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LESLIE MERCEDES GONZALEZ M.D.
NPI 1871601591
Obstetrics & Gynecology - Obstetrics in Los Alamitos, CA

Active since August 25, 2006PECOS EnrolledAccepts Medicare Assignment
76.26/100
CMS Quality Rating
3771 KATELLA, SUITE 110, LOS ALAMITOS, CA 90720(562) 296-5232(562) 296-8379 Get Directions Write a Review

NPPES record last updated: January 27, 2011. Verified against the NPPES registry weekly; last sync: October 18, 2026.

About Leslie Mercedes Gonzalez M.d. NPPES

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

LESLIE MERCEDES GONZALEZ M.D. (NPI 1871601591) is an individual obstetrics provider in Los Alamitos, California, licensed in California (A76307) and active in the NPI registry since August 2006. She is enrolled in Medicare PECOS and is a graduate of Rutgers New Jersey Medical School (1997).

NPPES Registry Identity

NPI1871601591
Entity TypeIndividualFemale
Primary Taxonomy207VX0000X
Provider Legal NameLESLIE MERCEDES GONZALEZCredential: M.D.
Location Address3771 KATELLA, SUITE 110Los Alamitos, CA 90720-4013
Mailing Address3771 Katella Ave, Suite 110Los Alamitos, CA 90720-3108 · (562) 296-5232 · Fax (562) 296-8379
Phone(562) 296-5232
Fax(562) 296-8379
Sole ProprietorYes
Medical School CMSRutgers New Jersey Medical SchoolGraduated 1997
Enumeration DateAugust 25, 2006
Last NPPES UpdateJanuary 27, 2011
✔ NPI 1871601591 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyObstetrics & Gynecology · ObstetricsAllopathic & Osteopathic Physicians
Taxonomy Code207VX0000X
License✔ Licensed in CA · A76307
Definition
A physician who specializes in diagnosis, treatment, and management of patients with obstetric conditions. Source: National Uniform Claim Committee
3771 KATELLA, Los Alamitos, CA 90720
Open in Google Maps ↗

Other Identifiers 4

Other204322257CA · Tax Id
Medicare UPINA76307CA
Medicare ID-Type UnspecifiedA76307CA
Medicaid00A763070CA

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

Leslie Mercedes Gonzalez M.d. 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.

PECOS PAC ID1153395181
PECOS Enrollment IDI20040824001298
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 Leslie Gonzalez reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Pih Health Physicians
1.8 mi
Cardiovascular Disease
10601 WALKER STREET, SUITE 100
Cypress, CA 90630
  • Reassigned Medicare billing, California enrollment
  • 840 clinicians in this Medicare group
NPI 1982360772 (714) 656-2140

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 2

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.
20 services15 patients
Cervical or vaginal cancer screening; pelvic and clinical breast examination G0101
This procedure involves checking for health issues in the lower abdomen and chest area. It helps identify early signs of certain conditions, increasing the chance for successful treatment. It's a routine check-up that's important for maintaining good health.
15 services15 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 90720 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
$142.39 typical visit price
range $62.96 – $187.60
Typical copayment $35.59 (range $15.74 – $46.90)
Most-billed visit code 99204
Established Patient
$77.96 typical visit price
range $20.84 – $153.61
Typical copayment $19.49 (range $5.21 – $38.40)
Most-billed visit code 99213
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Medicare Quality Performance CMS QPP · MIPS

Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.

76.26/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored as part of a group practice
Quality62.74
Improvement Activities40
Cost59.29

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 Leslie Gonzalez's NPI number?

The NPI number for Leslie Gonzalez is 1871601591. It was assigned to this individual provider in the NPPES registry on August 25, 2006.

Where is Leslie Gonzalez located?

Leslie Gonzalez practices at 3771 Katella Suite 110, Los Alamitos, CA 90720. The listed phone number is (562) 296-5232.

What is Leslie Gonzalez's specialty?

The primary specialty registered for this NPI is Obstetrics & Gynecology, specializing in Obstetrics, with taxonomy code 207VX0000X.

Is Leslie Gonzalez enrolled in Medicare?

Yes. Leslie Gonzalez 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 Leslie Gonzalez's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Leslie Gonzalez reassigns Medicare benefits to Pih Health Physicians (Cypress, 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 Leslie Gonzalez'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 Leslie Gonzalez was last updated on January 27, 2011. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 15 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.