MRS. NATALIE DAWN GUEVARA-LEHMAN LMSW, LCSW
NPI 1578835757
Social Worker - Clinical in San Francisco, CA
About Mrs. Natalie Dawn Guevara-lehman Lmsw, Lcsw NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MRS. NATALIE DAWN GUEVARA-LEHMAN LMSW, LCSW (NPI 1578835757) is an individual clinical provider in San Francisco, California, licensed in Michigan (6801093260) and active in the NPI registry since February 2012. She is enrolled in Medicare PECOS, maintains a secondary practice location in Oceanside, and is a graduate of Other (2011).
NPPES Registry Identity
Specialties & Licenses 6
Secondary Practice Location 1
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
Mrs. Natalie Dawn Guevara-lehman Lmsw, 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 Reassignments
2Medicare enrollment records show Natalie Guevara-lehman reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
San Francisco, CA 94111
- Reassigned Medicare billing, California enrollment
- 291 clinicians in this Medicare group
Burlington, MA 01803
- Reassigned Medicare billing, Massachusetts enrollment
- 350 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 94111 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.
SAN FRANCISCO, CA 94111
SAN FRANCISCO, CA 94111
SAN FRANCISCO, CA 94111
SAN FRANCISCO, CA 94111
SAN FRANCISCO, CA 94111
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 Natalie Guevara-lehman's NPI number?
The NPI number for Natalie Guevara-lehman is 1578835757. It was assigned to this individual provider in the NPPES registry on February 2, 2012.
Where is Natalie Guevara-lehman located?
Natalie Guevara-lehman practices at 1 Embarcadero Ctr Ste 1900, San Francisco, CA 94111. The listed phone number is (888) 663-6331.
What is Natalie Guevara-lehman's specialty?
The primary specialty registered for this NPI is Social Worker, specializing in Clinical, with taxonomy code 1041C0700X.
Is Natalie Guevara-lehman enrolled in Medicare?
Yes. Natalie Guevara-lehman 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 Natalie Guevara-lehman's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Natalie Guevara-lehman reassigns Medicare benefits to 2 organizations: One Medical Group, Inc. (San Francisco, CA) and Mass General Brigham Community Physicians Inc. (Burlington, MA). 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 Natalie Guevara-lehman's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Natalie Guevara-lehman accept?
Health plans from Anthem Blue Cross and Blue Shield, Harvard Pilgrim Health Care and Taro Health list Natalie Guevara-lehman 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 Natalie Guevara-lehman was last updated on November 20, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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.
# Mrs. Natalie Dawn Guevara-Lehman, LMSW, LCSW · NPI 1578835757
Clinical provider in San Francisco, California. Individual provider, active in the CMS NPPES registry since February 2, 2012.
## Identity
- **NPI:** 1578835757 (Entity type: Individual)
- **Enumerated:** February 2, 2012
- **Primary specialty:** Social Worker - Clinical · taxonomy 1041C0700X
- **State license:** 6801093260 (Michigan)
- **Sole proprietor:** Yes
## Practice location
- **Address:** 1 EMBARCADERO CTR STE 1900, San Francisco, CA 94111-3723
- **Phone:** (888) 663-6331
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment
- **Bills Medicare through:** 2 organizations under Medicare reassignment (form CMS-855R): One Medical Group, Inc. (NPI 1467781641, San Francisco, CA); Mass General Brigham Community Physicians Inc. (NPI 1639773039, Burlington, MA) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2011
## Record status
- **NPPES last updated:** November 20, 2023
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Source: [NPI Profile](https://npiprofile.com/npi/1578835757) · Data from the CMS NPPES public registry.