Dr. Liem Lechau, MD
- Medicare services, 2024
- 270
- Medicare patients, 2024
- 378
- Hospital affiliations
- 1
- Industry payments
- $697
- Medical groups
- 2
- Practice address
- 215 W Janss Rd, Thousand Oaks, CA 91360
- Practice phone
- Call (805) 497-2727
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Lechau'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. Liem Lechau is an anesthesiologist in Thousand Oaks, California
Dr. Lechau practices at Los Robles Regional Medical Center in Thousand Oaks, California, part of HCA Healthcare.
Dr. Lechau's NPI, 1396756052, was assigned on August 10, 2006. Dr. Lechau graduated from VCU School of Medicine in 1989. Dr. Lechau's California license number on file is G73558.
- NPI
- 1396756052NPI Registry (opens in a new tab)
- Medicare PAC ID
- 6709813843
- NPI enumeration date
- August 10, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (805) 497-2727
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 63
- Medical school graduation
- 1989
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Liem Lechau practices at Los Robles Regional Medical Center in Thousand Oaks, California
Dr. Lechau's primary practice is Los Robles Regional Medical Center, at 215 W Janss Rd, Thousand Oaks, CA 91360 in Ventura County. The practice phone is (805) 497-2727.
- Los Robles Regional Medical Center215 W Janss Rd, Thousand Oaks, CA 91360 · Ventura CountyPhone(805) 497-2727
Source: Dmand AI Affiliation Data
Dr. Liem Lechau is affiliated with 1 site of care and 2 medical groups
Dr. Lechau's primary practice is Los Robles Regional Medical Center in Thousand Oaks, California, part of HCA Healthcare. The medical group on file is Conejo Los Robles Anesthesiology Medical Group (CLRAMG). Dmand AI also links Dr. Lechau to 1 more medical group, named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Liem Lechau's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Lechau practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Los Robles Regional Medical Center | Available with a free account |
| +1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
For health IT teams
Dmand AI maps EHR vendors, IT decision makers and buying committees across HCA Healthcare and 6.2K+ hospitals, with verified contacts in the same login.
Dr. Liem Lechau is one of 6,593 anesthesiologists in California
Anesthesiology is Dr. Lechau's primary specialty in the NPI Registry, under taxonomy code 207L00000X. Dr. Lechau is board certified in anesthesiology by the American Board of Anesthesiology. Dr. Lechau has a license on file in California.
Specialties and state licenses
- Anesthesiology, CaliforniaPrimary
Anesthesiologists near Dr. Lechau
Counts of anesthesiologists 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. Liem Lechau billed Medicare for 270 services in 2024
CMS data shows 270 Medicare services from Dr. Lechau across 8 procedure codes in 2024, for 378 Medicare patients. Medicare paid $38,668 for them. Every service was in a facility, such as a hospital, rather than an office.
Dr. Lechau's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Anesthesia
- 2023: 2602024: 2704%
- Surgery
- 2023: 202024: 0100%
Dr. Lechau compared with the California median for anesthesiologists, 2024
- Dr. Lechau
- California median
- Medicare services
- 270vs 723.8 times
- Medicare patients
- 378vs 1432.6 times
Medians across 5,562 anesthesiologists in California with Dmand AI profiles that report each measure.
Dr. Lechau's most billed Medicare procedure codes, 2024
CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.
Need commercial claims for Dr. Lechau?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Lechau and other anesthesiologists in California.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Liem Lechau treated 378 Medicare patients in 2024, average age 75
CMS counts 378 Medicare patients who saw Dr. Lechau in 2024. The largest group is 65 to 74, with 189 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 8% are also on Medicaid. Their average risk score is 1.24, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Lechau's median patient age at 57, with 63% women.
Dr. Lechau's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Dr. Lechau's Medicare patients by sex, 2024
- Women19852%
- Men18048%
Chronic conditions among Dr. Lechau's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Arthritis61%
- Ischemic heart disease35%
- Diabetes27%
- Atrial fibrillation24%
- Mood disorders23%
- Anxiety22%
Share of Medicare patients with each condition. A patient can have several.
Dr. Lechau's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 57
Patient panel by sex, all payers
- Women63%
- Men37%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
How Dr. Liem Lechau takes part in Medicare
Dr. Lechau 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
Filter 7.4M+ HCPs by Medicare procedures, Part D drugs and Open Payments history, then reach them with verified contacts in one login.
Dr. Liem Lechau received $697 in industry payments from 2016 to 2024
CMS Open Payments shows 24 general payments to Dr. Lechau from 12 drug and device companies from 2016 to 2024. Food and beverage make up the largest share, 100% of the total. Edwards Lifesciences Corporation paid the most, $245.
General payments to Dr. Lechau by program year, 2016 to 2024
Companies that paid Dr. Lechau the most, 2016 to 2024
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Liem Lechau graduated from VCU School of Medicine
Dr. Lechau graduated from VCU School of Medicine in 1989.
- Medical school
- Board certified in anesthesiology
Source: Dmand AI Professional Profile Data
Dr. Liem Lechau accepts plans from 2 insurance carriers
Dr. Lechau is in network with 2 carriers, including Excellus BlueCross BlueShield and CMS Medicare. Medicare plans come from the most carriers, 2. Check the plan with the practice before a visit.
- Excellus BlueCross BlueShield
- CMS Medicare
Plan types Dr. Lechau accepts, by number of carriers
- Medicare2
- EPO1
- HMO1
- POS1
- PPO1
Source: Dmand AI Insurance Network Data
Sources for Dr. Liem Lechau'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 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 DataMedicare Physician & Other Practitioners - by Provider (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) |
| 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. Liem Lechau
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. Liem Lechau's NPI number?
Dr. Liem Lechau's NPI number is 1396756052. It was assigned on August 10, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Liem Lechau?
Dr. Liem Lechau is an anesthesiologist in Thousand Oaks, California. The primary specialty in the NPI Registry is Anesthesiology Physician (taxonomy code 207L00000X).
Where does Dr. Liem Lechau practice?
Dr. Lechau practices at 215 W Janss Rd, Thousand Oaks, CA 91360. Dr. Lechau's primary practice is Los Robles Regional Medical Center in Thousand Oaks, California, part of HCA Healthcare. Dmand AI also links Dr. Lechau to 1 medical group.
What is Dr. Liem Lechau's office phone number?
The practice phone on file for Dr. Lechau is (805) 497-2727.
What is Dr. Liem Lechau's medical license number?
Dr. Lechau's California license number on file is G73558.
Which hospitals is Dr. Liem Lechau affiliated with?
Dr. Lechau practices at Los Robles Regional Medical Center in Thousand Oaks, California.
What medical group is Dr. Liem Lechau part of?
Dr. Lechau is linked to Conejo Los Robles Anesthesiology Medical Group (CLRAMG). Dmand AI links Dr. Lechau to 1 more medical group.
Does Dr. Liem Lechau accept Medicare?
Yes. CMS data shows Dr. Lechau billed Medicare for 270 services in 2024, and Dr. Lechau accepts Medicare assignment.
How many Medicare patients does Dr. Liem Lechau see?
CMS counts 378 Medicare patients who saw Dr. Lechau in 2024, with an average age of 75.
Is Dr. Liem Lechau board certified?
Yes. Dr. Lechau is board certified in anesthesiology by the American Board of Anesthesiology.
Show 5 more questionsShow fewer questions
What services does Dr. Liem Lechau bill to Medicare?
In 2024, Dr. Lechau's most billed Medicare services were anesthesia (00731), anesthesia (00812) and anesthesia (00811).
Where did Dr. Liem Lechau go to medical school?
Dr. Lechau graduated from VCU School of Medicine in 1989.
Has Dr. Liem Lechau received payments from drug or device companies?
CMS Open Payments shows $697 in general payments to Dr. Lechau from 12 companies from 2016 to 2024. The largest total came from Edwards Lifesciences Corporation.
How long has Dr. Liem Lechau been practicing?
Dr. Lechau graduated from medical school in 1989, 37 years ago.
What insurance does Dr. Liem Lechau accept?
Dr. Lechau is in network with 2 carriers, including Excellus BlueCross BlueShield and CMS Medicare. Medicare plans come from the most carriers, 2. 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