DR. CARLOS R. ALCALA MARQUEZ M.D.
NPI 1295066124
Internal Medicine - Pulmonary Disease in San Juan, PR
About Dr. Carlos R. Alcala Marquez M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. CARLOS R. ALCALA MARQUEZ M.D. (NPI 1295066124) is an individual pulmonary disease provider in San Juan, Puerto Rico, licensed in Puerto Rico (17780) and active in the NPI registry since January 2010. He is enrolled in Medicare PECOS and is a graduate of University Of Puerto Rico School Of Medicine (2004).
NPPES Registry Identity
Specialties & Licenses
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
Dr. Carlos R. Alcala Marquez 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.
Medicare Billing Reassignment
Medicare enrollment records show Carlos Alcala Marquez reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Bayamon, PR 00959
- Reassigned Medicare billing, Puerto Rico enrollment
- Medicare enrollment name: Instituto De Enfermedades Pulmonares De Pr Csp
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Areas of Expertise CMS Part B claims 5
Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 00918 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Referred Medical Equipment & Supplies CMS DME claims 5
Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.
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 Carlos Alcala Marquez's NPI number?
The NPI number for Carlos Alcala Marquez is 1295066124. It was assigned to this individual provider in the NPPES registry on January 15, 2010.
Where is Carlos Alcala Marquez located?
Carlos Alcala Marquez practices at Ave Arterial Hostos # 239 Capital Center Bldg. Suite 606, San Juan, PR 00918. The listed phone number is (787) 250-1193.
What is Carlos Alcala Marquez's specialty?
The primary specialty registered for this NPI is Internal Medicine, specializing in Pulmonary Disease, with taxonomy code 207RP1001X.
Is Carlos Alcala Marquez enrolled in Medicare?
Yes. Carlos Alcala Marquez 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.
Which organization bills Medicare for Carlos Alcala Marquez's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Carlos Alcala Marquez reassigns Medicare benefits to Instituto De Enfermedades Pulmonares De P.R., C.S.P. (Bayamon, PR). The reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Carlos Alcala Marquez's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
When was this NPI record last updated?
The NPPES record for Carlos Alcala Marquez was last updated on May 11, 2010. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 16 years 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.