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ALEXANDER GEORGE EMERSON MD
NPI 1699208421
Allergy & Immunology in Louisville, KY

Active since April 08, 2017PECOS EnrolledAccepts Medicare Assignment
2944 BRECKENRIDGE LN, LOUISVILLE, KY 40220(502) 995-5525(502) 280-1419 Get Directions Write a Review

NPPES record last updated: January 12, 2026. Verified against the NPPES registry weekly; last sync: August 16, 2026.

Record update history: Jan 12, 2026, Jan 7, 2026, Jun 9, 2025 and 4 more (7 updates tracked since 2019).

About Alexander George Emerson Md NPPES

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

ALEXANDER GEORGE EMERSON MD (NPI 1699208421) is an individual allergy & immunology provider in Louisville, Kentucky, licensed in Kentucky (60954) and active in the NPI registry since April 2017. He is enrolled in Medicare PECOS, is affiliated with Baptist Health Floyd, and is a graduate of Louisville Medical College (2019).

NPPES Registry Identity

NPI1699208421
Entity TypeIndividualMale
Primary Taxonomy207K00000X
Provider Legal NameALEXANDER GEORGE EMERSONCredential: MD
Location Address2944 BRECKENRIDGE LNLouisville, KY 40220-1409
Mailing Address2944 Breckenridge LnLouisville, KY 40220-1409 · (502) 995-5525 · Fax (502) 280-1419
Phone(502) 995-5525
Fax(502) 280-1419
Sole ProprietorNo
Medical School CMSLouisville Medical CollegeGraduated 2019
Enumeration DateApril 8, 2017
Last NPPES UpdateJanuary 12, 20267 updates tracked since enumeration
NPPES CertifiedJanuary 12, 2026
✔ NPI 1699208421 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 3

★ Primary SpecialtyAllergy & ImmunologyAllopathic & Osteopathic Physicians
Taxonomy Code207K00000X
License✔ Licensed in KY · 60954
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 ListedInternal MedicineTaxonomy 207R00000X · License 60954 (KY)
Also ListedPediatricsTaxonomy 208000000X · License 60954 (KY)
2944 BRECKENRIDGE LN, Louisville, KY 40220
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Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Anthem Blue Cross and Blue Shield, CareSource, Oscar Insurance Company.Insurance ›

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

Alexander George Emerson Md 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 ID9830422617
PECOS Enrollment IDI20250424003373, I20250911002656
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.

Hospital Affiliations CMS Care Compare

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

Baptist Health Floyd

Acute Care Hospitals · New Albany, IN
2/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number150044
Location1850 State StNew Albany, IN 47150 · Floyd County
Emergency services Birthing friendly

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.

ALANNA MARIE FRIEDRICH PA-C
Physician Assistant
2944 BRECKENRIDGE LN
LOUISVILLE, KY 40220
Jefferson County (502) 995-5525
MRS. TINA ANGELA KENNEY BC-HIS
Hearing Instrument Specialist
2944 BRECKENRIDGE LN
LOUISVILLE, KY 40220
Jefferson County (502) 893-0159
EMILY K CULLUM
Audiologist
2944 BRECKENRIDGE LN
LOUISVILLE, KY 40220
Jefferson County (502) 995-5525
DEANNA S BROWN MS
Audiologist
2944 BRECKENRIDGE LN
LOUISVILLE, KY 40220
Jefferson County (502) 893-0159
MALLORY MICHELLE SWANSON DNP, FNP-C
Nurse Practitioner (Family)
2944 BRECKENRIDGE LN
LOUISVILLE, KY 40220
Jefferson County (502) 995-5525
STEVEN D SHOTTS MD
Otolaryngology
2944 BRECKENRIDGE LN
LOUISVILLE, KY 40220
Jefferson County (502) 893-0159
DR. KRISTEN EVANS HILSHER AU.D.
Audiologist
2944 BRECKENRIDGE LN
LOUISVILLE, KY 40220
Jefferson County (502) 893-0159
AARON M SMITH MD
Otolaryngology (Otolaryngology/Facial Plastic Surgery)
2944 BRECKENRIDGE LN
LOUISVILLE, KY 40220
Jefferson County (502) 893-0159

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 Alexander Emerson's NPI number?

The NPI number for Alexander Emerson is 1699208421. It was assigned to this individual provider in the NPPES registry on April 8, 2017.

Where is Alexander Emerson located?

Alexander Emerson practices at 2944 Breckenridge Ln, Louisville, KY 40220. The listed phone number is (502) 995-5525.

What is Alexander Emerson's specialty?

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

Is Alexander Emerson enrolled in Medicare?

Yes. Alexander Emerson 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.

What insurance does Alexander Emerson accept?

Health plans from Anthem Blue Cross and Blue Shield, CareSource and Oscar Insurance Company list Alexander Emerson 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 Alexander Emerson affiliated with any hospitals?

According to CMS data, Alexander Emerson is affiliated with Baptist Health Floyd.

When was this NPI record last updated?

The NPPES record for Alexander Emerson was last updated on January 12, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 7 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.