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ALFREDO DANIEL COLON-MARRERO
NPI 1710539150
Internal Medicine - Sleep Medicine in Loma Linda, CA

Active since July 16, 2019PECOS Enrolled
11234 ANDERSON ST, LOMA LINDA, CA 92350(909) 558-6472 Get Directions Write a Review

NPPES record last updated: July 24, 2026. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Jul 24, 2026, Jun 13, 2025, Jul 13, 2021 and 2 more (5 updates tracked since 2019).

About Alfredo Daniel Colon-marrero NPPES

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

ALFREDO DANIEL COLON-MARRERO (NPI 1710539150) is an individual sleep medicine provider in Loma Linda, California, licensed in California (A209097) and active in the NPI registry since July 2019. He is enrolled in Medicare PECOS and is a graduate of Other (2021).

NPPES Registry Identity

NPI1710539150
Entity TypeIndividualMale
Primary Taxonomy207RS0012X
Provider Legal NameALFREDO DANIEL COLON-MARRERO
Location Address11234 ANDERSON STLoma Linda, CA 92350-1716
Mailing Address11234 Anderson St # Mc1516Loma Linda, CA 92350-1716 · (909) 558-6472
Phone(909) 558-6472
Sole ProprietorYes
Medical School CMSOtherGraduated 2021
Enumeration DateJuly 16, 2019
Last NPPES UpdateJuly 24, 20265 updates tracked since enumeration
NPPES CertifiedJuly 24, 2026
✔ NPI 1710539150 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 3

★ Primary SpecialtyInternal Medicine · Sleep MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207RS0012X
Licenses✔ Licensed in CA · A209097✔ Licensed in MA · 288871
Definition
An Internist who practices Sleep Medicine is certified in the subspecialty of sleep medicine and specializes in the clinical assessment, physiologic testing, diagnosis, management and prevention of sleep and circadian rhythm disorders. Sleep specialists treat patients of any age and use multidisciplinary approaches. Disorders managed by sleep specialists include, but are not limited to, sleep related breathing disorders, insomnia, hypersomnias, circadian rhythm sleep disorders, parasomnias and sleep related movement disorders.
Also ListedPediatrics · Sleep MedicineTaxonomy 2080S0012X · License A209097 (CA)
Also ListedStudent in an Organized Health Care Education/Training ProgramTaxonomy 390200000X
11234 ANDERSON ST, Loma Linda, CA 92350
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Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Alfredo Daniel Colon-marrero is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

PECOS PAC ID6002210630
PECOS Enrollment IDI20260812002106
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.

Medicare Billing Reassignment

Medicare enrollment records show Alfredo Colon-marrero reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Faculty Physicians And Surgeons Of Llusm
Same address
Pediatrics
11234 ANDERSON ST
Loma Linda, CA 92350
  • Reassigned Medicare billing, California enrollment
  • 2,584 clinicians in this Medicare group
NPI 1477503407 (909) 558-4000

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 92350 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
$136.04 typical visit price
range $59.60 – $179.42
Typical copayment $34.01 (range $14.90 – $44.85)
Most-billed visit code 99204
Established Patient
$104.64 typical visit price
range $19.37 – $146.42
Typical copayment $26.16 (range $4.84 – $36.60)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

DR. THUCAN TIMOTHY BUI DO
Emergency Medicine
11234 ANDERSON ST
LOMA LINDA, CA 92350
San Bernardino County (909) 558-4344
VAHE YACOUBIAN MD, MPH
Orthopaedic Surgery
11234 ANDERSON ST
LOMA LINDA, CA 92350
San Bernardino County (818) 813-4234
AISHA Q EALEY APRN, ACCCNS-N
Clinical Nurse Specialist (Neonatal)
11234 ANDERSON ST
LOMA LINDA, CA 92350
San Bernardino County (909) 558-4248
MR. RANDAL KEITH GILMAN PA
Physician Assistant
11234 ANDERSON ST
LOMA LINDA, CA 92350
San Bernardino County (909) 558-4475
AMR AZZAM MD, PHD
Ophthalmology (Retina Specialist)
11234 ANDERSON ST
LOMA LINDA, CA 92350
San Bernardino County (909) 558-2182
DARSH THAKRAR M.D.
Radiology (Diagnostic Radiology)
11234 ANDERSON ST
LOMA LINDA, CA 92350
San Bernardino County (909) 558-4000
HAITHAM SIAG MBBCH
Student in an Organized Health Care Education/Training Program
11234 ANDERSON ST
LOMA LINDA, CA 92350
San Bernardino County (914) 267-6104
PRESTON ANDREW SHIRSAT
Student in an Organized Health Care Education/Training Program
11234 ANDERSON ST
LOMA LINDA, CA 92350
San Bernardino County (909) 558-4074

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 Alfredo Colon-marrero's NPI number?

The NPI number for Alfredo Colon-marrero is 1710539150. It was assigned to this individual provider in the NPPES registry on July 16, 2019.

Where is Alfredo Colon-marrero located?

Alfredo Colon-marrero practices at 11234 Anderson St, Loma Linda, CA 92350. The listed phone number is (909) 558-6472.

What is Alfredo Colon-marrero's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Sleep Medicine, with taxonomy code 207RS0012X.

Is Alfredo Colon-marrero enrolled in Medicare?

Yes. Alfredo Colon-marrero is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Alfredo Colon-marrero's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Alfredo Colon-marrero reassigns Medicare benefits to Faculty Physicians And Surgeons Of Llusm (Loma Linda, CA). 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 Alfredo Colon-marrero'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 Alfredo Colon-marrero was last updated on July 24, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 months 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.