LEAH KATHLEEN MACHEN M.D.
NPI 1023404696
Hospitalist in Reno, NV
About Leah Kathleen Machen M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
LEAH KATHLEEN MACHEN M.D. (NPI 1023404696) is an individual hospitalist provider in Reno, Nevada, licensed in Nevada (24473) and active in the NPI registry since April 2015. She is enrolled in Medicare PECOS, is affiliated with Renown Regional Medical Center, and maintains a secondary practice location in Baton Rouge.
NPPES Registry Identity
Specialties & Licenses 2
Secondary Practice Location 1
Other Identifiers 1
Accepted Insurance
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
Leah Kathleen Machen M.d. 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
8Medicare enrollment records show Leah Machen reassigns Medicare billing to 8 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Reno, NV 89502
- Reassigned Medicare billing, Nevada enrollment
- 735 clinicians in this Medicare group
San Francisco, CA 94110
- Reassigned Medicare billing, California enrollment
- 637 clinicians in this Medicare group
Dallas, TX 75231
- Reassigned Medicare billing, Louisiana enrollment
- 92 clinicians in this Medicare group
Humble, TX 77338
- Reassigned Medicare billing, Louisiana enrollment
- 169 clinicians in this Medicare group
West Monroe, LA 71292
- Reassigned Medicare billing, Louisiana enrollment
- 4,559 clinicians in this Medicare group
New Iberia, LA 70560
- Reassigned Medicare billing, Louisiana enrollment
- 93 clinicians in this Medicare group
Covington, LA 70433
- Reassigned Medicare billing, Louisiana enrollment
- 183 clinicians in this Medicare group
Terrytown, LA 70056
- Reassigned Medicare billing, Louisiana enrollment
- 417 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.
Areas of Expertise CMS Part B claims 5
Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.
Hospital Affiliations CMS Care Compare
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Renown Regional Medical Center
Acute Care Hospitals · Reno, NVPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 89502 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Referred Medical Equipment & Supplies CMS DME claims 2
Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.
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.
RENO, NV 89502
RENO, NV 89502
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 Leah Machen's NPI number?
The NPI number for Leah Machen is 1023404696. It was assigned to this individual provider in the NPPES registry on April 10, 2015.
Where is Leah Machen located?
Leah Machen practices at 1155 Mill St, Reno, NV 89502. The listed phone number is (775) 982-7878.
What is Leah Machen's specialty?
The primary specialty registered for this NPI is Hospitalist with taxonomy code 208M00000X.
Is Leah Machen enrolled in Medicare?
Yes. Leah Machen 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 Leah Machen's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Leah Machen reassigns Medicare benefits to 8 organizations: Community Care Services LLC (Reno, NV), University Of California Sfgh Medical Group (San Francisco, CA), Cogent Healthcare Of Texas, PA (Dallas, TX), Hospitalist Medicine Physicians Of Texas, PLLC (Humble, TX), Ochsner Clinic LLC (West Monroe, LA) and 3 more organizations, listed in the Medicare section above. 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 Leah Machen's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Leah Machen accept?
Health plans from CHRISTUS Health Plan and HMO Louisiana list Leah Machen as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.
Is Leah Machen affiliated with any hospitals?
According to CMS data, Leah Machen is affiliated with Renown Regional Medical Center.
When was this NPI record last updated?
The NPPES record for Leah Machen was last updated on May 22, 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.
# Leah Kathleen Machen, M.D. · NPI 1023404696
Hospitalist physician in Reno, Nevada. Individual provider, active in the CMS NPPES registry since April 10, 2015.
## Identity
- **NPI:** 1023404696 (Entity type: Individual)
- **Enumerated:** April 10, 2015
- **Primary specialty:** Hospitalist · taxonomy 208M00000X
- **State license:** 24473 (Nevada)
- **Sole proprietor:** No
## Practice location
- **Address:** 1155 MILL ST, Reno, NV 89502-1576
- **Phone:** (775) 982-7878 · **Fax:** (775) 982-4196
## 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:** 8 organizations under Medicare reassignment (form CMS-855R): Community Care Services LLC (NPI 1053272989, Reno, NV); University Of California Sfgh Medical Group (NPI 1356696215, San Francisco, CA); Cogent Healthcare Of Texas, PA (NPI 1992722953, Dallas, TX); Hospitalist Medicine Physicians Of Texas, PLLC (NPI 1629307095, Humble, TX); Ochsner Clinic LLC (NPI 1932598695, West Monroe, LA); and 3 more · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Emory University School Of Medicine, class of 2015
## Record status
- **NPPES last updated:** May 22, 2024
- **Other identifiers:** Other 323961 (LA)
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Source: [NPI Profile](https://npiprofile.com/npi/1023404696) · Data from the CMS NPPES public registry.