DR. MARYA EILEEN LEAHY M.D.
NPI 1598056715
Anesthesiology in Saint Helena, CA
About Dr. Marya Eileen Leahy M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. MARYA EILEEN LEAHY M.D. (NPI 1598056715) is an individual anesthesiology provider in Saint Helena, California, licensed in California (A125778) and active in the NPI registry since April 2011. She is enrolled in Medicare PECOS, is affiliated with Ohsu Hospital And Clinics, and is a graduate of Other (2011).
NPPES Registry Identity
Specialties & Licenses
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. Marya Eileen Leahy 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
4Medicare enrollment records show Marya Leahy reassigns Medicare billing to 4 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Saint Helena, CA 94574
- Reassigned Medicare billing, California enrollment
- 8 clinicians in this Medicare group
Salinas, CA 93901
- Reassigned Medicare billing, California enrollment
- 33 clinicians in this Medicare group
Klamath Falls, OR 97603
- Reassigned Medicare billing, Oregon enrollment
- 2,212 clinicians in this Medicare group
Portland, OR 97239
- Reassigned Medicare billing, Oregon enrollment
- 279 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 4
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.
Ohsu Hospital And Clinics
Acute Care Hospitals · Portland, ORMedicare Quality Performance CMS QPP · MIPS
Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.
Reported Quality Measures
Other Providers at the Same Location NPPES 5
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
SAINT HELENA, CA 94574
ST. HELENA, CA 94574
SAINT HELENA, CA 94574
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 Marya Leahy's NPI number?
The NPI number for Marya Leahy is 1598056715. It was assigned to this individual provider in the NPPES registry on April 21, 2011.
Where is Marya Leahy located?
Marya Leahy practices at 10 Woodland Road, Saint Helena, CA 94574. The listed phone number is (707) 963-3611.
What is Marya Leahy's specialty?
The primary specialty registered for this NPI is Anesthesiology with taxonomy code 207L00000X.
Is Marya Leahy enrolled in Medicare?
Yes. Marya Leahy 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 Marya Leahy's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Marya Leahy reassigns Medicare benefits to 4 organizations: Lyons Huber Anesthesia A Medical Corporation (Saint Helena, CA), Cypress Coast Anesthesia Medical Group, Inc. (Salinas, CA), University Professional Services (Klamath Falls, OR) and University Anesthesiology Associates, LLC (Portland, OR). 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 Marya Leahy's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
Is Marya Leahy affiliated with any hospitals?
According to CMS data, Marya Leahy is affiliated with Ohsu Hospital And Clinics.
When was this NPI record last updated?
The NPPES record for Marya Leahy was last updated on May 9, 2017. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 9 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. Marya Eileen Leahy, M.D. · NPI 1598056715
Anesthesiology physician in Saint Helena, California. Individual provider, active in the CMS NPPES registry since April 21, 2011.
## Identity
- **NPI:** 1598056715 (Entity type: Individual)
- **Enumerated:** April 21, 2011
- **Primary specialty:** Anesthesiology · taxonomy 207L00000X
- **State license:** A125778 (California)
- **Sole proprietor:** Yes
## Practice location
- **Address:** 10 WOODLAND ROAD, Saint Helena, CA 94574-9554
- **Phone:** (707) 963-3611
## 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:** 4 organizations under Medicare reassignment (form CMS-855R): Lyons Huber Anesthesia A Medical Corporation (NPI 1619022852, Saint Helena, CA); Cypress Coast Anesthesia Medical Group, Inc. (NPI 1992726855, Salinas, CA); University Professional Services (NPI 1659605707, Klamath Falls, OR); University Anesthesiology Associates, LLC (NPI 1841217817, Portland, OR) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2011
## Record status
- **NPPES last updated:** May 9, 2017
- **Other identifiers:** Medicare PIN CA243254 (CA)
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Source: [NPI Profile](https://npiprofile.com/npi/1598056715) · Data from the CMS NPPES public registry.