Surg Obes Relat Dis
AntiemeticsDronabinolGastric Bypass
Dr. David A. Oliak, MD
NPI1144261603
- Medicare services, 2019
- 23
- Part D claims, 2017
- 13
- Publications
- 8
- Clinical trials
- 1
- Industry payments
- $15,208
- Practice address
- 3330 Lomita Blvd, Torrance, CA 90505
- Practice phone
- Call (310) 325-9110
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Torrance Memorial Medical Center
Torrance, California
Find Dr. Oliak'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. David A. Oliak is a general surgeon in Torrance, California
Dr. Oliak practices at Torrance Memorial Medical Center in Torrance, California.
Dr. Oliak's NPI, 1144261603, was assigned on June 8, 2006. Dr. Oliak graduated from WashU Medicine in 1995. Dr. Oliak holds California license A62811.
NPI and contact details
- NPI
- 1144261603NPI Registry (opens in a new tab)
- NPI enumeration date
- June 8, 2006
- NPI status
- Active
- Practice phone
- (310) 325-9110
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 57
- Medical school graduation
- 1995
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Practice Data
Dr. David A. Oliak practices at Torrance Memorial Medical Center in Torrance, California
Dr. Oliak's primary practice is Torrance Memorial Medical Center, at 3330 Lomita Blvd, Torrance, CA 90505 in Los Angeles County. The practice phone is (310) 325-9110.
- Torrance Memorial Medical Center3330 Lomita Blvd, Torrance, CA 90505 · Los Angeles CountyPhone(310) 325-9110
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. David A. Oliak is affiliated with 1 site of care
Dr. Oliak's primary practice is Torrance Memorial Medical Center in Torrance, California.
Torrance Memorial Medical CenterPrimary
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dmand AI tracks the EHR system at Dr. David A. Oliak's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Oliak practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Torrance Memorial Medical Center | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. David A. Oliak is one of 2,926 general surgeons in California
Surgery is Dr. Oliak's primary specialty in the NPI Registry, under taxonomy code 208600000X. Dr. Oliak is board certified in surgery by the American Board of Surgery. Dmand AI has Dr. Oliak's licenses on file in 2 states: California and New Jersey.
Specialties and state licenses
- Surgery, CaliforniaPrimary
- New Jersey license
General surgeons near Dr. Oliak
Counts of general surgeons 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. David A. Oliak billed Medicare for 23 services in 2019
CMS data shows 23 Medicare services from Dr. Oliak across 1 procedure code in 2019, all of them office visits. Medicare paid $2,022 for them. Every service was in an office.
Medicare services, 201923
Paid by Medicare$2,022
Procedure codes1
Dr. Oliak compared with the California median for general surgeons, 2019
- Dr. Oliak
- California median
- Medicare services
- 23vs 16686% below
- Part D claims
- 13vs 3462% below
Medians across 2,606 general surgeons in California with Dmand AI profiles that report each measure.
Dr. Oliak's most billed Medicare procedure codes, 2019
CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.
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Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Oliak and other general surgeons in California.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. David A. Oliak's patients have a median age of 67
Across all payers, Dmand AI patient panel data puts Dr. Oliak's median patient age at 67, with 0% women.
Dr. Oliak'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
- Women0%
- Men100%
Source: Dmand AI Patient Panel Data
Dr. David A. Oliak wrote 13 Medicare Part D claims in 2017
In 2017, Dr. Oliak wrote 13 Medicare Part D claims. Every claim was for a generic drug. They cover 1 drug, with $96 in total drug cost.
Part D claims, 201713
Drugs named by CMS1
Total drug cost$96
Dr. Oliak's most prescribed drugs by claims, 2017
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
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Dr. David A. Oliak has 8 publications on record
Dmand AI links 8 papers to Dr. Oliak, published from 2002 to 2008. The most frequent topics are Gastric Bypass, Laparoscopy and Anastomosis, Roux-en-Y. Dr. Oliak's most frequent co-authors are Robert M. Sinow, MD, Michael J Stamos, MD and Tracey Dianne Arnell, MD.
Papers8
Years published2002 to 2008
Topics Dr. Oliak writes about most
- Gastric Bypass
- Laparoscopy
- Anastomosis, Roux-en-Y
- Appendicitis
Dr. Oliak's most frequent co-authors
- Robert M. Sinow, MD2 shared papers
- Michael J Stamos, MD2 shared papers
- Tracey Dianne Arnell, MD1 shared paper
Recent publications by Dr. Oliak
Analysis of VarianceAnastomosis, Roux-en-YGastric Bypass
Am J Obstet Gynecol
AbscessCatheters, IndwellingComputer Systems
Anti-Bacterial AgentsAppendectomyAppendicitis
Anastomosis, Roux-en-YClinical CompetenceFellowships and Scholarships
See who Dr. Oliak researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Oliak works with, so you can find a warm path to the right general surgeons.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. David A. Oliak has worked on 1 clinical trial
Dmand AI links Dr. Oliak to 1 clinical trial. Conditions studied include Avitaminosis and Deficiency Diseases.
Conditions in Dr. Oliak's trials
- Avitaminosis
- Deficiency Diseases
Recent clinical trials with Dr. Oliak
AvitaminosisDeficiency DiseasesChewable CalciumChewable Multivitamin with IronPatchMD B12 Energy Plus Patch
Sources: Dmand AI Research Linkage; and ClinicalTrials.gov (National Library of Medicine)
Dr. David A. Oliak received $15,208 in industry payments from 2016 to 2021
CMS Open Payments shows 74 general payments to Dr. Oliak from 8 drug and device companies from 2016 to 2021. Education make up the largest share, 67% of the total. Intuitive Surgical, Inc. paid the most, $13,754.
General payments to Dr. Oliak by program year, 2016 to 2021
General payments to Dr. Oliak by kind, 2016 to 2021
$15.2Kin total
- Education$10,12967%
- Travel and lodging$2,88119%
- Food and beverage$2,19814%
Companies that paid Dr. Oliak the most, 2016 to 2021
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. David A. Oliak graduated from WashU Medicine
Dr. Oliak graduated from WashU Medicine in 1995.
- Medical school
- Board certified in surgery
Source: Dmand AI Professional Profile Data
Dr. David A. Oliak accepts plans from 12 insurance carriers
Dr. Oliak is in network with 12 carriers, including United Healthcare, Aetna and Elevance. PPO plans come from the most carriers, 8. Check the plan with the practice before a visit.
- United Healthcare
- Aetna
- Elevance
- HCSC
- Blue Cross Blue Shield of Massachusetts
- Blue Cross Blue Shield of Michigan
- Alliant Health Plans
- Aspirus Health Plan
- +4 more carriersWith a free account
Plan types Dr. Oliak accepts, by number of carriers
- PPO8
- HMO6
- Medicare4
- EPO3
- POS2
Source: Dmand AI Insurance Network Data
Sources for Dr. David A. Oliak'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 | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data |
| Primary practice, affiliations and health system | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data |
| Medicare services and procedure codes | Medicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab) |
| State medians for the same specialty | Dmand AI Peer Benchmarks |
| 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) |
| Publications, topics and co-authors | PubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage |
| Clinical trials and co-investigators | Dmand AI Research LinkageClinicalTrials.gov (National Library of Medicine) (opens in a new tab) |
| 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. David A. Oliak
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 A. Oliak's NPI number?
Dr. David A. Oliak's NPI number is 1144261603. It was assigned on June 8, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. David A. Oliak?
Dr. David A. Oliak is a general surgeon in Torrance, California. The primary specialty in the NPI Registry is Surgery Physician (taxonomy code 208600000X).
Where does Dr. David A. Oliak practice?
Dr. Oliak practices at 3330 Lomita Blvd, Torrance, CA 90505. Dr. Oliak's primary practice is Torrance Memorial Medical Center in Torrance, California.
What is Dr. David A. Oliak's office phone number?
The practice phone on file for Dr. Oliak is (310) 325-9110.
What is Dr. David A. Oliak's medical license number?
Dr. Oliak holds California license A62811, one of the licenses on file in 2 states.
Which states has Dr. David A. Oliak been licensed in?
Dmand AI has state licenses on file for Dr. Oliak in California (1997 to 2027) and New Jersey (2001 to 2003).
Does Dr. David A. Oliak accept Medicare?
Yes. CMS data shows Dr. Oliak billed Medicare for 23 services in 2019.
Is Dr. David A. Oliak board certified?
Yes. Dr. Oliak is board certified in surgery by the American Board of Surgery.
What services does Dr. David A. Oliak bill to Medicare?
In 2019, Dr. Oliak's most billed Medicare services were office visit, established patient (99214).
Where did Dr. David A. Oliak go to medical school?
Dr. Oliak graduated from WashU Medicine in 1995.
Show 6 more questionsShow fewer questions
What drugs does Dr. David A. Oliak prescribe most?
In 2017 Medicare Part D data, Dr. Oliak's most prescribed drugs by claims were Pantoprazole Sodium.
Has Dr. David A. Oliak received payments from drug or device companies?
CMS Open Payments shows $15,208 in general payments to Dr. Oliak from 8 companies from 2016 to 2021. The largest total came from Intuitive Surgical, Inc.
How long has Dr. David A. Oliak been practicing?
Dr. Oliak graduated from medical school in 1995, 31 years ago.
Does Dr. David A. Oliak do research?
Dmand AI links 8 publications to Dr. Oliak, published from 2002 to 2008. Dr. Oliak has worked on 1 clinical trial.
Who does Dr. David A. Oliak publish with?
Dr. Oliak's most frequent co-authors are Robert M. Sinow, MD (2 shared papers), Michael J Stamos, MD (2 shared papers) and Tracey Dianne Arnell, MD (1 shared paper).
What insurance does Dr. David A. Oliak accept?
Dr. Oliak is in network with 12 carriers, including United Healthcare, Aetna and Elevance. PPO plans come from the most carriers, 8. Check the plan with the practice before a visit.
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