CARLOS M AYALA FNP
NPI 1629638390
Nurse Practitioner - Family in San Diego, CA

Active since June 15, 2019PECOS EnrolledAccepts Medicare Assignment
5644 MISSION CENTER RD, SAN DIEGO, CA 92108(619) 298-3655 Get Directions Write a Review

NPPES record last updated: May 20, 2026. Verified against the NPPES registry weekly; last sync: November 01, 2026.

Record update history: May 20, 2026, Jun 15, 2019 (2 updates tracked since 2019).

About Carlos M Ayala Fnp NPPES

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

CARLOS M AYALA FNP (NPI 1629638390) is an individual family provider in San Diego, California, licensed in California (95038330) and active in the NPI registry since June 2019. He is enrolled in Medicare PECOS and is a graduate of Other (2025).

NPPES Registry Identity

NPI1629638390
Entity TypeIndividualMale
Primary Taxonomy363LF0000X
Provider Legal NameCARLOS M AYALACredential: FNP
Location Address5644 MISSION CENTER RDSan Diego, CA 92108-4328
Mailing Address5644 Mission Center RdSan Diego, CA 92108-4328 · (619) 298-3655
Sole ProprietorYes
Medical School CMSOtherGraduated 2025
Enumeration DateJune 15, 2019
Last NPPES UpdateMay 20, 20262 updates tracked since enumeration
NPPES CertifiedMay 20, 2026
✔ NPI 1629638390 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyNurse Practitioner · FamilyPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363LF0000X
License✔ Licensed in CA · 95038330
5644 MISSION CENTER RD, San Diego, CA 92108

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

Carlos M Ayala Fnp 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 ID7315401882
PECOS Enrollment IDI20260715002645
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

4

Medicare enrollment records show Carlos Ayala reassigns Medicare billing to 4 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Family
2760 FLETCHER PKWY
El Cajon, CA 92020
  • Reassigned Medicare billing, California enrollment
  • 212 clinicians in this Medicare group
Nurse Practitioner
14330 CULVER DR
Irvine, CA 92604
  • Reassigned Medicare billing, California enrollment
  • 212 clinicians in this Medicare group
Family
14330 CULVER DR
Irvine, CA 92604
  • Reassigned Medicare billing, California enrollment
  • 71 clinicians in this Medicare group
Family
511 N HOLLYWOOD WAY
Burbank, CA 91505
  • Reassigned Medicare billing, California enrollment
  • 236 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 92108 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 5

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

Nurse Practitioner (Family)
5644 MISSION CENTER RD
SAN DIEGO, CA 92108
Pharmacy (Community/Retail Pharmacy)
5644 MISSION CENTER RD, STE 201
SAN DIEGO, CA 92108
Pharmacist
5644 MISSION CENTER RD
SAN DIEGO, CA 92108
Nurse Practitioner (Family)
5644 MISSION CENTER RD
SAN DIEGO, CA 92108
Pharmacist
5644 MISSION CENTER RD
SAN DIEGO, CA 92108

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 Carlos Ayala's NPI number?

The NPI number for Carlos Ayala is 1629638390. It was assigned to this individual provider in the NPPES registry on June 15, 2019.

Where is Carlos Ayala located?

Carlos Ayala practices at 5644 Mission Center Rd, San Diego, CA 92108. The listed phone number is (619) 298-3655.

What is Carlos Ayala's specialty?

The primary specialty registered for this NPI is Nurse Practitioner, specializing in Family, with taxonomy code 363LF0000X.

Is Carlos Ayala enrolled in Medicare?

Yes. Carlos Ayala 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 organizations bill Medicare for Carlos Ayala's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Carlos Ayala reassigns Medicare benefits to 4 organizations: Minuteclinic Diagnostic Medical Group Of San Diego Inc (El Cajon, CA), Minuteclinic Diagnostic Medical Group Of Orange County Inc (Irvine, CA), Minuteclinic Primary Care California (Irvine, CA) and Minuteclinic Diagnostic Medical Group Of California Inc (Burbank, 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 Carlos Ayala'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 Carlos Ayala was last updated on May 20, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 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.