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Dr. Stephen David Landaker, MD
NPI1720057557
- Medicare services, 2021
- 118
- Part D claims, 2018
- 11
- Publications
- 1
- Industry payments
- $507
- Affiliated sites
- 1
- Practice address
- 131 Raley Blvd, Chico, CA 95928
- Practice phone
- Call (530) 897-4500
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Chico Hospitalist Group - Orthopaedics & Sports Medicine - Chico (Raley Blvd)
Surgical practice · Chico, California
Find Dr. Landaker'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. Stephen David Landaker is an orthopedic surgeon in Chico, California
Dr. Landaker practices at Chico Hospitalist Group - Orthopaedics & Sports Medicine - Chico (Raley Blvd) in Chico, California.
Dr. Landaker's NPI, 1720057557, was assigned on March 15, 2006. Dr. Landaker graduated from Tufts University School Of Medicine in 1978. Dr. Landaker's California license number on file is G41126.
NPI and contact details
- NPI
- 1720057557NPI Registry (opens in a new tab)
- NPI enumeration date
- March 15, 2006
- NPI status
- Active
- Practice phone
- (530) 897-4500
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Medical school graduation
- 1978
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Stephen David Landaker practices at Chico Hospitalist Group - Orthopaedics & Sports Medicine - Chico (Raley Blvd) in Chico, California
Dr. Landaker's primary practice is Chico Hospitalist Group - Orthopaedics & Sports Medicine - Chico (Raley Blvd), at 131 Raley Blvd, Chico, CA 95928. The practice phone is (530) 897-4500.
- Chico Hospitalist Group - Orthopaedics & Sports Medicine - Chico (Raley Blvd)131 Raley Blvd, Chico, CA 95928Phone(530) 897-4500
Sources: Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Stephen David Landaker is affiliated with 1 site of care and 1 medical group
Dr. Landaker's primary practice is Chico Hospitalist Group - Orthopaedics & Sports Medicine - Chico (Raley Blvd) in Chico, California. The medical group on file is Chico Hospitalist Group.
Chico Hospitalist Group - Orthopaedics & Sports Medicine - Chico (Raley Blvd)Primary
Sources: Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dmand AI tracks the EHR system at Dr. Stephen David Landaker's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Landaker practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Chico Hospitalist Group - Orthopaedics & Sports Medicine - Chico (Raley Blvd) | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Stephen David Landaker is one of 2,056 orthopedic surgeons in California
Orthopaedic surgery is Dr. Landaker's primary specialty in the NPI Registry, under taxonomy code 207X00000X. Dr. Landaker has a license on file in California.
Specialties and state licenses
- Orthopaedic surgery, CaliforniaPrimary
Orthopedic surgeons near Dr. Landaker
Counts of orthopedic 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. Stephen David Landaker billed Medicare for 118 services in 2021
CMS data shows 118 Medicare services from Dr. Landaker across 3 procedure codes in 2021, all of them office visits. Medicare paid $5,831 for them.
Medicare services, 2021118
Paid by Medicare$5,831
Procedure codes3
Dr. Landaker's Medicare services by type, 2020 to 2021
- 2020
- 2021
- Office and hospital visits
- 2020: 1812021: 11835%
Where Dr. Landaker's Medicare services took place, 2021
- In an office8975%
- In a facility2925%
Dr. Landaker compared with the California median for orthopedic surgeons, 2021
- Dr. Landaker
- California median
- Medicare services
- 118vs 68383% below
- Part D claims
- 11vs 7084% below
Medians across 1,844 orthopedic surgeons in California with Dmand AI profiles that report each measure.
Dr. Landaker's most billed Medicare procedure codes, 2021
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. Landaker and other orthopedic surgeons in California.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Stephen David Landaker's patients have a median age of 61
Across all payers, Dmand AI patient panel data puts Dr. Landaker's median patient age at 61, with 38% women.
Dr. Landaker's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 61
Patient panel by sex, all payers
- Women38%
- Men63%
Source: Dmand AI Patient Panel Data
Dr. Stephen David Landaker wrote 11 Medicare Part D claims in 2018
In 2018, Dr. Landaker wrote 11 Medicare Part D claims. Every claim was for a generic drug. They cover 1 drug, with $3,902 in total drug cost. In 2017, CMS named 11 claims across 1 drug.
Part D claims, 201811
Drugs named by CMS1
Total drug cost$3,902
Dr. Landaker'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.
Part D claims for drugs CMS names, 2017 to 2018
- 2017
- 2018
- Claims for drugs CMS names
- 2017: 112018: 11No change
Drugs named by CMS: 1 in 2018, 1 in 2017.
Source: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026
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Dr. Stephen David Landaker has 1 publication on record
Dmand AI links 1 paper to Dr. Landaker. Dr. Landaker's most frequent co-authors are William Hugo Dillin, MD and Robert Green Watkins, MD.
Papers1
Dr. Landaker's most frequent co-authors
Recent publications by Dr. Landaker
See who Dr. Landaker researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Landaker works with, so you can find a warm path to the right orthopedic surgeons.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. Stephen David Landaker received $507 in industry payments from 2019 to 2020
CMS Open Payments shows 2 general payments to Dr. Landaker from 1 drug or device company from 2019 to 2020. Travel and lodging make up the largest share, 89% of the total. Wright Medical Technology, Inc. paid the most, $507.
General payments to Dr. Landaker by program year, 2019 to 2020
General payments to Dr. Landaker by kind, 2019 to 2020
$507in total
- Travel and lodging$45189%
- Food and beverage$5711%
Companies that paid Dr. Landaker the most, 2019 to 2020
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Stephen David Landaker graduated from Tufts University School Of Medicine
Dr. Landaker graduated from Tufts University School Of Medicine in 1978.
- Medical school
Source: Dmand AI Professional Profile Data
Dr. Stephen David Landaker accepts plans from 2 insurance carriers
Dr. Landaker is in network with 2 carriers, including Blue Cross Blue Shield of Michigan and HCSC. PPO plans come from the most carriers, 2. Check the plan with the practice before a visit.
- Blue Cross Blue Shield of Michigan
- HCSC
Plan types Dr. Landaker accepts, by number of carriers
- PPO2
- HMO1
- Medicare1
- POS1
Source: Dmand AI Insurance Network Data
Sources for Dr. Stephen David Landaker'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 DataDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab) |
| Primary practice, affiliations and health system | Dmand AI Affiliation DataDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab) |
| 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 |
| 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. Stephen David Landaker
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. Stephen David Landaker's NPI number?
Dr. Stephen David Landaker's NPI number is 1720057557. It was assigned on March 15, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Stephen David Landaker?
Dr. Stephen David Landaker is an orthopedic surgeon in Chico, California. The primary specialty in the NPI Registry is Orthopaedic Surgery Physician (taxonomy code 207X00000X).
Where does Dr. Stephen David Landaker practice?
Dr. Landaker practices at 131 Raley Blvd, Chico, CA 95928. Dr. Landaker's primary practice is Chico Hospitalist Group - Orthopaedics & Sports Medicine - Chico (Raley Blvd) in Chico, California.
What is Dr. Stephen David Landaker's office phone number?
The practice phone on file for Dr. Landaker is (530) 897-4500.
What is Dr. Stephen David Landaker's medical license number?
Dr. Landaker's California license number on file is G41126.
What medical group is Dr. Stephen David Landaker part of?
Dr. Landaker is linked to Chico Hospitalist Group.
Does Dr. Stephen David Landaker accept Medicare?
Yes. CMS data shows Dr. Landaker billed Medicare for 118 services in 2021.
What services does Dr. Stephen David Landaker bill to Medicare?
In 2021, Dr. Landaker's most billed Medicare services were office visit, established patient (99213), office visit, established patient (99214) and office visit, established patient (99212).
Where did Dr. Stephen David Landaker go to medical school?
Dr. Landaker graduated from Tufts University School Of Medicine in 1978.
What drugs does Dr. Stephen David Landaker prescribe most?
In 2018 Medicare Part D data, Dr. Landaker's most prescribed drugs by claims were Vancomycin HCl.
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Has Dr. Stephen David Landaker received payments from drug or device companies?
CMS Open Payments shows $507 in general payments to Dr. Landaker from 1 company from 2019 to 2020. The largest total came from Wright Medical Technology, Inc.
How long has Dr. Stephen David Landaker been practicing?
Dr. Landaker graduated from medical school in 1978, 48 years ago.
Does Dr. Stephen David Landaker do research?
Dmand AI links 1 publication to Dr. Landaker.
Who does Dr. Stephen David Landaker publish with?
Dr. Landaker's most frequent co-authors are William Hugo Dillin, MD (1 shared paper) and Robert Green Watkins, MD (1 shared paper).
What insurance does Dr. Stephen David Landaker accept?
Dr. Landaker is in network with 2 carriers, including Blue Cross Blue Shield of Michigan and HCSC. PPO plans come from the most carriers, 2. Check the plan with the practice before a visit.
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