MS. CRISTA S. UNDERWOOD LCSW
NPI 1851470892
Social Worker - Clinical in San Francisco, CA
About Ms. Crista S. Underwood Lcsw NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MS. CRISTA S. UNDERWOOD LCSW (NPI 1851470892) is an individual clinical provider in San Francisco, California, licensed in California (26642) and active in the NPI registry since November 2006. She is enrolled in Medicare PECOS and is a graduate of Other (2010).
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
Ms. Crista S. Underwood 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 Crista Underwood reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
San Francisco, CA 94112
- Reassigned Medicare billing, California enrollment
- 1,573 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 94112 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.
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 94112
SAN FRANCISCO, CA 94112
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 Crista Underwood's NPI number?
The NPI number for Crista Underwood is 1851470892. It was assigned to this individual provider in the NPPES registry on November 2, 2006.
Where is Crista Underwood located?
Crista Underwood practices at 1701 Ocean Ave, San Francisco, CA 94112. The listed phone number is (415) 452-2254.
What is Crista Underwood's specialty?
The primary specialty registered for this NPI is Social Worker, specializing in Clinical, with taxonomy code 1041C0700X.
Is Crista Underwood enrolled in Medicare?
Yes. Crista Underwood 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 Crista Underwood's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Crista Underwood reassigns Medicare benefits to City & County Of San Francisco (San Francisco, 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 Crista Underwood'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 Crista Underwood was last updated on July 17, 2020. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 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.
# Ms. Crista S. Underwood, LCSW · NPI 1851470892
Clinical provider in San Francisco, California. Individual provider, active in the CMS NPPES registry since November 2, 2006.
## Identity
- **NPI:** 1851470892 (Entity type: Individual)
- **Enumerated:** November 2, 2006
- **Primary specialty:** Social Worker - Clinical · taxonomy 1041C0700X
- **State license:** 26642 (California)
- **Sole proprietor:** No
## Practice location
- **Address:** 1701 OCEAN AVE, San Francisco, CA 94112-1727
- **Phone:** (415) 452-2254
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment
- **Bills Medicare through:** City & County Of San Francisco (NPI 1558470294, San Francisco, CA), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2010
## Record status
- **NPPES last updated:** July 17, 2020
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Source: [NPI Profile](https://npiprofile.com/npi/1851470892) · Data from the CMS NPPES public registry.