MRS. MARY KATHLEEN HERRERA FNPC
NPI 1962700104
Nurse Practitioner - Family in Valencia, CA
About Mrs. Mary Kathleen Herrera Fnpc NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MRS. MARY KATHLEEN HERRERA FNPC (NPI 1962700104) is an individual family provider in Valencia, California, licensed in California (NP6695) and active in the NPI registry since March 2011. 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)
Mrs. Mary Kathleen Herrera Fnpc is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignment
Medicare enrollment records show Mary Herrera reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Valencia, CA 91355
- Reassigned Medicare billing, California enrollment
- 2 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.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 91355 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
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.
VALENCIA, CA 91355
VALENCIA, CA 91355
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 Herrera's NPI number?
The NPI number for Mary Herrera is 1962700104. It was assigned to this individual provider in the NPPES registry on March 12, 2011.
Where is Mary Herrera located?
Mary Herrera practices at 23823 Valencia Blvd Suite 160, Valencia, CA 91355. The listed phone number is (661) 254-0026.
What is Mary Herrera's specialty?
The primary specialty registered for this NPI is Nurse Practitioner, specializing in Family, with taxonomy code 363LF0000X.
Is Mary Herrera enrolled in Medicare?
Yes. Mary Herrera is registered in the Medicare PECOS enrollment system.
Which organization bills Medicare for Mary Herrera's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Mary Herrera reassigns Medicare benefits to Dennis Patrick Lewis,md, (Valencia, 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 Herrera'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 Herrera was last updated on August 7, 2015. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 11 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.
# Mrs. Mary Kathleen Herrera, FNPC · NPI 1962700104
Family physician in Valencia, California. Individual provider, active in the CMS NPPES registry since March 12, 2011.
## Identity
- **NPI:** 1962700104 (Entity type: Individual)
- **Enumerated:** March 12, 2011
- **Primary specialty:** Nurse Practitioner - Family · taxonomy 363LF0000X
- **State license:** NP6695 (California)
- **Sole proprietor:** Yes
## Practice location
- **Address:** 23823 VALENCIA BLVD, SUITE 160, Valencia, CA 91355-9512
- **Phone:** (661) 254-0026 · **Fax:** (661) 254-1773
## 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:** Dennis Patrick Lewis,md, (NPI 1710183140, Valencia, CA), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** August 7, 2015
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Source: [NPI Profile](https://npiprofile.com/npi/1962700104) · Data from the CMS NPPES public registry.