AutopsyCeliac ArteryIncidental Findings
Dr. Stephan John Diljak, MD
NPI1770077828PAC ID2961835889
- Part D claims, 2018
- 24
- Publications
- 2
- Hospital affiliations
- 1
- Industry payments
- $271
- Medical group
- 1
- Practice address
- 700 Lawrence Expressway, Santa Clara, CA 95051
- Practice phone
- Call (408) 236-6400
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Diljak's professional email, personal email and mobile number
Dmand AI checks each channel through healthcare-specific waterfall enrichment. See what is on file with a free account, with practice phones, licenses and affiliations.
Dr. Stephan John Diljak is an anesthesiologist in Santa Clara, California
Dr. Diljak practices at Santa Clara Medical Center in Santa Clara, California, part of Kaiser Permanente.
Dr. Diljak's NPI, 1770077828, was assigned on June 21, 2018. Dr. Diljak graduated from University Of Michigan Medical School in 2018. Dr. Diljak holds California license A195625.
NPI and contact details
- NPI
- 1770077828NPI Registry (opens in a new tab)
- Medicare PAC ID
- 2961835889
- NPI enumeration date
- June 21, 2018
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (408) 236-6400
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 34
- Medical school graduation
- 2018
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Stephan John Diljak practices at Santa Clara Medical Center in Santa Clara, California
Dr. Diljak's primary practice is Santa Clara Medical Center, at 700 Lawrence Expressway, Santa Clara, CA 95051 in Santa Clara County. The practice phone is (408) 236-6400.
- Santa Clara Medical Center700 Lawrence Expressway, Santa Clara, CA 95051 · Santa Clara CountyPhone(408) 236-6400
Source: Dmand AI Affiliation Data
Dr. Stephan John Diljak is affiliated with 1 site of care and 1 medical group
Dr. Diljak's primary practice is Santa Clara Medical Center in Santa Clara, California, part of Kaiser Permanente. The medical group on file is The Permanente Medical Group, Inc.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Stephan John Diljak's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Diljak practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Santa Clara Medical Center | Available with a free account |
Source: Dmand AI Technology Install Data
For health IT teams
See the EHR and IT leaders at every hospital where Dr. Diljak practices
Dmand AI maps EHR vendors, IT decision makers and buying committees across Kaiser Permanente and 6.2K+ hospitals, with verified contacts in the same login.
Dr. Stephan John Diljak is one of 6,593 anesthesiologists in California
Anesthesiology is Dr. Diljak's primary specialty in the NPI Registry, under taxonomy code 207L00000X. Dr. Diljak is board certified in anesthesiology by the American Board of Anesthesiology. Dmand AI has Dr. Diljak's licenses on file in 2 states: California and Missouri.
Specialties and state licenses
- Anesthesiology, CaliforniaPrimary
- Missouri license
Anesthesiologists near Dr. Diljak
Counts of anesthesiologists with a Dmand AI profile, by place and practice. Each opens the list.
6,593anesthesiologists in California45anesthesiologists in Santa Clara40anesthesiologists at Santa Clara Medical Center
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Dr. Stephan John Diljak's patients have a median age of 64
Across all payers, Dmand AI patient panel data puts Dr. Diljak's median patient age at 64, with 36% women.
Dr. Diljak's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 64
Patient panel by sex, all payers
- Women36%
- Men64%
Source: Dmand AI Patient Panel Data
Dr. Stephan John Diljak wrote 24 Medicare Part D claims in 2018
In 2018, Dr. Diljak wrote 24 Medicare Part D claims. Every claim was for a generic drug. They cover 1 drug, with $192 in total drug cost.
Part D claims, 201824
Drugs named by CMS1
Total drug cost$192
Dr. Diljak's most prescribed drugs by claims, 2018
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
Source: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026
How Dr. Stephan John Diljak takes part in Medicare
Dr. Diljak 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)
For MedTech and pharma teams
Find anesthesiologists like Dr. Diljak by procedure volume and prescribing
Filter 7.4M+ HCPs by Medicare procedures, Part D drugs and Open Payments history, then reach them with verified contacts in one login.
Dr. Stephan John Diljak has 2 publications on record
Dmand AI links 2 papers to Dr. Diljak in 2017. Dr. Diljak's most frequent co-authors are Jonathan Lee Eliason, MD, Anthony Nelson Hage, MD and Arno K. Kumagai, MD.
Papers2
Dr. Diljak's most frequent co-authors
- Jonathan Lee Eliason, MD1 shared paper
- Anthony Nelson Hage, MD1 shared paper
- Arno K. Kumagai, MD1 shared paper
Recent publications by Dr. Diljak
See who Dr. Diljak researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Diljak works with, so you can find a warm path to the right anesthesiologists.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. Stephan John Diljak received $271 in industry payments from 2018 to 2025
CMS Open Payments shows 4 general payments to Dr. Diljak from 3 drug and device companies from 2018 to 2025. Food and beverage make up the largest share, 100% of the total. Abiomed paid the most, $186.
General payments to Dr. Diljak by program year, 2018 to 2025
Companies that paid Dr. Diljak the most, 2018 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Stephan John Diljak graduated from University Of Michigan Medical School
Dr. Diljak graduated from University Of Michigan Medical School in 2018.
- Medical school
- Board certified in anesthesiology
Source: Dmand AI Professional Profile Data
Dr. Stephan John Diljak accepts plans from 2 insurance carriers
Dr. Diljak is in network with 2 carriers, including Kaiser Permanente and CMS Medicare. EPO plans come from the most carriers, 1. Check the plan with the practice before a visit.
- Kaiser Permanente
- CMS Medicare
Plan types Dr. Diljak accepts, by number of carriers
- EPO1
- HMO1
- Medicare1
- POS1
Source: Dmand AI Insurance Network Data
Sources for Dr. Stephan John Diljak's profile data
| Data on this page | Source |
|---|---|
| NPI, name, sex, specialty and licenses | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data |
| Practice locations and phone | Dmand AI Affiliation Data |
| Primary practice, affiliations and health system | Dmand AI Affiliation DataDmand AI Org Hierarchy Data |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel Data |
| Part D prescribing | Medicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab) |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab) |
| Publications, topics and co-authors | PubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| Insurance carriers and plan types | Dmand AI Insurance Network Data |
| EHR at each practice site | Dmand AI Technology Install Data |
| Similar physicians | Dmand AI Affiliation Data |
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about Dr. Stephan John Diljak
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. Stephan John Diljak's NPI number?
Dr. Stephan John Diljak's NPI number is 1770077828. It was assigned on June 21, 2018, and it is active in the NPI Registry.
What kind of doctor is Dr. Stephan John Diljak?
Dr. Stephan John Diljak is an anesthesiologist in Santa Clara, California. The primary specialty in the NPI Registry is Anesthesiology Physician (taxonomy code 207L00000X).
Where does Dr. Stephan John Diljak practice?
Dr. Diljak practices at 700 Lawrence Expressway, Santa Clara, CA 95051. Dr. Diljak's primary practice is Santa Clara Medical Center in Santa Clara, California, part of Kaiser Permanente.
What is Dr. Stephan John Diljak's office phone number?
The practice phone on file for Dr. Diljak is (408) 236-6400.
What is Dr. Stephan John Diljak's medical license number?
Dr. Diljak holds California license A195625, one of the licenses on file in 2 states.
Which states has Dr. Stephan John Diljak been licensed in?
Dmand AI has state licenses on file for Dr. Diljak in California (2024 to 2026) and Missouri (2018 to 2025).
Which hospitals is Dr. Stephan John Diljak affiliated with?
Dr. Diljak practices at Santa Clara Medical Center in Santa Clara, California.
What medical group is Dr. Stephan John Diljak part of?
Dr. Diljak is linked to The Permanente Medical Group, Inc.
Does Dr. Stephan John Diljak accept Medicare?
Yes. CMS lists Dr. Diljak as accepting Medicare assignment.
Is Dr. Stephan John Diljak board certified?
Yes. Dr. Diljak is board certified in anesthesiology by the American Board of Anesthesiology.
Show 7 more questionsShow fewer questions
Where did Dr. Stephan John Diljak go to medical school?
Dr. Diljak graduated from University Of Michigan Medical School in 2018.
What drugs does Dr. Stephan John Diljak prescribe most?
In 2018 Medicare Part D data, Dr. Diljak's most prescribed drugs by claims were Oxycodone HCl.
Has Dr. Stephan John Diljak received payments from drug or device companies?
CMS Open Payments shows $271 in general payments to Dr. Diljak from 3 companies from 2018 to 2025. The largest total came from Abiomed.
How long has Dr. Stephan John Diljak been practicing?
Dr. Diljak graduated from medical school in 2018, 8 years ago.
Does Dr. Stephan John Diljak do research?
Dmand AI links 2 publications to Dr. Diljak.
Who does Dr. Stephan John Diljak publish with?
Dr. Diljak's most frequent co-authors are Jonathan Lee Eliason, MD (1 shared paper), Anthony Nelson Hage, MD (1 shared paper) and Arno K. Kumagai, MD (1 shared paper).
What insurance does Dr. Stephan John Diljak accept?
Dr. Diljak is in network with 2 carriers, including Kaiser Permanente and CMS Medicare. EPO plans come from the most carriers, 1. Check the plan with the practice before a visit.
Selling to anesthesiology practices?
See anesthesiologists in California by site of care and group
Find the practices, groups and hospitals they work with, and the right people to contact at each.
- 30 days free
- Self-serve
- No credit card