MRS. CASSIE MARIE LEWIS N.P.
NPI 1841688041
Nurse Practitioner - Family in Elk Grove, CA
About Mrs. Cassie Marie Lewis N.p. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MRS. CASSIE MARIE LEWIS N.P. (NPI 1841688041) is an individual family provider in Elk Grove, California, licensed in California (95002113) and active in the NPI registry since December 2014. She is enrolled in Medicare PECOS and is a graduate of Other (2009).
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
Mrs. Cassie Marie Lewis N.p. 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 Cassie Lewis reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Elk Grove, CA 95758
- Reassigned Medicare billing, California enrollment
- 1,191 clinicians in this Medicare group
Elk Grove, CA 95758
- Reassigned Medicare billing, California enrollment
- 23 clinicians in this Medicare group
Sacramento, CA 95823
- Reassigned Medicare billing, California enrollment
- Also billed through NPI 1548216260 (California)
- 2,323 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 4
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 95758 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.
Referred Medical Equipment & Supplies CMS DME claims
Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.
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 Cassie Lewis's NPI number?
The NPI number for Cassie Lewis is 1841688041. It was assigned to this individual provider in the NPPES registry on December 23, 2014.
Where is Cassie Lewis located?
Cassie Lewis practices at 8259 Laguna Blvd Ste 100, Elk Grove, CA 95758. The listed phone number is (916) 691-8570.
What is Cassie Lewis's specialty?
The primary specialty registered for this NPI is Nurse Practitioner, specializing in Family, with taxonomy code 363LF0000X.
Is Cassie Lewis enrolled in Medicare?
Yes. Cassie Lewis 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 Cassie Lewis's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Cassie Lewis reassigns Medicare benefits to 3 organizations: Dignity Health Medical Foundation (Elk Grove, CA), Elk Grove Urgent Care Inc (Elk Grove, CA) and Cep America - California (Sacramento, 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 Cassie Lewis'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 Cassie Lewis was last updated on May 6, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 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.
# Mrs. Cassie Marie Lewis, N.P. · NPI 1841688041
Family physician in Elk Grove, California. Individual provider, active in the CMS NPPES registry since December 23, 2014.
## Identity
- **NPI:** 1841688041 (Entity type: Individual)
- **Enumerated:** December 23, 2014
- **Primary specialty:** Nurse Practitioner - Family · taxonomy 363LF0000X
- **State license:** 95002113 (California)
- **Sole proprietor:** No
## Practice location
- **Address:** 8259 LAGUNA BLVD STE 100, Elk Grove, CA 95758-7963
- **Phone:** (916) 691-8570 · **Fax:** (916) 859-3561
## 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): Dignity Health Medical Foundation (NPI 1558495937, Elk Grove, CA); Elk Grove Urgent Care Inc (NPI 1285812024, Elk Grove, CA); Cep America - California (NPI 1215281233, Sacramento, CA) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2009
## Record status
- **NPPES last updated:** May 6, 2026
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Source: [NPI Profile](https://npiprofile.com/npi/1841688041) · Data from the CMS NPPES public registry.