CRYSTAL DEL MAR AYALA CASTILLO MD
NPI 1750847588
Internal Medicine in Fort Pierce, FL
About Crystal Del Mar Ayala Castillo Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
CRYSTAL DEL MAR AYALA CASTILLO MD (NPI 1750847588) is an individual internal medicine provider in Fort Pierce, Florida, licensed in Florida (ME155186) and active in the NPI registry since February 2019. She is enrolled in Medicare PECOS, is affiliated with Cleveland Clinic Martin North Hospital, and is a graduate of Other (2019).
NPPES Registry Identity
Specialties & Licenses 2
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
Crystal Del Mar Ayala Castillo Md 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
2Medicare enrollment records show Crystal Ayala Castillo reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Stuart, FL 34994
- Reassigned Medicare billing, Florida enrollment
- 602 clinicians in this Medicare group
Aventura, FL 33180
- Reassigned Medicare billing, Florida enrollment
- 861 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.
Areas of Expertise CMS Part B claims 8
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.
Hospital Affiliations CMS Care Compare 2
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Cleveland Clinic Martin North Hospital
Acute Care Hospitals · Stuart, FLSt Lucie Medical Center
Acute Care Hospitals · Port Saint Lucie, FLPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 34950 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
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.
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.
FORT PIERCE, FL 34950
FORT PIERCE, FL 34950
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 Crystal Ayala Castillo's NPI number?
The NPI number for Crystal Ayala Castillo is 1750847588. It was assigned to this individual provider in the NPPES registry on February 18, 2019.
Where is Crystal Ayala Castillo located?
Crystal Ayala Castillo practices at 1700 S 23rd St, Fort Pierce, FL 34950. The listed phone number is (772) 461-4000.
What is Crystal Ayala Castillo's specialty?
The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.
Is Crystal Ayala Castillo enrolled in Medicare?
Yes. Crystal Ayala Castillo 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 Crystal Ayala Castillo's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Crystal Ayala Castillo reassigns Medicare benefits to 2 organizations: Martin Memorial Medical Center Inc (Stuart, FL) and Hospital Medicine Services Of Fl, LLC (Aventura, FL). 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 Crystal Ayala Castillo's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Crystal Ayala Castillo accept?
Health plans from Cigna HealthCare of Florida, Inc., Cigna Healthcare, Florida Blue (BlueCross BlueShield FL) and Florida Blue HMO (a BlueCross BlueShield FL company) list Crystal Ayala Castillo 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.
Is Crystal Ayala Castillo affiliated with any hospitals?
According to CMS data, Crystal Ayala Castillo is affiliated with Cleveland Clinic Martin North Hospital and St Lucie Medical Center.
When was this NPI record last updated?
The NPPES record for Crystal Ayala Castillo was last updated on November 16, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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.
# Crystal Del Mar Ayala Castillo, MD · NPI 1750847588
Internal Medicine physician in Fort Pierce, Florida. Individual provider, active in the CMS NPPES registry since February 18, 2019.
## Identity
- **NPI:** 1750847588 (Entity type: Individual)
- **Enumerated:** February 18, 2019
- **Primary specialty:** Internal Medicine · taxonomy 207R00000X
- **State license:** ME155186 (Florida)
- **Sole proprietor:** Yes
## Practice location
- **Address:** 1700 S 23RD ST, Fort Pierce, FL 34950-4803
- **Phone:** (772) 461-4000
## 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:** 2 organizations under Medicare reassignment (form CMS-855R): Martin Memorial Medical Center Inc (NPI 1194790055, Stuart, FL); Hospital Medicine Services Of Fl, LLC (NPI 1710684857, Aventura, FL) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2019
## Record status
- **NPPES last updated:** November 16, 2023
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Source: [NPI Profile](https://npiprofile.com/npi/1750847588) · Data from the CMS NPPES public registry.