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DENIS RUIZ-SERRANO MD
NPI 1508835869
Internal Medicine - Cardiovascular Disease in Guaynabo, PR

Active since March 17, 2006PECOS EnrolledAccepts Medicare Assignment
107 GONZALEZ GIUSTI AVE, CAPARRA GALLERY BUILDING SUITE 204, GUAYNABO, PR 00969(787) 782-6334(787) 792-6089 Get Directions Write a Review

NPPES record last updated: October 14, 2011. Verified against the NPPES registry weekly; last sync: October 18, 2026.

About Denis Ruiz-serrano Md NPPES

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

DENIS RUIZ-SERRANO MD (NPI 1508835869) is an individual cardiovascular disease provider in Guaynabo, Puerto Rico, licensed in Puerto Rico (13198) and active in the NPI registry since March 2006. He is enrolled in Medicare PECOS and is a graduate of Ponce School Of Medicine (1994).

NPPES Registry Identity

NPI1508835869
Entity TypeIndividualMale
Primary Taxonomy207RC0000X
Provider Legal NameDENIS RUIZ-SERRANOCredential: MD
Location Address107 GONZALEZ GIUSTI AVE, CAPARRA GALLERY BUILDING SUITE 204Guaynabo, PR 00969
Mailing Address107 Gonzalez Giusti Ave, Caparra Gallery Building Suite 204Guaynabo, PR 00969 · (787) 782-6334 · Fax (787) 792-6089
Phone(787) 782-6334
Fax(787) 792-6089
Sole ProprietorYes
Medical School CMSPonce School Of MedicineGraduated 1994
Enumeration DateMarch 17, 2006
Last NPPES UpdateOctober 14, 2011
✔ NPI 1508835869 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal Medicine · Cardiovascular DiseaseAllopathic & Osteopathic Physicians
Taxonomy Code207RC0000X
License✔ Licensed in PR · 13198
Definition
An internist who specializes in diseases of the heart and blood vessels and manages complex cardiac conditions such as heart attacks and life-threatening, abnormal heartbeat rhythms.
107 GONZALEZ GIUSTI AVE, Guaynabo, PR 00969
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Other Identifiers 1

Medicare UPINH35279

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

Denis Ruiz-serrano 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 ID941113203
PECOS Enrollment IDI20031112000046
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 Denis Ruiz-serrano reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Caparra Cardiology And Electrophisiology Center Psc
18 mi
Cardiovascular Disease
13 SAN JUAN STREET
Rio Grande, PR 00745
  • Reassigned Medicare billing, Puerto Rico enrollment
  • 2 clinicians in this Medicare group
NPI 1780653121 (787) 887-7055

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 4

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.

Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more 99213
This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.
42 services26 patients
Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report 93000
An electrocardiogram (ECG) is a non-invasive test that records your heart's electrical activity. Using 12 leads attached to your body, it captures data to help identify heart conditions. A doctor interprets the results and provides a report.
39 services33 patients
Ultrasound of heart with color-depicted blood flow, rate, direction and valve function 93306
This is a heart ultrasound, also known as an echocardiogram. It uses sound waves to create pictures of your heart, showing how blood flows through it. The color depicts the blood flow's speed and direction. It also checks the heart's valves to ensure they're working properly.
23 services23 patients
New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more 99203
This service involves an initial office or outpatient visit for a new patient. The healthcare professional will spend 30-44 minutes understanding your health history, current issues, and discussing possible treatment plans. It's a comprehensive evaluation to start your healthcare journey.
12 services12 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 00969 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
$130.65 typical visit price
range $56.86 – $172.44
Typical copayment $32.66 (range $14.21 – $43.11)
Most-billed visit code 99204
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 Denis Ruiz-serrano's NPI number?

The NPI number for Denis Ruiz-serrano is 1508835869. It was assigned to this individual provider in the NPPES registry on March 17, 2006.

Where is Denis Ruiz-serrano located?

Denis Ruiz-serrano practices at 107 Gonzalez Giusti Ave Caparra Gallery Building Suite 204, Guaynabo, PR 00969. The listed phone number is (787) 782-6334.

What is Denis Ruiz-serrano's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Cardiovascular Disease, with taxonomy code 207RC0000X.

Is Denis Ruiz-serrano enrolled in Medicare?

Yes. Denis Ruiz-serrano 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 Denis Ruiz-serrano's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Denis Ruiz-serrano reassigns Medicare benefits to Caparra Cardiology And Electrophisiology Center Psc (Rio Grande, 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 Denis Ruiz-serrano'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 Denis Ruiz-serrano was last updated on October 14, 2011. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 15 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.