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GAIL SILVER M.D
NPI 1154352003
Family Medicine in Mission Viejo, CA

Active since July 06, 2006PECOS Enrolled
23962 ALICIA PKWY, STE I-1, MISSION VIEJO, CA 92691(949) 770-6000 Get Directions Write a Review

NPPES record last updated: January 10, 2008. Verified against the NPPES registry weekly; last sync: October 25, 2026.

About Gail Silver M.d NPPES

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

GAIL SILVER M.D (NPI 1154352003) is an individual family medicine provider in Mission Viejo, California, licensed in California (G57729) and active in the NPI registry since July 2006. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1154352003
Entity TypeIndividualFemale
Primary Taxonomy207Q00000X
Provider Legal NameGAIL SILVERCredential: M.D
Location Address23962 ALICIA PKWY, STE I-1Mission Viejo, CA 92691-3940
Mailing Address2100 Powell St, Ste 920Emeryville, CA 94608-1826 · (510) 350-2777
Phone(949) 770-6000
Sole ProprietorNo
Enumeration DateJuly 6, 2006
Last NPPES UpdateJanuary 10, 2008
✔ NPI 1154352003 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 · G57729
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.
23962 ALICIA PKWY, Mission Viejo, CA 92691
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Other Identifiers 2

Medicare UPINA53329CA
Medicare PINWG57729BCA

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Gail Silver M.d 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

2

Medicare enrollment records show Gail Silver reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Portola Medical Services PC
3.6 mi
Urgent Care
29100 PORTOLA PKWY, SUITE B
Lake Forest, CA 92630
  • Reassigned Medicare billing, California enrollment
  • 10 clinicians in this Medicare group
NPI 1871962076 (844) 254-6382
County Of Riverside
17 mi
Community/Behavioral Health
2813 S MAIN ST FL 2
Corona, CA 92882
  • Reassigned Medicare billing, California enrollment
  • 336 clinicians in this Medicare group
NPI 1205090453 (951) 738-2400

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

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.

Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more 99213
This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.
12 services12 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 92691 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
$96.36 typical visit price
range $62.96 – $187.60
Typical copayment $24.09 (range $15.74 – $46.90)
Most-billed visit code 99203
Established Patient
$109.96 typical visit price
range $20.84 – $153.61
Typical copayment $27.49 (range $5.21 – $38.40)
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 8

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

DR. NADER A. AHMAD M.D.
Family Medicine
23962 ALICIA PKWY, SADDLEBACK FAMILY & URGENT CARE
MISSION VIEJO, CA 92691
Orange County (949) 452-7699
CALIFORNIA EMERGENCY PHYSICIANS
Family Medicine
23962 ALICIA PKWY, STE 1
MISSION VIEJO, CA 92691
Orange County (949) 452-7699
CEP AMERICA - AUC, PC
Family Medicine
23962 ALICIA PKWY
MISSION VIEJO, CA 92691
Orange County (949) 452-7699
SUSAN JACOSKY MEDLEY N.P
Registered Nurse
23962 ALICIA PKWY, STE I-1
MISSION VIEJO, CA 92691
Orange County (949) 770-6000
DR. CLARK STUART PADDOCK M.D.
Emergency Medicine
23962 ALICIA PKWY, SUITE I1
MISSION VIEJO, CA 92691
Orange County (949) 452-7699
MOHAMMAD FAISAL AL-SAYYAD MD
Emergency Medicine
23962 ALICIA PKWY
MISSION VIEJO, CA 92691
Orange County (949) 452-7699
GENE PHUOC HUU BUI
Emergency Medicine (Emergency Medical Services)
23962 ALICIA PKWY, SUITE I1
MISSION VIEJO, CA 92691
Orange County (949) 452-7699
LINDA CHRISTINE KIEHLMEIR P.A-C
Physician Assistant
23962 ALICIA PKWY, STE I-1
MISSION VIEJO, CA 92691
Orange County (949) 770-6000

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 Gail Silver's NPI number?

The NPI number for Gail Silver is 1154352003. It was assigned to this individual provider in the NPPES registry on July 6, 2006.

Where is Gail Silver located?

Gail Silver practices at 23962 Alicia Pkwy Ste I-1, Mission Viejo, CA 92691. The listed phone number is (949) 770-6000.

What is Gail Silver's specialty?

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

Is Gail Silver enrolled in Medicare?

Yes. Gail Silver is registered in the Medicare PECOS enrollment system.

Which organizations bill Medicare for Gail Silver's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Gail Silver reassigns Medicare benefits to 2 organizations: Portola Medical Services PC (Lake Forest, CA) and County Of Riverside (Corona, 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 Gail Silver'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 Gail Silver was last updated on January 10, 2008. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 18 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.