1. Home
  2. Directory
  3. California
  4. Spring Valley
  5. Family Medicine
  6. NPI Profile

DR. DARREN ALAN FARNESI M.D.
NPI 1811906175
Family Medicine in Spring Valley, CA

Active since August 05, 2006Opted out of Medicare · through Feb 8, 2028
10225 AUSTIN DR, SUITE 203, SPRING VALLEY, CA 91978(619) 660-9068(619) 660-7640 Get Directions Write a Review

NPPES record last updated: July 8, 2007. Verified against the NPPES registry weekly; last sync: August 09, 2026.

About Dr. Darren Alan Farnesi M.d. NPPES

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

DR. DARREN ALAN FARNESI M.D. (NPI 1811906175) is an individual family medicine provider in Spring Valley, California, licensed in California (A 72585) and active in the NPI registry since August 2006. He has opted out of Medicare through February 8, 2028 and remains eligible to order and refer.

NPPES Registry Identity

NPI1811906175
Entity TypeIndividualMale
Primary Taxonomy207Q00000X
Provider Legal NameDR. DARREN ALAN FARNESICredential: M.D.
Location Address10225 AUSTIN DR, SUITE 203Spring Valley, CA 91978-1522
Mailing Address10225 Austin Dr, Suite 203Spring Valley, CA 91978-1522 · (619) 660-9068 · Fax (619) 660-7640
Phone(619) 660-9068
Fax(619) 660-7640
Sole ProprietorYes
Enumeration DateAugust 5, 2006
Last NPPES UpdateJuly 8, 2007
✔ NPI 1811906175 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyFamily MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207Q00000X
License✔ Licensed in CA · A 72585
Definition
Family Medicine is the medical specialty which is concerned with the total health care of the individual and the family. It is the specialty in breadth which integrates the biological, clinical, and behavioral sciences. The scope of family medicine is not limited by age, sex, organ system, or disease entity.
10225 AUSTIN DR, Spring Valley, CA 91978
Open in Google Maps ↗

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

ⓘ

Opted out of Medicare

Dr. Darren Alan Farnesi M.d. has filed a Medicare opt-out affidavit. Services are provided under private contract between the provider and the patient, and are not billed to or reimbursed by Medicare. The opt-out is on file from February 8, 2016 through February 8, 2028.

Opt-Out Effective DateFebruary 8, 2016
Opt-Out In Effect ThroughFebruary 8, 2028Opt-out affidavits renew automatically every two years unless cancelled
Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesAn opted-out provider can still order and refer for Medicare patients in the categories marked above, even though their own services are not covered.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 91978 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
$94.87 typical visit price
range $62.10 – $184.71
Typical copayment $23.71 (range $15.52 – $46.17)
Most-billed visit code 99203
Established Patient
$108.42 typical visit price
range $20.62 – $151.42
Typical copayment $27.10 (range $5.15 – $37.85)
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 11

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

EMG
Family Medicine
10225 AUSTIN DR, STE #103
SPRING VALLEY, CA 91978
San Diego County (619) 660-6719
INNOVATIVE WELLNESS CLINIC, INC., A NURSING CORPORATION
Family Medicine
10225 AUSTIN DR, STE 105
SPRING VALLEY, CA 91978
San Diego County (858) 648-0755
MARY THERESE DEASON PT
Physical Therapist
10225 AUSTIN DR, SUITE 106
SPRING VALLEY, CA 91978
San Diego County (619) 660-8895
ROBERT S. LIPETZ D.O.
Family Medicine
10225 AUSTIN DR, SUITE 203
SPRING VALLEY, CA 91978
San Diego County (619) 660-9068
MERILEE R SUMMERFIELD PA
Family Medicine
10225 AUSTIN DR, STE #101
SPRING VALLEY, CA 91978
San Diego County (619) 660-6003
JULIANNA KATA NIKOLIC B.S., LSN
Nutritionist
10225 AUSTIN DR, STE 105
SPRING VALLEY, CA 91978
San Diego County (619) 670-8028
WALK WITH ME INC.
Clinic/Center (Magnetic Resonance Imaging (MRI))
10225 AUSTIN DR
SPRING VALLEY, CA 91978
San Diego County (619) 201-1624
HANID AUDISH DO
Family Medicine
10225 AUSTIN DR, SUITE 101
SPRING VALLEY, CA 91978
San Diego County (619) 660-6003

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 Darren Farnesi's NPI number?

The NPI number for Darren Farnesi is 1811906175. It was assigned to this individual provider in the NPPES registry on August 5, 2006.

Where is Darren Farnesi located?

Darren Farnesi practices at 10225 Austin Dr Suite 203, Spring Valley, CA 91978. The listed phone number is (619) 660-9068.

What is Darren Farnesi's specialty?

The primary specialty registered for this NPI is Family Medicine with taxonomy code 207Q00000X.

Is Darren Farnesi enrolled in Medicare?

No. Darren Farnesi has opted out of Medicare through February 8, 2028. Care is provided under private contracts, and Medicare does not pay for services furnished by providers who have opted out. The provider remains eligible to order and refer services for Medicare patients.

When was this NPI record last updated?

The NPPES record for Darren Farnesi was last updated on July 8, 2007. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 19 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.