Dr. Crystal Del Mar Ayala Castillo, MD

  • Stuart, FL
  • Internist
NPI1750847588PAC ID6305229923
Medicare services, 2024
1,223
Medicare patients, 2024
428
Part D claims, 2024
542
MIPS score, 2024
92
Hospital affiliations
3
Practice address
200 SE Hospital Ave, Stuart, FL 34994
Practice phone
Call (772) 287-5200
Professional email
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Personal email
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Mobile number
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Social profiles

Primary practice

Cleveland Clinic Martin North Hospital

Hospital · Stuart, Florida

See all 5 affiliations

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Dr. Crystal Del Mar Ayala Castillo is an internist in Stuart, Florida

Dr. Ayala Castillo practices at Cleveland Clinic Martin North Hospital in Stuart, Florida, part of The Cleveland Clinic Foundation.

Dr. Ayala Castillo's NPI, 1750847588, was assigned on February 18, 2019. Dr. Ayala Castillo graduated from University of Medicine & Health Sciences St. Kitts in 2019. Dr. Ayala Castillo holds Florida license ME155186.

NPI and contact details
Medicare PAC ID
6305229923
NPI enumeration date
February 18, 2019
NPI status
Active
Accepts Medicare assignment
Yes
Practice phone
(772) 287-5200
Professional email
Get email
Personal email
Get email
Mobile number
Get number
Sex
Female
Estimated age
33
Medical school graduation
2019

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)

Dr. Crystal Del Mar Ayala Castillo practices at Cleveland Clinic Martin North Hospital in Stuart, Florida

Dr. Ayala Castillo's primary practice is Cleveland Clinic Martin North Hospital, at 200 SE Hospital Ave, Stuart, FL 34994 in Martin County. The practice phone is (772) 287-5200.

Source: Dmand AI Affiliation Data

Dr. Crystal Del Mar Ayala Castillo is affiliated with 3 sites of care and 2 medical groups

Dr. Ayala Castillo's primary practice is Cleveland Clinic Martin North Hospital in Stuart, Florida, part of The Cleveland Clinic Foundation. Dr. Ayala Castillo is also affiliated with HCA Florida Lawnwood Hospital. The medical group on file is Cleveland Clinic. Dmand AI also links Dr. Ayala Castillo to 1 more hospital and 1 medical group, each named with a free account. Dr. Ayala Castillo's employer is on file too: a hospital.

See all 5 affiliations for Dr. Ayala Castillo

Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data

Dmand AI tracks the EHR system at Dr. Crystal Del Mar Ayala Castillo's practice

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Ayala Castillo practices, 3 sites in all. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
Cleveland Clinic Martin North HospitalAvailable with a free account
+2 more sites and 1 medical groupAvailable with a free account

Source: Dmand AI Technology Install Data

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Dr. Crystal Del Mar Ayala Castillo is one of 9,009 internists in Florida

Internal medicine is Dr. Ayala Castillo's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dr. Ayala Castillo is board certified in internal medicine by the American Board of Internal Medicine. Dr. Ayala Castillo is licensed in Florida.

Specialties and state licenses

  • Internal medicine, FloridaPrimaryLicense ME155186 · 2022 to 2026 · taxonomy 207R00000X

Clinical focus

Dmand AI lists acute respiratory failure, anemia, cardiac arrhythmia, cellulitis, chest pain, chronic anemia, chronic respiratory failure and circulation problems among the conditions Dr. Ayala Castillo treats.

Internists near Dr. Ayala Castillo

Counts of internists with a Dmand AI profile, by place and practice. Each opens the list.

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks

Dr. Crystal Del Mar Ayala Castillo billed Medicare for 1,223 services in 2024

CMS data shows 1,223 Medicare services from Dr. Ayala Castillo across 8 procedure codes in 2024, for 428 Medicare patients. Medicare paid $111,124 for them. Every service was in a facility, such as a hospital, rather than an office.

Medicare services, 20241,223
Medicare patients428
Paid by Medicare$111,124
Procedure codes8

Dr. Ayala Castillo's Medicare services by type, 2023 to 2024

  • 2023
  • 2024
Office and hospital visits
2023: 9962024: 1,21222%
Other services
2023: 02024: 11

Dr. Ayala Castillo compared with the Florida median for internists, 2024

  • Dr. Ayala Castillo
  • Florida median
Medicare services
1,223vs 5552.2 times
Medicare patients
428vs 21599% above
Part D claims
234vs 46650% below

Medians across 8,488 internists in Florida with Dmand AI profiles that report each measure.

Dr. Ayala Castillo's most billed Medicare procedure codes, 2024

CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.

See all procedures by Dr. Ayala Castillo

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Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Ayala Castillo and other internists in Florida.

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Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks

Dr. Crystal Del Mar Ayala Castillo treated 428 Medicare patients in 2024, average age 81

CMS counts 428 Medicare patients who saw Dr. Ayala Castillo in 2024. The largest group is 75 to 84, with 167 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 10% are also on Medicaid. Their average risk score is 2.02, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.

Across all payers, Dmand AI patient panel data puts Dr. Ayala Castillo's median patient age at 72, with 52% women.

Medicare patients, 2024428
Average age81
Average risk score2.02
Also on Medicaid10%

Dr. Ayala Castillo's Medicare patients by age, 2024

Dr. Ayala Castillo's Medicare patients by sex, 2024

  • Women23154%
  • Men19746%

Chronic conditions among Dr. Ayala Castillo's Medicare patients, 2024

  1. High blood pressure75%
  2. High cholesterol75%
  3. Arthritis71%
  4. Ischemic heart disease55%
  5. Chronic kidney disease49%
  6. Mood disorders46%
  7. Anxiety45%
  8. Depression43%

Share of Medicare patients with each condition. A patient can have several.

Dr. Ayala Castillo's patients across all payers

Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.

Patient panel by age, all payers

Median age 72

Patient panel by sex, all payers

  • Women52%
  • Men47%

Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data

Dr. Crystal Del Mar Ayala Castillo wrote 542 Medicare Part D claims in 2024

In 2024, Dr. Ayala Castillo wrote 542 Medicare Part D claims for 228 patients. 85% of them were for generic drugs. CMS names the drug for 234 of them, across 13 drugs with 11 or more claims each, at $12,169 in total drug cost. In 2023, CMS named 136 claims across 8 drugs.

Part D claims, 2024542
Drugs named by CMS13
Total drug cost$12,169
Part D patients228

Dr. Ayala Castillo's Part D claims by kind of drug, 2024

  • Generic460 claims85%
  • Brand-name and other82 claims15%

Dr. Ayala Castillo's most prescribed drugs by claims, 2024

CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.

Drug classes CMS tracks in Dr. Ayala Castillo's Part D claims, 2024

  • Opioids7%36 of 542 claims
  • Antibiotics22%121 of 542 claims

Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.

Part D claims for drugs CMS names, 2023 to 2024

  • 2023
  • 2024
Claims for drugs CMS names
2023: 1362024: 23472%

Drugs named by CMS: 13 in 2024, 8 in 2023.

See all prescribing by Dr. Ayala Castillo

Sources: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026; and Medicare Part D Prescribers - by Provider (CMS), 2024 data

Dr. Crystal Del Mar Ayala Castillo scored 92 out of 100 in Medicare's MIPS program for 2024

CMS publishes a Merit-based Incentive Payment System (MIPS) score of 92 out of 100 for Dr. Ayala Castillo for performance year 2024, reported through an alternative payment model (APM). Dr. Ayala Castillo accepts Medicare assignment, so Medicare's approved amount is taken as full payment.

Accepts Medicare assignment
Yes

Dr. Ayala Castillo's MIPS scores, performance year 2024

  • 92of 100Final score
  • 80.2of 100Quality
  • 99of 100Promoting Interoperability
  • 40of 100Improvement Activities

Each score is out of 100. The final score weighs the categories CMS scored for this clinician.

Sources: Doctors and Clinicians National Downloadable File (CMS); and Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026

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Dr. Crystal Del Mar Ayala Castillo received $372 in industry payments from 2022 to 2024

CMS Open Payments shows 14 general payments to Dr. Ayala Castillo from 3 drug and device companies from 2022 to 2024. Food and beverage make up the largest share, 100% of the total. Janssen Pharmaceuticals, Inc paid the most, $297.

General payments to Dr. Ayala Castillo by program year, 2022 to 2024

Companies that paid Dr. Ayala Castillo the most, 2022 to 2024

Share is of all general payments to this clinician.

See all payments to Dr. Ayala Castillo

Source: Open Payments (CMS), 2025 data, released July 7, 2026

Dr. Crystal Del Mar Ayala Castillo has 1 award and honors on record

Dmand AI lists 1 award for Dr. Ayala Castillo, most recently Resident of the Year in 2021.

Awards and honors for Dr. Ayala Castillo

  1. 2021
    • Resident of the Year

Dr. Ayala Castillo's committees and leadership roles

Research committeeChair
2021 to 2022

Source: Dmand AI Professional Profile Data

Dr. Crystal Del Mar Ayala Castillo graduated from University of Medicine & Health Sciences St. Kitts

Dr. Ayala Castillo graduated from University of Medicine & Health Sciences St. Kitts in 2019.

  1. Medical schoolUniversity of Medicine & Health Sciences St. Kitts
  2. Board certified in internal medicineAmerican Board of Internal Medicine

Source: Dmand AI Professional Profile Data

Dr. Crystal Del Mar Ayala Castillo accepts plans from 11 insurance carriers

Dr. Ayala Castillo is in network with 11 carriers, including Elevance, Excellus BlueCross BlueShield and Aetna. Medicare plans come from the most carriers, 8. Check the plan with the practice before a visit.

  • Elevance
  • Excellus BlueCross BlueShield
  • Aetna
  • Blue Cross Blue Shield of Michigan
  • Blue Cross Blue Shield of Massachusetts
  • HCSC
  • Regence Health Plans
  • United Healthcare
  • +3 more carriersWith a free account

Plan types Dr. Ayala Castillo accepts, by number of carriers

  1. Medicare8
  2. PPO8
  3. HMO6
  4. POS5
  5. EPO2

Source: Dmand AI Insurance Network Data

Sources for Dr. Crystal Del Mar Ayala Castillo's profile data

Sources for the data on this page
Data on this pageSource
NPI, name, sex, specialty and licensesNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data
Practice locations and phoneDmand AI Affiliation Data
Primary practice, affiliations and health systemDmand AI Affiliation DataDmand AI Org Hierarchy Data
Medicare services and procedure codesMedicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab)
State medians for the same specialtyDmand AI Peer Benchmarks
Medicare patients and the all-payer patient panelDmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab)
Part D prescribingMedicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab)Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab)
MIPS scores, telehealth, assignment and procedure percentilesDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Clinician Public Reporting: Overall MIPS Performance (CMS) (opens in a new tab)
Industry paymentsOpen Payments (CMS) (opens in a new tab)
Awards and committee rolesDmand AI Professional Profile Data
Training, board certification and membershipsDmand AI Professional Profile Data
Insurance carriers and plan typesDmand AI Insurance Network Data
EHR at each practice siteDmand AI Technology Install Data
Similar physiciansDmand AI Affiliation Data

Data last refreshed October 2026Report an inaccuracyRemove my information

FAQ

Frequently asked questions about Dr. Crystal Del Mar Ayala Castillo

Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.

What is Dr. Crystal Del Mar Ayala Castillo's NPI number?

Dr. Crystal Del Mar Ayala Castillo's NPI number is 1750847588. It was assigned on February 18, 2019, and it is active in the NPI Registry.

What kind of doctor is Dr. Crystal Del Mar Ayala Castillo?

Dr. Crystal Del Mar Ayala Castillo is an internist in Stuart, Florida. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).

Where does Dr. Crystal Del Mar Ayala Castillo practice?

Dr. Ayala Castillo practices at 200 SE Hospital Ave, Stuart, FL 34994. Dr. Ayala Castillo's primary practice is Cleveland Clinic Martin North Hospital in Stuart, Florida, part of The Cleveland Clinic Foundation. Dmand AI also links Dr. Ayala Castillo to 1 hospital and 1 medical group.

What is Dr. Crystal Del Mar Ayala Castillo's office phone number?

The practice phone on file for Dr. Ayala Castillo is (772) 287-5200.

What is Dr. Crystal Del Mar Ayala Castillo's medical license number?

Dr. Ayala Castillo holds Florida license ME155186.

Which hospitals is Dr. Crystal Del Mar Ayala Castillo affiliated with?

Dr. Ayala Castillo practices at Cleveland Clinic Martin North Hospital in Stuart, Florida. Dr. Ayala Castillo is also affiliated with HCA Florida Lawnwood Hospital. Dmand AI links Dr. Ayala Castillo to 1 more hospital.

What medical group is Dr. Crystal Del Mar Ayala Castillo part of?

Dr. Ayala Castillo is linked to Cleveland Clinic. Dmand AI links Dr. Ayala Castillo to 1 more medical group.

Does Dr. Crystal Del Mar Ayala Castillo accept Medicare?

Yes. CMS data shows Dr. Ayala Castillo billed Medicare for 1,223 services in 2024, and Dr. Ayala Castillo accepts Medicare assignment.

What is Dr. Crystal Del Mar Ayala Castillo's MIPS score?

Dr. Ayala Castillo's MIPS final score for performance year 2024 is 92 out of 100, reported through an alternative payment model (APM).

How many Medicare patients does Dr. Crystal Del Mar Ayala Castillo see?

CMS counts 428 Medicare patients who saw Dr. Ayala Castillo in 2024, with an average age of 81.

Show 7 more questionsShow fewer questions

Is Dr. Crystal Del Mar Ayala Castillo board certified?

Yes. Dr. Ayala Castillo is board certified in internal medicine by the American Board of Internal Medicine.

What services does Dr. Crystal Del Mar Ayala Castillo bill to Medicare?

In 2024, Dr. Ayala Castillo's most billed Medicare services were hospital inpatient care (99233), hospital inpatient care (99239) and care management and other visits (99497).

Where did Dr. Crystal Del Mar Ayala Castillo go to medical school?

Dr. Ayala Castillo graduated from University of Medicine & Health Sciences St. Kitts in 2019.

What drugs does Dr. Crystal Del Mar Ayala Castillo prescribe most?

In 2024 Medicare Part D data, Dr. Ayala Castillo's most prescribed drugs by claims were Amoxicillin-Clavulanate Potass, Prednisone and Furosemide.

Has Dr. Crystal Del Mar Ayala Castillo received payments from drug or device companies?

CMS Open Payments shows $372 in general payments to Dr. Ayala Castillo from 3 companies from 2022 to 2024. The largest total came from Janssen Pharmaceuticals, Inc.

How long has Dr. Crystal Del Mar Ayala Castillo been practicing?

Dr. Ayala Castillo graduated from medical school in 2019, 7 years ago.

What insurance does Dr. Crystal Del Mar Ayala Castillo accept?

Dr. Ayala Castillo is in network with 11 carriers, including Elevance, Excellus BlueCross BlueShield and Aetna. Medicare plans come from the most carriers, 8. Check the plan with the practice before a visit.

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