SANDY LEE DO
NPI 1013404912
Internal Medicine - Rheumatology in La Palma, CA
About Sandy Lee Do NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
SANDY LEE DO (NPI 1013404912) is an individual rheumatology provider in La Palma, California, licensed in California (20A17623) and active in the NPI registry since April 2018. She is enrolled in Medicare PECOS, maintains 2 additional practice locations, and is a graduate of Other (2018).
NPPES Registry Identity
Specialties & Licenses 2
Secondary Practice Locations 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
Sandy Lee Do 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 Sandy Lee reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Monterey Park, CA 91754
- Reassigned Medicare billing, California enrollment
- 7 clinicians in this Medicare group
Martell, CA 95645
- Reassigned Medicare billing, California enrollment
- 101 clinicians in this Medicare group
Roseville, CA 95661
- Reassigned Medicare billing, California enrollment
- Medicare enrollment name: Telemedicine Group PC
- 205 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 90623 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
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.
LA PALMA, CA 90623
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 Sandy Lee's NPI number?
The NPI number for Sandy Lee is 1013404912. It was assigned to this individual provider in the NPPES registry on April 16, 2018.
Where is Sandy Lee located?
Sandy Lee practices at 5451 La Palma Ave, La Palma, CA 90623. The listed phone number is (714) 670-1340.
What is Sandy Lee's specialty?
The primary specialty registered for this NPI is Internal Medicine, specializing in Rheumatology, with taxonomy code 207RR0500X.
Is Sandy Lee enrolled in Medicare?
Yes. Sandy Lee 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 Sandy Lee's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Sandy Lee reassigns Medicare benefits to 3 organizations: Arthritis And Osteoporosis Medical Center, Inc (Monterey Park, CA), Wellspace Health (Martell, CA) and Telehealth Specialty Medical Group (Roseville, 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 Sandy Lee'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 Sandy Lee was last updated on May 16, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 17 months 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.
# Sandy Lee, DO · NPI 1013404912
Rheumatology physician in La Palma, California. Individual provider, active in the CMS NPPES registry since April 16, 2018.
## Identity
- **NPI:** 1013404912 (Entity type: Individual)
- **Enumerated:** April 16, 2018
- **Primary specialty:** Internal Medicine - Rheumatology · taxonomy 207RR0500X
- **State license:** 20A17623 (California)
- **Sole proprietor:** No
## Practice location
- **Address:** 5451 LA PALMA AVE, La Palma, CA 90623-1728
- **Phone:** (714) 670-1340
## 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): Arthritis And Osteoporosis Medical Center, Inc (NPI 1245340231, Monterey Park, CA); Wellspace Health (NPI 1225550874, Martell, CA); Telehealth Specialty Medical Group (NPI 1326338237, Roseville, CA) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2018
## Record status
- **NPPES last updated:** May 16, 2025
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Source: [NPI Profile](https://npiprofile.com/npi/1013404912) · Data from the CMS NPPES public registry.