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

MS. JANNEN LEE PALLAS CRNA
NPI 1548683733
Nurse Anesthetist, Certified Registered in Fairfax, VA

Active since January 24, 2014Accepts Medicare Assignment
3600 JOSEPH SIEWICK DR, FAIRFAX, VA 22033(703) 293-9590 Get Directions Write a Review

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

Record update history: Sep 24, 2026, Jul 16, 2024, Feb 23, 2018 (3 updates tracked since 2018).

About Ms. Jannen Lee Pallas Crna NPPES

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

MS. JANNEN LEE PALLAS CRNA (NPI 1548683733) is an individual nurse anesthetist, certified registered in Fairfax, Virginia, licensed in Virginia (0024171455) and active in the NPI registry since January 2014. She is affiliated with Inova Fair Oaks Hospital, maintains a secondary practice location in Arlington, and is a graduate of Other (2013).

NPPES Registry Identity

NPI1548683733
Entity TypeIndividualFemale
Primary Taxonomy367500000X
Provider Legal NameMS. JANNEN LEE PALLASCredential: CRNA
Location Address3600 JOSEPH SIEWICK DRFairfax, VA 22033-1709
Mailing Address68 S Service Rd Ste 350Melville, NY 11747-2358 · (516) 945-3107 · Fax (516) 945-3131
Sole ProprietorNo
Medical School CMSOtherGraduated 2013
Enumeration DateJanuary 24, 2014
Last NPPES UpdateSeptember 24, 20263 updates tracked since enumeration
NPPES CertifiedSeptember 24, 2026
✔ NPI 1548683733 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyNurse Anesthetist, Certified RegisteredPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code367500000X
License✔ Licensed in VA · 0024171455
Definition
(1) A licensed registered nurse with advanced specialty education in anesthesia who, in collaboration with appropriate health care professionals, provides preoperative, intraoperative, and postoperative care to patients and assists in management and resuscitation of critical patients in intensive care, coronary care, and emergency situations. Nurse anesthetists are certified following successful completion of credentials and state licensure review and a national examination directed by the Council on Certification of Nurse Anesthetists. (2) A registered nurse who is qualified by special training to administer anesthesia in collaboration with a physician or dentist and who can assist in the care of patients who are in critical condition.
Also ListedRegistered NurseTaxonomy 163W00000X · License 0001203329 (VA)
3600 JOSEPH SIEWICK DR, Fairfax, VA 22033

Other Names 1

Former Name (1)Jannen Lee Meyer

Secondary Practice Location 1

Location 11005 N Glebe Rd Ste 200Arlington, VA 22201-5792 · Phone (703) 908-0800 · Fax (703) 908-0801

Accepted Insurance

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

Ms. Jannen Lee Pallas Crna 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 ID8921231622
PECOS Enrollment IDI20140505000582, I20140709001526

Medicare Billing Reassignments

4

Medicare enrollment records show Jannen Pallas reassigns Medicare billing to 4 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Anesthesiology
3600 JOSEPH SIEWICK DR
Fairfax, VA 22033
  • Reassigned Medicare billing, District of Columbia and Virginia enrollments
  • 318 clinicians in this Medicare group
Anesthesiology
3300 GALLOWS RD
Falls Church, VA 22042
  • Reassigned Medicare billing, District of Columbia and Virginia enrollments
  • 455 clinicians in this Medicare group
Anesthesiology
8140 CORPORATE DR STE 125
Nottingham, MD 21236
  • Reassigned Medicare billing, District of Columbia enrollment
  • 5 clinicians in this Medicare group
Anesthesiology
1806 SUMMIT AVE STE 300
Richmond, VA 23230
  • Reassigned Medicare billing, District of Columbia and Virginia enrollments
  • 10 clinicians in this Medicare group

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

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.

Anesthesia for placement or revision of blood flow shunt 01844
Anesthesia for blood flow shunt placement or revision ensures comfort during the procedure. It involves medication to numb or induce sleep, preventing pain or discomfort. It's safe, monitored by professionals, and tailored to individual needs.
74 services71 patients

Hospital Affiliations CMS Care Compare

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

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 22033 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
$147.85 typical visit price
range $65.18 – $194.86
Typical copayment $36.96 (range $16.29 – $48.71)
Most-billed visit code 99204
Established Patient
$80.66 typical visit price
range $21.40 – $158.88
Typical copayment $20.16 (range $5.35 – $39.72)
Most-billed visit code 99213
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

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.

Nurse Anesthetist, Certified Registered
3600 JOSEPH SIEWICK DR
FAIRFAX, VA 22033
Registered Nurse
3600 JOSEPH SIEWICK DR
FAIRFAX, VA 22033
Nurse Anesthetist, Certified Registered
3600 JOSEPH SIEWICK DR
FAIRFAX, VA 22033
Physician Assistant
3600 JOSEPH SIEWICK DR
FAIRFAX, VA 22033
Physical Therapist
3600 JOSEPH SIEWICK DR
FAIRFAX, VA 22033
Hospitalist
3600 JOSEPH SIEWICK DR
FAIRFAX, VA 22033
Pathology (Anatomic Pathology & Clinical Pathology)
3600 JOSEPH SIEWICK DR
FAIRFAX, VA 22033
Registered Nurse (Registered Nurse First Assistant)
3600 JOSEPH SIEWICK DR
FAIRFAX, VA 22033

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 Jannen Pallas's NPI number?

The NPI number for Jannen Pallas is 1548683733. It was assigned to this individual provider in the NPPES registry on January 24, 2014. The provider is also known as Jannen Lee Meyer.

Where is Jannen Pallas located?

Jannen Pallas practices at 3600 Joseph Siewick Dr, Fairfax, VA 22033. The listed phone number is (703) 293-9590.

What is Jannen Pallas's specialty?

The primary specialty registered for this NPI is Nurse Anesthetist, Certified Registered with taxonomy code 367500000X.

Is Jannen Pallas enrolled in Medicare?

Yes. Jannen Pallas 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 Jannen Pallas's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Jannen Pallas reassigns Medicare benefits to 4 organizations: Inova Cares - Community (Fairfax, VA), American Anesthesiology Of Virginia PC (Falls Church, VA), Azura Anesthesia Partners LLC (Nottingham, MD) and Virginia Anesthesia Services LLC (Richmond, VA). 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 Jannen Pallas's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Jannen Pallas accept?

Health plans from Oscar Health and Oscar Insurance Company list Jannen Pallas 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.

Is Jannen Pallas affiliated with any hospitals?

According to CMS data, Jannen Pallas is affiliated with Inova Fair Oaks Hospital.

When was this NPI record last updated?

The NPPES record for Jannen Pallas was last updated on September 24, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 29 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.