WILLIAM ESDORN OQUINN JR. MD
NPI 1700990587
Family Medicine in Port Royal, SC
About William Esdorn Oquinn Jr. Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
WILLIAM ESDORN OQUINN JR. MD (NPI 1700990587) is an individual family medicine provider in Port Royal, South Carolina, licensed in South Carolina (31284) and active in the NPI registry since August 2006. He is enrolled in Medicare PECOS and is a graduate of Other (1999).
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
William Esdorn Oquinn 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.
Medicare Billing Reassignments
8Medicare enrollment records show William Oquinn reassigns Medicare billing to 8 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Savannah, GA 31419
- Reassigned Medicare billing, Georgia enrollment
- 9 clinicians in this Medicare group
Goose Creek, SC 29445
- Reassigned Medicare billing, South Carolina enrollment
- 55 clinicians in this Medicare group
Anderson, SC 29621
- Reassigned Medicare billing, South Carolina enrollment
- 133 clinicians in this Medicare group
West Palm Beach, FL 33409
- Reassigned Medicare billing, Florida enrollment
- 373 clinicians in this Medicare group
Sterling, VA 20164
- Reassigned Medicare billing, Virginia enrollment
- 42 clinicians in this Medicare group
Greenwood Village, CO 80121
- Reassigned Medicare billing, Colorado enrollment
- 32 clinicians in this Medicare group
Salt Lake City, UT 84104
- Reassigned Medicare billing, Utah enrollment
- 25 clinicians in this Medicare group
Henderson, NV 89052
- Reassigned Medicare billing, Nevada enrollment
- 107 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 8
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.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 29935 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Medicare Quality Performance CMS QPP · MIPS
Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.
Other Providers at the Same Location NPPES 11
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 William Oquinn's NPI number?
The NPI number for William Oquinn is 1700990587. It was assigned to this individual provider in the NPPES registry on August 18, 2006.
Where is William Oquinn located?
William Oquinn practices at 1510 Ribaut Rd, Port Royal, SC 29935. The listed phone number is (843) 770-0676.
What is William Oquinn's specialty?
The primary specialty registered for this NPI is Family Medicine with taxonomy code 207Q00000X.
Is William Oquinn enrolled in Medicare?
Yes. William Oquinn 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 organizations bill Medicare for William Oquinn's services?
According to the CMS Revalidation Reassignment List (October 2026 release), William Oquinn reassigns Medicare benefits to 8 organizations: Georgia Carenow Urgent Care LLC (Savannah, GA), Charleston Carenow Urgent Care, LLC (Goose Creek, SC), Novant Health Urgent Cares LLC (Anderson, SC), MD Now Medical Centers Inc (West Palm Beach, FL), Northern Virginia Carenow Urgent Care, LLC (Sterling, VA) and 3 more organizations, listed in the Medicare section above. 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 William Oquinn's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does William Oquinn accept?
Health plans from First Choice Next list William Oquinn 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 William Oquinn was last updated on October 31, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 23 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.
# William Esdorn Oquinn Jr., MD · NPI 1700990587
Family Medicine physician in Port Royal, South Carolina. Individual provider, active in the CMS NPPES registry since August 18, 2006.
## Identity
- **NPI:** 1700990587 (Entity type: Individual)
- **Enumerated:** August 18, 2006
- **Primary specialty:** Family Medicine · taxonomy 207Q00000X
- **State license:** 31284 (South Carolina)
- **Sole proprietor:** No
## Practice location
- **Address:** 1510 RIBAUT RD, Port Royal, SC 29935-1403
- **Phone:** (843) 770-0676
## 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:** 8 organizations under Medicare reassignment (form CMS-855R): Georgia Carenow Urgent Care LLC (NPI 1154298784, Savannah, GA); Charleston Carenow Urgent Care, LLC (NPI 1093248288, Goose Creek, SC); Novant Health Urgent Cares LLC (NPI 1841026382, Anderson, SC); MD Now Medical Centers Inc (NPI 1033195474, West Palm Beach, FL); Northern Virginia Carenow Urgent Care, LLC (NPI 1548702616, Sterling, VA); and 3 more · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 1999
## Record status
- **NPPES last updated:** October 31, 2024
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Source: [NPI Profile](https://npiprofile.com/npi/1700990587) · Data from the CMS NPPES public registry.