MISS ILONA CATALINA JUAN
NPI 1255721593
Anesthesiology in San Diego, CA
About Miss Ilona Catalina Juan NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MISS ILONA CATALINA JUAN (NPI 1255721593) is an individual anesthesiology provider in San Diego, California, licensed in California (A158444) and active in the NPI registry since January 2015. She is enrolled in Medicare PECOS, maintains 3 additional practice locations, and is a graduate of Johns Hopkins University School Of Medicine (2017).
NPPES Registry Identity
Specialties & Licenses
Secondary Practice Locations 3
Accepted Insurance
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
Miss Ilona Catalina Juan 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.
Medicare Billing Reassignments
12Medicare enrollment records show Ilona Juan reassigns Medicare billing to 12 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
San Diego, CA 92103
- Reassigned Medicare billing, California enrollment
- 251 clinicians in this Medicare group
San Diego, CA 92108
- Reassigned Medicare billing, California enrollment
- 13,921 clinicians in this Medicare group
Laguna Hills, CA 92653
- Reassigned Medicare billing, California enrollment
- 833 clinicians in this Medicare group
Modesto, CA 95355
- Reassigned Medicare billing, California enrollment
- Also billed through NPI 1346615150 (California), NPI 1467825844 (California), NPI 1972877264 (California), NPI 1457593980 (California)
- 3,056 clinicians in this Medicare group
San Francisco, CA 94143
- Reassigned Medicare billing, California enrollment
- 723 clinicians in this Medicare group
San Francisco, CA 94143
- Reassigned Medicare billing, California enrollment
- 5,645 clinicians in this Medicare group
San Francisco, CA 94122
- Reassigned Medicare billing, California enrollment
- 5,544 clinicians in this Medicare group
Pensacola, FL 32514
- Reassigned Medicare billing, Florida enrollment
- 528 clinicians in this Medicare group
Pensacola, FL 32502
- Reassigned Medicare billing, Florida enrollment
- 183 clinicians in this Medicare group
Pensacola, FL 32502
- Reassigned Medicare billing, Florida enrollment
- 177 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.
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.
SAN DIEGO, CA 92103
SAN DIEGO, CA 92103
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 Ilona Juan's NPI number?
The NPI number for Ilona Juan is 1255721593. It was assigned to this individual provider in the NPPES registry on January 26, 2015.
Where is Ilona Juan located?
Ilona Juan practices at 200 W Arbor Dr, San Diego, CA 92103. The listed phone number is (800) 926-8273.
What is Ilona Juan's specialty?
The primary specialty registered for this NPI is Anesthesiology with taxonomy code 207L00000X.
Is Ilona Juan enrolled in Medicare?
Yes. Ilona Juan 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 Ilona Juan's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Ilona Juan reassigns Medicare benefits to 12 organizations: Regents Of The University Of California (San Diego, CA), Southern California Permanente Medical Group (San Diego, CA), Cep America - Anesthesia PC (Laguna Hills, CA), Sutter Valley Medical Foundation (Modesto, CA), University Anesthesia Medical Group (San Francisco, CA) and 7 more organizations, listed in the Medicare section above. 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 Ilona Juan's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Ilona Juan accept?
Health plans from Oscar Health Maintenance Organization of Florida list Ilona Juan as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.
When was this NPI record last updated?
The NPPES record for Ilona Juan was last updated on May 7, 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.
# Miss Ilona Catalina Juan · NPI 1255721593
Anesthesiology physician in San Diego, California. Individual provider, active in the CMS NPPES registry since January 26, 2015.
## Identity
- **NPI:** 1255721593 (Entity type: Individual)
- **Enumerated:** January 26, 2015
- **Primary specialty:** Anesthesiology · taxonomy 207L00000X
- **State license:** A158444 (California)
- **Sole proprietor:** No
## Practice location
- **Address:** 200 W ARBOR DR, San Diego, CA 92103-9000
- **Phone:** (800) 926-8273 · **Fax:** (888) 539-8781
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** 12 organizations under Medicare reassignment (form CMS-855R): Regents Of The University Of California (NPI 1356444897, San Diego, CA); Southern California Permanente Medical Group (NPI 1023425972, San Diego, CA); Cep America - Anesthesia PC (NPI 1861373631, Laguna Hills, CA); Sutter Valley Medical Foundation (NPI 1669846986, Modesto, CA); University Anesthesia Medical Group (NPI 1528137296, San Francisco, CA); and 7 more · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Johns Hopkins University School Of Medicine, class of 2017
## Record status
- **NPPES last updated:** May 7, 2026
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Source: [NPI Profile](https://npiprofile.com/npi/1255721593) · Data from the CMS NPPES public registry.