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DR. APRIL MICHELLE LAMBERT-DRWIEGA D.O.
NPI 1518148980
Internal Medicine - Pulmonary Disease in Elizabethton, TN

Active since November 14, 2007PECOS EnrolledAccepts Medicare Assignment
1497 W ELK AVE STE 22B, ELIZABETHTON, TN 37643(423) 547-7380 Get Directions Write a Review

NPPES record last updated: April 9, 2026. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Apr 9, 2026, May 18, 2023, Feb 15, 2017 (3 updates tracked since 2017).

About Dr. April Michelle Lambert-drwiega D.o. NPPES

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

DR. APRIL MICHELLE LAMBERT-DRWIEGA D.O. (NPI 1518148980) is an individual pulmonary disease provider in Elizabethton, Tennessee, licensed in Tennessee (DO1901) and active in the NPI registry since November 2007. She is enrolled in Medicare PECOS, is affiliated with Sycamore Shoals Hospital, and maintains 2 additional practice locations.

NPPES Registry Identity

NPI1518148980
Entity TypeIndividualFemale
Primary Taxonomy207RP1001X
Provider Legal NameDR. APRIL MICHELLE LAMBERT-DRWIEGACredential: D.O.
Location Address1497 W ELK AVE STE 22BElizabethton, TN 37643-2896
Mailing Address1497 W Elk Ave Ste 22bElizabethton, TN 37643-2896 · (423) 547-7380 · Fax (423) 610-3430
Phone(423) 547-7380
Sole ProprietorNo
Medical School CMSWest Virginia School Of Osteopathic MedicineGraduated 2004
Enumeration DateNovember 14, 2007
Last NPPES UpdateApril 9, 20263 updates tracked since enumeration
NPPES CertifiedApril 9, 2026
✔ NPI 1518148980 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 3

★ Primary SpecialtyInternal Medicine · Pulmonary DiseaseAllopathic & Osteopathic Physicians
Taxonomy Code207RP1001X
License✔ Licensed in TN · DO1901
Definition
An internist who treats diseases of the lungs and airways. The pulmonologist diagnoses and treats cancer, pneumonia, pleurisy, asthma, occupational and environmental diseases, bronchitis, sleep disorders, emphysema and other complex disorders of the lungs.
Also ListedInternal MedicineTaxonomy 207R00000X · License DO (TN)
Also ListedInternal Medicine · Critical Care MedicineTaxonomy 207RC0200X · License DO1901 (TN)
1497 W ELK AVE STE 22B, Elizabethton, TN 37643
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Secondary Practice Locations 2

Location 11901 S Shady St Ste 2Mountain City, TN 37683-2021 · Phone (423) 547-7380
Location 2400 N State Of Franklin Rd Rm 2746Johnson City, TN 37604-6035 · Phone (423) 431-2727

Other Identifiers 3

Medicaid1518148980VA
Medicaid1511393TN
Medicaid1518148980NC

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Ambetter from Arkansas Health & Wellness, Ambetter Health, Ambetter of Alabama and more.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

Dr. April Michelle Lambert-drwiega D.o. 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 ID3577628684
PECOS Enrollment IDI20090224000263
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 April Lambert-drwiega reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Blue Ridge Medical Management Corporation
Same address
Family Medicine
1497 WEST ELK AVE, SUITE 21
Elizabethton, TN 37643
  • Reassigned Medicare billing, Tennessee enrollment
  • 496 clinicians in this Medicare group
NPI 1255634564 (423) 542-7420
Pulmonary Associates Of East Tennessee, P.C.
8.1 mi
Pulmonary Disease
310 N STATE OF FRANKLIN RD, SUITE 303
Johnson City, TN 37604
  • Reassigned Medicare billing, Tennessee enrollment
  • 6 clinicians in this Medicare group
NPI 1982640827 (423) 926-8181

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 10

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.
146 services74 patients
Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 99222
Initial hospital inpatient care is a service where a healthcare provider spends about 50 minutes per day overseeing your care while you're admitted in the hospital. This includes reviewing your health status, planning your treatment, and ensuring your safety and comfort.
52 services42 patients
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 99232
Follow-up hospital inpatient care involves daily check-ups while you're admitted in the hospital. Typically, a healthcare provider spends about 25 minutes each day reviewing your condition, adjusting treatment if needed, and answering any questions you might have.
52 services27 patients
Test to examine how well the lungs exchange gases 94729
This is a test called a pulmonary function test, which helps understand the efficiency of your lungs. It measures how much air your lungs can hold, how quickly you can move air in and out of your lungs, and how well your lungs put oxygen into and remove carbon dioxide from your blood.
51 services51 patients
Test to determine lung volumes using sensors 94726
This test, called spirometry, measures lung capacity using sensors. You breathe into a mouthpiece attached to a device that records the amount and rate of air you inhale and exhale. It helps diagnose and monitor lung conditions.
48 services48 patients
Test to measure expiratory airflow and volume changes before and after medication administration 94060
This procedure measures how air flows in and out of your lungs. It's done before and after medication to see if the treatment improves your breathing. It's a simple, non-invasive test that involves breathing into a device called a spirometer.
43 services43 patients

Hospital Affiliations CMS Care Compare 4

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

Sycamore Shoals Hospital

Acute Care Hospitals · Elizabethton, TN
2/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number440018
Location1501 West Elk AvenueElizabethton, TN 37643 · Carter County
Emergency services

Johnson City Medical Center

Acute Care Hospitals · Johnson City, TN
1/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number440063
Location400 N State Of Franklin RdJohnson City, TN 37604 · Washington County
Emergency services Birthing friendly

Franklin Woods Community Hospital

Acute Care Hospitals · Johnson City, TN
4/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number440184
Location300 Med Tech ParkwayJohnson City, TN 37604 · Washington County
Emergency services Birthing friendly

Johnson County Community Hospital

Critical Access Hospitals · Mountain City, TN
OwnershipVoluntary non-profit - Private
CMS Certification Number441304
Location1901 S Shady StMountain City, TN 37683 · Johnson County
Emergency services

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 37643 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
$121.80 typical visit price
range $52.64 – $160.89
Typical copayment $30.45 (range $13.16 – $40.22)
Most-billed visit code 99204
Established Patient
$93.60 typical visit price
range $16.72 – $131.41
Typical copayment $23.40 (range $4.18 – $32.85)
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.

Referred Medical Equipment & Supplies CMS DME claims 15

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

Tubing with integrated heating element for use with positive airway pressure device A4604
DME-Other DME · category DE001N
3 suppliers11 claims11 services$41.99 avg. paid by Medicare
Administration set, with small volume nonfiltered pneumatic nebulizer, disposable A7003
DME-Other DME · category DE000N
2 suppliers37 claims73 services$1.62 avg. paid by Medicare
Full face mask used with positive airway pressure device, each A7030
DME-Other DME · category DE001N
5 suppliers11 claims11 services$91.12 avg. paid by Medicare
Face mask interface, replacement for full face mask, each A7031
DME-Other DME · category DE001N
4 suppliers15 claims42 services$34.73 avg. paid by Medicare
Headgear used with positive airway pressure device A7035
DME-Other DME · category DE001N
9 suppliers12 claims12 services$19.11 avg. paid by Medicare
Tubing used with positive airway pressure device A7037
DME-Other DME · category DE001N
8 suppliers15 claims15 services$16.67 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

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

BLUE RIDGE MEDICAL MANAGEMENT CORPORATION
Internal Medicine (Pulmonary Disease)
1497 W ELK AVE STE 22B
ELIZABETHTON, TN 37643
Carter County (423) 547-5289

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 April Lambert-drwiega's NPI number?

The NPI number for April Lambert-drwiega is 1518148980. It was assigned to this individual provider in the NPPES registry on November 14, 2007.

Where is April Lambert-drwiega located?

April Lambert-drwiega practices at 1497 W Elk Ave Ste 22B, Elizabethton, TN 37643. The listed phone number is (423) 547-7380.

What is April Lambert-drwiega's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Pulmonary Disease, with taxonomy code 207RP1001X.

Is April Lambert-drwiega enrolled in Medicare?

Yes. April Lambert-drwiega 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 April Lambert-drwiega's services?

According to the CMS Revalidation Reassignment List (October 2026 release), April Lambert-drwiega reassigns Medicare benefits to 2 organizations: Blue Ridge Medical Management Corporation (Elizabethton, TN) and Pulmonary Associates Of East Tennessee, P.C. (Johnson City, TN). 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 April Lambert-drwiega's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does April Lambert-drwiega accept?

Health plans from Ambetter Health, Ambetter from Arkansas Health & Wellness, Ambetter of Alabama, Ambetter of North Carolina and Ambetter of Tennessee and 2 other insurers list April Lambert-drwiega 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 April Lambert-drwiega affiliated with any hospitals?

According to CMS data, April Lambert-drwiega is affiliated with Sycamore Shoals Hospital, Johnson City Medical Center, Franklin Woods Community Hospital and Johnson County Community Hospital.

When was this NPI record last updated?

The NPPES record for April Lambert-drwiega was last updated on April 9, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 months 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.