Frederick Opper, MD
NPI 1699769448 · Gastroenterology Physician · Wilmington, NC
Enrolled with Medicare as Practitioner - Gastroenterology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Frederick Opper, MD is a Gastroenterology Physician provider in Wilmington, NC (NPI 1699769448).
Provider details
- NPI number
- 1699769448
- Entity type
- Individual
- Primary specialty
- Gastroenterology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 28676 (NC)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
20 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
5 documented practice locations
- Medicare service volume (vs. specialty peers)28% of score
871 Medicare services, 2024 (ranked within specialty)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Biopsy of Esophagus, Stomach, And/Or Upper Small Bowel Using a Flexible Endoscope43239 | 111 | $86 |
| Biopsy of Large Bowel Using a Flexible Endoscope45380 | 110 | $145 |
| Removal of Polyps Or Growths of Large Bowel Using an Endoscope With Mechanical Snare45385 | 70 | $230 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 50 Minutes99233 | 58 | $111 |
| Diagnostic Exam of Large Bowel Using a Flexible Endoscope45378 | 53 | $169 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 12 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Omeprazole | 49 | 17 |
| Mesalamine | 37 | — |
| Ustekinumabbrand: Stelara | 35 | — |
| Adalimumabbrand: Humira(cf) Pen | 35 | — |
| Pantoprazole Sodium | 33 | 16 |
| Balsalazide Disodium | 24 | — |
| Lipase/Protease/Amylasebrand: Creon | 20 |
Practice location
Mailing address
Additional practice locations (4)
- 5145 S College RdWilmington, NC 28412-2207Phone: (910) 763-5182
- 1520 Physicians DrWilmington, NC 28401-7356Phone: (910) 763-5182
- 1960 S 16th StWilmington, NC 28401-6676Phone: (910) 763-5182
- 7420 Market StWilmington, NC 28411-9453Phone: (910) 763-5182
Registry dates
- Enumerated
- 2005-09-08
- Last updated
- 2021-05-26
- Certified
- 2021-05-26
Frequently asked questions
- What is Frederick Opper's NPI number?
- Frederick Opper's National Provider Identifier (NPI) is 1699769448, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Frederick Opper's specialty?
- Frederick Opper is listed in the NPPES registry with a primary specialty of Gastroenterology Physician (Allopathic & Osteopathic Physicians).
- Where is Frederick Opper located?
- Frederick Opper's practice location on file with NPPES is 1520 Physicians Dr, Wilmington, NC 28401-7356.
- What is Frederick Opper's phone number?
- The practice phone number listed in the NPPES registry for Frederick Opper is (910) 662-8300.
- Does Frederick Opper accept Medicare?
- Frederick Opper is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Frederick Opper's NPI active?
- Yes — Frederick Opper's NPI (1699769448) is active in the NPPES registry as of the last update on 2021-05-26.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.