Rafael Zaragoza Urdaz, M.D., PH.D.
NPI 1023166055 · Allergy Physician · San Juan, PR
Enrolled with Medicare as Practitioner - Allergy/Immunology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Rafael Zaragoza Urdaz, M.D., PH.D. is a Allergy Physician provider in San Juan, PR (NPI 1023166055).
Provider details
- NPI number
- 1023166055
- Entity type
- Individual
- Primary specialty
- Allergy PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D., PH.D.
- Sex
- Male
- Sole proprietor
- Yes
- License
- 11589 (PR)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
19 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
2 documented practice locations
- Medicare service volume (vs. specialty peers)25% of score
2,150 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) |
|---|---|---|
| Test for Allergy Using Allergenic Extract95004 | 1,060 | $4 |
| Professional Service for Preparation and Provision of 1 Or More Antigens95165 | 847 | $14 |
| Professional Service for Single Injection of Allergen95115 | 87 | $10 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 76 | $123 |
| Test for Allergy Using Combination of Methods With Drug Or Biological95018 | 64 | $19 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 16 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 35 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Levocetirizine Dihydrochloride | 236 | 84 |
| Methylprednisolone | 194 | 94 |
| Azelastine/Fluticasonebrand: Azelastine-Fluticasone | 120 | 53 |
| Lanadelumab-Flyobrand: Takhzyro | 74 | — |
| Montelukast Sodium | 67 | 25 |
| Desloratadine | 66 | 17 |
| Albuterol Sulfate | 64 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$37,394 across 74 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 (1)
- Carr 493 Km .09 Suite 304Del Norte Medical & Professional PlazaHatillo, PR 00659Phone: (787) 878-2210Fax: (787) 764-3709
Registry dates
- Enumerated
- 2007-01-08
- Last updated
- 2022-12-10
- Certified
- 2022-12-10
Frequently asked questions
- What is Rafael Zaragoza Urdaz's NPI number?
- Rafael Zaragoza Urdaz's National Provider Identifier (NPI) is 1023166055, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Rafael Zaragoza Urdaz's specialty?
- Rafael Zaragoza Urdaz is listed in the NPPES registry with a primary specialty of Allergy Physician (Allopathic & Osteopathic Physicians).
- Where is Rafael Zaragoza Urdaz located?
- Rafael Zaragoza Urdaz's practice location on file with NPPES is 317 Ave Manuel Domenech, San Juan, PR 00918-3511.
- What is Rafael Zaragoza Urdaz's phone number?
- The practice phone number listed in the NPPES registry for Rafael Zaragoza Urdaz is (787) 764-5715.
- Does Rafael Zaragoza Urdaz accept Medicare?
- Rafael Zaragoza Urdaz is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Rafael Zaragoza Urdaz's NPI active?
- Yes — Rafael Zaragoza Urdaz's NPI (1023166055) is active in the NPPES registry as of the last update on 2022-12-10.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.