Aileen Santos-Arroyo, M.D.
NPI 1578821484 · Dermatology Physician · San Juan, PR
Enrolled with Medicare as Practitioner - Dermatology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Aileen Santos-Arroyo, M.D. is a Dermatology Physician provider in San Juan, PR (NPI 1578821484).
Provider details
- NPI number
- 1578821484
- Entity type
- Individual
- Primary specialty
- Dermatology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Female
- Sole proprietor
- Yes
- License
- MD16208 (RI)
Specialties & taxonomies
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
14 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
6 documented practice locations
- Medicare service volume (vs. specialty peers)25% of score
326 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) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 124 | $90 |
| New Patient Office Or Other Outpatient Visit With Low Level of Medical Decision Making, If Using Time, 30 Minutes Or More99203 | 73 | $110 |
| Destruction of Skin Growth, 1-14 Growths17110 | 43 | $112 |
| Destruction of Precancer Skin Growth, 15 Or More Growths17004 | 40 | $164 |
| Biopsy of Related Skin Growth, First Growth11102 | 26 | $98 |
| Destruction of Skin Growth, 15 Or More Growths17111 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 33 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Mometasone Furoate | 717 | 296 |
| Ketoconazole | 644 | 211 |
| Ammonium Lactate | 606 | 272 |
| Triamcinolone Acetonide | 421 | 182 |
| Ciclopirox | 302 | 110 |
| Metronidazole | 222 | 93 |
| Hydrocortisone | 219 | 87 |
| Clobetasol Propionate | 185 | 50 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$240 across 10 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
Additional practice locations (5)
- 1524 Atwood Ave Ste 321Johnston, RI 02919-3228Phone: (401) 239-1800Fax: (401) 239-1801
- 51 Long Wharf MallNewport, RI 02840-2906Phone: (401) 239-1800Fax: (401) 239-1801
- 1525 Wampanoag Trl Ste 203Riverside, RI 02915-1038Phone: (401) 239-1800Fax: (401) 239-1801
- 67 William S Canning BlvdTiverton, RI 02878-3003Phone: (401) 239-1800Fax: (401) 239-1801
- 618 Toll Gate RdWarwick, RI 02886-2717Phone: (401) 239-1800Fax: (401) 239-1801
Registry dates
- Enumerated
- 2012-04-27
- Last updated
- 2018-06-21
Frequently asked questions
- What is Aileen Santos-Arroyo's NPI number?
- Aileen Santos-Arroyo's National Provider Identifier (NPI) is 1578821484, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Aileen Santos-Arroyo's specialty?
- Aileen Santos-Arroyo is listed in the NPPES registry with a primary specialty of Dermatology Physician (Allopathic & Osteopathic Physicians).
- Where is Aileen Santos-Arroyo located?
- Aileen Santos-Arroyo's practice location on file with NPPES is 516b Calle Juan J Jimenez, San Juan, PR 00918.
- What is Aileen Santos-Arroyo's phone number?
- The practice phone number listed in the NPPES registry for Aileen Santos-Arroyo is (787) 751-6018.
- Does Aileen Santos-Arroyo accept Medicare?
- Aileen Santos-Arroyo is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Aileen Santos-Arroyo's NPI active?
- Yes — Aileen Santos-Arroyo's NPI (1578821484) is active in the NPPES registry as of the last update on 2018-06-21.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.