DEXTER W WALCOTT M.D.
NPI 1457321325
Allergy & Immunology in Jackson, MS

Q: What is Dexter Walcott's NPI number?

The NPI number for Dexter Walcott is 1457321325. It was assigned to this individual provider in the NPPES registry on January 24, 2006.

Q: What is Dexter Walcott's specialty?

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

Q: When was this NPI record last updated?

The NPPES record for Dexter Walcott was last updated on July 20, 2009. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 17 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.

Active since January 24, 2006PECOS Enrolled

78.03/100

CMS Quality Rating

1513 LAKELAND DR., SUITE 101, JACKSON, MS 39216(601) 354-4836(601) 354-2619 Get Directions Write a Review

NPPES record last updated: July 20, 2009. Verified against the NPPES registry weekly; last sync: October 25, 2026.

On this page

About Dexter W Walcott M.d. NPPES

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

DEXTER W WALCOTT M.D. (NPI 1457321325) is an individual allergy & immunology provider in Jackson, Mississippi, licensed in Mississippi (10031) and active in the NPI registry since January 2006. He is enrolled in Medicare PECOS, is affiliated with North Sunflower Medical Center Cah, and is a graduate of University Of Mississippi School Of Medicine (1977).

NPPES Registry Identity

NPI1457321325

Entity TypeIndividualMale

Primary Taxonomy207K00000X

Provider Legal NameDEXTER W WALCOTTCredential: M.D.

Location Address1513 LAKELAND DR., SUITE 101Jackson, MS 39216

Mailing Address1513 Lakeland Dr., Suite 101Jackson, MS 39216 · (601) 354-4836 · Fax (601) 354-2619

Phone(601) 354-4836

Fax(601) 354-2619

Sole ProprietorNo

Medical School CMSUniversity Of Mississippi School Of MedicineGraduated 1977

Enumeration DateJanuary 24, 2006

Last NPPES UpdateJuly 20, 2009

✔ NPI 1457321325 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyAllergy & ImmunologyAllopathic & Osteopathic Physicians

Taxonomy Code207K00000X

License✔ Licensed in MS · 10031

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.

1513 LAKELAND DR., Jackson, MS 39216

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Other Identifiers 6

Medicare UPINF57452

Medicaid00113910MS

Medicaid00112408MS

Medicare UPIN57452

Medicare ID-Type Unspecified03000016

Medicare PIN030002483

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Ambetter from Arkansas Health & Wellness, Ambetter from Louisiana Healthcare Connections, Ambetter Health 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 (PECOS)

Dexter W Walcott M.d. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

PECOS PAC ID1052444007

PECOS Enrollment IDI20100728000651

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 Dexter Walcott reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Mississippi Asthma & Allergy Clinic PA

0.1 mi

Allergy & Immunology

1513 LAKELAND DR, STE 100
Jackson, MS 39216

Reassigned Medicare billing, Mississippi enrollment
15 clinicians in this Medicare group

NPI 1902882251 (601) 354-4836

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 17

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.

Injection, mepolizumab, 1 mg J2182

Mepolizumab is a medication given via injection to help manage severe asthma and certain other conditions. It works by reducing the number of specific white blood cells that contribute to inflammation, thus aiding in symptom control.

14,300 services18 patients

Injection, omalizumab, 5 mg J2357

Omalizumab is a medication given via injection. It's used to treat severe allergic asthma and chronic hives when other treatments fail. The 5mg dose is determined by your doctor based on your weight and condition.

9,240 services16 patients

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.

5,875 services196 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.

2,068 services48 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.

1,608 services87 patients

Professional service for single injection of allergen 95115

A single allergen injection is a procedure where a small amount of a specific allergen is injected into your body. This is done to test your body's reaction to the allergen or to help your immune system become less sensitive to it, reducing allergic symptoms.

1,323 services80 patients

Injection of drug or substance under skin or into muscle 96372

This procedure involves administering medication directly under the skin or into a muscle. A small needle is used to inject the drug, allowing it to be absorbed quickly into the bloodstream. It's a common method for delivering a variety of medications.

578 services46 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.

546 services368 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.

332 services35 patients

Test to measure expiratory airflow and volume 94010

This test, known as spirometry, assesses how well your lungs work. It measures how much air you can inhale, how much you can exhale and how quickly you can exhale. It's non-invasive and helps diagnose conditions like asthma or COPD.

163 services142 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.

78 services73 patients

New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more 99204

This is a first-time office or outpatient visit lasting between 45-59 minutes. The healthcare provider evaluates your health, discusses your medical history, and may suggest further tests or treatments. It's an opportunity to ask questions and understand your health better.

77 services77 patients

Insertion of needle into vein for collection of blood sample 36415

This procedure involves inserting a small needle into a vein, typically in your arm, to collect a blood sample. It's a quick and simple process to help diagnose or monitor health conditions. You may feel a small prick, but discomfort is minimal.

33 services30 patients

Telephone medical discussion with physician, 11-20 minutes 99442

This is a service where you have a phone conversation with your doctor for 11-20 minutes. It's used for discussing health concerns, reviewing test results, or managing ongoing conditions. It's a convenient way to receive medical advice without an in-person visit.

32 services30 patients

New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more 99203

This service involves an initial office or outpatient visit for a new patient. The healthcare professional will spend 30-44 minutes understanding your health history, current issues, and discussing possible treatment plans. It's a comprehensive evaluation to start your healthcare journey.

23 services23 patients

Evaluation of use of breathing device 94664

The evaluation of a breathing device involves checking how effectively you're using it to manage your respiratory condition. It assesses the device's fit, your comfort, and your technique to ensure optimal results.

13 services11 patients

Administration of influenza virus vaccine G0008

The administration of the influenza virus vaccine, also known as the flu shot, is a simple procedure to protect against the flu. A healthcare provider injects a small dose of the vaccine into your arm. This stimulates your immune system to produce antibodies, which will help your body fight off the flu if exposed.

11 services11 patients

Hospital Affiliations CMS Care Compare

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

North Sunflower Medical Center Cah

Critical Access Hospitals · Ruleville, MS

OwnershipGovernment - Local

CMS Certification Number251318

Location840 North Oak AvenueRuleville, MS 38771 · Sunflower County

Emergency services

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.

78.03/100

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

Scored as part of a group practice

Quality

56.07

Improvement Activities

Referred Medical Equipment & Supplies CMS DME claims 13

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

6 suppliers114 claims308 services$19.09 avg. paid by Medicare

Infusion supplies for external drug infusion pump, per cassette or bag (list drugs separately) A4222

DME-Medical/Surgical Supplies · category DA000N

1 supplier26 claims26 services$37.41 avg. paid by Medicare

Ambulatory infusion pump, mechanical, reusable, for infusion 8 hours or greater E0779

DME-Other DME · category DE000N

4 suppliers17 claims17 services$11.20 avg. paid by Medicare

Injection, immune globulin (cuvitru), 100 mg J1555

Treatment-Injections and Infusions (nononcologic) · category RI008N

1 supplier13 claims5,940 services$11.69 avg. paid by Medicare

Injection, immune globulin (bivigam), 500 mg J1556

Treatment-Injections and Infusions (nononcologic) · category RI008N

2 suppliers11 claims669 services$55.26 avg. paid by Medicare

Injection, immune globulin (hizentra), 100 mg J1559

Treatment-Injections and Infusions (nononcologic) · category RI008N

7 suppliers89 claims36,100 services$9.48 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 2

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

MR. DANIEL L VENARSKE M.D

Allergy & Immunology

1513 LAKELAND DR., SUITE 101
JACKSON, MS 39216

Hinds County (601) 354-4836

TODD N ADKINS M.D.

Allergy & Immunology

1513 LAKELAND DR., SUITE 101
JACKSON, MS 39216

Hinds County (601) 354-4836

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 Dexter Walcott's NPI number?

The NPI number for Dexter Walcott is 1457321325. It was assigned to this individual provider in the NPPES registry on January 24, 2006.

Where is Dexter Walcott located?

Dexter Walcott practices at 1513 Lakeland Dr. Suite 101, Jackson, MS 39216. The listed phone number is (601) 354-4836.

What is Dexter Walcott's specialty?

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

Is Dexter Walcott enrolled in Medicare?

Yes. Dexter Walcott is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Dexter Walcott's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Dexter Walcott reassigns Medicare benefits to Mississippi Asthma & Allergy Clinic PA (Jackson, MS). 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 Dexter Walcott's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Dexter Walcott accept?

Health plans from Ambetter Health, Ambetter from Arkansas Health & Wellness, Ambetter from Louisiana Healthcare Connections, Ambetter of Alabama and Ambetter of Tennessee and 4 other insurers list Dexter Walcott 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 Dexter Walcott affiliated with any hospitals?

According to CMS data, Dexter Walcott is affiliated with North Sunflower Medical Center Cah.

When was this NPI record last updated?

The NPPES record for Dexter Walcott was last updated on July 20, 2009. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 17 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.