Ma Katrina Dy, M.D.
NPI 1598743601 · Dermatology Physician · Naples, FL
Enrolled with Medicare as Practitioner - Dermatology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Ma Katrina Dy, M.D. is a Dermatology Physician provider in Naples, FL (NPI 1598743601).
Provider details
- NPI number
- 1598743601
- Entity type
- Individual
- Primary specialty
- Dermatology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Female
- Sole proprietor
- No
- License
- 12841 (NH)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
20 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
5,802 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our .
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Destruction of Precancer Skin Growth, 2-14 Growths17003 | 2,532 | $7 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 1,027 | $92 |
| Destruction of Precancer Skin Growth, 1 Growth17000 | 676 | $53 |
| Destruction of Skin Growth, 1-14 Growths17110 | 353 | $111 |
| Biopsy of Related Skin Growth, First Growth11102 | 342 | $92 |
| Established Patient Office Or Other Outpatient Visit With Straightforward Medical Decision Making, If Using Time, 10 Minutes Or More |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 11 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Betamethasone Dipropionate | 184 | 115 |
| Ketoconazole | 114 | 61 |
| Triamcinolone Acetonide | 94 | 69 |
| Metronidazole | 47 | 28 |
| Clindamycin Phosphate | 43 | 23 |
| Clobetasol Propionate | 35 | 15 |
| Hydrocortisone | 31 | 26 |
| Fluorouracil | 27 | 26 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$149 across 7 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-01-09
- Last updated
- 2021-02-17
- Certified
- 2021-02-17
Frequently asked questions
- What is Ma Katrina Dy's NPI number?
- Ma Katrina Dy's National Provider Identifier (NPI) is 1598743601, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Ma Katrina Dy's specialty?
- Ma Katrina Dy is listed in the NPPES registry with a primary specialty of Dermatology Physician (Allopathic & Osteopathic Physicians).
- Where is Ma Katrina Dy located?
- Ma Katrina Dy's practice location on file with NPPES is 261 9th St S, Naples, FL 34102-6258.
- What is Ma Katrina Dy's phone number?
- The practice phone number listed in the NPPES registry for Ma Katrina Dy is (239) 216-4337.
- Does Ma Katrina Dy accept Medicare?
- Ma Katrina Dy is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Ma Katrina Dy's NPI active?
- Yes — Ma Katrina Dy's NPI (1598743601) is active in the NPPES registry as of the last update on 2021-02-17.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.