SHAWNA GREENLEAF MD
NPI 1881275675
Student in an Organized Health Care Education/Training Program in Palo Alto, CA
About Shawna Greenleaf Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
SHAWNA GREENLEAF MD (NPI 1881275675) is an individual student in an organized health care education/training program in Palo Alto, California and active in the NPI registry since April 2021. She is enrolled in Medicare PECOS, is affiliated with Tacoma General Allenmore Hospital, and is a graduate of University Of Washington School Of Medicine (2021).
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
Shawna Greenleaf 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 Reassignments
2Medicare enrollment records show Shawna Greenleaf reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Olympia, WA 98512
- Reassigned Medicare billing, Washington enrollment
- 4,383 clinicians in this Medicare group
Tacoma, WA 98405
- Reassigned Medicare billing, Washington enrollment
- 125 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.
Hospital Affiliations CMS Care Compare 2
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Tacoma General Allenmore Hospital
Acute Care Hospitals · Tacoma, WAMulticare Covington Medical Center
Acute Care Hospitals · Covington, WAOther Providers at the Same Location NPPES 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
PALO ALTO, CA 94304
PALO ALTO, CA 94304
PALO ALTO, CA 94304
PALO ALTO, CA 94304
PALO ALTO, CA 94304
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 Shawna Greenleaf's NPI number?
The NPI number for Shawna Greenleaf is 1881275675. It was assigned to this individual provider in the NPPES registry on April 14, 2021.
Where is Shawna Greenleaf located?
Shawna Greenleaf practices at 900 Welch Rd Ste 350, Palo Alto, CA 94304. The listed phone number is (650) 736-9100.
What is Shawna Greenleaf's specialty?
The primary specialty registered for this NPI is Student in an Organized Health Care Education/Training Program with taxonomy code 390200000X.
Is Shawna Greenleaf enrolled in Medicare?
Yes. Shawna Greenleaf 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 Shawna Greenleaf's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Shawna Greenleaf reassigns Medicare benefits to 2 organizations: Multicare Health System (Olympia, WA) and Tacoma Emergency Care Physicians, PLLC (Tacoma, WA). 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 Shawna Greenleaf's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
Is Shawna Greenleaf affiliated with any hospitals?
According to CMS data, Shawna Greenleaf is affiliated with Tacoma General Allenmore Hospital and Multicare Covington Medical Center.
When was this NPI record last updated?
The NPPES record for Shawna Greenleaf was last updated on April 14, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 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.
# Shawna Greenleaf, MD · NPI 1881275675
Student in an Organized Health Care Education/Training Program provider in Palo Alto, California. Individual provider, active in the CMS NPPES registry since April 14, 2021.
## Identity
- **NPI:** 1881275675 (Entity type: Individual)
- **Enumerated:** April 14, 2021
- **Primary specialty:** Student in an Organized Health Care Education/Training Program · taxonomy 390200000X
- **Sole proprietor:** No
## Practice location
- **Address:** 900 WELCH RD STE 350, Palo Alto, CA 94304-1807
- **Phone:** (650) 736-9100
## 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:** 2 organizations under Medicare reassignment (form CMS-855R): Multicare Health System (NPI 1831609775, Olympia, WA); Tacoma Emergency Care Physicians, PLLC (NPI 1770823791, Tacoma, WA) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** University Of Washington School Of Medicine, class of 2021
## Record status
- **NPPES last updated:** April 14, 2021
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Source: [NPI Profile](https://npiprofile.com/npi/1881275675) · Data from the CMS NPPES public registry.