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WILLIAM TAYLOR GRAVLEY
NPI 1962025775
Pediatrics in Washington, DC

Active since May 27, 2020PECOS Enrolled
111 MICHIGAN AVE NW, WASHINGTON, DC 20010(888) 884-2327 Get Directions Write a Review

NPPES record last updated: March 16, 2026. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Mar 16, 2026, Jul 9, 2024, Mar 29, 2021 and 2 more (5 updates tracked since 2020).

About William Taylor Gravley NPPES

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

WILLIAM TAYLOR GRAVLEY (NPI 1962025775) is an individual pediatrics provider in Washington, District Of Columbia, licensed in District Of Columbia (MD500002853) and active in the NPI registry since May 2020. He is enrolled in Medicare PECOS, maintains 2 additional practice locations, and is a graduate of University Of Nevada, Las Vegas School Of Medicine (2021).

NPPES Registry Identity

NPI1962025775
Entity TypeIndividualMale
Primary Taxonomy208000000X
Provider Legal NameWILLIAM TAYLOR GRAVLEY
Location Address111 MICHIGAN AVE NWWashington, DC 20010-2916
Mailing Address111 Michigan Ave NwWashington, DC 20010-2916
Phone(888) 884-2327
Sole ProprietorNo
Medical School CMSUniversity Of Nevada, Las Vegas School Of MedicineGraduated 2021
Enumeration DateMay 27, 2020
Last NPPES UpdateMarch 16, 20265 updates tracked since enumeration
NPPES CertifiedMarch 16, 2026
✔ NPI 1962025775 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyPediatricsAllopathic & Osteopathic Physicians
Taxonomy Code208000000X
License✔ Licensed in DC · MD500002853
Definition
A pediatrician is concerned with the physical, emotional and social health of children from birth to young adulthood. Care encompasses a broad spectrum of health services ranging from preventive healthcare to the diagnosis and treatment of acute and chronic diseases. A pediatrician deals with biological, social and environmental influences on the developing child, and with the impact of disease and dysfunction on development.
Also ListedStudent in an Organized Health Care Education/Training ProgramTaxonomy 390200000X
111 MICHIGAN AVE NW, Washington, DC 20010
Open in Google Maps ↗

Secondary Practice Locations 2

Location 1900 23rd St NWWashington, DC 20037-2342 · Phone (202) 715-4000
Location 21200 Pecan St SEWashington, DC 20032-2652 · Phone (771) 444-6200

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

William Taylor Gravley is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

PECOS PAC ID8325523863
PECOS Enrollment IDI20260401002910
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 William Gravley reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Children's Hospital
Same address
Pediatrics
111 MICHIGAN AVE NW
Washington, DC 20010
  • Reassigned Medicare billing, District of Columbia enrollment
  • 1,417 clinicians in this Medicare group
NPI 1780800128 (202) 476-5000

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 20010 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
$100.31 typical visit price
range $65.18 – $194.86
Typical copayment $25.07 (range $16.29 – $48.71)
Most-billed visit code 99203
Established Patient
$113.72 typical visit price
range $21.40 – $158.88
Typical copayment $28.43 (range $5.35 – $39.72)
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.

DR. ANDREA BADILLO MD
Surgery
111 MICHIGAN AVE NW
WASHINGTON, DC 20010
District of Columbia (202) 476-2451
DR. TALITA MICHELLE JORDAN MD
Pediatrics
111 MICHIGAN AVE NW
WASHINGTON, DC 20010
District of Columbia (202) 476-5000
YUE-HIN LOKE MD
Pediatrics (Pediatric Cardiology)
111 MICHIGAN AVE NW, W3.5, 600
WASHINGTON, DC 20010
District of Columbia (202) 476-3670
ELSHADEY YAYEHYERADE BEKELE
Pediatrics
111 MICHIGAN AVE NW
WASHINGTON, DC 20010
District of Columbia (301) 565-4279
NOURA AL DHAHERI MD
Student in an Organized Health Care Education/Training Program
111 MICHIGAN AVE NW, W3.5, 600
WASHINGTON, DC 20010
District of Columbia (202) 476-3670
JIA LIU MD
Anesthesiology (Pediatric Anesthesiology)
111 MICHIGAN AVE NW
WASHINGTON, DC 20010
District of Columbia (202) 476-5000
DR. CHARLES JOHN BILLINGTON JR. MD
Medical Genetics (Clinical Genetics (M.D.))
111 MICHIGAN AVE NW, W3.5, 600
WASHINGTON, DC 20010
District of Columbia (202) 476-3670
GINA JIN LEE PHARMD
Pharmacist (Pharmacotherapy)
111 MICHIGAN AVE NW
WASHINGTON, DC 20010
District of Columbia (202) 476-4080

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 Gravley's NPI number?

The NPI number for William Gravley is 1962025775. It was assigned to this individual provider in the NPPES registry on May 27, 2020.

Where is William Gravley located?

William Gravley practices at 111 Michigan Ave NW, Washington, DC 20010. The listed phone number is (888) 884-2327.

What is William Gravley's specialty?

The primary specialty registered for this NPI is Pediatrics with taxonomy code 208000000X.

Is William Gravley enrolled in Medicare?

Yes. William Gravley is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for William Gravley's services?

According to the CMS Revalidation Reassignment List (October 2026 release), William Gravley reassigns Medicare benefits to Children's Hospital (Washington, DC). 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 Gravley's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

When was this NPI record last updated?

The NPPES record for William Gravley was last updated on March 16, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 7 months 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.