LINNEA MICHELLE LARSON-WILLIAMS M.D.
NPI 1558505800
Pediatrics in Huntsville, AL

Q: What is Linnea Larson-williams's NPI number?

The NPI number for Linnea Larson-williams is 1558505800. It was assigned to this individual provider in the NPPES registry on April 29, 2009.

Q: What is Linnea Larson-williams's specialty?

The primary specialty registered for this NPI is Pediatrics with taxonomy code 208000000X.

Active since April 29, 2009PECOS Enrolled

401 LOWELL DR SE, SUITE 5, HUNTSVILLE, AL 35801(256) 265-1775(256) 265-1780 Get Directions Write a Review

NPPES record last updated: May 4, 2017. Verified against the NPPES registry weekly; last sync: November 08, 2026.

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About Linnea Michelle Larson-williams M.d. NPPES

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

LINNEA MICHELLE LARSON-WILLIAMS M.D. (NPI 1558505800) is an individual pediatrics provider in Huntsville, Alabama, licensed in Alabama (30518) and active in the NPI registry since April 2009. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1558505800

Entity TypeIndividualFemale

Primary Taxonomy208000000X

Provider Legal NameLINNEA MICHELLE LARSON-WILLIAMSCredential: M.D.

Location Address401 LOWELL DR SE, SUITE 5Huntsville, AL 35801-3748

Mailing AddressPo Box 2705Huntsville, AL 35804-2705 · (256) 265-1775 · Fax (256) 265-1780

Phone(256) 265-1775

Fax(256) 265-1780

Sole ProprietorNo

Enumeration DateApril 29, 2009

Last NPPES UpdateMay 4, 2017

✔ NPI 1558505800 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPediatricsAllopathic & Osteopathic Physicians

Taxonomy Code208000000X

License✔ Licensed in AL · 30518

Definition

A pediatrician is concerned with the physical, emotional and social health of children from birth to young adulthood. Care encompasses a broad spectrum of health services ranging from preventive healthcare to the diagnosis and treatment of acute and chronic diseases. A pediatrician deals with biological, social and environmental influences on the developing child, and with the impact of disease and dysfunction on development.

401 LOWELL DR SE, Huntsville, AL 35801

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Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Linnea Michelle Larson-williams M.d. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

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

Medicare enrollment records show Linnea Larson-williams reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

University Of Alabama Health Services Foundation, PC

75 mi

Clinical Medical Laboratory

720 20TH STREET SOUTH
Birmingham, AL 35294

Reassigned Medicare billing, Alabama enrollment
4,494 clinicians in this Medicare group

NPI 1366638330 (205) 934-4983

Au Medical Associates Inc

277 mi

Multi-Specialty

1120 15TH ST
Augusta, GA 30912

Reassigned Medicare billing, Georgia enrollment
1,151 clinicians in this Medicare group

NPI 1841230620 (706) 721-2273

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 35801 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

$81.90 typical visit price

range $52.65 – $161.63

Typical copayment $20.47 (range $13.16 – $40.40)

Most-billed visit code 99203

Established Patient

$93.72 typical visit price

range $16.56 – $131.65

Typical copayment $23.43 (range $4.14 – $32.91)

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.

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.

BARIATRIC CENTER AT HUNTSVILLE HOSPITAL

Clinic/Center (Medical Specialty)

401 LOWELL DR SE, SUITE 14
HUNTSVILLE, AL 35801

Madison County (256) 265-7791

RICHARD R RANDALL MD

Surgery

401 LOWELL DR SE, SUITE 10
HUNTSVILLE, AL 35801

Madison County (256) 535-5948

MARIANNA JOHNSON WESTER CRNP

Nurse Practitioner (Acute Care)

401 LOWELL DR SE, SUITE 19
HUNTSVILLE, AL 35801

Madison County (256) 533-1528

SUNNY SMILES DENTAL CENTER, LLC

Dentist

401 LOWELL DR SE, SUITE 17
HUNTSVILLE, AL 35801

Madison County (256) 533-0434

PEDIATRIC INTENSIVIST

Pediatrics (Pediatric Critical Care Medicine)

401 LOWELL DR SE, SUITE 14
HUNTSVILLE, AL 35801

Madison County (256) 265-7791

DR. JOHN MARSHALL STALLENS III DDS

Dentist (General Practice)

401 LOWELL DR SE, SUITE 17
HUNTSVILLE, AL 35801

Madison County (256) 533-0434

ALABAMA OB/GYN ASSOICIATES, P.C.

Obstetrics & Gynecology

401 LOWELL DR SE, SUITE 11
HUNTSVILLE, AL 35801

Madison County (256) 265-6550

HUNTSVILLE PULMONARY MEDICINE

Specialist

401 LOWELL DR SE, SUITE 19
HUNTSVILLE, AL 35801

Madison County (256) 533-1528

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 Linnea Larson-williams's NPI number?

The NPI number for Linnea Larson-williams is 1558505800. It was assigned to this individual provider in the NPPES registry on April 29, 2009.

Where is Linnea Larson-williams located?

Linnea Larson-williams practices at 401 Lowell Dr SE Suite 5, Huntsville, AL 35801. The listed phone number is (256) 265-1775.

What is Linnea Larson-williams's specialty?

The primary specialty registered for this NPI is Pediatrics with taxonomy code 208000000X.

Is Linnea Larson-williams enrolled in Medicare?

Yes. Linnea Larson-williams is registered in the Medicare PECOS enrollment system.

Which organizations bill Medicare for Linnea Larson-williams's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Linnea Larson-williams reassigns Medicare benefits to 2 organizations: University Of Alabama Health Services Foundation, PC (Birmingham, AL) and Au Medical Associates Inc (Augusta, GA). 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 Linnea Larson-williams's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

When was this NPI record last updated?

The NPPES record for Linnea Larson-williams was last updated on May 4, 2017. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 9 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.