RAYMOND LEW M.D.
NPI 1689933921
Anesthesiology in Tucson, AZ
About Raymond Lew M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
RAYMOND LEW M.D. (NPI 1689933921) is an individual anesthesiology provider in Tucson, Arizona, licensed in Arizona (51920) and active in the NPI registry since May 2012. He is enrolled in Medicare PECOS and is a graduate of Albany Medical College Of Union University (2012).
NPPES Registry Identity
Specialties & Licenses
Accepted Insurance
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
Raymond Lew M.d. 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
3Medicare enrollment records show Raymond Lew reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Mesa, AZ 85206
- Reassigned Medicare billing, Arizona enrollment
- 298 clinicians in this Medicare group
Phoenix, AZ 85020
- Reassigned Medicare billing, Arizona enrollment
- 174 clinicians in this Medicare group
Brighton, MI 48114
- Reassigned Medicare billing, Arizona enrollment
- 370 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 10
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.
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.
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 Raymond Lew's NPI number?
The NPI number for Raymond Lew is 1689933921. It was assigned to this individual provider in the NPPES registry on May 7, 2012.
Where is Raymond Lew located?
Raymond Lew practices at 3390 N Campbell Ave #110, Tucson, AZ 85719. The listed phone number is (520) 795-7650.
What is Raymond Lew's specialty?
The primary specialty registered for this NPI is Anesthesiology with taxonomy code 207L00000X.
Is Raymond Lew enrolled in Medicare?
Yes. Raymond Lew 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 Raymond Lew's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Raymond Lew reassigns Medicare benefits to 3 organizations: Ascend Anesthesia LLC (Mesa, AZ), Guide Anesthesia Az LLC (Phoenix, AZ) and Anesthesia Partners & Management LLC (Brighton, MI). 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 Raymond Lew's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Raymond Lew accept?
Health plans from Blue Cross Blue Shield of Arizona and Imperial Insurance Companies, Inc. list Raymond Lew as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.
When was this NPI record last updated?
The NPPES record for Raymond Lew was last updated on March 24, 2020. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 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.
# Raymond Lew, M.D. · NPI 1689933921
Anesthesiology physician in Tucson, Arizona. Individual provider, active in the CMS NPPES registry since May 7, 2012.
## Identity
- **NPI:** 1689933921 (Entity type: Individual)
- **Enumerated:** May 7, 2012
- **Primary specialty:** Anesthesiology · taxonomy 207L00000X
- **State license:** 51920 (Arizona)
- **Sole proprietor:** No
## Practice location
- **Address:** 3390 N CAMPBELL AVE, #110, Tucson, AZ 85719-7313
- **Phone:** (520) 795-7650
## 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:** 3 organizations under Medicare reassignment (form CMS-855R): Ascend Anesthesia LLC (NPI 1407642945, Mesa, AZ); Guide Anesthesia Az LLC (NPI 1649164849, Phoenix, AZ); Anesthesia Partners & Management LLC (NPI 1336530997, Brighton, MI) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Albany Medical College Of Union University, class of 2012
## Record status
- **NPPES last updated:** March 24, 2020
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Source: [NPI Profile](https://npiprofile.com/npi/1689933921) · Data from the CMS NPPES public registry.