Doctor profile · Federal record

Dr. Rafael Zaragoza Urdaz, M.D., PH.D.

Allergy Physician (CMS: Allergy/Immunology) · San Juan, PR

  • NPI 1023166055
  • Accepts Medicare
  • 39 yrs in practice
  • Male
  • Solo practice
  • No sanctions

Practice & contact

Operates at 2 locations .

NPPES Updated May 11, 2026
Primary practice
317 Ave Manuel Domenech
San Juan, PR 009183511
(787) 764-5715
fax (787) 764-3709
Additional location
Carr 493 Km .09 Suite 304, Del Norte Medical & Professional Plaza
Hatillo, PR 00659
(787) 878-2210

Credentials & registration

NPPES · NUCC
NPI registered
January 2007 — 19 yrs on file
Profile last updated
December 10, 2022
Year of graduation
1987 — 39 yrs since
Specialty taxonomy
207KA0200X — NUCC code
State license (1)
Puerto Rico #11589

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1023166055. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
1,642
Distinct HCPCS
6
Medicare allowed
$31,091
HCPCS Description Services Patients Avg allowed
95165 Professional service for preparation and provision of 1 or more antigens 1,036 44 $15
95004 Test for allergy using allergenic extract 278 11 $4
95115 Professional service for single injection of allergen 133 17 $10
95117 Professional service for multiple injections of allergen 86 12 $12
99214 Established patient office or other outpatient visit, 30-39 minutes 83 50 $120
99213 Established patient office or other outpatient visit, 20-29 minutes 26 19 $89

In context: peer comparison

Among 2 peers in this city , average services per provider: 326. This provider delivers 5.0× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$37,394
Transactions
74
Manufacturers
15
Payer (manufacturer) Industry Txns Amount
BioCryst US Sales Co., LLC 28 $14,665.10
Pharming Healthcare, Inc. 8 $12,331.95
Takeda Pharmaceuticals U.S.A., Inc. 19 $9,483.56
JAZZ PHARMACEUTICALS INC. 1 $133.35
Blueprint Medicines Corporation 1 $131.95
ABBVIE INC. 1 $124.95
Lilly USA, LLC 1 $118.71
PFIZER INC. 1 $100.00
AstraZeneca Pharmaceuticals LP 3 $77.24
PBG PUERTO RICO LLC 4 $73.12
GENZYME CORPORATION 3 $61.84
Mylan Specialty L.P. 1 $26.75
Novartis Pharmaceuticals Corporation 1 $25.68
Amgen Inc. 1 $20.00
Genentech USA, Inc. 1 $19.74

By nature of payment

Compensation for services other than consulting, including serving as faculty or as a speaker at a venue other than a continuing education program
$21,815
Consulting Fee
$12,000
Food and Beverage
$2,410
Travel and Lodging
$1,169

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
995
Patients
384
Total drug cost
$2,705,392
Drug Type Claims Patients Total cost
Levocetirizine Dihydrochloride Generic 223 90 $2,425
Methylprednisolone Generic 108 58 $2,017
Azelastine-Fluticasone (Azelastine/Fluticasone) Brand 101 41 $13,593
Montelukast Sodium Generic 94 36 $1,983
Albuterol Sulfate Generic 71 48 $468
Desloratadine Generic 64 17 $1,523
Takhzyro (Lanadelumab-Flyo) Brand 45 0 $1,510,028
Prednisolone Sodium Phosphate Generic 42 31 $1,234
Symbicort (Budesonide/Formoterol Fumarate) Brand 42 14 $16,337
Fluticasone Propionate Generic 41 17 $838

Frequently asked questions

Auto-generated from federal data
What is Dr. Rafael Zaragoza Urdaz's medical specialty?
Dr. Rafael Zaragoza Urdaz practices Allergy Physician in San Juan, PR.
Where does Dr. Rafael Zaragoza Urdaz practice?
Dr. Rafael Zaragoza Urdaz practices at 317 Ave Manuel Domenech, San Juan, PR 009183511. Office phone: 7877645715.
What is Dr. Rafael Zaragoza Urdaz's NPI?
Dr. Rafael Zaragoza Urdaz's National Provider Identifier (NPI) is 1023166055, issued by NPPES.
Does Dr. Rafael Zaragoza Urdaz accept Medicare assignment?
Yes. Dr. Rafael Zaragoza Urdaz accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Rafael Zaragoza Urdaz commonly perform?
Top Medicare-reported procedures in 2023: Professional service for preparation and provision of 1 or more antigens (HCPCS 95165); Test for allergy using allergenic extract (HCPCS 95004); Professional service for single injection of allergen (HCPCS 95115). Source: CMS Medicare Physician & Other Practitioners file.