Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

JENNA MARIE DAFFER NP
NPI 1215569942
Nurse Practitioner - Acute Care in Arlington, VA

Q: What is Jenna Daffer's NPI number?

The NPI number for Jenna Daffer is 1215569942. It was assigned to this individual provider in the NPPES registry on February 11, 2020. The provider is also known as Jenna Marie Byorek Np.

Q: What is Jenna Daffer's specialty?

The primary specialty registered for this NPI is Nurse Practitioner, specializing in Acute Care, with taxonomy code 363LA2100X.

Q: When was this NPI record last updated?

The NPPES record for Jenna Daffer was last updated on August 10, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 12 days 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 February 11, 2020PECOS EnrolledAccepts Medicare Assignment

91.96/100

CMS Quality Rating

1100 N GLEBE RD STE 1600, ARLINGTON, VA 22201(571) 350-8400(703) 528-0338 Get Directions Write a Review

NPPES record last updated: August 10, 2026. Verified against the NPPES registry weekly; last sync: August 16, 2026.

Record update history: Aug 10, 2026, Jul 2, 2024, Apr 24, 2024 and 1 more (4 updates tracked since 2020).

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About Jenna Marie Daffer Np NPPES

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

JENNA MARIE DAFFER NP (NPI 1215569942) is an individual acute care provider in Arlington, Virginia, licensed in Virginia (0024186450) and active in the NPI registry since February 2020. She is enrolled in Medicare PECOS, is affiliated with Virginia Hospital Center, and is a graduate of Other (2019).

NPPES Registry Identity

NPI1215569942

Entity TypeIndividualFemale

Primary Taxonomy363LA2100X

Provider Legal NameJENNA MARIE DAFFERCredential: NP

Location Address1100 N GLEBE RD STE 1600Arlington, VA 22201-5798

Mailing Address3040 Williams Dr Ste 100Fairfax, VA 22031-4618

Phone(571) 350-8400

Fax(703) 528-0338

Sole ProprietorNo

Medical School CMSOtherGraduated 2019

Enumeration DateFebruary 11, 2020

Last NPPES UpdateAugust 10, 20264 updates tracked since enumeration

NPPES CertifiedAugust 10, 2026

✔ NPI 1215569942 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyNurse Practitioner · Acute CarePhysician Assistants & Advanced Practice Nursing Providers

Taxonomy Code363LA2100X

Licenses✔ Licensed in VA · 0024186450✔ Licensed in PA · 2019047604

1100 N GLEBE RD STE 1600, Arlington, VA 22201

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Other Names 1

Former Name (1)Jenna Marie Byorek Np

Other Identifiers 3

Medicaid30015880020002VA

Other0870-0092VA · Carefirst Bcbs

Other2384961VA · Cigna

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

Jenna Marie Daffer 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 ID3375974702

PECOS Enrollment IDI20200519000166, I20250107003447

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 2

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.

94 services73 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.

49 services40 patients

Hospital Affiliations CMS Care Compare

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

Virginia Hospital Center

Acute Care Hospitals · Arlington, VA

5/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number490050

Location1701 North George Mason DriveArlington, VA 22205 · Arlington County

Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 22201 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.

91.96/100

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

Scored through an Alternative Payment Model

Quality

81.4

Promoting Interoperability

100

Improvement Activities

Other Providers at the Same Location NPPES 9

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

DR. JOHN M FEIGERT M.D.

Internal Medicine (Hematology & Oncology)