David William Lassen, CRNA
- Medicare patients, 2024
- 357
- MIPS score, 2024
- 86
- Hospital affiliations
- 2
- Industry payments
- $51
- Medical groups
- 9
- Practice address
- 2306 Santa Monica Blvd, Santa Monica, CA 90404
- Practice phone
- Call (310) 453-4477
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Endoscopy Center of Southern California LLC
Santa Monica, California
Find David Lassen'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.
David William Lassen is a nurse anesthetist in Santa Monica, California
David Lassen practices at Endoscopy Center of Southern California LLC in Santa Monica, California.
David Lassen's NPI, 1841542313, was assigned on October 9, 2012. David Lassen holds California license 4304.
- NPI
- 1841542313NPI Registry (opens in a new tab)
- Medicare PAC ID
- 3173776028
- NPI enumeration date
- October 9, 2012
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (310) 453-4477
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 40
- Medical school graduation
- 2012
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
David William Lassen practices at Endoscopy Center of Southern California LLC in Santa Monica, California
David Lassen's primary practice is Endoscopy Center of Southern California LLC, at 2306 Santa Monica Blvd, Santa Monica, CA 90404 in Los Angeles County. The practice phone is (310) 453-4477.
- Endoscopy Center of Southern California LLC2306 Santa Monica Blvd, Santa Monica, CA 90404 · Los Angeles CountyPhone(310) 453-4477
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
David William Lassen is affiliated with 7 sites of care and 9 medical groups
David Lassen's primary practice is Endoscopy Center of Southern California LLC in Santa Monica, California. David Lassen is also affiliated with Centinela Hospital Medical Center. The medical group on file is Digestive Health Associates. Dmand AI also links David Lassen to 1 more hospital, 8 medical groups and 4 group practices and clinics, each named with a free account.
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; and Dmand AI Affiliation Data
Dmand AI tracks the EHR system at David William Lassen's practice
Dmand AI tracks the electronic health record (EHR) system at each site where David Lassen practices, 6 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Endoscopy Center of Southern California LLC | Available with a free account |
| +6 more sites and 8 medical groups | Available with a free account |
Source: Dmand AI Technology Install Data
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David William Lassen is one of 2,410 nurse anesthetists in California
Nurse anesthetist, certified registered is David Lassen's primary specialty in the NPI Registry, under taxonomy code 367500000X. David Lassen is licensed in California.
Specialties and state licenses
- Certified registered nurse anesthetist, CaliforniaPrimary
Nurse anesthetists near David Lassen
Counts of nurse anesthetists 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
David William Lassen treated 357 Medicare patients in 2024, average age 72
CMS counts 357 Medicare patients who saw David Lassen in 2024. The largest group is 65 to 74, with 204 patients. 75% of them have high cholesterol, and 66% have high blood pressure. 24% are also on Medicaid. Their average risk score is 0.92, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts David Lassen's median patient age at 61, with 56% women.
David Lassen's Medicare patients by age, 2024
David Lassen's Medicare patients by sex, 2024
- Women21159%
- Men14641%
Chronic conditions among David Lassen's Medicare patients, 2024
- High cholesterol75%
- High blood pressure66%
- Arthritis55%
- Diabetes32%
- Anxiety28%
- Ischemic heart disease28%
- Osteoporosis26%
- Mood disorders22%
Share of Medicare patients with each condition. A patient can have several.
David Lassen'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
- Women56%
- Men43%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
David William Lassen scored 86 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 86 out of 100 for David Lassen for performance year 2024, reported as part of a group. David Lassen accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
David Lassen's MIPS scores, performance year 2024
- 86of 100Final score
- 64.4of 100Quality
- 100of 100Promoting Interoperability
- 40of 100Improvement Activities
- 73of 100Cost
Each score is out of 100. The final score weighs the categories CMS scored for this clinician.
Sources: Doctors and Clinicians National Downloadable File (CMS); and Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026
David William Lassen received $51 in industry payments in 2025
CMS Open Payments shows 2 general payments to David Lassen from 1 drug or device company in 2025. Food and beverage make up the largest share, 100% of the total. Takeda Pharmaceuticals U.S.A., Inc. paid the most, $51.
Companies that paid David Lassen the most, 2025 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for David William Lassen'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 DataDmand AI Affiliation Data |
| 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)Clinician Public Reporting: Overall MIPS Performance (CMS) (opens in a new tab) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| 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 David William Lassen
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is David William Lassen's NPI number?
David William Lassen's NPI number is 1841542313. It was assigned on October 9, 2012, and it is active in the NPI Registry.
What does David William Lassen specialize in?
David William Lassen is a nurse anesthetist in Santa Monica, California. The primary specialty in the NPI Registry is Certified Registered Nurse Anesthetist (taxonomy code 367500000X).
Where does David William Lassen practice?
David Lassen practices at 2306 Santa Monica Blvd, Santa Monica, CA 90404. David Lassen's primary practice is Endoscopy Center of Southern California LLC in Santa Monica, California. Dmand AI also links David Lassen to 1 hospital, 8 medical groups and 4 group practices and clinics.
What is David William Lassen's office phone number?
The practice phone on file for David Lassen is (310) 453-4477.
What is David William Lassen's medical license number?
David Lassen holds California license 4304.
Which hospitals is David William Lassen affiliated with?
David Lassen is affiliated with Centinela Hospital Medical Center. Dmand AI links David Lassen to 1 more hospital.
What medical group is David William Lassen part of?
David Lassen is linked to Digestive Health Associates. Dmand AI links David Lassen to 8 more medical groups.
Does David William Lassen accept Medicare?
Yes. CMS lists David Lassen as accepting Medicare assignment.
What is David William Lassen's MIPS score?
David Lassen's MIPS final score for performance year 2024 is 86 out of 100, reported as part of a group.
How many Medicare patients does David William Lassen see?
CMS counts 357 Medicare patients who saw David Lassen in 2024, with an average age of 72.
Has David William Lassen received payments from drug or device companies?
CMS Open Payments shows $51 in general payments to David Lassen from 1 company from 2025 to 2025. The largest total came from Takeda Pharmaceuticals U.S.A., Inc.
How long has David William Lassen been practicing?
David Lassen graduated from medical school in 2012, 14 years ago.
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