DR. RONALD W WILLIAMS JR. MD
NPI 1548377690
Pediatrics - Pediatric Pulmonology in Richmond, VA

Active since August 24, 2006PECOS EnrolledAccepts Medicare Assignment
1250 E MARSHALL ST, PEDIATRICS, RICHMOND, VA 23298(804) 828-2440(804) 828-2983 Get Directions Write a Review

NPPES record last updated: July 8, 2007. Verified against the NPPES registry weekly; last sync: October 25, 2026.

About Dr. Ronald W Williams Jr. Md NPPES

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

DR. RONALD W WILLIAMS JR. MD (NPI 1548377690) is an individual pediatric pulmonology provider in Richmond, Virginia, licensed in Virginia (0101240043) and active in the NPI registry since August 2006. He is enrolled in Medicare PECOS and is a graduate of Eastern Virginia Medical School (2000).

NPPES Registry Identity

NPI1548377690
Entity TypeIndividualMale
Primary Taxonomy2080P0214X
Provider Legal NameDR. RONALD W WILLIAMS JR.Credential: MD
Location Address1250 E MARSHALL ST, PEDIATRICSRichmond, VA 23298-5051
Mailing AddressPo Box 91734Richmond, VA 23291-1734 · (804) 358-6100 · Fax (804) 342-7619
Fax(804) 828-2983
Sole ProprietorNo
Medical School CMSEastern Virginia Medical SchoolGraduated 2000
Enumeration DateAugust 24, 2006
Last NPPES UpdateJuly 8, 2007
✔ NPI 1548377690 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPediatrics · Pediatric PulmonologyAllopathic & Osteopathic Physicians
Taxonomy Code2080P0214X
License✔ Licensed in VA · 0101240043
Definition
A pediatrician dedicated to the prevention and treatment of all respiratory diseases affecting infants, children and young adults. This specialist is knowledgeable about the growth and development of the lung, assessment of respiratory function in infants and children, and experienced in a variety of invasive and noninvasive diagnostic techniques.
1250 E MARSHALL ST, Richmond, VA 23298

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

Dr. Ronald W Williams 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.

PECOS PAC ID9335146919
PECOS Enrollment IDI20061024000116
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 Ronald Williams reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Anesthesiology
1250 E MARSHALL ST, MAIN 1-214, BOX 980510
Richmond, VA 23298
  • Reassigned Medicare billing, Virginia enrollment
  • 2,481 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.

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.

Student in an Organized Health Care Education/Training Program
1250 E MARSHALL ST
RICHMOND, VA 23298
Nurse Practitioner (Family)
1250 E MARSHALL ST, GENERAL MEDICINE
RICHMOND, VA 23298
Internal Medicine
1250 E MARSHALL ST, INTERNAL MEDICINE
RICHMOND, VA 23298
Nurse Practitioner (Family)
1250 E MARSHALL ST, DEPARTMENT OF PEDIATRICS
RICHMOND, VA 23298
Internal Medicine (Geriatric Medicine)
1250 E MARSHALL ST, DEPT. OF INTERNAL MEDICINE/GERIATRIC MEDICINE
RICHMOND, VA 23298
Physician Assistant
1250 E MARSHALL ST, EMERGENCY MEDICINE
RICHMOND, VA 23298
Nurse Practitioner (Acute Care)
1250 E MARSHALL ST
RICHMOND, VA 23298
Student in an Organized Health Care Education/Training Program
1250 E MARSHALL ST
RICHMOND, VA 23298

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 Ronald Williams's NPI number?

The NPI number for Ronald Williams is 1548377690. It was assigned to this individual provider in the NPPES registry on August 24, 2006.

Where is Ronald Williams located?

Ronald Williams practices at 1250 E Marshall St Pediatrics, Richmond, VA 23298. The listed phone number is (804) 828-2440.

What is Ronald Williams's specialty?

The primary specialty registered for this NPI is Pediatrics, specializing in Pediatric Pulmonology, with taxonomy code 2080P0214X.

Is Ronald Williams enrolled in Medicare?

Yes. Ronald 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 Ronald Williams's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Ronald Williams reassigns Medicare benefits to Mcv Associated Physicians (Richmond, VA). 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 Ronald Williams's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Ronald Williams accept?

Health plans from Oscar Health list Ronald 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 Ronald Williams was last updated on July 8, 2007. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 19 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.