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LEAH THERESA RIHA NP
NPI 1558629097
Nurse Practitioner in Saint Helena, CA

Active since May 02, 2012PECOS Enrolled
1222 PINE ST STE A, SAINT HELENA, CA 94574(707) 963-0931(707) 254-1779 Get Directions Write a Review

NPPES record last updated: July 21, 2022. Verified against the NPPES registry weekly; last sync: October 18, 2026.

About Leah Theresa Riha Np NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

LEAH THERESA RIHA NP (NPI 1558629097) is an individual nurse practitioner in Saint Helena, California, licensed in California (NP21225) and active in the NPI registry since May 2012. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1558629097
Entity TypeIndividualFemale
Primary Taxonomy363L00000X
Provider Legal NameLEAH THERESA RIHACredential: NP
Location Address1222 PINE ST STE ASaint Helena, CA 94574-1830
Mailing Address1141 Pear Tree Ln Ste 100Napa, CA 94558-6485 · (707) 254-1770 · Fax (707) 254-1779
Phone(707) 963-0931
Fax(707) 254-1779
Sole ProprietorYes
Enumeration DateMay 2, 2012
Last NPPES UpdateJuly 21, 2022
NPPES CertifiedJuly 21, 2022
✔ NPI 1558629097 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyNurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363L00000X
License✔ Licensed in CA · NP21225
Definition
(1) A registered nurse provider with a graduate degree in nursing prepared for advanced practice involving independent and interdependent decision making and direct accountability for clinical judgment across the health care continuum or in a certified specialty. (2) A registered nurse who has completed additional training beyond basic nursing education and who provides primary health care services in accordance with state nurse practice laws or statutes. Tasks performed by nurse practitioners vary with practice requirements mandated by geographic, political, economic, and social factors. Nurse practitioner specialists include, but are not limited to, family nurse practitioners, gerontological nurse practitioners, pediatric nurse practitioners, obstetric-gynecologic nurse practitioners, and school nurse practitioners.
1222 PINE ST STE A, Saint Helena, CA 94574
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Other Names 1

Former Name (1)Leah Theresa Centanni

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Leah Theresa Riha Np is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Medicare Billing Reassignments

3

Medicare enrollment records show Leah Riha reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Ole Health
Same address
Federally Qualified Health Center (FQHC)
1222 PINE ST, SUITE A
Saint Helena, CA 94574
  • Reassigned Medicare billing, California enrollment
  • 116 clinicians in this Medicare group
NPI 1295913366 (707) 254-1774
University Of California Irvine
408 mi
Federally Qualified Health Center (FQHC)
2441 W LA PALMA AVE
Anaheim, CA 92801
  • Reassigned Medicare billing, California enrollment
  • 255 clinicians in this Medicare group
NPI 1598790529 (657) 282-6356
Memorialcare Medical Foundation
416 mi
Clinic/Center
17360 BROOKHURST ST
Fountain Valley, CA 92708
  • Reassigned Medicare billing, California enrollment
  • 948 clinicians in this Medicare group
NPI 1205167350 (877) 696-3622

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 94574 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$98.97 typical visit price
range $65.08 – $192.16
Typical copayment $24.74 (range $16.27 – $48.04)
Most-billed visit code 99203
Established Patient
$113.15 typical visit price
range $21.86 – $157.83
Typical copayment $28.28 (range $5.46 – $39.45)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

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.

TIMOTHY F DOWLING DO
Family Medicine
1222 PINE ST STE A
SAINT HELENA, CA 94574
Napa County (707) 963-0931
OLIVIA DEMPSTER
Nurse Practitioner (Family)
1222 PINE ST STE A
SAINT HELENA, CA 94574
Napa County (866) 268-4489
DR. TERESA LYNN SHINDER D.O.
Pediatrics
1222 PINE ST STE A
SAINT HELENA, CA 94574
Napa County (707) 963-0931
RAMIRO ZARATE FNP
Nurse Practitioner (Family)
1222 PINE ST STE A
SAINT HELENA, CA 94574
Napa County (707) 963-0931
SARAH ALEXIAH GONZALEZ
Registered Nurse
1222 PINE ST STE A
SAINT HELENA, CA 94574
Napa County (707) 963-0931

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 Riha's NPI number?

The NPI number for Leah Riha is 1558629097. It was assigned to this individual provider in the NPPES registry on May 2, 2012. The provider is also known as Leah Theresa Centanni.

Where is Leah Riha located?

Leah Riha practices at 1222 Pine St Ste A, Saint Helena, CA 94574. The listed phone number is (707) 963-0931.

What is Leah Riha's specialty?

The primary specialty registered for this NPI is Nurse Practitioner with taxonomy code 363L00000X.

Is Leah Riha enrolled in Medicare?

Yes. Leah Riha is registered in the Medicare PECOS enrollment system.

Which organizations bill Medicare for Leah Riha's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Leah Riha reassigns Medicare benefits to 3 organizations: Ole Health (Saint Helena, CA), University Of California Irvine (Anaheim, CA) and Memorialcare Medical Foundation (Fountain Valley, CA). 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 Riha'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 Leah Riha was last updated on July 21, 2022. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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.