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DR. ERNESTO X MARRERO DE GRACIA M.D.
NPI 1295743367
Internal Medicine in Bayamon, PR

Active since August 04, 2006PECOS EnrolledAccepts Medicare Assignment
INSTITUTO SAN PABLO, SUITE 507 CALLE SANTA CRUZ #66, BAYAMON, PR 00961(787) 740-2010(787) 740-8377 Get Directions Write a Review

NPPES record last updated: July 8, 2007. Verified against the NPPES registry weekly; last sync: August 09, 2026.

About Dr. Ernesto X Marrero De Gracia M.d. NPPES

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

DR. ERNESTO X MARRERO DE GRACIA M.D. (NPI 1295743367) is an individual internal medicine provider in Bayamon, Puerto Rico, licensed in Puerto Rico (15171) and active in the NPI registry since August 2006. He is enrolled in Medicare PECOS, is affiliated with Hima San Pablo Bayamon, and is a graduate of Other (2001).

NPPES Registry Identity

NPI1295743367
Entity TypeIndividualMale
Primary Taxonomy207R00000X
Provider Legal NameDR. ERNESTO X MARRERO DE GRACIACredential: M.D.
Location AddressINSTITUTO SAN PABLO, SUITE 507 CALLE SANTA CRUZ #66Bayamon, PR 00961
Mailing AddressC/2 R-11, San SouciBayamon, PR 00957 · (787) 599-1174
Phone(787) 740-2010
Fax(787) 740-8377
Sole ProprietorYes
Medical School CMSOtherGraduated 2001
Enumeration DateAugust 4, 2006
Last NPPES UpdateJuly 8, 2007
✔ NPI 1295743367 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
License✔ Licensed in PR · 15171
Definition
A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.
INSTITUTO SAN PABLO, Bayamon, PR 00961
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Other Names 1

Former Name (1)Dr. Ernesto X Marrero De Gracia M.d.

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Dr. Ernesto X Marrero De Gracia 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.

PECOS PAC ID648274498
PECOS Enrollment IDI20060908000298
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.

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.

Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 99232
Follow-up hospital inpatient care involves daily check-ups while you're admitted in the hospital. Typically, a healthcare provider spends about 25 minutes each day reviewing your condition, adjusting treatment if needed, and answering any questions you might have.
94 services18 patients
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.
72 services27 patients

Hospital Affiliations CMS Care Compare

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

Hima San Pablo Bayamon

Acute Care Hospitals · Bayamon, PR
1/5 CMS rating
OwnershipProprietary
CMS Certification Number400109
Location70 Calle Santa CruzBayamon, PR 00961 · Bayamon County
Emergency services

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 00961 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
$100.24 typical visit price
range $18.24 – $140.44
Typical copayment $25.06 (range $4.56 – $35.11)
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 9

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

DR. JUAN CARLOS PEREZ-SANTIAGO M.D.
Physical Medicine & Rehabilitation
INSTITUTO SAN PABLO, 66 CALLE SANTA CRUZ
BAYAMON, PR 00961
Bayamón Municipio (787) 740-2270
DR. ANGEL WILFREDO HERNANDEZ COLON M.D.
Specialist
INSTITUTO SAN PABLO, #66 SANTA CRUZ ST. STE 501
BAYAMON, PR 00961
Bayamón Municipio (787) 787-1085
DR. JUSTINO BETANCOURT M.D.
Internal Medicine
INSTITUTO SAN PABLO, SUITE 403
BAYAMON, PR 00961
Bayamón Municipio (787) 798-9240
GC PERIODONTICS LLC
Dentist (Periodontics)
INSTITUTO SAN PABLO, CALLE SANTA CRUZ #66 SUITE 103
BAYAMON, PR 00961
Bayamón Municipio (787) 925-1665
CARMEN ACANTILADO M.D.
Specialist
INSTITUTO SAN PABLO, SUITE 410
BAYAMON, PR 00961
Bayamón Municipio (787) 780-5081
DR. MARIA T BOBONIS MD
Psychiatry & Neurology (Child & Adolescent Psychiatry)
INSTITUTO SAN PABLO, SUITE 308
BAYAMON, PR 00961
Bayamón Municipio (787) 780-6237
DR. CARLOS RAFAEL PEREZ SR. MD
Internal Medicine
INSTITUTO SAN PABLO, 66 CALLE STA CRUZ SUITE 304
BAYAMON, PR 00961
Bayamón Municipio (787) 522-0836
DR. JORGE L CORTES-RUIZ M.D.
Internal Medicine (Gastroenterology)
INSTITUTO SAN PABLO, SUITE 502
BAYAMON, PR 00961
Bayamón Municipio (787) 778-0632

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 Ernesto Marrero De Gracia's NPI number?

The NPI number for Ernesto Marrero De Gracia is 1295743367. It was assigned to this individual provider in the NPPES registry on August 4, 2006. The provider is also known as Dr. Ernesto X Marrero De Gracia M.D..

Where is Ernesto Marrero De Gracia located?

Ernesto Marrero De Gracia practices at Instituto San Pablo Suite 507 Calle Santa Cruz #66, Bayamon, PR 00961. The listed phone number is (787) 740-2010.

What is Ernesto Marrero De Gracia's specialty?

The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.

Is Ernesto Marrero De Gracia enrolled in Medicare?

Yes. Ernesto Marrero De Gracia 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.

Is Ernesto Marrero De Gracia affiliated with any hospitals?

According to CMS data, Ernesto Marrero De Gracia is affiliated with Hima San Pablo Bayamon.

When was this NPI record last updated?

The NPPES record for Ernesto Marrero De Gracia was last updated on July 8, 2007. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 19 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.