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GREGORY WONG DEMEO D.O.
NPI 1497712657
Obstetrics & Gynecology in Newark, DE

Active since April 28, 2006PECOS EnrolledAccepts Medicare Assignment
4745 OGLETOWN STANTON RD, SUITE 106, NEWARK, DE 19713(302) 454-9800(302) 454-6446 Get Directions Write a Review

NPPES record last updated: April 2, 2021. Verified against the NPPES registry weekly; last sync: August 09, 2026.

About Gregory Wong Demeo D.o. NPPES

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

GREGORY WONG DEMEO D.O. (NPI 1497712657) is an individual obstetrics & gynecology provider in Newark, Delaware, licensed in Delaware (C20003423) and active in the NPI registry since April 2006. He is enrolled in Medicare PECOS and is a graduate of Rowan University School Of Osteopathic Medicine (1987).

NPPES Registry Identity

NPI1497712657
Entity TypeIndividualMale
Primary Taxonomy207V00000X
Provider Legal NameGREGORY WONG DEMEOCredential: D.O.
Location Address4745 OGLETOWN STANTON RD, SUITE 106Newark, DE 19713-2067
Mailing Address4735 Ogletown Stanton Rd, Suite 1109Newark, DE 19713-2072 · (302) 454-9800 · Fax (302) 454-6446
Phone(302) 454-9800
Fax(302) 454-6446
Sole ProprietorNo
Medical School CMSRowan University School Of Osteopathic MedicineGraduated 1987
Enumeration DateApril 28, 2006
Last NPPES UpdateApril 2, 2021
NPPES CertifiedApril 2, 2021
✔ NPI 1497712657 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyObstetrics & GynecologyAllopathic & Osteopathic Physicians
Taxonomy Code207V00000X
License✔ Licensed in DE · C20003423
Definition
An obstetrician/gynecologist possesses special knowledge, skills and professional capability in the medical and surgical care of the female reproductive system and associated disorders. This physician serves as a consultant to other physicians and as a primary physician for women.
4745 OGLETOWN STANTON RD, Newark, DE 19713
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Other Identifiers 4

Other304652Coventry
Other056634000Amerihealth
Other4283187Aetna
OtherF39722DE · Blue Cross Blue Shield

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

Gregory Wong Demeo D.o. 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 ID345261426
PECOS Enrollment IDI20051216000347
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 4

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.

Assessment of emotional or behavioral problems 96127
Assessment of emotional or behavioral problems involves a thorough evaluation of your feelings, thoughts, and behaviors. It's a process where professionals study patterns over time to identify potential issues like anxiety, depression, or other mental health conditions.
160 services93 patients
Cervical or vaginal cancer screening; pelvic and clinical breast examination G0101
This procedure involves checking for health issues in the lower abdomen and chest area. It helps identify early signs of certain conditions, increasing the chance for successful treatment. It's a routine check-up that's important for maintaining good health.
160 services160 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.
46 services37 patients
Screening papanicolaou smear; obtaining, preparing and conveyance of cervical or vaginal smear to laboratory Q0091
A Papanicolaou smear, often called a Pap smear, is a test to check for changes in cells. A small sample is gently collected from the lower region and sent to a lab for examination. This helps in early detection of potential health issues.
41 services41 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 19713 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
$131.15 typical visit price
range $57.12 – $173.08
Typical copayment $32.78 (range $14.28 – $43.27)
Most-billed visit code 99204
Established Patient
$71.19 typical visit price
range $18.36 – $141.05
Typical copayment $17.79 (range $4.59 – $35.26)
Most-billed visit code 99213
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.

GABRIELLA LYNN ZACCONE
Physician Assistant
4745 OGLETOWN STANTON RD
NEWARK, DE 19713
New Castle County (302) 744-9645
TODD T MILLER PA C
Physician Assistant (Surgical)
4745 OGLETOWN STANTON RD, SUITE 225
NEWARK, DE 19713
New Castle County (302) 731-2888
GORDON J OSTRUM JR. M.D.
Obstetrics & Gynecology
4745 OGLETOWN STANTON RD, SUITE 106
NEWARK, DE 19713
New Castle County (302) 454-9800
BONNIE O OCONNOR PA C
Physician Assistant (Surgical)
4745 OGLETOWN STANTON RD, SUITE 225
NEWARK, DE 19713
New Castle County (302) 731-2888
PAULETTE HAWS NP
Nurse Practitioner (Neonatal)
4745 OGLETOWN STANTON RD, SUITE 217
NEWARK, DE 19713
New Castle County (302) 733-4387
DR. BERNARD HAIMOWITZ M.D.
Specialist
4745 OGLETOWN STANTON RD
NEWARK, DE 19713
New Castle County (302) 738-5300
FAITH A, BROSCH M.D,
Obstetrics & Gynecology
4745 OGLETOWN STANTON RD, MAP1, SUITE 207
NEWARK, DE 19713
New Castle County (302) 368-9000
ROBERT G LOCKE DO
Pediatrics (Neonatal-Perinatal Medicine)
4745 OGLETOWN STANTON RD, SUITE 217 MEDICAL ARTS PAVILION ONE
NEWARK, DE 19713
New Castle County (302) 733-2374

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 Gregory Demeo's NPI number?

The NPI number for Gregory Demeo is 1497712657. It was assigned to this individual provider in the NPPES registry on April 28, 2006.

Where is Gregory Demeo located?

Gregory Demeo practices at 4745 Ogletown Stanton Rd Suite 106, Newark, DE 19713. The listed phone number is (302) 454-9800.

What is Gregory Demeo's specialty?

The primary specialty registered for this NPI is Obstetrics & Gynecology with taxonomy code 207V00000X.

Is Gregory Demeo enrolled in Medicare?

Yes. Gregory Demeo 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.

What insurance does Gregory Demeo accept?

Health plans from Highmark Blue Cross Blue Shield Delaware list Gregory Demeo 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 Gregory Demeo was last updated on April 2, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 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.