MARGUERITE SLINGLUFF LENGKEEK M.D.
NPI 1043290646
Allergy & Immunology in Virginia Beach, VA

Q: What is Marguerite Lengkeek's NPI number?

The NPI number for Marguerite Lengkeek is 1043290646. It was assigned to this individual provider in the NPPES registry on January 19, 2006. The provider is also known as Marguerite Isabelle Slingluff M.D..

Q: What is Marguerite Lengkeek's specialty?

The primary specialty registered for this NPI is Allergy & Immunology with taxonomy code 207K00000X.

Active since January 19, 2006PECOS EnrolledAccepts Medicare Assignment

70.76/100

CMS Quality Rating

1704 SIR WILLIAM OSLER DR, VIRGINIA BEACH, VA 23454(202) 680-4106 Get Directions Write a Review

NPPES record last updated: October 20, 2016. Verified against the NPPES registry weekly; last sync: November 01, 2026.

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About Marguerite Slingluff Lengkeek M.d. NPPES

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

MARGUERITE SLINGLUFF LENGKEEK M.D. (NPI 1043290646) is an individual allergy & immunology provider in Virginia Beach, Virginia, licensed in Virginia (0101230854) and active in the NPI registry since January 2006. She is enrolled in Medicare PECOS, is affiliated with Sentara Norfolk General Hospital, and is a graduate of Eastern Virginia Medical School (1999).

NPPES Registry Identity

NPI1043290646

Entity TypeIndividualFemale

Primary Taxonomy207K00000X

Provider Legal NameMARGUERITE SLINGLUFF LENGKEEKCredential: M.D.

Location Address1704 SIR WILLIAM OSLER DRVirginia Beach, VA 23454-3003

Mailing Address1704 Sir William Osler DrVirginia Beach, VA 23454-3003 · (757) 481-4383 · Fax (757) 481-4611

Phone(202) 680-4106

Sole ProprietorYes

Medical School CMSEastern Virginia Medical SchoolGraduated 1999

Enumeration DateJanuary 19, 2006

Last NPPES UpdateOctober 20, 2016

✔ NPI 1043290646 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyAllergy & ImmunologyAllopathic & Osteopathic Physicians

Taxonomy Code207K00000X

Licenses✔ Licensed in VA · 0101230854✔ Licensed in CA · C54738

Definition

An allergist-immunologist is trained in evaluation, physical and laboratory diagnosis, and management of disorders involving the immune system. Selected examples of such conditions include asthma, anaphylaxis, rhinitis, eczema, and adverse reactions to drugs, foods, and insect stings as well as immune deficiency diseases (both acquired and congenital), defects in host defense, and problems related to autoimmune disease, organ transplantation, or malignancies of the immune system.

Also ListedPediatricsTaxonomy 208000000X · License C54738 (CA), 0101230854 (VA)

1704 SIR WILLIAM OSLER DR, Virginia Beach, VA 23454

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Other Names 1

Former Name (1)Marguerite Isabelle Slingluff M.d.

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

Marguerite Slingluff Lengkeek M.d. 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 ID7719126978

PECOS Enrollment IDI20170925001562

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 Reassignment

Medicare enrollment records show Marguerite Lengkeek reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Allergy And Asthma Specialists, Ltd.

Same address

Specialist

1704 SIR WILLIAM OSLER DR
Virginia Beach, VA 23454

Reassigned Medicare billing, Virginia enrollment
5 clinicians in this Medicare group

NPI 1326022880 (757) 481-4383

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 8

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.

Professional service for preparation and provision of 1 or more antigens 95165

This service involves the creation and supply of antigens, substances that stimulate your immune system to fight diseases. These antigens can be used in vaccines or allergy tests to help your body build defenses against specific health threats.

720 services30 patients

Test for allergy using allergenic extract 95004

An allergy test with allergenic extract is a diagnostic method to identify substances causing allergic reactions. Small amounts of common allergens are introduced to your body, usually through skin pricks or blood tests. Your body's response helps determine your allergies.

440 services11 patients

Test for allergy using allergenic extract injected into skin 95024

An allergy skin test involves injecting a small amount of allergenic extract into your skin. This test helps determine if you're allergic to specific substances. If allergic, a small red bump appears at the test site. It's safe and quick.

397 services12 patients

Professional service for multiple injections of allergen 95117

The professional service for multiple injections of allergens involves administering small doses of specific allergens into your body. This is done to help your immune system become less sensitive to them, reducing your allergic reaction over time. It's a safe, effective way to manage allergies.

393 services34 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.

117 services83 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.

41 services38 patients

Hospital Affiliations CMS Care Compare

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

Sentara Norfolk General Hospital

Acute Care Hospitals · Norfolk, VA

3/5 CMS rating

OwnershipVoluntary non-profit - Other

CMS Certification Number490007

Location600 Gresham DrNorfolk, VA 23507 · Norfolk City County

Emergency services Birthing friendly

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.

70.76/100

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

Scored as part of a group practice

Quality

66.49

Improvement Activities

Cost

47.22

Referred Medical Equipment & Supplies CMS DME claims 6

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

Supplies for maintenance of non-insulin drug infusion catheter, per week (list drugs separately) A4221

DME-Other DME · category DE017N

4 suppliers13 claims19 services$18.33 avg. paid by Medicare

Injection, immune globulin (hizentra), 100 mg J1559

Treatment-Injections and Infusions (nononcologic) · category RI008N

1 supplier12 claims2,880 services$9.53 avg. paid by Medicare

Injection, immune globulin, (gammagard liquid), non-lyophilized, (e.g., liquid), 500 mg J1569

Treatment-Injections and Infusions (nononcologic) · category RI008N

1 supplier24 claims1,288 services$35.55 avg. paid by Medicare

Injection, immune globulin/hyaluronidase, (hyqvia), 100 mg immuneglobulin J1575

Treatment-Injections and Infusions (nononcologic) · category RI008N

2 suppliers11 claims2,750 services$12.28 avg. paid by Medicare

Supplies for external non-insulin drug infusion pump, syringe type cartridge, sterile, each K0552

DME-Other DME · category DE000N

4 suppliers38 claims413 services$2.37 avg. paid by Medicare

Pharmacy dispensing fee for inhalation drug(s); per 30 days Q0513

DME-Other DME · category DE000N

2 suppliers14 claims14 services$24.21 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 6

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

ALLERGY AND ASTHMA SPECIALISTS, LTD.

Specialist

1704 SIR WILLIAM OSLER DR
VIRGINIA BEACH, VA 23454

Virginia Beach City (757) 481-4383

LISA DEAFENBAUGH P.A.

Physician Assistant (Medical)

1704 SIR WILLIAM OSLER DR
VIRGINIA BEACH, VA 23454

Virginia Beach City (757) 481-4383

DR. HARVEY D DAVIS MD

Allergy & Immunology

1704 SIR WILLIAM OSLER DR
VIRGINIA BEACH, VA 23454

Virginia Beach City (757) 481-4383

MR. GARY BLAIR MOSS MD

Allergy & Immunology

1704 SIR WILLIAM OSLER DR, SUITE 300
VIRGINIA BEACH, VA 23454

Virginia Beach City (757) 481-4383

MRS. JUNE RAEHL FNP-BC

Nurse Practitioner (Family)

1704 SIR WILLIAM OSLER DR
VIRGINIA BEACH, VA 23454

Virginia Beach City (757) 481-4383

DR. GREGORY GEORGE PENDELL M.D.

Allergy & Immunology

1704 SIR WILLIAM OSLER DR
VIRGINIA BEACH, VA 23454

Virginia Beach City (757) 481-4383

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 Marguerite Lengkeek's NPI number?

The NPI number for Marguerite Lengkeek is 1043290646. It was assigned to this individual provider in the NPPES registry on January 19, 2006. The provider is also known as Marguerite Isabelle Slingluff M.D..

Where is Marguerite Lengkeek located?

Marguerite Lengkeek practices at 1704 Sir William Osler Dr, Virginia Beach, VA 23454. The listed phone number is (202) 680-4106.

What is Marguerite Lengkeek's specialty?

The primary specialty registered for this NPI is Allergy & Immunology with taxonomy code 207K00000X.

Is Marguerite Lengkeek enrolled in Medicare?

Yes. Marguerite Lengkeek 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 organization bills Medicare for Marguerite Lengkeek's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Marguerite Lengkeek reassigns Medicare benefits to Allergy And Asthma Specialists, Ltd. (Virginia Beach, VA). The 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 Marguerite Lengkeek's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

Is Marguerite Lengkeek affiliated with any hospitals?

According to CMS data, Marguerite Lengkeek is affiliated with Sentara Norfolk General Hospital.

When was this NPI record last updated?

The NPPES record for Marguerite Lengkeek was last updated on October 20, 2016. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 10 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.