DR. GREGORY DAVID WEYGANDT DO
NPI 1336728559
Family Medicine in San Diego, CA

Active since April 05, 2021PECOS Enrolled
4094 4TH AVE, SAN DIEGO, CA 92103(619) 515-2545 Get Directions Write a Review

NPPES record last updated: July 17, 2025. Verified against the NPPES registry weekly; last sync: October 25, 2026.

About Dr. Gregory David Weygandt Do NPPES

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

DR. GREGORY DAVID WEYGANDT DO (NPI 1336728559) is an individual family medicine provider in San Diego, California, licensed in California (20A20464) and active in the NPI registry since April 2021. He is enrolled in Medicare PECOS and maintains a secondary practice location in San Diego.

NPPES Registry Identity

NPI1336728559
Entity TypeIndividualMale
Primary Taxonomy207Q00000X
Provider Legal NameDR. GREGORY DAVID WEYGANDTCredential: DO
Location Address4094 4TH AVESan Diego, CA 92103-2143
Mailing Address823 Gateway Center WaySan Diego, CA 92102-4541
Sole ProprietorNo
Enumeration DateApril 5, 2021
Last NPPES UpdateJuly 17, 2025
NPPES CertifiedJuly 17, 2025
✔ NPI 1336728559 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 · 20A20464
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.
4094 4TH AVE, San Diego, CA 92103

Secondary Practice Location 1

Location 15454 El Cajon BlvdSan Diego, CA 92115-3621 · Phone (619) 515-2400

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Dr. Gregory David Weygandt Do 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 Reassignment

Medicare enrollment records show Gregory Weygandt reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Federally Qualified Health Center (FQHC)
4094 4TH AVE
San Diego, CA 92103
  • Reassigned Medicare billing, California enrollment
  • 1,100 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 92103 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 20

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

Physical Therapist
4094 4TH AVE
SAN DIEGO, CA 92103
Internal Medicine
4094 4TH AVE
SAN DIEGO, CA 92103
Family Medicine
4094 4TH AVE
SAN DIEGO, CA 92103
Radiology (Diagnostic Radiology)
4094 4TH AVE, SUITE 200, MC 0834
SAN DIEGO, CA 92103
Social Worker (Clinical)
4094 4TH AVE
SAN DIEGO, CA 92103
Social Worker (Clinical)
4094 4TH AVE
SAN DIEGO, CA 92103
Physical Therapist
4094 4TH AVE
SAN DIEGO, CA 92103
Family Medicine (Sports Medicine)
4094 4TH AVE
SAN DIEGO, CA 92103

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 Gregory Weygandt's NPI number?

The NPI number for Gregory Weygandt is 1336728559. It was assigned to this individual provider in the NPPES registry on April 5, 2021.

Where is Gregory Weygandt located?

Gregory Weygandt practices at 4094 4th Ave, San Diego, CA 92103. The listed phone number is (619) 515-2545.

What is Gregory Weygandt's specialty?

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

Is Gregory Weygandt enrolled in Medicare?

Yes. Gregory Weygandt is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Gregory Weygandt's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Gregory Weygandt reassigns Medicare benefits to Family Health Centers Of San Diego Inc (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 Gregory Weygandt'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 Gregory Weygandt was last updated on July 17, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 15 months 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.