DR. LUCAS WILLIAM THORNBLADE MD MPH
NPI 1285990283
Surgery - Surgical Oncology in Duarte, CA
About Dr. Lucas William Thornblade Md Mph NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. LUCAS WILLIAM THORNBLADE MD MPH (NPI 1285990283) is an individual surgical oncology provider in Duarte, California, licensed in California (A161336) and active in the NPI registry since April 2012. He is enrolled in Medicare PECOS and is a graduate of Boston University School Of Medicine (2012).
NPPES Registry Identity
Specialties & Licenses 2
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
Dr. Lucas William Thornblade Md Mph is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.
Medicare Billing Reassignments
4Medicare enrollment records show Lucas Thornblade reassigns Medicare billing to 4 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Newark, CA 94560
- Reassigned Medicare billing, California enrollment
- 900 clinicians in this Medicare group
San Francisco, CA 94143
- Reassigned Medicare billing, California enrollment
- 761 clinicians in this Medicare group
San Francisco, CA 94143
- Reassigned Medicare billing, California enrollment
- 5,645 clinicians in this Medicare group
San Francisco, CA 94122
- Reassigned Medicare billing, California enrollment
- 5,544 clinicians in this Medicare group
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Areas of Expertise CMS Part B claims 2
Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 91010 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Medicare Quality Performance CMS QPP · MIPS
Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.
Other Providers at the Same Location NPPES 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
DUARTE, CA 91010
Frequently Asked Questions NPPES & CMS
Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.
What is Lucas Thornblade's NPI number?
The NPI number for Lucas Thornblade is 1285990283. It was assigned to this individual provider in the NPPES registry on April 4, 2012.
Where is Lucas Thornblade located?
Lucas Thornblade practices at 1500 Duarte Rd, Duarte, CA 91010. The listed phone number is (206) 543-3687.
What is Lucas Thornblade's specialty?
The primary specialty registered for this NPI is Surgery, specializing in Surgical Oncology, with taxonomy code 2086X0206X.
Is Lucas Thornblade enrolled in Medicare?
Yes. Lucas Thornblade is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.
Which organizations bill Medicare for Lucas Thornblade's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Lucas Thornblade reassigns Medicare benefits to 4 organizations: Alameda Health System (Newark, CA), Ucsf Dept Of Surgery (San Francisco, CA), University Of California San Francisco (San Francisco, CA) and Ucsf Medical Group Business Services (San Francisco, CA). Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Lucas Thornblade's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
When was this NPI record last updated?
The NPPES record for Lucas Thornblade was last updated on August 9, 2019. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 7 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.
# Dr. Lucas William Thornblade, MD MPH · NPI 1285990283
Surgical Oncology physician in Duarte, California. Individual provider, active in the CMS NPPES registry since April 4, 2012.
## Identity
- **NPI:** 1285990283 (Entity type: Individual)
- **Enumerated:** April 4, 2012
- **Primary specialty:** Surgery - Surgical Oncology · taxonomy 2086X0206X
- **State license:** A161336 (California)
- **Sole proprietor:** No
## Practice location
- **Address:** 1500 DUARTE RD, Duarte, CA 91010-3012
- **Phone:** (206) 543-3687
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** 4 organizations under Medicare reassignment (form CMS-855R): Alameda Health System (NPI 1497956288, Newark, CA); Ucsf Dept Of Surgery (NPI 1477627537, San Francisco, CA); University Of California San Francisco (NPI 1346329380, San Francisco, CA); Ucsf Medical Group Business Services (NPI 1477624104, San Francisco, CA) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Boston University School Of Medicine, class of 2012
## Record status
- **NPPES last updated:** August 9, 2019
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Source: [NPI Profile](https://npiprofile.com/npi/1285990283) · Data from the CMS NPPES public registry.