MARY FARRELL CNM, WHNP
NPI 1811209679
Advanced Practice Midwife in San Diego, CA
About Mary Farrell Cnm, Whnp NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MARY FARRELL CNM, WHNP (NPI 1811209679) is an individual advanced practice midwife in San Diego, California, licensed in California (1884) and active in the NPI registry since July 2010. She is enrolled in Medicare PECOS and is a graduate of University Of California, San Diego School Of Medicine (2009).
NPPES Registry Identity
Specialties & Licenses 3
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
Mary Farrell Cnm, Whnp 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 Reassignment
Medicare enrollment records show Mary Farrell reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
San Diego, CA 92108
- Reassigned Medicare billing, California enrollment
- 13,921 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 92108 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.
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 Farrell's NPI number?
The NPI number for Mary Farrell is 1811209679. It was assigned to this individual provider in the NPPES registry on July 9, 2010.
Where is Mary Farrell located?
Mary Farrell practices at 1075 Camino Del Rio S, San Diego, CA 92108. The listed phone number is (619) 881-4500.
What is Mary Farrell's specialty?
The primary specialty registered for this NPI is Advanced Practice Midwife with taxonomy code 367A00000X.
Is Mary Farrell enrolled in Medicare?
Yes. Mary Farrell 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 organization bills Medicare for Mary Farrell's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Mary Farrell reassigns Medicare benefits to Southern California Permanente Medical Group (San Diego, 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 Farrell'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 Farrell was last updated on December 1, 2021. 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.
# Mary Farrell, CNM, WHNP · NPI 1811209679
Advanced Practice Midwife physician in San Diego, California. Individual provider, active in the CMS NPPES registry since July 9, 2010.
## Identity
- **NPI:** 1811209679 (Entity type: Individual)
- **Enumerated:** July 9, 2010
- **Primary specialty:** Advanced Practice Midwife · taxonomy 367A00000X
- **State license:** 1884 (California)
- **Sole proprietor:** Yes
## Practice location
- **Address:** 1075 CAMINO DEL RIO S, San Diego, CA 92108-3538
- **Phone:** (619) 881-4500
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment
- **Bills Medicare through:** Southern California Permanente Medical Group (NPI 1023425972, San Diego, CA), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** University Of California, San Diego School Of Medicine, class of 2009
## Record status
- **NPPES last updated:** December 1, 2021
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Source: [NPI Profile](https://npiprofile.com/npi/1811209679) · Data from the CMS NPPES public registry.