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MRS. MARIA ELOISA PEREZ GRAU MD
NPI 1821065855
Internal Medicine - Hematology & Oncology in San Juan, PR

Active since March 08, 2006PECOS EnrolledAccepts Medicare Assignment
1429 AVE FERNANDEZ JUNCOS, SUITE 4, SAN JUAN, PR 00909(787) 946-4401(787) 946-4490 Get Directions Write a Review

NPPES record last updated: January 15, 2019. Verified against the NPPES registry weekly; last sync: August 09, 2026.

Record update history: Jan 15, 2019, Feb 8, 2017 (2 updates tracked since 2017).

About Mrs. Maria Eloisa Perez Grau Md NPPES

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

MRS. MARIA ELOISA PEREZ GRAU MD (NPI 1821065855) is an individual hematology & oncology provider in San Juan, Puerto Rico, licensed in Puerto Rico (13570) and active in the NPI registry since March 2006. She is enrolled in Medicare PECOS, is affiliated with Doctor's Center De San Juan, and is a graduate of Ponce School Of Medicine (1997).

NPPES Registry Identity

NPI1821065855
Entity TypeIndividualFemale
Primary Taxonomy207RH0003X
Provider Legal NameMRS. MARIA ELOISA PEREZ GRAUCredential: MD
Location Address1429 AVE FERNANDEZ JUNCOS, SUITE 4San Juan, PR 00909-2658
Mailing AddressPo Box 11367San Juan, PR 00910 · (787) 946-4401 · Fax (787) 946-4490
Phone(787) 946-4401
Fax(787) 946-4490
Sole ProprietorYes
Medical School CMSPonce School Of MedicineGraduated 1997
Enumeration DateMarch 8, 2006
Last NPPES UpdateJanuary 15, 20192 updates tracked since enumeration
✔ NPI 1821065855 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal Medicine · Hematology & OncologyAllopathic & Osteopathic Physicians
Taxonomy Code207RH0003X
Licenses✔ Licensed in PR · 13570✔ Licensed in PR · 13270
Definition
An internist doctor of osteopathy that specializes in the treatment of the combination of hematology and oncology disorders. A doctor of osteopathy that is board eligible/certified by the American Osteopathic Board of Internal Medicine WAS able to obtain a Certificate of Special Qualifications in the field of Hematology and Oncology. The Certificate is NO longer offered.

Group Practice 1

Group TaxonomyThis provdier is a business group of one or more individual practitioners, all of who practice with the same area of specialization.193400000X MULTIPLE SINGLE SPECIALTY GROUP

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

Mrs. Maria Eloisa Perez Grau 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 ID2062484439
PECOS Enrollment IDI20040807000034
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

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 moderate level of decision making, if using time, 30 minutes or more 99214
This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.
61 services31 patients

Hospital Affiliations CMS Care Compare 2

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

Doctor's Center De San Juan

Acute Care Hospitals · San Juan, PR
OwnershipProprietary
CMS Certification Number400006
Location1395 Calle San Rafael Parada 20San Juan, PR 00909 · San Juan County
Emergency services

Hospital Pavia Santurce

Acute Care Hospitals · San Juan, PR
OwnershipVoluntary non-profit - Private
CMS Certification Number400019
LocationStreet Profesor Augusto Rodriguez #1462San Juan, PR 00910 · San Juan County
Emergency services

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 00909 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
$172.44 typical visit price
range $56.86 – $172.44
Typical copayment $43.11 (range $14.21 – $43.11)
Most-billed visit code 99205
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.

Medicare Quality Performance CMS QPP · MIPS

Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.

Reported Quality Measures

Preventive Care and Screening: Body Mass Index (BMI) Screening and Follow-Up Plan
Percentage of patients aged 18 years and older with a BMI documented during the current encounter or during the previous twelve months AND with a BMI outside of normal parameters, a follow-up plan is documented during the encounter or during the previous…
100%55 patients5/55-star benchmark: 100%
Preventive Care and Screening: Screening for Depression and Follow-Up Plan
Percentage of patients aged 12 years and older screened for depression on the date of the encounter using an age appropriate standardized depression screening tool AND if positive, a follow-up plan is documented on the date of the positive screen
100%49 patients5/55-star benchmark: 100%
Providers report different measures because they deliver different services; reporting more or less information is not a reflection of quality. Star ratings appear only where CMS assigned them.

Other Providers at the Same Location NPPES 3

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

CARISMA LLC
Personal Emergency Response Attendant
1429 AVE FERNANDEZ JUNCOS
SAN JUAN, PR 00909
San Juan Municipio (787) 722-2371
METRO OPTICAL GROUP INC
Eyewear Supplier
1429 AVE FERNANDEZ JUNCOS
SAN JUAN, PR 00909
San Juan Municipio (787) 487-1305
SAGESSE LLC
Emergency Medicine (Emergency Medical Services)
1429 AVE FERNANDEZ JUNCOS
SAN JUAN, PR 00909
San Juan Municipio (787) 722-2371

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 Maria Perez Grau's NPI number?

The NPI number for Maria Perez Grau is 1821065855. It was assigned to this individual provider in the NPPES registry on March 8, 2006.

Where is Maria Perez Grau located?

Maria Perez Grau practices at 1429 Ave Fernandez Juncos Suite 4, San Juan, PR 00909. The listed phone number is (787) 946-4401.

What is Maria Perez Grau's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Hematology & Oncology, with taxonomy code 207RH0003X.

Is Maria Perez Grau enrolled in Medicare?

Yes. Maria Perez Grau 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 Maria Perez Grau affiliated with any hospitals?

According to CMS data, Maria Perez Grau is affiliated with Doctor's Center De San Juan and Hospital Pavia Santurce.

When was this NPI record last updated?

The NPPES record for Maria Perez Grau was last updated on January 15, 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.