Jason William Jilk, MD
Internal Medicine Physician · Anaheim, CA
Jason William Jilk, MD is an internal medicine physician with a practice address in Anaheim, California, and NPI 1811213382, issued on Apr 8, 2010. Check the license (California A120460, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Jason William Jilk
- Credential
- MD
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- A120460 CA
Self-reported in NPPES; status is on the state search - Practice location
- 8078 E Santa Ana Canyon RD, Anaheim, CA 92808
- Phone
- (714) 974-2900
- Enumerated
- Apr 8, 2010
- Record last updated
- Nov 3, 2021 (not updated in 5 years: call before relying on the address or phone)
- Fax
- (714) 279-7501
- Medicare enrollment
- Enrolled (PECOS I20140718002187); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 17,696 in California → Look up another NPI →
Also registered at 8078 E Santa Ana Canyon RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Jason William Jilk in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A120460Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
98% fewer Medicare Part D claims than the average internal medicine physician in 2024
51 Medicare Part D claims for 40 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D.
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.
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).
Jason William Jilk among 17,696 internal medicine physician records in California
Jason William Jilk, MD is one of 17,696 internal medicine physician records with a practice address in California. 79% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2010, is newer than 63% of them.
- NPI issued2010 · 63% of these records are older, 34% newer
- In a Medicare fileYes · 79% of these records are
- In the CMS Doctors and Clinicians fileYes · 63% of these records are
- Graduated2010 · median 2004 among the 11,065 with a school on file
- Record last updated2021 · 61% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
189 internal medicine physician records list a practice address in Anaheim
They are 189 of the 9,018 NPPES records with a practice address in Anaheim, and 17,696 internal medicine physician records in California.
All 17,696 in California → Every provider in Anaheim → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Ali Al-Saleh, M.D.Anaheim, CA 928081194110163
- Ammar Dahodwala, MDAnaheim, CA 928081699279067
- Sharon Herdan, M.D.Anaheim, CA 928081912217720
- Hari Reddy, M.D.Anaheim, CA 928081184828527
- Sri Wijegoonaratna, M.DAnaheim, CA 928081457534984
- Stanley Ermshar, MDAnaheim, CA 928071447308499
- David Lyon, DOAnaheim, CA 928071619025434
- Michael Nguyen, MDAnaheim, CA 928071962550764
Common questions
What is Jason William Jilk, MD's NPI number?
Jason William Jilk, MD's National Provider Identifier (NPI) is 1811213382, issued on Apr 8, 2010. An NPI identifies a provider in billing; it is not a license.
Where is Jason William Jilk, MD located?
The NPPES record lists a practice address at 8078 E Santa Ana Canyon RD, Anaheim, CA, 92808. Phone: (714) 974-2900. Providers update this record themselves, so call before visiting.
How can I verify Jason William Jilk, MD's license?
NPPES lists California license number A120460, 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 Jason William Jilk, MD prescribe under Medicare Part D?
In 2024, Jason William Jilk, MD had 51 Medicare Part D claims for 40 beneficiaries; the average among internal medicine physician prescribers was 3,176. 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.