RONDA MACCHELLO MD
NPI 1114019742
Internal Medicine in Los Altos, CA
About Ronda Macchello Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
RONDA MACCHELLO MD (NPI 1114019742) is an individual internal medicine provider in Los Altos, California, licensed in California (G73223) and active in the NPI registry since September 2006. She is enrolled in Medicare PECOS.
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 (PECOS)
Ronda Macchello Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignment
Medicare enrollment records show Ronda Macchello reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Sunnyvale, CA 94085
- Reassigned Medicare billing, California enrollment
- 4 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.
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 Ronda Macchello's NPI number?
The NPI number for Ronda Macchello is 1114019742. It was assigned to this individual provider in the NPPES registry on September 29, 2006.
Where is Ronda Macchello located?
Ronda Macchello practices at 370 Disel Cir, Los Altos, CA 95022. The listed phone number is (650) 254-5200.
What is Ronda Macchello's specialty?
The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.
Is Ronda Macchello enrolled in Medicare?
Yes. Ronda Macchello is registered in the Medicare PECOS enrollment system.
Which organization bills Medicare for Ronda Macchello's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Ronda Macchello reassigns Medicare benefits to Pathways Home Health And Hospice (Sunnyvale, 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 Ronda Macchello'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 Ronda Macchello was last updated on July 16, 2012. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 14 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.
# Ronda Macchello, MD · NPI 1114019742
Internal Medicine physician in Los Altos, California. Individual provider, active in the CMS NPPES registry since September 29, 2006.
## Identity
- **NPI:** 1114019742 (Entity type: Individual)
- **Enumerated:** September 29, 2006
- **Primary specialty:** Internal Medicine · taxonomy 207R00000X
- **State license:** G73223 (California)
- **Sole proprietor:** No
## Practice location
- **Address:** 370 DISEL CIR, Los Altos, CA 95022
- **Phone:** (650) 254-5200
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** Pathways Home Health And Hospice (NPI 1487659769, Sunnyvale, CA), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** July 16, 2012
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Source: [NPI Profile](https://npiprofile.com/npi/1114019742) · Data from the CMS NPPES public registry.