NATALIE M GRIEB FNP
NPI 1356943690
Nurse Practitioner - Family in Fairfax, VA

Q: What is Natalie Grieb's NPI number?

The NPI number for Natalie Grieb is 1356943690. It was assigned to this individual provider in the NPPES registry on November 11, 2020.

Q: What is Natalie Grieb's specialty?

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

Q: When was this NPI record last updated?

The NPPES record for Natalie Grieb was last updated on April 29, 2022. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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.

Active since November 11, 2020PECOS EnrolledAccepts Medicare Assignment

81.28/100

CMS Quality Rating

8081 INNOVATION PARK DR STE 800, FAIRFAX, VA 22031(571) 472-4600(571) 665-6885 Get Directions Write a Review

NPPES record last updated: April 29, 2022. Verified against the NPPES registry weekly; last sync: August 09, 2026.

Record update history: Apr 29, 2022, Nov 25, 2020, Nov 11, 2020 (3 updates tracked since 2020).

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About Natalie M Grieb Fnp NPPES

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

NATALIE M GRIEB FNP (NPI 1356943690) is an individual family provider in Fairfax, Virginia, licensed in Virginia (0024181026) and active in the NPI registry since November 2020. She is enrolled in Medicare PECOS, is affiliated with Inova Loudoun Hospital, and maintains 2 additional practice locations.

NPPES Registry Identity

NPI1356943690

Entity TypeIndividualFemale

Primary Taxonomy363LF0000X

Provider Legal NameNATALIE M GRIEBCredential: FNP

Location Address8081 INNOVATION PARK DR STE 800Fairfax, VA 22031-4867

Mailing AddressPo Box 37174Baltimore, MD 21297-3174 · (571) 423-5699 · Fax (571) 423-5698

Phone(571) 472-4600

Fax(571) 665-6885

Sole ProprietorYes

Medical School CMSOtherGraduated 2021

Enumeration DateNovember 11, 2020

Last NPPES UpdateApril 29, 20223 updates tracked since enumeration

NPPES CertifiedApril 29, 2022

✔ NPI 1356943690 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyNurse Practitioner · FamilyPhysician Assistants & Advanced Practice Nursing Providers

Taxonomy Code363LF0000X

License✔ Licensed in VA · 0024181026

Also ListedRegistered NurseTaxonomy 163W00000X · License 0001254398 (VA)

8081 INNOVATION PARK DR STE 800, Fairfax, VA 22031

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Secondary Practice Locations 2

Location 13300 Gallows RdFalls Church, VA 22042-3307 · Phone (703) 776-3274

Location 23232 Adams CtFairfax, VA 22030-1910 · Phone (860) 539-1551

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

Natalie M Grieb Fnp 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 ID9931586161

PECOS Enrollment IDI20220510000101

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 3

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.

New patient office or other outpatient visit with a high level of medical decision making, if using time, 60 minutes or more 99205

This is a first-time patient visit where a healthcare professional spends 60-74 minutes with you. It involves a comprehensive evaluation, including your medical history and current health condition. They'll also advise on preventive health measures and formulate a treatment plan if needed.

45 services45 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.

42 services39 patients

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.

13 services13 patients

Hospital Affiliations CMS Care Compare 3

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

Inova Loudoun Hospital

Acute Care Hospitals · Leesburg, VA

5/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number490043

Location44045 Riverside ParkwayLeesburg, VA 20176 · Loudoun County

Emergency services Birthing friendly

Inova Fairfax Hospital

Acute Care Hospitals · Falls Church, VA

5/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number490063

Location3300 Gallows RoadFalls Church, VA 22042 · Fairfax County

Emergency services Birthing friendly

Inova Fair Oaks Hospital

Acute Care Hospitals · Fairfax, VA

5/5 CMS rating

OwnershipVoluntary non-profit - Other

CMS Certification Number490101

Location3600 Joseph Siewick DriveFairfax, VA 22033 · Fairfax County

Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 22031 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.

81.28/100

MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program

Scored as part of a group practice

Quality

70.77

Promoting Interoperability

100

Improvement Activities

Cost

66.84

Other Providers at the Same Location NPPES 12

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

DR. KATHERINE MARIE KLEIN M.D.

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