WILLIAM ENNIS OAKLEY JR. M.D.
NPI 1629077482
Family Medicine in Winter Park, FL

Q: What is William Oakley's NPI number?

The NPI number for William Oakley is 1629077482. It was assigned to this individual provider in the NPPES registry on July 14, 2005.

Q: What is William Oakley's specialty?

The primary specialty registered for this NPI is Family Medicine with taxonomy code 207Q00000X.

Q: When was this NPI record last updated?

The NPPES record for William Oakley was last updated on February 24, 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.

Active since July 14, 2005PECOS EnrolledAccepts Medicare Assignment

839 N ORLANDO AVE, WINTER PARK, FL 32789(866) 389-2727 Get Directions Write a Review

NPPES record last updated: February 24, 2026. Verified against the NPPES registry weekly; last sync: October 18, 2026.

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About William Ennis Oakley Jr. M.d. NPPES

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

WILLIAM ENNIS OAKLEY JR. M.D. (NPI 1629077482) is an individual family medicine provider in Winter Park, Florida, licensed in Florida (ME0068067) and active in the NPI registry since July 2005. He is enrolled in Medicare PECOS, is affiliated with Adventhealth Orlando, and is a graduate of Brody School Of Medicine At East Carolina University (1992).

NPPES Registry Identity

NPI1629077482

Entity TypeIndividualMale

Primary Taxonomy207Q00000X

Provider Legal NameWILLIAM ENNIS OAKLEY JR.Credential: M.D.

Location Address839 N ORLANDO AVEWinter Park, FL 32789-2921

Mailing Address839 N Orlando AveWinter Park, FL 32789-2921 · (866) 389-2727

Phone(866) 389-2727

Sole ProprietorNo

Medical School CMSBrody School Of Medicine At East Carolina UniversityGraduated 1992

Enumeration DateJuly 14, 2005

Last NPPES UpdateFebruary 24, 2026

NPPES CertifiedFebruary 24, 2026

✔ NPI 1629077482 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyFamily MedicineAllopathic & Osteopathic Physicians

Taxonomy Code207Q00000X

License✔ Licensed in FL · ME0068067

Definition

Family Medicine is the medical specialty which is concerned with the total health care of the individual and the family. It is the specialty in breadth which integrates the biological, clinical, and behavioral sciences. The scope of family medicine is not limited by age, sex, organ system, or disease entity.

839 N ORLANDO AVE, Winter Park, FL 32789

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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 Ennis Oakley Jr. M.d. 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 ID5799857025

PECOS Enrollment IDI20080702000271

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 Oakley reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Adventist Health System /Sunbelt, Inc.

0.9 mi

Urgent Care

2325 W FAIRBANKS AVE STE 2
Winter Park, FL 32789

Reassigned Medicare billing, Florida enrollment
284 clinicians in this Medicare group

NPI 1003547688 (407) 200-2300

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

Hospital Affiliations CMS Care Compare

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Adventhealth Orlando

Acute Care Hospitals · Orlando, FL

3/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number100007

Location601 E Rollins StOrlando, FL 32803 · Orange County

Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 32789 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

$87.62 typical visit price

range $56.00 – $171.84

Typical copayment $21.90 (range $14.00 – $42.96)

Most-billed visit code 99203

Established Patient

$99.16 typical visit price

range $17.57 – $139.16

Typical copayment $24.79 (range $4.39 – $34.79)

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 16

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

THUY ANH LAI

Nurse Practitioner (Family)