Crystal Del Mar Ayala Castillo, MD
Internal Medicine Physician · Fort Pierce, FL
Crystal Del Mar Ayala Castillo, MD is an internal medicine physician with a practice address in Fort Pierce, Florida, and NPI 1750847588, issued on Feb 18, 2019. Check the license (Florida ME155186, as entered in NPPES) on the Florida health license search; the Medicare figures below come from public CMS files.
- Name
- Crystal Del Mar Ayala Castillo
- Credential
- MD
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- ME155186 FL
Self-reported in NPPES; status is on the state search - Practice location
- 1700 S 23RD St, Fort Pierce, FL 34950
- Phone
- (772) 461-4000
- Enumerated
- Feb 18, 2019
- Record last updated
- Nov 16, 2023
- Medicare enrollment
- Enrolled (PECOS I20220815002754); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 10,151 in Florida → Look up another NPI →
Also registered at 1700 S 23RD St
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Michael AlvarezPhysician Assistant1003651381
- Kimberly Anyadike, MDStudent in an Organized Health Care Education/Training Program1215875166
Verify Crystal Del Mar Ayala Castillo in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersFlorida health license search
Search for license ME155186Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
83% fewer Medicare Part D claims than the average internal medicine physician in 2024
542 Medicare Part D claims for 228 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. 36 claims were for opioids.
Most prescribed
- Amoxicillin-Clavulanate Potass33 claims
- Prednisone28 claims
- Furosemide23 claims
- Doxycycline Hyclate22 claims
- Eliquis16 claims
- Gabapentin16 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
The MIPS final score for 2023 (Medicare payment program): 89.9 of 100
The Merit-based Incentive Payment System score is reported for this clinician. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $321.37
11 payments; by number, the most common kind was food and beverage; the largest payer was Janssen Pharmaceuticals, Inc. The 50,334 providers of this specialty with any payment received $1,303.06 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through one group practice
- Martin Memorial Medical Center IncStuart, FL
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Crystal Del Mar Ayala Castillo among 10,151 internal medicine physician records in Florida
Crystal Del Mar Ayala Castillo, MD is one of 10,151 internal medicine physician records with a practice address in Florida. 84% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2019, is newer than 82% of them.
- NPI issued2019 · 82% of these records are older, 14% newer
- In a Medicare fileYes · 84% of these records are
- In the CMS Doctors and Clinicians fileYes · 65% of these records are
- Graduated2019 · median 2004 among the 6,606 with a school on file
- Record last updated2023 · 48% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a Florida practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
38 internal medicine physician records list a practice address in Fort Pierce
They are 38 of the 1,667 NPPES records with a practice address in Fort Pierce, and 10,151 internal medicine physician records in Florida.
All 10,151 in Florida → Every provider in Fort Pierce → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Raheel Ahmed, MDFort Pierce, FL 349501629047816
- Margaret Altman, M.D.Fort Pierce, FL 349501265485171
- Ian Boykin, MDFort Pierce, FL 349501891772596
- Daily Hernandez Falcon, MDFort Pierce, FL 349501477901528
- William Hood, M.D.Fort Pierce, FL 349501215951082
- Raymond Larocque, M.DFort Pierce, FL 349501982081683
- Margaret Lott, M.D.Fort Pierce, FL 349501356735393
- Margaret Mgbemena, MDForte Pierce, FL 349501053744771
Common questions
What is Crystal Del Mar Ayala Castillo, MD's NPI number?
Crystal Del Mar Ayala Castillo, MD's National Provider Identifier (NPI) is 1750847588, issued on Feb 18, 2019. An NPI identifies a provider in billing; it is not a license.
Where is Crystal Del Mar Ayala Castillo, MD located?
The NPPES record lists a practice address at 1700 S 23RD St, Fort Pierce, FL, 34950. Phone: (772) 461-4000. Providers update this record themselves, so call before visiting.
How can I verify Crystal Del Mar Ayala Castillo, MD's license?
NPPES lists Florida license number ME155186, as entered by the provider. Search the Florida health license search at https://mqa-internet.doh.state.fl.us/mqasearchservices/healthcareproviders. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Crystal Del Mar Ayala Castillo, MD prescribe under Medicare Part D?
In 2024, Crystal Del Mar Ayala Castillo, MD had 542 Medicare Part D claims for 228 beneficiaries; the average among internal medicine physician prescribers was 3,176. Part D covers Medicare prescriptions only.
What is Crystal Del Mar Ayala Castillo, MD's MIPS final score?
The 2023 MIPS final score is 89.9 of 100. The average among 454,083 clinicians with a measured score was 83.5.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.