WILLIAM A PARKER JR. MD
NPI 1780665430
Allergy & Immunology in Beavercreek, OH
About William A Parker Jr. Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
WILLIAM A PARKER JR. MD (NPI 1780665430) is an individual allergy & immunology provider in Beavercreek, Ohio, licensed in Ohio (35-05-8156-P) and active in the NPI registry since November 2005. He is enrolled in Medicare PECOS, is affiliated with Kettering Health Dayton, and is a graduate of Tulane University School Of Medicine (1981).
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 1
Accepted 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
William A Parker Jr. 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.
Medicare Billing Reassignment
Medicare enrollment records show William Parker reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Louisville, KY 40223
- Reassigned Medicare billing, Ohio enrollment
- 20 clinicians in this Medicare group
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 10
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.
Hospital Affiliations CMS Care Compare
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Kettering Health Dayton
Acute Care Hospitals · Dayton, OHOther Providers at the Same Location NPPES
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
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 William Parker's NPI number?
The NPI number for William Parker is 1780665430. It was assigned to this individual provider in the NPPES registry on November 9, 2005.
Where is William Parker located?
William Parker practices at 2359 Lakeview Drive Allergy & Asthma Associates, Beavercreek, OH 45431. The listed phone number is (937) 431-0721.
What is William Parker's specialty?
The primary specialty registered for this NPI is Allergy & Immunology with taxonomy code 207K00000X.
Is William Parker enrolled in Medicare?
Yes. William Parker 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 William Parker's services?
According to the CMS Revalidation Reassignment List (October 2026 release), William Parker reassigns Medicare benefits to Psf PLLC (Louisville, KY). 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 William Parker's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does William Parker accept?
Health plans from AmeriHealth Caritas Next, Anthem Blue Cross and Blue Shield, Antidote Health Plan of Ohio, Inc., MedMutual and UnitedHealthcare list William Parker 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 William Parker affiliated with any hospitals?
According to CMS data, William Parker is affiliated with Kettering Health Dayton.
When was this NPI record last updated?
The NPPES record for William Parker was last updated on November 22, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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.