Ma Katrina Dy, M.D.
Dermatology Physician · Naples, FL
Ma Katrina Dy, M.D. is a dermatology physician with a practice address in Naples, Florida, and NPI 1598743601, issued on Jan 9, 2006. Check the license (Florida ME147373, as entered in NPPES) on the Florida health license search; the Medicare figures below come from public CMS files.
- Name
- Ma Katrina Dy
- Credential
- M.D.
- Primary taxonomy
- Dermatology Physician 207N00000X
- License numbers
- ME147373 FL
236945 MA
45708 MN
12841 NH
Self-reported in NPPES; status is on the state search - Practice location
- 261 9TH St S, Naples, FL 34102
- Phone
- (239) 216-4337
- Enumerated
- Jan 9, 2006
- Record last updated
- Feb 17, 2021 (not updated in 5 years: call before relying on the address or phone)
- Fax
- (239) 261-5594
- Medicare enrollment
- Enrolled (PECOS I20201215000408); accepts Medicare assignment
- Medical or professional school
- George Washington University School Of Medicine, 2002
- Entity
- Type 1 · individual
8 nearest dermatology physician records → All 1,213 in Florida → Look up another NPI →
Also registered at 261 9TH St S
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Aleksandra Florek, M.D.Dermatology Physician1417364670
- Heather Pontasch, M.D.Dermatology Physician1114242674
Verify Ma Katrina Dy in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersFlorida health license search
Search for license ME147373Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
13% fewer Medicare Part D claims than the average dermatology physician in 2024
692 Medicare Part D claims for 343 beneficiaries, against an average of 797 among the 12,802 providers of this specialty who prescribed in Part D. Brand-name drugs were 3% of claims.
Most prescribed
- Betamethasone Dipropionate184 claims
- Ketoconazole114 claims
- Triamcinolone Acetonide94 claims
- Metronidazole47 claims
- Clindamycin Phosphate43 claims
- Clobetasol Propionate35 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.
Industry payments in 2024: $148.75
7 payments; by number, the most common kind was food and beverage; the largest payer was Abbvie Inc. The 10,250 providers of this specialty with any payment received $8,544.61 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
- Aqua Dermatology OF Florida, PANaples, FL
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Ma Katrina Dy among 1,213 dermatology physician records in Florida
Ma Katrina Dy, M.D. is one of 1,213 dermatology physician records with a practice address in Florida. 86% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 14% of them.
- NPI issued2006 · 14% of these records are older, 53% newer
- In a Medicare fileYes · 86% of these records are
- In the CMS Doctors and Clinicians fileYes · 74% of these records are
- Graduated2002 · median 2004 among the 894 with a school on file
- Record last updated2021 · 52% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207N00000X and a Florida practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Dermatology Physician providers in Florida
There are 1,213 dermatology physician records in Florida.
All 1,213 in Florida → Every provider in Naples → Dermatology Physician nationwide →
The 8 dermatology physician records with the nearest ZIP codes
- Joshua Attias, PA-CNaples, FL 341021467124982
- Patrice Case, MDNaples, FL 341021194708834
- Aleksandra Florek, M.D.Naples, FL 341021417364670
- Brandon Kirsch, MDNaples, FL 341021861836389
- Carly Maher, PA-CNaples, FL 341021841833928
- Heather Pontasch, M.D.Naples, FL 341021114242674
- Robert Tomsick, M.D.Naples, FL 341021669582474
- Joel Waltzer, M.D.Naples, FL 341021467416180
Common questions
What is Ma Katrina Dy, M.D.'s NPI number?
Ma Katrina Dy, M.D.'s National Provider Identifier (NPI) is 1598743601, issued on Jan 9, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Ma Katrina Dy, M.D. located?
The NPPES record lists a practice address at 261 9TH St S, Naples, FL, 34102. Phone: (239) 216-4337. Providers update this record themselves, so call before visiting.
How can I verify Ma Katrina Dy, M.D.'s license?
NPPES lists Florida license number ME147373, 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 Ma Katrina Dy, M.D. prescribe under Medicare Part D?
In 2024, Ma Katrina Dy, M.D. had 692 Medicare Part D claims for 343 beneficiaries; the average among dermatology physician prescribers was 797. Part D covers Medicare prescriptions only.
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.