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DR. AERIK ANTHONY WILLIAMS MD, MPH
NPI 1326212986
Allergy & Immunology in Salisbury, NC

Active since April 15, 2008PECOS EnrolledAccepts Medicare Assignment
420 MOCKSVILLE AVE, SALISBURY, NC 28144(704) 431-4253(704) 431-4325 Get Directions Write a Review

NPPES record last updated: October 30, 2023. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Oct 30, 2023, May 3, 2022, Nov 13, 2015 (3 updates tracked since 2015).

About Dr. Aerik Anthony Williams Md, Mph NPPES

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

DR. AERIK ANTHONY WILLIAMS MD, MPH (NPI 1326212986) is an individual allergy & immunology provider in Salisbury, North Carolina, licensed in North Carolina (2012-01705) and active in the NPI registry since April 2008. He is enrolled in Medicare PECOS and is a graduate of Ohio State University College Of Medicine (2008).

NPPES Registry Identity

NPI1326212986
Entity TypeIndividualMale
Primary Taxonomy207K00000X
Provider Legal NameDR. AERIK ANTHONY WILLIAMSCredential: MD, MPH
Location Address420 MOCKSVILLE AVESalisbury, NC 28144-2712
Mailing AddressPo Box 603725Charlotte, NC 28260-3725 · (828) 575-2625 · Fax (828) 350-2174
Phone(704) 431-4253
Fax(704) 431-4325
Sole ProprietorNo
Medical School CMSOhio State University College Of MedicineGraduated 2008
Enumeration DateApril 15, 2008
Last NPPES UpdateOctober 30, 20233 updates tracked since enumeration
NPPES CertifiedOctober 30, 2023
✔ NPI 1326212986 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyAllergy & ImmunologyAllopathic & Osteopathic Physicians
Taxonomy Code207K00000X
License✔ Licensed in NC · 2012-01705
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.
420 MOCKSVILLE AVE, Salisbury, NC 28144
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Other Identifiers 2

Medicaid1326212986NC
OtherNC9444A950NC · Medicare Ptan

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Ambetter from Absolute Total Care, Ambetter Health, Ambetter of North Carolina 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. Aerik Anthony Williams Md, Mph 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 ID7911158977
PECOS Enrollment IDI20121121000522
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 Aerik Williams reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Rowan Diagnostic Clinic P.A.
Same address
Allergy & Immunology
420 MOCKSVILLE AVE
Salisbury, NC 28144
  • Reassigned Medicare billing, North Carolina enrollment
  • Medicare enrollment name: Rowan Diagnostic Clinic PA
  • 29 clinicians in this Medicare group
NPI 1346036431 (704) 633-7220

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 7

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.

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.
1,324 services18 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.
640 services31 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.
501 services36 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.
121 services14 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.
83 services57 patients
Administration and interpretation of patient-focused health risk assessment 96160
This procedure involves a detailed evaluation of your health to identify potential risks. It includes analyzing your medical history, lifestyle habits, and family health history. The results are interpreted to provide a personalized plan to improve your health and prevent future issues.
26 services18 patients

Referred Medical Equipment & Supplies CMS DME claims 6

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
4 suppliers23 claims89 services$18.38 avg. paid by Medicare
Ambulatory infusion pump, mechanical, reusable, for infusion 8 hours or greater E0779
DME-Other DME · category DE000N
3 suppliers15 claims15 services$13.25 avg. paid by Medicare
Injection, immune globulin (cuvitru), 100 mg J1555
Treatment-Injections and Infusions (nononcologic) · category RI008N
1 supplier11 claims4,640 services$11.71 avg. paid by Medicare
Injection, immune globulin (hizentra), 100 mg J1559
Treatment-Injections and Infusions (nononcologic) · category RI008N
1 supplier13 claims6,240 services$9.55 avg. paid by Medicare
Injection, immune globulin, (gammagard liquid), non-lyophilized, (e.g., liquid), 500 mg J1569
Treatment-Injections and Infusions (nononcologic) · category RI008N
1 supplier18 claims900 services$35.58 avg. paid by Medicare
Supplies for external non-insulin drug infusion pump, syringe type cartridge, sterile, each K0552
DME-Other DME · category DE000N
2 suppliers15 claims109 services$2.37 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.

ROWAN DIAGNOSTIC CLINIC P.A.
Allergy & Immunology
420 MOCKSVILLE AVE
SALISBURY, NC 28144
Rowan County (704) 633-7220

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 Aerik Williams's NPI number?

The NPI number for Aerik Williams is 1326212986. It was assigned to this individual provider in the NPPES registry on April 15, 2008.

Where is Aerik Williams located?

Aerik Williams practices at 420 Mocksville Ave, Salisbury, NC 28144. The listed phone number is (704) 431-4253.

What is Aerik Williams's specialty?

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

Is Aerik Williams enrolled in Medicare?

Yes. Aerik Williams 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 organization bills Medicare for Aerik Williams's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Aerik Williams reassigns Medicare benefits to Rowan Diagnostic Clinic P.A. (Salisbury, NC). 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 Aerik Williams's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Aerik Williams accept?

Health plans from Ambetter Health, Ambetter from Absolute Total Care, Ambetter of North Carolina, Ambetter of Tennessee and AmeriHealth Caritas Next and 4 other insurers list Aerik Williams 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.

When was this NPI record last updated?

The NPPES record for Aerik Williams was last updated on October 30, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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.