SANDRA LANCASTER SLP
NPI 1326161555
Speech-Language Pathologist in Rockville, MD
About Sandra Lancaster Slp NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
SANDRA LANCASTER SLP (NPI 1326161555) is an individual speech-language pathologist provider in Rockville, Maryland, licensed in Maryland (05188) and active in the NPI registry since April 2007. She is a graduate of Other (2000).
NPPES Registry Identity
Specialties & Licenses
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
Sandra Lancaster Slp 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
2Medicare enrollment records show Sandra Lancaster reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Gaithersburg, MD 20878
- Reassigned Medicare billing, District of Columbia enrollment
- 340 clinicians in this Medicare group
Ashton, MD 20861
- Reassigned Medicare billing, District of Columbia enrollment
- 5 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.
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.
ROCKVILLE, MD 20850
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 Sandra Lancaster's NPI number?
The NPI number for Sandra Lancaster is 1326161555. It was assigned to this individual provider in the NPPES registry on April 10, 2007.
Where is Sandra Lancaster located?
Sandra Lancaster practices at 9909 Medical Center Dr, Rockville, MD 20850. The listed phone number is (240) 864-6200.
What is Sandra Lancaster's specialty?
The primary specialty registered for this NPI is Speech-Language Pathologist with taxonomy code 235Z00000X.
Is Sandra Lancaster enrolled in Medicare?
Yes. Sandra Lancaster 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 Sandra Lancaster's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Sandra Lancaster reassigns Medicare benefits to 2 organizations: Adventist Physician Services, Inc. (Gaithersburg, MD) and Adult Speech Therapy Services LLC (Ashton, MD). 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 Sandra Lancaster'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 Sandra Lancaster was last updated on April 30, 2018. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 8 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.
# Sandra Lancaster, SLP · NPI 1326161555
Speech-Language Pathologist provider in Rockville, Maryland. Individual provider, active in the CMS NPPES registry since April 10, 2007.
## Identity
- **NPI:** 1326161555 (Entity type: Individual)
- **Enumerated:** April 10, 2007
- **Primary specialty:** Speech-Language Pathologist · taxonomy 235Z00000X
- **State license:** 05188 (Maryland)
- **Sole proprietor:** No
## Practice location
- **Address:** 9909 MEDICAL CENTER DR, Rockville, MD 20850-6361
- **Phone:** (240) 864-6200 · **Fax:** (240) 864-6209
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Bills Medicare through:** 2 organizations under Medicare reassignment (form CMS-855R): Adventist Physician Services, Inc. (NPI 1376623207, Gaithersburg, MD); Adult Speech Therapy Services LLC (NPI 1063979664, Ashton, MD) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2000
## Record status
- **NPPES last updated:** April 30, 2018
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Source: [NPI Profile](https://npiprofile.com/npi/1326161555) · Data from the CMS NPPES public registry.