DAVID MICHAEL WILLIAMS NP
NPI 1215520820
Nurse Practitioner - Family in Springfield, MO
About David Michael Williams Np NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DAVID MICHAEL WILLIAMS NP (NPI 1215520820) is an individual family provider in Springfield, Missouri, licensed in Missouri (2020011024) and active in the NPI registry since February 2021. He is enrolled in Medicare PECOS, is affiliated with Mercy Hospital Lebanon, and is a graduate of Other (2019).
NPPES Registry Identity
Specialties & Licenses
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
David Michael Williams Np 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 David Williams reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Springfield, MO 65807
- Reassigned Medicare billing, Missouri enrollment
- 1,487 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 11
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 3
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Mercy Hospital Lebanon
Acute Care Hospitals · Lebanon, MOMercy Hospital Springfield
Acute Care Hospitals · Springfield, MOMercy St Francis Hospital
Critical Access Hospitals · Mountain View, MOPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 65804 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
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.
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 David Williams's NPI number?
The NPI number for David Williams is 1215520820. It was assigned to this individual provider in the NPPES registry on February 15, 2021.
Where is David Williams located?
David Williams practices at 1965 S Fremont Ave Ste 370, Springfield, MO 65804. The listed phone number is (417) 820-0300.
What is David Williams's specialty?
The primary specialty registered for this NPI is Nurse Practitioner, specializing in Family, with taxonomy code 363LF0000X.
Is David Williams enrolled in Medicare?
Yes. David 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 David Williams's services?
According to the CMS Revalidation Reassignment List (October 2026 release), David Williams reassigns Medicare benefits to Mercy Clinic Springfield Communities (Springfield, MO). 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 David Williams's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does David Williams accept?
Health plans from Ambetter Health, Ambetter Health of Delaware, Ambetter from Arkansas Health & Wellness, Ambetter from Sunflower Health Plan and Ambetter of Oklahoma and 3 other insurers list David 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.
Is David Williams affiliated with any hospitals?
According to CMS data, David Williams is affiliated with Mercy Hospital Lebanon, Mercy Hospital Springfield and Mercy St Francis Hospital.
When was this NPI record last updated?
The NPPES record for David Williams was last updated on February 15, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 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.
# David Michael Williams, NP · NPI 1215520820
Family physician in Springfield, Missouri. Individual provider, active in the CMS NPPES registry since February 15, 2021.
## Identity
- **NPI:** 1215520820 (Entity type: Individual)
- **Enumerated:** February 15, 2021
- **Primary specialty:** Nurse Practitioner - Family · taxonomy 363LF0000X
- **State license:** 2020011024 (Missouri)
- **Sole proprietor:** No
## Practice location
- **Address:** 1965 S FREMONT AVE STE 370, Springfield, MO 65804-2284
- **Phone:** (417) 820-0300
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** Mercy Clinic Springfield Communities (NPI 1245277631, Springfield, MO), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2019
## Record status
- **NPPES last updated:** February 15, 2021
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Source: [NPI Profile](https://npiprofile.com/npi/1215520820) · Data from the CMS NPPES public registry.