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MS. GREIRE ILIFF CRNP
NPI 1750820346
Nurse Practitioner - Family in Mobile, AL

Active since February 16, 2017PECOS Enrolled
96.56/100
CMS Quality Rating
2451 UNIVERSITY HOSPITAL DRIVE, MASTIN 101, MOBILE, AL 36617(251) 445-8282(251) 445-8281 Get Directions Write a Review

NPPES record last updated: January 26, 2021. Verified against the NPPES registry weekly; last sync: November 01, 2026.

Record update history: Jan 26, 2021, May 24, 2017, Feb 16, 2017 (3 updates tracked since 2017).

About Ms. Greire Iliff Crnp NPPES

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

MS. GREIRE ILIFF CRNP (NPI 1750820346) is an individual family provider in Mobile, Alabama, licensed in Alabama (1-139592) and active in the NPI registry since February 2017. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1750820346
Entity TypeIndividualFemale
Primary Taxonomy363LF0000X
Provider Legal NameMS. GREIRE ILIFFCredential: CRNP
Location Address2451 UNIVERSITY HOSPITAL DRIVE, MASTIN 101Mobile, AL 36617-2238
Mailing AddressPo Box 40480Mobile, AL 36640-0480 · (251) 445-8282 · Fax (251) 445-8281
Phone(251) 445-8282
Fax(251) 445-8281
Sole ProprietorNo
Enumeration DateFebruary 16, 2017
Last NPPES UpdateJanuary 26, 20213 updates tracked since enumeration
NPPES CertifiedJanuary 26, 2021
✔ NPI 1750820346 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 AL · 1-139592
2451 UNIVERSITY HOSPITAL DRIVE, Mobile, AL 36617
Open in Google Maps ↗

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include UnitedHealthcare.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Ms. Greire Iliff Crnp is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

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

2

Medicare enrollment records show Greire Iliff reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

University Of South Alabama
Same address
Clinical Medical Laboratory
2451 UNIVERSITY HOSPITAL DR
Mobile, AL 36617
  • Reassigned Medicare billing, Alabama enrollment
  • 394 clinicians in this Medicare group
NPI 1497859052 (251) 471-7000
Usa Health Physician Billing Services LLC
Same address
Emergency Medicine
2451 UNIVERSITY HOSPITAL DR
Mobile, AL 36617
  • Reassigned Medicare billing, Alabama enrollment
  • 857 clinicians in this Medicare group
NPI 1285292912 (251) 470-7300

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 36617 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
$81.90 typical visit price
range $52.65 – $161.63
Typical copayment $20.47 (range $13.16 – $40.40)
Most-billed visit code 99203
Established Patient
$93.72 typical visit price
range $16.56 – $131.65
Typical copayment $23.43 (range $4.14 – $32.91)
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.

96.56/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored as part of a group practice
Quality89.76
Promoting Interoperability100
Improvement Activities40

Referred Medical Equipment & Supplies CMS DME claims 11

Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.

Skin barrier; solid, 4 x 4 or equivalent; each A4362
DME-Orthotic Devices · category DF010N
5 suppliers26 claims552 services$2.66 avg. paid by Medicare
Ostomy skin barrier, powder, per oz A4371
DME-Orthotic Devices · category DF010N
4 suppliers17 claims38 services$2.86 avg. paid by Medicare
Ostomy skin barrier, solid 4 x 4 or equivalent, extended wear, without built-in convexity, each A4385
DME-Orthotic Devices · category DF010N
4 suppliers27 claims782 services$4.80 avg. paid by Medicare
Ostomy skin barrier, pectin-based, paste, per ounce A4406
DME-Orthotic Devices · category DF010N
2 suppliers16 claims82 services$5.00 avg. paid by Medicare
Ostomy skin barrier, with flange (solid, flexible, or accordion), extended wear, with built-in convexity, 4 x 4 inches or smaller, each A4407
DME-Orthotic Devices · category DF010N
2 suppliers11 claims410 services$8.48 avg. paid by Medicare
Ostomy skin barrier, with flange (solid, flexible or accordion), extended wear, without built-in convexity, 4 x 4 inches or smaller, each A4409
DME-Orthotic Devices · category DF010N
4 suppliers23 claims565 services$5.63 avg. paid by Medicare
Dollar amounts are the average Medicare paid the supplier per service. They are not the cost to the patient.

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.

PATRICK PARK PATTEN M.D.
Radiology (Vascular & Interventional Radiology)
2451 UNIVERSITY HOSPITAL DRIVE, MASTIN 102
MOBILE, AL 36617
Mobile County (251) 470-5890
HALEY BISHOP
Nurse Practitioner (Adult Health)
2451 UNIVERSITY HOSPITAL DRIVE, MASTIN 101
MOBILE, AL 36617
Mobile County (251) 445-8282
TINSLEY PHILLIPS CHAVERS
Dietitian, Registered
2451 UNIVERSITY HOSPITAL DRIVE, MASTIN 102
MOBILE, AL 36617
Mobile County (251) 470-5890
LAUREN CHYANN GRANTHAM DNP
Nurse Practitioner (Acute Care)
2451 UNIVERSITY HOSPITAL DRIVE, MASTIN 101
MOBILE, AL 36617
Mobile County (251) 445-8282
CANDACE HUFFMASTER CRNP
Nurse Practitioner (Adult Health)
2451 UNIVERSITY HOSPITAL DRIVE, MASTIN 101
MOBILE, AL 36617
Mobile County (251) 445-8282
VICTORIA BOYD PEARMAN
Internal Medicine
2451 UNIVERSITY HOSPITAL DRIVE, MASTIN 212
MOBILE, AL 36617
Mobile County (251) 471-7207
NATHAN MICHAEL POLITE D.O.
Surgery (Trauma Surgery)
2451 UNIVERSITY HOSPITAL DRIVE, MASTIN 101
MOBILE, AL 36617
Mobile County (251) 445-8282
SABRINA G. BESSETTE M.D.
Internal Medicine (Nephrology)
2451 UNIVERSITY HOSPITAL DRIVE, MASTIN 102
MOBILE, AL 36617
Mobile County (251) 470-5890

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 Greire Iliff's NPI number?

The NPI number for Greire Iliff is 1750820346. It was assigned to this individual provider in the NPPES registry on February 16, 2017.

Where is Greire Iliff located?

Greire Iliff practices at 2451 University Hospital Drive Mastin 101, Mobile, AL 36617. The listed phone number is (251) 445-8282.

What is Greire Iliff's specialty?

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

Is Greire Iliff enrolled in Medicare?

Yes. Greire Iliff is registered in the Medicare PECOS enrollment system.

Which organizations bill Medicare for Greire Iliff's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Greire Iliff reassigns Medicare benefits to 2 organizations: University Of South Alabama (Mobile, AL) and Usa Health Physician Billing Services LLC (Mobile, AL). 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 Greire Iliff's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Greire Iliff accept?

Health plans from UnitedHealthcare list Greire Iliff as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

When was this NPI record last updated?

The NPPES record for Greire Iliff was last updated on January 26, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 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.