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

NPI Status: Active since April 08, 2017

Contact Information

2944 BRECKENRIDGE LN
LOUISVILLE, KY
ZIP 40220
Phone: (502) 995-5525
Fax: (502) 280-1419

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  • Individual
  • Male
  • Years of Experience 8
  • Allergy & Immunology
  • Accepts Insurance
  • Accepts Medicare Approved Payment
  • PECOS Enrolled

About ALEXANDER EMERSON

This page provides the complete NPI Profile along with additional information for Alexander Emerson, a provider established in Louisville, Kentucky with a medical specialization in Allergy & Immunology and more than 8 years of experience. He graduated from Louisville Medical College in 2019. The healthcare provider is registered in the NPI registry with number 1699208421 assigned on April 2017. The practitioner's primary taxonomy code is 207K00000X with license number 60954 (KY). The provider is registered as an individual and his NPI record was last updated one year ago.

NPI
1699208421
Provider Name
ALEXANDER GEORGE EMERSON MD
Gender
Male
Entity Type
Individual
Location Address
2944 BRECKENRIDGE LN LOUISVILLE, KY 40220
Location Phone
(502) 995-5525
Location Fax
(502) 280-1419
Mailing Address
2944 BRECKENRIDGE LN LOUISVILLE, KY 40220
Mailing Phone
(502) 995-5525
Mailing Fax
(502) 280-1419
Medical School Name
LOUISVILLE MEDICAL COLLEGE
Graduation Year
2019
Is Sole Proprietor?
No
Enumeration Date
04-08-2017
Last Update Date
01-12-2026
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Specialty - Primary Taxonomy

The NPI enumerator requires providers to submit at least one taxonomy code. A taxonomy code is a unique 10-character code that describes the healthcare provider type, classification, and the area of specialization. There could be only one primary taxonomy code per NPI record. For individual NPIs the license data is associated to the taxonomy code.

Classification

Allergy & Immunology

Taxonomy Code
207K00000X
Type
Allopathic & Osteopathic Physicians
License No.
60954
License State
KY
Taxonomy Description
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.

Secondary Taxonomies

The provider has reported to the NPI enumerator additional taxonomy codes. Multiple taxonomy codes may represent subspecialties or other areas of specialization the provider maybe licensed to practice.

No. Taxonomy Code Type Classification /
Specialization
License No. (State)
1207R00000XAllopathic & Osteopathic Physicians

Internal Medicine

60954 (KY)
2208000000XAllopathic & Osteopathic Physicians

Pediatrics

60954 (KY)

Insurance Plans Accepted

According to publicly available information the provider might be accepting the following health plans from these health insurance companies:

  • Anthem Bronze Essential 10150 ($0 Virtual PCP + $0 Select Drugs + Incentives) - HMO
  • Anthem Bronze Essential 10150 Adult Dental/Vision ($0 Virtual PCP + $0 Select Drugs + Incentives) - HMO
  • Anthem Bronze Essential 6500 HSA (+ Incentives) - HMO
  • Anthem Bronze Essential 7500 Standard ($0 Virtual PCP + $0 Select Drugs + Incentives) - HMO
  • Anthem Bronze Essential POS 5500 ($0 Virtual PCP + $0 Select Drugs + Incentives) - POS
  • Anthem Bronze Essential POS 7500 Standard ($0 Virtual PCP + $0 Select Drugs + Incentives) - POS
  • Anthem Catastrophic Essential (+ Incentives) - HMO
  • Anthem Gold Essential 2000 Standard ($0 Virtual PCP + $0 Select Drugs + Incentives) - HMO
  • Anthem Gold Essential 2200 ($0 Virtual PCP + $0 Select Drugs + Incentives) - HMO
  • Anthem Heart Healthy Bronze Essential 4500 ($0 Virtual PCP + $0 Select Drugs + Incentives) - HMO
  • Anthem Heart Healthy Silver Essential 4500 ($0 Virtual PCP + $0 Select Drugs + Incentives) - HMO
  • Anthem Silver Essential 3500 HSA (+ Incentives) - HMO
  • Anthem Silver Essential 6000 Standard ($0 Virtual PCP + $0 Select Drugs + Incentives) - HMO
  • Anthem Silver Essential 7000 ($0 Virtual PCP + $0 Select Drugs + Incentives) - HMO
  • Anthem Silver Essential 7000 Adult Dental/Vision ($0 Virtual PCP + $0 Select Drugs + Incentives) - HMO
  • Bronze 7500 $25 Generic Drugs - HMO
  • Bronze 7500 $25 Generic Drugs + Adult Vision & Fitness - HMO
  • Diabetes Gold 3000 $0 Chronic Care Drugs & Services - HMO
  • Diabetes Gold 3000 $0 Chronic Care Drugs & Services + Adult Vision & Fitness - HMO
  • Diabetes Silver 5000 $0 Chronic Care Drugs & Services - HMO
  • Diabetes Silver 5000 $0 Chronic Care Drugs & Services + Adult Vision & Fitness - HMO
  • Gold 2000 $15 Generic Drugs - HMO
  • Gold 2000 $15 Generic Drugs + Adult Vision & Fitness - HMO
  • HDHP Preventive Silver 5500 $0 Chronic Care Drugs - HMO
  • Healthy Heart Gold 3000 $0 Chronic Care Drugs & Services - HMO
  • Healthy Heart Gold 3000 $0 Chronic Care Drugs & Services + Adult Vision & Fitness - HMO
  • Healthy Heart Silver 5000 $0 Chronic Care Drugs & Services - HMO
  • Healthy Heart Silver 5000 $0 Chronic Care Drugs & Services + Adult Vision & Fitness - HMO
  • HSA Eligible Bronze 6000 - HMO
  • Low Premium Bronze 10600 $25 Generic Drugs - HMO
  • Low Premium Bronze 10600 $25 Generic Drugs + Adult Vision & Fitness - HMO
  • Low Premium Silver 6200 $3 Generic Drugs - HMO
  • Low Premium Silver 6200 $3 Generic Drugs + Adult Vision & Fitness - HMO
  • Platinum Zero $5 Generic Drugs - HMO
  • Platinum Zero $5 Generic Drugs + Adult Vision & Fitness - HMO
  • Bronze Classic Standard - EPO
  • Bronze Elite + PCP Saver Plus - EPO
  • Bronze Simple - EPO
  • Bronze Simple Breathe Easy with Enhanced COPD Benefits - EPO
  • Bronze Simple Chronic Care CKM - EPO
  • Bronze Simple Diabetes - EPO
  • Gold Classic Standard - EPO
  • Gold Elite - EPO
  • Silver Classic - EPO
  • Silver Classic Standard - EPO
  • Silver Simple Breathe Easy with Enhanced COPD Benefits - EPO
  • Silver Simple Chronic Care CKM - EPO
  • Silver Simple Diabetes - EPO
  • Silver Simple PCP Saver - EPO
  • Silver Simple Women's Health with Menopause Benefits - EPO

*Please verify directly with this provider to make sure your insurance plan is currently accepted.

Medicare Participation & PECOS Enrollment Status

Alexander Emerson is registered with Medicare and accepts claims assignment, this means the provider accepts the approved amount for the cost of rendered services as full payment. Participating providers may not charge beneficiaries more than the approved amount for their services. Please keep in mind that beneficiaries still have to pay a coinsurance or copayment amount for a visit or service.

Alexander Emerson is enrolled in PECOS and is eligible to order or refer health care services for Medicare patients. The provider is eligible to order or refer: Part B Clinical Laboratory and Imaging, Durable Medical Equipment (DME), a Home Health Agency (HHA) and Power Mobility Devices.

What is PECOS?
PECOS is the online Medicare enrollment management system or Provider, Enrollment, Chain and Ownership System. The PECOS system is a database of providers who have registered with CMS as providers or suppliers. PECOS is the primary source of information about verified Medicare professionals. Providers that want to participate in this program need to enroll in PECOS with their NPI number to avoid denied claims.

  • Is the provider registered in PECOS? Yes

  • PECOS PAC ID: 9830422617

    What is the PECOS Associate Control ID?
    A PAC ID is a unique 10-digit number assigned to an individual or organization healthcare provider in PECOS. The PAC ID is used to link together all the provider information, like tax identification numbers and organizational names. A PAC ID can be connected to multiple Enrollment IDs if an individual or organization has enrolled in PECOS more than once.

  • PECOS Enrollment ID: I20250424003373, I20250911002656

    What is the Provider Enrollment ID?
    The Enrollment ID is a unique alphanumeric 15-digit code assigned to each new provider's PECOS enrollment application. The Enrollment ID is used to link together all the provider enrollment information like enrollment type, state, provider specialty, and reassignment of benefits.

  • Accepts Medicare Assignment? Yes

    What does it mean "accepts medicare assignment"?
    When a provider accepts Medicare assignment, the provider agrees to be paid directly by Medicare and to accept the payment amount approved by Medicare. Additionally, the provider agrees to not bill patients for more than the Medicare deductible and coinsurance amounts.
    A provider who doesn't accept assignment may charge you up to 15% over the Medicare-approved amount. This is known as the limiting charge. You may have to pay this amount, or it may be covered by another insurer.

  • Eligible to Order or Refer Part B Clinical Laboratory and Imaging: Yes

  • Eligible to Order or Refer Durable Medical Equipment (DMEPOS): Yes

  • Eligible to Order or Refer a Home Health Agency (HHA): Yes

  • Eligible to Order or Refer Power Mobility Devices: Yes

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NPI NPI Number Validation

How NPI Validation Works

The NPI validation process uses the ISO-standard Luhn algorithm, a mathematical "handshake", to ensure that a provider's 10-digit ID is authentic and free of common typing errors.

To verify the NPI 1699208421, we treat the final digit (1) as the Check Digit—the target answer we need to reach. The process begins by taking the first nine digits and adding a constant value of 24, which accounts for the "80840" prefix required for all U.S. health identifiers. We then double every other digit starting from the right and sum the individual digits of those results together. For this specific NPI, that total comes to 69. The final step is to find the difference between that total and the next multiple of ten (70 - 69 = 1).

Digit-by-digit view

Use the first nine digits for the calculation. Starting from the right, double every other digit. The last digit is the check digit and is not part of the calculation.

Pos 1
1
Doubled → 2
Pos 2
6
Unchanged
Pos 3
9
Doubled → 18 → 1 + 8
Pos 4
9
Unchanged
Pos 5
2
Doubled → 4
Pos 6
0
Unchanged
Pos 7
8
Doubled → 16 → 1 + 6
Pos 8
4
Unchanged
Pos 9
2
Doubled → 4
Check
1
Target digit
Regular digit Doubled digit Check digit

Step 1: Double every other digit from the right

Starting with the rightmost digit of the first nine digits, double every other value. If doubling creates a two-digit number, add those digits together.

1 → 2 9 → 18 → 9 2 → 4 8 → 16 → 7 2 → 4

Step 2: Add all digits plus the NPI constant

Add the transformed values, the unchanged digits, and the constant 24.

2 + 6 + 1 + 8 + 9 + 4 + 0 + 1 + 6 + 4 + 4 + 24 = 69

Step 3: Find the amount needed to reach the next multiple of 10

The next multiple of ten after 69 is 70. The difference is the calculated check digit.

70 - 69 = 1
This NPI is valid
The calculated check digit is 1, which matches the last digit of 1699208421.

Other Providers at the Same Location


The following 20 providers are registered at the same or a nearby location.

Allergy & Immunology
2944 BRECKENRIDGE LN
LOUISVILLE, KY 40220
Otolaryngology
2944 BRECKENRIDGE LN
LOUISVILLE, KY 40220
Audiologist
2944 BRECKENRIDGE LN
LOUISVILLE, KY 40220
Hearing Instrument Specialist
2944 BRECKENRIDGE LN
LOUISVILLE, KY 40220
Physician Assistant
2944 BRECKENRIDGE LN
LOUISVILLE, KY 40220
Otolaryngology
2944 BRECKENRIDGE LN
LOUISVILLE, KY 40220
Audiologist
2944 BRECKENRIDGE LN
LOUISVILLE, KY 40220
Otolaryngology (Otolaryngology/Facial Plastic Surgery)
2944 BRECKENRIDGE LN
LOUISVILLE, KY 40220
Nurse Practitioner
2944 BRECKENRIDGE LN
LOUISVILLE, KY 40220
Nurse Practitioner (Family)
2944 BRECKENRIDGE LN
LOUISVILLE, KY 40220
Audiologist
2944 BRECKENRIDGE LN
LOUISVILLE, KY 40220
Audiologist
2944 BRECKENRIDGE LN
LOUISVILLE, KY 40220
Physician Assistant
2944 BRECKENRIDGE LN
LOUISVILLE, KY 40220
Otolaryngology
2944 BRECKENRIDGE LN
LOUISVILLE, KY 40220
Physician Assistant
2944 BRECKENRIDGE LN
LOUISVILLE, KY 40220
Otolaryngology
2944 BRECKENRIDGE LN
LOUISVILLE, KY 40220
Audiologist
2944 BRECKENRIDGE LN
LOUISVILLE, KY 40220
Nurse Practitioner (Family)
2944 BRECKENRIDGE LN
LOUISVILLE, KY 40220
Physician Assistant
2944 BRECKENRIDGE LN
LOUISVILLE, KY 40220
Nurse Practitioner (Family)
2944 BRECKENRIDGE LN
LOUISVILLE, KY 40220

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1699208421, enumerated as an "individual" on April 08, 2017.

The provider is located at 2944 BRECKENRIDGE LN LOUISVILLE, KY 40220 and the phone number is (502) 995-5525.

Allergy & Immunology with taxonomy code 207K00000X.

The provider might be accepting Accepts: Anthem Blue Cross and Blue Shield, CareSource and. Please consult your insurance carrier or call the provider to verify.