Physician Profile
Unclaimed ProfileAbout OPPER
Frederick Opper, MD practices gastroenterology in Wilmington, NC. Frederick is a 1983 graduate of R Franklin University of Med & Sci/Chicago Medical School. According to Medicare claims data, Frederick cared for 810 Medicare patients across 871 services.
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
Common questions
What is Dr. Opper's specialty?
Dr. Opper is a gastroenterology in Wilmington, NC. This is the primary taxonomy recorded against the NPI in the federal registry, listed there as “GASTROENTEROLOGY”.
NPI registry
Where can I find Dr. Opper?
Dr. Opper is listed at 1520 PHYSICIANS DR STE B, Wilmington, NC 28401. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How do I contact Dr. Opper?
The number on file is (910) 662-8300. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
What is Dr. Opper's NPI number?
Dr. Opper's National Provider Identifier is 1699769448. 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
What is Dr. Opper's medical education?
Dr. Opper attended R Franklin University of Med & Sci/Chicago Medical School, graduating in 1983. This comes from the CMS National Downloadable File.
CMS public data
How long has Dr. Opper been practicing?
Dr. Opper has 43 years experience. Calculated from a graduation year of 1983, reported in the CMS National Downloadable File.
CMS public data
What is Dr. Opper known for?
According to Medicare billing data, Dr. Opper performs procedures including biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope, biopsy of large bowel using a flexible endoscope and removal of polyps or growths of large bowel using an endoscope with mechanical snare; provides treatments such as infusion into a vein for therapy, prevention, or diagnosis, 1 hour or less, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Has Dr. Opper confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Opper. If this is you, claiming it is free.
Guide.md
Licensing & Certification
Source: NPPES NPI Registry
Contact Information
- (910) 662-8300
- Email not available
Practice Locations
1520 PHYSICIANS DR STE B
Wilmington, NC 28401
Procedures Most Often Billed to Medicare
871 services · 810 patients · 19 distinct codes
| Procedure | Type | Code | Services |
|---|---|---|---|
| Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope | Procedure | 43239 |
111 |
| Biopsy of large bowel using a flexible endoscope | Procedure | 45380 |
110 |
| Removal of polyps or growths of large bowel using an endoscope with mechanical snare | Procedure | 45385 |
70 |
| Diagnostic exam of large bowel using a flexible endoscope | Procedure | 45378 |
53 |
| Insertion of needle into vein for collection of blood sample | Procedure | 36415 |
47 |
| Diagnostic exam of esophagus, stomach, and/or upper small bowel using a flexible endoscope | Procedure | 43235 |
31 |
| Balloon dilation of esophagus, stomach, and/or upper small bowel using a flexible endoscope, less than 3.0 cm | Procedure | 43249 |
30 |
| Infusion into a vein for therapy, prevention, or diagnosis, 1 hour or less | Treatment | 96365 |
19 |
| Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes | Office visit | 99233 |
58 |
| Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more | Office visit | 99214 |
53 |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
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Claim this profileRelated providers
Connections drawn from the registry and from what providers have told us. A link here is not a referral or an endorsement.
Other gastroenterology specialists at this location 7
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 gastroenterology specialists in Wilmington 6
Same specialty, same city.
More connections — 24 related providers in 3 groups
Trained at R Franklin University of Med & Sci/Chicago Medical School 8
Other providers in the same specialty who trained at the same institution.
Class of 1983 at R Franklin University of Med & Sci/Chicago Medical School 8
Providers who graduated from the same medical school in the same year.
Also performs Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope 8
Providers in NC who bill this service to Medicare most often.
Provider data sourced from the NPPES NPI Registry and CMS public datasets. Information is provided for reference and is not medical advice.