1. Home
  2. Directory
  3. California
  4. La Mesa
  5. Obstetrics Gynecology
  6. NPI Profile

ANDREW JAY GELLENS MD
NPI 1164528741
Obstetrics & Gynecology - Gynecologic Oncology in La Mesa, CA

Active since September 15, 2006PECOS Enrolled
8851 CENTER DR 210, LA MESA, CA 91942(619) 463-7775(619) 463-4181 Get Directions Write a Review

NPPES record last updated: February 1, 2023. Verified against the NPPES registry weekly; last sync: October 18, 2026.

About Andrew Jay Gellens Md NPPES

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

ANDREW JAY GELLENS MD (NPI 1164528741) is an individual gynecologic oncology provider in La Mesa, California, licensed in California (G71477) and active in the NPI registry since September 2006. He is enrolled in Medicare PECOS and maintains a secondary practice location in San Diego.

NPPES Registry Identity

NPI1164528741
Entity TypeIndividualMale
Primary Taxonomy207VX0201X
Provider Legal NameANDREW JAY GELLENSCredential: MD
Location Address8851 CENTER DR 210La Mesa, CA 91942
Mailing Address8851 Center Dr 210La Mesa, CA 91942 · (619) 463-7775 · Fax (619) 463-4181
Phone(619) 463-7775
Fax(619) 463-4181
Sole ProprietorNo
Enumeration DateSeptember 15, 2006
Last NPPES UpdateFebruary 1, 2023
NPPES CertifiedFebruary 1, 2023
✔ NPI 1164528741 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyObstetrics & Gynecology · Gynecologic OncologyAllopathic & Osteopathic Physicians
Taxonomy Code207VX0201X
License✔ Licensed in CA · G71477
Definition
An obstetrician/gynecologist who provides consultation and comprehensive management of patients with gynecologic cancer, including those diagnostic and therapeutic procedures necessary for the total care of the patient with gynecologic cancer and resulting complications.
8851 CENTER DR 210, La Mesa, CA 91942
Open in Google Maps ↗

Secondary Practice Location 1

Location 14060 Fairmount Ave, OB/GYN DepartmentSan Diego, CA 92105 · Phone (619) 280-7072 · Fax (619) 961-0804

Other Identifiers 1

OtherGR0043610Medical Group

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Andrew Jay Gellens Md 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 Andrew Gellens reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

La Maestra Family Clinic, Inc.
2.9 mi
Community Health
7967 BROADWAY
Lemon Grove, CA 91945
  • Reassigned Medicare billing, California enrollment
  • 102 clinicians in this Medicare group
NPI 1891011599 (619) 280-1105

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 91942 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
$184.71 typical visit price
range $62.10 – $184.71
Typical copayment $46.17 (range $15.52 – $46.17)
Most-billed visit code 99205
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.

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 Andrew Gellens's NPI number?

The NPI number for Andrew Gellens is 1164528741. It was assigned to this individual provider in the NPPES registry on September 15, 2006.

Where is Andrew Gellens located?

Andrew Gellens practices at 8851 Center Dr 210, La Mesa, CA 91942. The listed phone number is (619) 463-7775.

What is Andrew Gellens's specialty?

The primary specialty registered for this NPI is Obstetrics & Gynecology, specializing in Gynecologic Oncology, with taxonomy code 207VX0201X.

Is Andrew Gellens enrolled in Medicare?

Yes. Andrew Gellens is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Andrew Gellens's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Andrew Gellens reassigns Medicare benefits to La Maestra Family Clinic, Inc. (Lemon Grove, 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 Andrew Gellens'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 Andrew Gellens was last updated on February 1, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 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.