MARGARET ELLEN DVORAK LCSW
NPI 1982233169
Social Worker - Clinical in Stanford, CA
About Margaret Ellen Dvorak Lcsw NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MARGARET ELLEN DVORAK LCSW (NPI 1982233169) is an individual clinical provider in Stanford, California, licensed in California (19703) and active in the NPI registry since April 2020. She is enrolled in Medicare PECOS, maintains a secondary practice location in Burlingame, and is a graduate of Other (1996).
NPPES Registry Identity
Specialties & Licenses
Secondary Practice Location 1
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
Margaret Ellen Dvorak Lcsw 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 Reassignment
Medicare enrollment records show Margaret Dvorak reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Stanford, CA 94305
- Reassigned Medicare billing, California enrollment
- 4,258 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.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 94305 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.
STANFORD, CA 94305
STANFORD, CA 94305
STANFORD, CA 94305
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 Margaret Dvorak's NPI number?
The NPI number for Margaret Dvorak is 1982233169. It was assigned to this individual provider in the NPPES registry on April 8, 2020.
Where is Margaret Dvorak located?
Margaret Dvorak practices at 300 Pasteur Dr, Stanford, CA 94305. The listed phone number is (650) 454-0736.
What is Margaret Dvorak's specialty?
The primary specialty registered for this NPI is Social Worker, specializing in Clinical, with taxonomy code 1041C0700X.
Is Margaret Dvorak enrolled in Medicare?
Yes. Margaret Dvorak 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 organization bills Medicare for Margaret Dvorak's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Margaret Dvorak reassigns Medicare benefits to Stanford Health Care (Stanford, CA). The 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 Margaret Dvorak'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 Margaret Dvorak was last updated on February 18, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 20 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.
# Margaret Ellen Dvorak, LCSW · NPI 1982233169
Clinical provider in Stanford, California. Individual provider, active in the CMS NPPES registry since April 8, 2020.
## Identity
- **NPI:** 1982233169 (Entity type: Individual)
- **Enumerated:** April 8, 2020
- **Primary specialty:** Social Worker - Clinical · taxonomy 1041C0700X
- **State license:** 19703 (California)
- **Sole proprietor:** Yes
## Practice location
- **Address:** 300 PASTEUR DR, Stanford, CA 94305-2200
- **Phone:** (650) 454-0736
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment
- **Bills Medicare through:** Stanford Health Care (NPI 1437292927, Stanford, CA), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 1996
## Record status
- **NPPES last updated:** February 18, 2025
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Source: [NPI Profile](https://npiprofile.com/npi/1982233169) · Data from the CMS NPPES public registry.