DR. HILARY CRAWFORD WILLIAMS MD
NPI 1063537017
Emergency Medicine in Sacramento, CA
About Dr. Hilary Crawford Williams Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. HILARY CRAWFORD WILLIAMS MD (NPI 1063537017) is an individual emergency medicine provider in Sacramento, California, licensed in California (A112713) and active in the NPI registry since March 2007. She is enrolled in Medicare PECOS and is a graduate of Other (2005).
NPPES Registry Identity
Specialties & Licenses
Other Names 1
Other Identifiers 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
Dr. Hilary Crawford Williams Md 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 Hilary Williams reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Stockton, CA 95210
- Reassigned Medicare billing, California enrollment
- 20,078 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 95825 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.
SACRAMENTO, CA 95825
SACRAMENTO, CA 95825
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 Hilary Williams's NPI number?
The NPI number for Hilary Williams is 1063537017. It was assigned to this individual provider in the NPPES registry on March 20, 2007. The provider is also known as Hilary Megan Crawford MD.
Where is Hilary Williams located?
Hilary Williams practices at 2025 Morse Ave, Sacramento, CA 95825. The listed phone number is (916) 973-5000.
What is Hilary Williams's specialty?
The primary specialty registered for this NPI is Emergency Medicine with taxonomy code 207P00000X.
Is Hilary Williams enrolled in Medicare?
Yes. Hilary Williams 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 Hilary Williams's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Hilary Williams reassigns Medicare benefits to Permanente Medical Group Inc (Stockton, 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 Hilary Williams'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 Hilary Williams was last updated on March 7, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 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.
# Dr. Hilary Crawford Williams, MD · NPI 1063537017
Emergency Medicine physician in Sacramento, California. Individual provider, active in the CMS NPPES registry since March 20, 2007.
## Identity
- **NPI:** 1063537017 (Entity type: Individual)
- **Enumerated:** March 20, 2007
- **Primary specialty:** Emergency Medicine · taxonomy 207P00000X
- **State license:** A112713 (California)
- **Sole proprietor:** No
## Practice location
- **Address:** 2025 MORSE AVE, Sacramento, CA 95825-2115
- **Phone:** (916) 973-5000 · **Fax:** (916) 973-5000
## 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:** Permanente Medical Group Inc (NPI 1548343510, Stockton, CA), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2005
## Record status
- **NPPES last updated:** March 7, 2023
- **Other identifiers:** Other A112713 (CA)
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Source: [NPI Profile](https://npiprofile.com/npi/1063537017) · Data from the CMS NPPES public registry.