Physician Profile
Unclaimed ProfileAbout DEMEO
Based in Newark, DE, Gregory Wong Demeo, D.O. is listed in the NPI registry under obstetrics/gynecology. Gregory graduated from Rowan University School of Osteopathic Medicine in 1987. Gregory is also listed as specializing in obstetrics & gynecology. Medicare claims data shows Gregory provided 440 services to 360 patients.
Summarised automatically from public NPI registry and CMS Medicare data. Not written or reviewed by this provider. Claim this profile to replace it.
Education & Training
Areas of Expertise
Licensing & Certification
Source: NPPES NPI Registry
Contact Information
- (302) 454-9800
- Email not available
Practice Locations
4745 OGLETOWN STANTON RD SUITE 106
Newark, DE 19713
Procedures Most Often Billed to Medicare
440 services · 360 patients · 5 distinct codes
| Procedure | Type | Code | Services |
|---|---|---|---|
| Assessment of emotional or behavioral problems | Treatment | 96127 |
160 |
| Cervical or vaginal cancer screening; pelvic and clinical breast examination | Billing code | G0101 |
160 |
| Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more | Office visit | 99213 |
46 |
| Screening papanicolaou smear; obtaining, preparing and conveyance of cervical or vaginal smear to laboratory | Billing code | Q0091 |
41 |
| Pelvic exam | Office visit | 99459 |
33 |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Related providers
Connections drawn from the registry and from what providers have told us. A link here is not a referral or an endorsement.
Other obstetrics/gynecology specialists at this location 2
Same specialty, same street address — most likely the same department or group.
Also at this address 4
Providers at the same street address. Each files their own registry entry, so a shared practice often appears under several different names.
Other obstetrics/gynecology specialists in Newark 8
Same specialty, same city.
More connections — 24 related providers in 3 groups
Trained at Rowan University School of Osteopathic Medicine 8
Other providers in the same specialty who trained at the same institution.
Class of 1987 at Rowan University School of Osteopathic Medicine 8
Providers who graduated from the same medical school in the same year.
Also performs Assessment of emotional or behavioral problems 8
Providers in DE who bill this service to Medicare most often.
Common questions
What does Dr. Demeo specialize in?
Dr. Demeo is an obstetrics/gynecology in Newark, DE. This is the primary taxonomy recorded against the NPI in the federal registry, listed there as “OBSTETRICS/GYNECOLOGY”.
NPI registry
Where is Dr. Demeo located?
Dr. Demeo is listed at 4745 OGLETOWN STANTON RD SUITE 106, Newark, DE 19713. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
What is Dr. Demeo's phone number?
The number on file is (302) 454-9800. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
What is the NPI for Dr. Demeo?
Dr. Demeo's National Provider Identifier is 1497712657. It is issued by the Centers for Medicare & Medicaid Services and is unique and permanent — it does not change if they move practice.
NPI registry
Where did Dr. Demeo go to medical school?
Dr. Demeo attended Rowan University School of Osteopathic Medicine, graduating in 1987. This comes from the CMS National Downloadable File.
CMS public data
How much experience does Dr. Demeo have?
Dr. Demeo has 39 years experience. Calculated from a graduation year of 1987, reported in the CMS National Downloadable File.
CMS public data
What does Dr. Demeo do most often?
According to Medicare billing data, Dr. Demeo provides treatments such as assessment of emotional or behavioral problems, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Is Dr. Demeo's profile verified?
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Demeo. If this is you, claiming it is free.
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Claim this profileProvider data sourced from the NPPES NPI Registry and CMS public datasets. Information is provided for reference and is not medical advice.