Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

SYLVIA G. OPPONG-ANTWI CRNP
NPI 1942631957
Nurse Practitioner in Lewes, DE

Q: What is Sylvia Oppong-antwi's NPI number?

The NPI number for Sylvia Oppong-antwi is 1942631957. It was assigned to this individual provider in the NPPES registry on December 2, 2013.

Q: What is Sylvia Oppong-antwi's specialty?

The primary specialty registered for this NPI is Nurse Practitioner with taxonomy code 363L00000X.

Active since December 02, 2013PECOS EnrolledAccepts Medicare Assignment

33663 BAYVIEW MEDICAL DR UNIT 2, LEWES, DE 19958(302) 645-9325(302) 644-7162 Get Directions Write a Review

NPPES record last updated: June 16, 2026. Verified against the NPPES registry weekly; last sync: August 02, 2026.

Record update history: Nov 6, 2024, Mar 30, 2017 (2 updates tracked since 2017).

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About Sylvia G. Oppong-antwi Crnp NPPES

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

SYLVIA G. OPPONG-ANTWI CRNP (NPI 1942631957) is an individual nurse practitioner in Lewes, Delaware, licensed in Delaware (LG-0012419) and active in the NPI registry since December 2013. She is enrolled in Medicare PECOS, maintains 3 additional practice locations, and is a graduate of Other (2013).

NPPES Registry Identity

NPI1942631957

Entity TypeIndividualFemale

Primary Taxonomy363L00000X

Provider Legal NameSYLVIA G. OPPONG-ANTWICredential: CRNP

Location Address33663 BAYVIEW MEDICAL DR UNIT 2Lewes, DE 19958-1663

Mailing Address1515 Savannah RdLewes, DE 19958-1675 · (302) 645-3499 · Fax (302) 644-4830

Phone(302) 645-9325

Fax(302) 644-7162

Sole ProprietorNo

Medical School CMSOtherGraduated 2013

Enumeration DateDecember 2, 2013

Last NPPES UpdateJune 16, 20262 updates tracked since enumeration

NPPES CertifiedJune 16, 2026

✔ NPI 1942631957 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyNurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers

Taxonomy Code363L00000X

License✔ Licensed in DE · LG-0012419

Definition

(1) A registered nurse provider with a graduate degree in nursing prepared for advanced practice involving independent and interdependent decision making and direct accountability for clinical judgment across the health care continuum or in a certified specialty. (2) A registered nurse who has completed additional training beyond basic nursing education and who provides primary health care services in accordance with state nurse practice laws or statutes. Tasks performed by nurse practitioners vary with practice requirements mandated by geographic, political, economic, and social factors. Nurse practitioner specialists include, but are not limited to, family nurse practitioners, gerontological nurse practitioners, pediatric nurse practitioners, obstetric-gynecologic nurse practitioners, and school nurse practitioners.

Also ListedNurse Practitioner · FamilyTaxonomy 363LF0000X · License F338612-1 (NY), SP013087 (PA)

33663 BAYVIEW MEDICAL DR UNIT 2, Lewes, DE 19958

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Secondary Practice Locations 3

Location 132556 Doc's Place, Unit 12Millville, DE 19967 · Phone (302) 645-9325 · Fax (888) 987-4534

Location 218947 John J Williams HwyRehoboth Beach, DE 19971-4474 · Phone (302) 645-9325 · Fax (888) 987-4534

Location 3424 Savannah RdLewes, DE 19958-1462 · Phone (302) 645-9325 · Fax (888) 987-4534

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Highmark Blue Cross Blue Shield Delaware.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Sylvia G. Oppong-antwi Crnp 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 ID8426272949

PECOS Enrollment IDI20231127000393

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.

Areas of Expertise CMS Part B claims 5

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.

Subsequent hospital care with straightforward or low level of medical decision making, per day, if using time, at least 25 minutes 99231

Follow-up hospital inpatient care is a daily service where a healthcare professional checks on your health progress during your hospital stay. Each session typically lasts 15 minutes, involving updates on your condition and adjustments to your treatment plan, if necessary.

108 services81 patients

Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 99232

Follow-up hospital inpatient care involves daily check-ups while you're admitted in the hospital. Typically, a healthcare provider spends about 25 minutes each day reviewing your condition, adjusting treatment if needed, and answering any questions you might have.

73 services59 patients

Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214

This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.

23 services23 patients

Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 99222

Initial hospital inpatient care is a service where a healthcare provider spends about 50 minutes per day overseeing your care while you're admitted in the hospital. This includes reviewing your health status, planning your treatment, and ensuring your safety and comfort.

16 services16 patients

Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more 99213

This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.

12 services12 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 19958 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

$88.37 typical visit price

range $57.12 – $173.08

Typical copayment $22.09 (range $14.28 – $43.27)

Most-billed visit code 99203

Established Patient

$100.68 typical visit price

range $18.36 – $141.05

Typical copayment $25.17 (range $4.59 – $35.26)

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 6

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

GEOFFREY L BRADEN M.D.

Internal Medicine (Gastroenterology)