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

NPI Status: Active since March 08, 2006

Contact Information

1429 AVE FERNANDEZ JUNCOS
SUITE 4
SAN JUAN, PR
ZIP 00909
Phone: (787) 946-4401
Fax: (787) 946-4490

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  • Individual
  • Female
  • Internal Medicine
  • Hematology & Oncology
  • PECOS Enrolled
  • Medicare Quality Reporting

About MARIA PEREZ GRAU

This page provides the complete NPI Profile along with additional information for Maria Perez Grau, an internist established in San Juan, Puerto Rico with a medical specialization in Internal Medicine, focusing in hematology & oncology . The healthcare provider is registered in the NPI registry with number 1821065855 assigned on March 2006. The practitioner's primary taxonomy code is 207RH0003X with license number 13570 (PR). The provider is registered as an individual and her NPI record was last updated 7 years ago. The organization operates as a Single Specialty Group with one or more individual practitioners, all of who practice with the same area of specialization.

NPI
1821065855
Provider Name
MRS. MARIA ELOISA PEREZ GRAU MD
Gender
Female
Entity Type
Individual
Location Address
1429 AVE FERNANDEZ JUNCOS SUITE 4 SAN JUAN, PR 00909
Location Phone
(787) 946-4401
Location Fax
(787) 946-4490
Mailing Address
PO BOX 11367 SAN JUAN, PR 00910
Mailing Phone
(787) 946-4401
Mailing Fax
(787) 946-4490
Is Sole Proprietor?
Yes
Enumeration Date
03-08-2006
Last Update Date
01-15-2019
Code Navigator

An internist like Maria Perez Grau is a physician who has completed an internal medicine residency and is board-certified or board-eligible in an internist specialty. Internists are trained to care for adults of all ages for many different medical conditions. An internist typically monitors chronic physical conditions, identifies acute diseases, provides family planning, provides counseling about wellness and disease prevention, etc.

Location Map

Specialty - Primary Taxonomy

The NPI enumerator requires providers to submit at least one taxonomy code. A taxonomy code is a unique 10-character code that describes the healthcare provider type, classification, and the area of specialization. There could be only one primary taxonomy code per NPI record. For individual NPIs the license data is associated to the taxonomy code.

Classification

Internal Medicine Hematology & Oncology

Taxonomy Code
207RH0003X
Type
Allopathic & Osteopathic Physicians
License No.
13570
License State
PR
Taxonomy Description
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.

Secondary Taxonomies

The provider has reported to the NPI enumerator additional taxonomy codes. Multiple taxonomy codes may represent subspecialties or other areas of specialization the provider maybe licensed to practice.

No. Taxonomy Code Type Classification /
Specialization
License No. (State)
1207RH0003XAllopathic & Osteopathic Physicians

Internal Medicine
Hematology & Oncology

13270 (PR)

Group Taxonomy 193400000X MULTIPLE SINGLE SPECIALTY GROUP

This provdier is a business group of one or more individual practitioners, all of who practice with the same area of specialization.

Medicare Participation & PECOS Enrollment Status

Maria Perez Grau is enrolled in PECOS and is eligible to order or refer health care services for Medicare patients. The provider is eligible to order or refer: Part B Clinical Laboratory and Imaging, Durable Medical Equipment (DME), a Home Health Agency (HHA) and Power Mobility Devices.

What is PECOS?
PECOS is the online Medicare enrollment management system or Provider, Enrollment, Chain and Ownership System. The PECOS system is a database of providers who have registered with CMS as providers or suppliers. PECOS is the primary source of information about verified Medicare professionals. Providers that want to participate in this program need to enroll in PECOS with their NPI number to avoid denied claims.

  • Is the provider registered in PECOS? Yes

  • Eligible to Order or Refer Part B Clinical Laboratory and Imaging: Yes

  • Eligible to Order or Refer Durable Medical Equipment (DMEPOS): Yes

  • Eligible to Order or Refer a Home Health Agency (HHA): Yes

  • Eligible to Order or Refer Power Mobility Devices: Yes

Areas of Expertise

The following services and procedures, recently provided to Medicare patients, illustrate the range of care this provider offers. This list reflects the variety of services available to all patients visiting the practice and is based on 2022 Medicare dataset. In general, the more frequently a provider treats specific conditions or performs particular procedures, the more experienced they become in addressing similar patient needs. The provider has delivered many of the services listed below to Medicare patients. Please note that this list does not include services provided to patients who are not covered by Medicare.

Established patient office or other outpatient visit, 30-39 minutes

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.

This service was performed 74 times for 40 patients

New patient office or other outpatient visit, 45-59 minutes

This is a first-time office or outpatient visit lasting between 45-59 minutes. The healthcare provider evaluates your health, discusses your medical history, and may suggest further tests or treatments. It's an opportunity to ask questions and understand your health better.

This service was performed 11 times for 11 patients

Physician Visit Costs

The pricing information below displays the copayment minimum, maximum and average amount that patients under Medicare are charged when visiting this provider as a new or established patient. Please keep in mind that these prices are just for reference purposes, and the actual prices charged by the provider might be different.

For patients covered under private health plans the prices below are also useful as healthcare pricing for private insurance is usually established as a function of Medicare prices. Private insurance covered patients should check their individual plans to determine the exact pricing.

The prices below reflect the costs for new and established patients in the 00909 ZIP code area.

New Patients Visit Costs *

The most utilized procedure code for new patients office visits is 99205

  • Average New Patient Price $172.44
  • Minimum New Patient Price $56.86
  • Maximum New Patient Price $172.44
  • Average New Patient Copayment $43.11
  • Minimum New Patient Copayment $14.21
  • Maximum New Patient Copayment $43.11

Established Patients Visit Costs *

The most utilized procedure code for established patients office visits is 99214

  • Average Established Patient Price $100.24
  • Minimum Established Patient Price $18.24
  • Maximum Established Patient Price $140.44
  • Average Established Patient Copayment $25.06
  • Minimum Established Patient Copayment $4.56
  • Maximum Established Patient Copayment $35.11

* The physician office visit costs information is generated by statistical analysis of similar providers in the same geographical area. The pricing information above IS NOT the amount charged by this provider.

Quality Reporting

The provider participated in CMS Quality Payment Program. The Quality Payment Program aims to improve population health, reduce costs and improve the care received by Medicare beneficiaries. The following quality measures meet Medicare's statistical reporting standards. Not all providers report the same information, because not all providers give the same services to patients. The quality information is just a snapshot of some the care providers give to their patients. Reporting more or less information is not a reflection of quality.

Quality Measure Performance Number of Patients
Preventive Care and Screening: Body Mass Index (BMI) Screening and Follow-Up Plan 100% 55
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 twelve months of the current encounter Normal Parameters: Age 18 years and older BMI >= 18.5 and < 25 kg/m2
Preventive Care and Screening: Screening for Depression and Follow-Up Plan 100% 49
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

Reviews for MRS. MARIA ELOISA PEREZ GRAU MD

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NPI NPI Number Validation

How NPI Validation Works

The NPI validation process uses the ISO-standard Luhn algorithm, a mathematical "handshake", to ensure that a provider's 10-digit ID is authentic and free of common typing errors.

To verify the NPI 1821065855, we treat the final digit (5) as the Check Digit—the target answer we need to reach. The process begins by taking the first nine digits and adding a constant value of 24, which accounts for the "80840" prefix required for all U.S. health identifiers. We then double every other digit starting from the right and sum the individual digits of those results together. For this specific NPI, that total comes to 55. The final step is to find the difference between that total and the next multiple of ten (60 - 55 = 5).

Digit-by-digit view

Use the first nine digits for the calculation. Starting from the right, double every other digit. The last digit is the check digit and is not part of the calculation.

Pos 1
1
Doubled → 2
Pos 2
8
Unchanged
Pos 3
2
Doubled → 4
Pos 4
1
Unchanged
Pos 5
0
Doubled → 0
Pos 6
6
Unchanged
Pos 7
5
Doubled → 10 → 1 + 0
Pos 8
8
Unchanged
Pos 9
5
Doubled → 10 → 1 + 0
Check
5
Target digit
Regular digit Doubled digit Check digit

Step 1: Double every other digit from the right

Starting with the rightmost digit of the first nine digits, double every other value. If doubling creates a two-digit number, add those digits together.

1 → 2 2 → 4 0 → 0 5 → 10 → 1 5 → 10 → 1

Step 2: Add all digits plus the NPI constant

Add the transformed values, the unchanged digits, and the constant 24.

2 + 8 + 4 + 1 + 0 + 6 + 1 + 0 + 8 + 1 + 0 + 24 = 55

Step 3: Find the amount needed to reach the next multiple of 10

The next multiple of ten after 55 is 60. The difference is the calculated check digit.

60 - 55 = 5
This NPI is valid
The calculated check digit is 5, which matches the last digit of 1821065855.

Other Providers at the Same Location


The following 2 providers are registered at the same or a nearby location.

Personal Emergency Response Attendant
1429 AVE FERNANDEZ JUNCOS
SAN JUAN, PR 00909
Emergency Medicine (Emergency Medical Services)
1429 AVE FERNANDEZ JUNCOS
SAN JUAN, PR 00909

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1821065855, enumerated as an "individual" on March 08, 2006.

The provider is located at 1429 AVE FERNANDEZ JUNCOS SUITE 4 SAN JUAN, PR 00909 and the phone number is (787) 946-4401.

Internal Medicine with taxonomy code 207RH0003X and a focus in Hematology & Oncology.