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DR. DAVID WAYNE WILLIAMS D.O.
NPI 1801185475
Emergency Medicine in Dayton, OH

Active since April 04, 2011PECOS Enrolled
1 WYOMING ST, DAYTON, OH 45409(937) 208-8000 Get Directions Write a Review

NPPES record last updated: August 2, 2019. Verified against the NPPES registry weekly; last sync: October 18, 2026.

About Dr. David Wayne Williams D.o. NPPES

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

DR. DAVID WAYNE WILLIAMS D.O. (NPI 1801185475) is an individual emergency medicine provider in Dayton, Ohio, licensed in Ohio (34.011180) and active in the NPI registry since April 2011. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1801185475
Entity TypeIndividualMale
Primary Taxonomy207P00000X
Provider Legal NameDR. DAVID WAYNE WILLIAMSCredential: D.O.
Location Address1 WYOMING STDayton, OH 45409-2722
Mailing Address1 Wyoming StDayton, OH 45409-2722
Phone(937) 208-8000
Sole ProprietorNo
Enumeration DateApril 4, 2011
Last NPPES UpdateAugust 2, 2019
✔ NPI 1801185475 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyEmergency MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207P00000X
License✔ Licensed in OH · 34.011180
Definition
An emergency physician focuses on the immediate decision making and action necessary to prevent death or any further disability both in the pre-hospital setting by directing emergency medical technicians and in the emergency department. The emergency physician provides immediate recognition, evaluation, care, stabilization and disposition of a generally diversified population of adult and pediatric patients in response to acute illness and injury.
1 WYOMING ST, Dayton, OH 45409
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Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include CareSource.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Dr. David Wayne Williams D.o. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

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 Reassignments

3

Medicare enrollment records show David Williams reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Phs Emergency Billing LLC
0.3 mi
Emergency Medicine
1 WYOMING ST
Dayton, OH 45409
  • Reassigned Medicare billing, Ohio enrollment
  • 143 clinicians in this Medicare group
NPI 1578387486 (937) 208-3356
Miami Valley Emergency Specialists, LLC
1.0 mi
Emergency Medicine
1 WYOMING ST
Dayton, OH 45409
  • Reassigned Medicare billing, Ohio enrollment
  • 177 clinicians in this Medicare group
NPI 1821189085 (513) 281-4400
Emergency Professional Services, Inc.
64 mi
Emergency Medicine
230 MEDICAL CENTER DR
Seaman, OH 45679
  • Reassigned Medicare billing, Ohio enrollment
  • 894 clinicians in this Medicare group
NPI 1093762353 (937) 386-3400

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 4

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.

Emergency department visit with high level of medical decision making 99285
An emergency department visit for severe conditions is when you urgently seek medical help due to serious health issues. These could be severe injuries, breathing problems, unbearable pain, or sudden severe illness. Doctors and nurses will provide immediate care to stabilize your condition.
124 services118 patients
Emergency department visit with moderate level of medical decision making 99284
An emergency department visit for a high-severity issue means you're experiencing a serious health problem that needs immediate attention. This could be a severe injury, serious illness, or life-threatening condition. Medical professionals will provide urgent care to stabilize your condition.
77 services71 patients
Emergency department visit with low level of medical decision making 99283
An emergency department visit for a problem of moderate severity involves immediate medical attention for issues like minor fractures, burns, or high fever. The healthcare team will assess your condition, provide necessary treatment, and may suggest further tests or admission if required.
21 services21 patients
Critical care, first 30-74 minutes 99291
Critical care involves immediate and constant attention by a team of specially-trained health professionals. It's for patients with life-threatening conditions, requiring first 30-74 minutes of intense monitoring and treatment.
11 services11 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 45409 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$84.72 typical visit price
range $54.34 – $166.65
Typical copayment $21.18 (range $13.58 – $41.66)
Most-billed visit code 99203
Established Patient
$96.44 typical visit price
range $17.10 – $135.40
Typical copayment $24.11 (range $4.27 – $33.85)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES 20

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

DANIEL NGUYEN
Student in an Organized Health Care Education/Training Program
1 WYOMING ST
DAYTON, OH 45409
Montgomery County (937) 208-3882
KATHY WAYMIRE CRNA
Nurse Anesthetist, Certified Registered
1 WYOMING ST
DAYTON, OH 45409
Montgomery County (800) 394-4445
DR. RORY JON PEPPARD M.D.
Pediatrics (Neonatal-Perinatal Medicine)
1 WYOMING ST, NEONATOLOGY OFFICE
DAYTON, OH 45409
Montgomery County (937) 208-2907
DR. DANIEL PHILLIP PITSTICK D.O.
Emergency Medicine
1 WYOMING ST
DAYTON, OH 45409
Montgomery County (937) 208-3356
DR. WILLIAM R. MARRIOTT M.D.
Emergency Medicine
1 WYOMING ST
DAYTON, OH 45409
Montgomery County (513) 281-4400
MIAMI VALLEY HOSPITAL
Psychiatric Unit
1 WYOMING ST
DAYTON, OH 45409
Montgomery County (937) 208-8000
LEILA CONSTANCE TOU
Student in an Organized Health Care Education/Training Program
1 WYOMING ST
DAYTON, OH 45409
Montgomery County (937) 208-2866
DR. JARED COTTINGIM RPH
Pharmacist
1 WYOMING ST
DAYTON, OH 45409
Montgomery County (937) 208-3195

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 1801185475. It was assigned to this individual provider in the NPPES registry on April 4, 2011.

Where is David Williams located?

David Williams practices at 1 Wyoming St, Dayton, OH 45409. The listed phone number is (937) 208-8000.

What is David Williams's specialty?

The primary specialty registered for this NPI is Emergency Medicine with taxonomy code 207P00000X.

Is David Williams enrolled in Medicare?

Yes. David Williams is registered in the Medicare PECOS enrollment system.

Which organizations bill Medicare for David Williams's services?

According to the CMS Revalidation Reassignment List (October 2026 release), David Williams reassigns Medicare benefits to 3 organizations: Phs Emergency Billing LLC (Dayton, OH), Miami Valley Emergency Specialists, LLC (Dayton, OH) and Emergency Professional Services, Inc. (Seaman, OH). Each 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 CareSource 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.

When was this NPI record last updated?

The NPPES record for David Williams was last updated on August 2, 2019. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 7 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.