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DR. ORLANDO M LEON SANTIAGO MD
NPI 1659930105
General Practice in Guaynabo, PR

Active since June 09, 2019PECOS EnrolledAccepts Medicare Assignment
C6 CALLE YAGRUMO, GUAYNABO, PR 00969(787) 241-6128 Get Directions Write a Review

NPPES record last updated: July 19, 2019. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Jul 19, 2019, Jun 9, 2019 (2 updates tracked since 2019).

About Dr. Orlando M Leon Santiago Md NPPES

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

DR. ORLANDO M LEON SANTIAGO MD (NPI 1659930105) is an individual general practice provider in Guaynabo, Puerto Rico, licensed in Puerto Rico (21382) and active in the NPI registry since June 2019. He is enrolled in Medicare PECOS, is affiliated with Auxilio Mutuo Hospital, and is a graduate of University Of Puerto Rico School Of Medicine (2014).

NPPES Registry Identity

NPI1659930105
Entity TypeIndividualMale
Primary Taxonomy208D00000X
Provider Legal NameDR. ORLANDO M LEON SANTIAGOCredential: MD
Location AddressC6 CALLE YAGRUMOGuaynabo, PR 00969-6207
Mailing AddressC6 Calle YagrumoGuaynabo, PR 00969-6207 · (787) 241-6128
Phone(787) 241-6128
Sole ProprietorYes
Medical School CMSUniversity Of Puerto Rico School Of MedicineGraduated 2014
Enumeration DateJune 9, 2019
Last NPPES UpdateJuly 19, 20192 updates tracked since enumeration
✔ NPI 1659930105 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyGeneral PracticeAllopathic & Osteopathic Physicians
Taxonomy Code208D00000X
License✔ Licensed in PR · 21382
Definition
A physician who specializes in the general practice of diagnosing, treating, and managing patients with a variety of illnesses and conditions. Source: National Uniform Claim Committee

Other Identifiers 1

Other21382PR · Medical License

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. Orlando M Leon Santiago Md 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 ID4082048327
PECOS Enrollment IDI20191219002650
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 Reassignments

2

Medicare enrollment records show Orlando Leon Santiago reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

ER Specialized Care LLC
Emergency Medical Services
715 AVE PONCE DE LEON
San Juan, PR 00917
  • Reassigned Medicare billing, Puerto Rico enrollment
  • 28 clinicians in this Medicare group
NPI 1144758814 (787) 758-2000
Salud Integral En La Montana, Inc.
Federally Qualified Health Center (FQHC)
116 CALLE BARCELO
Barranquitas, PR 00794
  • Reassigned Medicare billing, Puerto Rico enrollment
  • Also billed through NPI 1487677159 (Puerto Rico)
  • 112 clinicians in this Medicare group
NPI 1316970833 (787) 857-3440

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

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.

Emergency department visit with low level of medical decision making 99283
An emergency department visit for a problem of moderate severity involves immediate medical attention for issues like minor fractures, burns, or high fever. The healthcare team will assess your condition, provide necessary treatment, and may suggest further tests or admission if required.
29 services28 patients

Hospital Affiliations CMS Care Compare

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

Auxilio Mutuo Hospital

Acute Care Hospitals · San Juan, PR
3/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number400016
LocationPonce De Leon Avenue 735 Stop 37 1/2San Juan, PR 00918 · San Juan County
Emergency services

Other Providers at the Same Location NPPES

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

MRS. ZAIDA SANTIAGO VEGA PT
Physical Therapist
C6 CALLE YAGRUMO, COLINAS DE GUAYNABO
GUAYNABO, PR 00969
Guaynabo Municipio (787) 790-2598

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 Orlando Leon Santiago's NPI number?

The NPI number for Orlando Leon Santiago is 1659930105. It was assigned to this individual provider in the NPPES registry on June 9, 2019.

Where is Orlando Leon Santiago located?

Orlando Leon Santiago practices at C6 Calle Yagrumo, Guaynabo, PR 00969. The listed phone number is (787) 241-6128.

What is Orlando Leon Santiago's specialty?

The primary specialty registered for this NPI is General Practice with taxonomy code 208D00000X.

Is Orlando Leon Santiago enrolled in Medicare?

Yes. Orlando Leon Santiago 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 organizations bill Medicare for Orlando Leon Santiago's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Orlando Leon Santiago reassigns Medicare benefits to 2 organizations: ER Specialized Care LLC (San Juan, PR) and Salud Integral En La Montana, Inc. (Barranquitas, PR). Each 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 Orlando Leon Santiago's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

Is Orlando Leon Santiago affiliated with any hospitals?

According to CMS data, Orlando Leon Santiago is affiliated with Auxilio Mutuo Hospital.

When was this NPI record last updated?

The NPPES record for Orlando Leon Santiago was last updated on July 19, 2019. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 7 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.