J. Park among 447 medical oncology physician records in California
David J. Park, M.D. is one of 447 medical oncology physician records with a practice address in California. 82% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 6% of them.
- NPI issued2006 · 6% of these records are older, 55% newer
- In a Medicare fileYes · 82% of these records are
- In the CMS Doctors and Clinicians fileYes · 70% of these records are
- Graduated2006 · median 2004 among the 312 with a school on file
- Record last updated2021 · 41% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RX0202X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Medical Oncology Physician providers in California
There are 447 medical oncology physician records in California.
All 447 in California → Every provider in Fullerton → Medical Oncology Physician nationwide →
The 8 medical oncology physician records with the nearest ZIP codes
- Richard Lloyd, M.D.Fullerton, CA 928351073509030
- Giribala Patel, M.D.Fullerton, CA 928351033106562
- Sanjay Sharma, M.D.Fullerton, CA 928351174609358
- Farshid Dayyani, M.D., PH.D.Orange, CA 928681376710434
- Samuel Ejadi, MDOrange, CA 928681285605212
- Sayeh Lavasani, MDOrange, CA 928681205130572
- Susan O'Brien, M.D.Orange, CA 928681669577276
- Jennifer Valerin, M.D.Orange, CA 928681376770255
Common questions
What is David J. Park, M.D.'s NPI number?
David J. Park, M.D.'s National Provider Identifier (NPI) is 1275619447, issued on Oct 31, 2006. An NPI identifies a provider in billing; it is not a license.
Where is David J. Park, M.D. located?
The NPPES record lists a practice address at 2151 N Harbor Blvd, Fullerton, CA, 92835. Phone: (714) 446-5900. Providers update this record themselves, so call before visiting.
How can I verify David J. Park, M.D.'s license?
NPPES lists California license number A75876, as entered by the provider. Search the Medical Board of California at https://www.mbc.ca.gov/License-Verification/default.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does David J. Park, M.D. prescribe under Medicare Part D?
In 2024, David J. Park, M.D. had 1,286 Medicare Part D claims for 313 beneficiaries; the average among medical oncology physician prescribers was 703. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.