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MERCEDES E DE CHOUDENS MD
NPI 1477504520
Radiology - Diagnostic Radiology in San Juan, PR

Active since May 13, 2006PECOS EnrolledAccepts Medicare Assignment
1755 CALLE PARANA, URB CROWN HILL, SAN JUAN, PR 00926(787) 764-9493(787) 759-3621 Get Directions Write a Review

NPPES record last updated: July 13, 2026. Verified against the NPPES registry weekly; last sync: November 01, 2026.

About Mercedes E De Choudens Md NPPES

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

MERCEDES E DE CHOUDENS MD (NPI 1477504520) is an individual diagnostic radiology provider in San Juan, Puerto Rico, licensed in Puerto Rico (11282) and active in the NPI registry since May 2006. She is enrolled in Medicare PECOS and is a graduate of University Of Puerto Rico School Of Medicine (1988).

NPPES Registry Identity

NPI1477504520
Entity TypeIndividualFemale
Primary Taxonomy2085R0202X
Provider Legal NameMERCEDES E DE CHOUDENSCredential: MD
Location Address1755 CALLE PARANA, URB CROWN HILLSan Juan, PR 00926-6049
Mailing AddressPhb 249, 130 Winston Churchill Ave Ste 1San Juan, PR 00936-6018 · (787) 764-9493 · Fax (787) 759-3621
Phone(787) 764-9493
Fax(787) 759-3621
Sole ProprietorNo
Medical School CMSUniversity Of Puerto Rico School Of MedicineGraduated 1988
Enumeration DateMay 13, 2006
Last NPPES UpdateJuly 13, 2026
✔ NPI 1477504520 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyRadiology · Diagnostic RadiologyAllopathic & Osteopathic Physicians
Taxonomy Code2085R0202X
License✔ Licensed in PR · 11282
Definition
A radiologist who utilizes x-ray, radionuclides, ultrasound and electromagnetic radiation to diagnose and treat disease.

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

Mercedes E De Choudens 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 ID1456346626
PECOS Enrollment IDI20040416001274
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 Mercedes De Choudens reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Insight Management Group Inc
Radiology
PR RD 2, KM. 123.8, BO. CAIMITAL ALTO
Aguadilla, PR 00625
  • Reassigned Medicare billing, Puerto Rico enrollment
  • 31 clinicians in this Medicare group
NPI 1891722989 (787) 256-3222
Ponce Neuroradiological Services, Psc
Diagnostic Neuroimaging
PMB 358 1353 ROAD 19
Guaynabo, PR 00966
  • Reassigned Medicare billing, Puerto Rico enrollment
  • 11 clinicians in this Medicare group
NPI 1437313749 (787) 795-4321

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 2

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.

Complete ultrasound scan of 1 breast 76641
A complete ultrasound scan of one breast is a non-invasive imaging test that uses sound waves to create detailed images of the inside of your breast. It helps in detecting any abnormalities or changes, ensuring your breast health.
17 services17 patients
Screening mammography 77067
Screening mammography is a preventative measure that uses low-dose X-rays to take images of the chest area. It's a key tool in early detection of abnormalities, helping to identify issues before they become symptomatic. It is recommended annually for certain age groups.
16 services16 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 00926 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.

Other Providers at the Same Location NPPES 4

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

EL SENORIAL CENTRO DE IMAGENES, LLC
Specialist
1755 CALLE PARANA
RIO PIEDRAS, PR 00926
San Juan Municipio (787) 764-9493
DR. MARIA M SILVA-COLL M.D.
Radiology (Diagnostic Radiology)
1755 CALLE PARANA, URB. CROWN HILL
SAN JUAN, PR 00926
San Juan Municipio (787) 764-3642
EL SENORIAL CENTRO DE IMAGENES
Clinic/Center (Radiology, Mammography)
1755 CALLE PARANA, URB. CROWN HILL
SAN JUAN, PR 00926
San Juan Municipio (787) 764-9493
EL SENORIAL CENTRO DE IMAGENES
Clinic/Center (Radiology)
1755 CALLE PARANA
SAN JUAN, PR 00926
San Juan Municipio (787) 764-9493

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 Mercedes De Choudens's NPI number?

The NPI number for Mercedes De Choudens is 1477504520. It was assigned to this individual provider in the NPPES registry on May 13, 2006.

Where is Mercedes De Choudens located?

Mercedes De Choudens practices at 1755 Calle Parana Urb Crown Hill, San Juan, PR 00926. The listed phone number is (787) 764-9493.

What is Mercedes De Choudens's specialty?

The primary specialty registered for this NPI is Radiology, specializing in Diagnostic Radiology, with taxonomy code 2085R0202X.

Is Mercedes De Choudens enrolled in Medicare?

Yes. Mercedes De Choudens 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 Mercedes De Choudens's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Mercedes De Choudens reassigns Medicare benefits to 2 organizations: Insight Management Group Inc (Aguadilla, PR) and Ponce Neuroradiological Services, Psc (Guaynabo, 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 Mercedes De Choudens'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 Mercedes De Choudens 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 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.