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MRS. IRIS IVETTE PEREZ-GREENE NP
NPI 1538212378
Nurse Practitioner - Family in Olney, MD

Active since January 18, 2007PECOS EnrolledAccepts Medicare Assignment
83.42/100
CMS Quality Rating
18109 PRINCE PHILIP DR, SUITE 225, OLNEY, MD 20832(301) 774-5810(301) 774-0188 Get Directions Write a Review

NPPES record last updated: October 24, 2007. Verified against the NPPES registry weekly; last sync: October 18, 2026.

About Mrs. Iris Ivette Perez-greene Np NPPES

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

MRS. IRIS IVETTE PEREZ-GREENE NP (NPI 1538212378) is an individual family provider in Olney, Maryland, licensed in Maryland (R093718) and active in the NPI registry since January 2007. She is enrolled in Medicare PECOS and is a graduate of Other (2004).

NPPES Registry Identity

NPI1538212378
Entity TypeIndividualFemale
Primary Taxonomy363LF0000X
Provider Legal NameMRS. IRIS IVETTE PEREZ-GREENECredential: NP
Location Address18109 PRINCE PHILIP DR, SUITE 225Olney, MD 20832-1519
Mailing Address106 Irving St Nw, Suite 2700nWashington, DC 20010-2927 · (202) 723-5524 · Fax (202) 291-0512
Phone(301) 774-5810
Fax(301) 774-0188
Sole ProprietorNo
Medical School CMSOtherGraduated 2004
Enumeration DateJanuary 18, 2007
Last NPPES UpdateOctober 24, 2007
✔ NPI 1538212378 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyNurse Practitioner · FamilyPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363LF0000X
License✔ Licensed in MD · R093718
18109 PRINCE PHILIP DR, Olney, MD 20832
Open in Google Maps ↗

Other Names 1

Other Name (5)Ms. Iris Ivette Pereze-noiden Np

Other Identifiers 4

Other409629DC · Medicare Group
Other066MQ065MD · Indiv Medicare
Other066MMD · Medicare Group
OtherCD0361MD · Railroad Medicare Group

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

Mrs. Iris Ivette Perez-greene Np 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 ID6204939697
PECOS Enrollment IDI20070305000422
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

3

Medicare enrollment records show Iris Perez-greene reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Cardiology Associates, LLC
Same address
Specialist
18109 PRINCE PHILIP DR, SUITE 225
Olney, MD 20832
  • Reassigned Medicare billing, District of Columbia and Maryland enrollments
  • Also billed through NPI 1972800399 (Maryland)
  • 42 clinicians in this Medicare group
NPI 1689971004 (301) 774-5810
Medstar Heart Institute LLC
16 mi
Surgery
110 IRVING ST NW, ATTN: MEDICAL AFFAIRS
Washington, DC 20010
  • Reassigned Medicare billing, District of Columbia enrollment
  • 277 clinicians in this Medicare group
NPI 1528345378 (202) 877-5284
Medstar Medical Group II LLC
16 mi
Anesthesiology
110 IRVING ST NW
Washington, DC 20010
  • Reassigned Medicare billing, District of Columbia and Maryland enrollments
  • Also billed through NPI 1376887844 (Maryland)
  • 3,530 clinicians in this Medicare group
NPI 1023836137 (703) 558-1403

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 5

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.
460 services367 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.
293 services238 patients
Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more 99212
This is a routine check-up for patients who have previously seen the doctor. During this 10-19 minute visit, the doctor will review your health status, discuss any concerns, and manage ongoing treatments or medications. It's a chance to ensure your health is on track.
36 services29 patients
Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more 99215
This service involves a follow-up appointment for existing patients, lasting between 40 to 54 minutes. During this time, your healthcare provider will assess your current health status, discuss any changes or concerns, review your treatment plan, and answer any questions you may have.
16 services16 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.
13 services13 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 20832 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
$100.31 typical visit price
range $65.18 – $194.86
Typical copayment $25.07 (range $16.29 – $48.71)
Most-billed visit code 99203
Established Patient
$113.72 typical visit price
range $21.40 – $158.88
Typical copayment $28.43 (range $5.35 – $39.72)
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.

83.42/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored as part of a group practice
Quality77.92
Promoting Interoperability100
Improvement Activities40
Cost66.81

Other Providers at the Same Location NPPES 20

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

SHAWN CHONG PA-C
Physician Assistant (Surgical)
18109 PRINCE PHILIP DR, SUITE 300
OLNEY, MD 20832
Montgomery County (301) 570-8554
DR. JOSHUA LOMKE DDS
Dentist
18109 PRINCE PHILIP DR, SUITE 270
OLNEY, MD 20832
Montgomery County (301) 260-0700
MARY PAT P HULTENG PTA
Physical Therapy Assistant
18109 PRINCE PHILIP DR
OLNEY, MD 20832
Montgomery County (301) 540-6140
MERCEDES BRITO PTA
Physical Therapy Assistant
18109 PRINCE PHILIP DR
OLNEY, MD 20832
Montgomery County (301) 540-6140
ANDREA MARIE GERACI NP
Nurse Practitioner (Family)
18109 PRINCE PHILIP DR, SUITE B200
OLNEY, MD 20832
Montgomery County (301) 875-1494
JUSTICE LYNAEE MCFARLAND
Student in an Organized Health Care Education/Training Program
18109 PRINCE PHILIP DR
OLNEY, MD 20832
Montgomery County (240) 559-5350
DR. CARTER WALLACE MITCHELL M.D.
Orthopaedic Surgery (Sports Medicine)
18109 PRINCE PHILIP DR, SUITE 325
OLNEY, MD 20832
Montgomery County (301) 774-8958
MARIA ELENA MARCOS ESPINA P.A.-C
Physician Assistant (Surgical)
18109 PRINCE PHILIP DR, SUITE 300
OLNEY, MD 20832
Montgomery County (301) 570-7203

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 Iris Perez-greene's NPI number?

The NPI number for Iris Perez-greene is 1538212378. It was assigned to this individual provider in the NPPES registry on January 18, 2007. The provider is also known as Ms. Iris Ivette Pereze-Noiden Np.

Where is Iris Perez-greene located?

Iris Perez-greene practices at 18109 Prince Philip Dr Suite 225, Olney, MD 20832. The listed phone number is (301) 774-5810.

What is Iris Perez-greene's specialty?

The primary specialty registered for this NPI is Nurse Practitioner, specializing in Family, with taxonomy code 363LF0000X.

Is Iris Perez-greene enrolled in Medicare?

Yes. Iris Perez-greene 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 Iris Perez-greene's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Iris Perez-greene reassigns Medicare benefits to 3 organizations: Cardiology Associates, LLC (Olney, MD), Medstar Heart Institute LLC (Washington, DC) and Medstar Medical Group II LLC (Washington, DC). 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 Iris Perez-greene'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 Iris Perez-greene was last updated on October 24, 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.