MARY BETH LEONARD MD
NPI 1033133046
Pediatrics - Pediatric Nephrology in Palo Alto, CA
About Mary Beth Leonard Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MARY BETH LEONARD MD (NPI 1033133046) is an individual pediatric nephrology provider in Palo Alto, California, licensed in California (G132734) and active in the NPI registry since July 2006. She is enrolled in Medicare PECOS and is a graduate of Stanford University School Of Medicine (1989).
NPPES Registry Identity
Specialties & Licenses 2
Other Identifiers 2
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
Mary Beth Leonard 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 Mary Leonard reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Palo Alto, CA 94304
- Reassigned Medicare billing, California enrollment
- 3,617 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.
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.
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 Mary Leonard's NPI number?
The NPI number for Mary Leonard is 1033133046. It was assigned to this individual provider in the NPPES registry on July 26, 2006.
Where is Mary Leonard located?
Mary Leonard practices at 725 Welch Rd, Palo Alto, CA 94304. The listed phone number is (650) 497-8000.
What is Mary Leonard's specialty?
The primary specialty registered for this NPI is Pediatrics, specializing in Pediatric Nephrology, with taxonomy code 2080P0210X.
Is Mary Leonard enrolled in Medicare?
Yes. Mary Leonard 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 Mary Leonard's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Mary Leonard reassigns Medicare benefits to Lpch Medical Group Div Of Lucile (Palo Alto, 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 Mary Leonard'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 Mary Leonard was last updated on April 16, 2024. 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.
# Mary Beth Leonard, MD · NPI 1033133046
Pediatric Nephrology physician in Palo Alto, California. Individual provider, active in the CMS NPPES registry since July 26, 2006.
## Identity
- **NPI:** 1033133046 (Entity type: Individual)
- **Enumerated:** July 26, 2006
- **Primary specialty:** Pediatrics - Pediatric Nephrology · taxonomy 2080P0210X
- **State license:** G132734 (California)
- **Sole proprietor:** No
## Practice location
- **Address:** 725 WELCH RD, Palo Alto, CA 94304-1601
- **Phone:** (650) 497-8000
## 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:** Lpch Medical Group Div Of Lucile (NPI 1417907940, Palo Alto, CA), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Stanford University School Of Medicine, class of 1989
## Record status
- **NPPES last updated:** April 16, 2024
- **Other identifiers:** Medicaid 7291604 (NJ); Medicaid 001647480 (PA)
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Source: [NPI Profile](https://npiprofile.com/npi/1033133046) · Data from the CMS NPPES public registry.