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Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

OSVALDO ALCARAZ DIAZ M.D.
NPI 1801863493
Surgery in Bayamon, PR

Active since March 02, 2006PECOS EnrolledAccepts Medicare Assignment
EDIF. SANTA CRUZ #107B, BAYAMON, PR 00966(787) 785-7336(787) 269-6016 Get Directions Write a Review

NPPES record last updated: July 13, 2026. Verified against the NPPES registry weekly; last sync: August 16, 2026.

About Osvaldo Alcaraz Diaz M.d. NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

OSVALDO ALCARAZ DIAZ M.D. (NPI 1801863493) is an individual surgery provider in Bayamon, Puerto Rico, licensed in Puerto Rico (6544) and active in the NPI registry since March 2006. He is enrolled in Medicare PECOS, is affiliated with Hima San Pablo Bayamon, and is a graduate of University Of Puerto Rico School Of Medicine (1977).

NPPES Registry Identity

NPI1801863493
Entity TypeIndividualMale
Primary Taxonomy208600000X
Provider Legal NameOSVALDO ALCARAZ DIAZCredential: M.D.
Location AddressEDIF. SANTA CRUZ #107BBayamon, PR 00966
Mailing AddressPo Box 361458San Juan, PR 00936-1458 · (787) 647-3864 · Fax (787) 269-6016
Phone(787) 785-7336
Fax(787) 269-6016
Sole ProprietorNo
Medical School CMSUniversity Of Puerto Rico School Of MedicineGraduated 1977
Enumeration DateMarch 2, 2006
Last NPPES UpdateJuly 13, 2026
✔ NPI 1801863493 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtySurgeryAllopathic & Osteopathic Physicians
Taxonomy Code208600000X
License✔ Licensed in PR · 6544
Definition
A general surgeon has expertise related to the diagnosis - preoperative, operative and postoperative management - and management of complications of surgical conditions in the following areas: alimentary tract; abdomen; breast, skin and soft tissue; endocrine system; head and neck surgery; pediatric surgery; surgical critical care; surgical oncology; trauma and burns; and vascular surgery. General surgeons increasingly provide care through the use of minimally invasive and endoscopic techniques. Many general surgeons also possess expertise in transplantation surgery, plastic surgery and cardiothoracic surgery.

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Osvaldo Alcaraz Diaz M.d. is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID8426239948
PECOS Enrollment IDI20110216000841
Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Hospital Affiliations CMS Care Compare

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Hima San Pablo Bayamon

Acute Care Hospitals · Bayamon, PR
1/5 CMS rating
OwnershipProprietary
CMS Certification Number400109
Location70 Calle Santa CruzBayamon, PR 00961 · Bayamon County
Emergency services

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 00966 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$88.07 typical visit price
range $56.86 – $172.44
Typical copayment $22.01 (range $14.21 – $43.11)
Most-billed visit code 99203
Established Patient
$70.88 typical visit price
range $18.24 – $140.44
Typical copayment $17.72 (range $4.56 – $35.11)
Most-billed visit code 99213
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Osvaldo Alcaraz Diaz's NPI number?

The NPI number for Osvaldo Alcaraz Diaz is 1801863493. It was assigned to this individual provider in the NPPES registry on March 2, 2006.

Where is Osvaldo Alcaraz Diaz located?

Osvaldo Alcaraz Diaz practices at Edif. Santa Cruz #107b, Bayamon, PR 00966. The listed phone number is (787) 785-7336.

What is Osvaldo Alcaraz Diaz's specialty?

The primary specialty registered for this NPI is Surgery with taxonomy code 208600000X.

Is Osvaldo Alcaraz Diaz enrolled in Medicare?

Yes. Osvaldo Alcaraz Diaz is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

Is Osvaldo Alcaraz Diaz affiliated with any hospitals?

According to CMS data, Osvaldo Alcaraz Diaz is affiliated with Hima San Pablo Bayamon.

When was this NPI record last updated?

The NPPES record for Osvaldo Alcaraz Diaz was last updated on July 13, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 38 days ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.