Richard Rosenberg, MD
NPI 1134205495 · Gastroenterology Physician · Fond Du Lac, WI
Enrolled with Medicare as Practitioner - Gastroenterology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Richard Rosenberg, MD is a Gastroenterology Physician provider in Fond Du Lac, WI (NPI 1134205495).
Provider details
- NPI number
- 1134205495
- Entity type
- Individual
- Primary specialty
- Gastroenterology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 173008 (NY)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Other Service Providers
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
19 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
2 documented practice locations
- Medicare service volume (vs. specialty peers)25% of score
148 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
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 .
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 Large Bowel Using a Flexible Endoscope45380 | 33 | $139 |
| Diagnostic Exam of Esophagus, Stomach, And/Or Upper Small Bowel Using a Flexible Endoscope43235 | 28 | $107 |
| Biopsy of Esophagus, Stomach, And/Or Upper Small Bowel Using a Flexible Endoscope43239 | 24 | $111 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 19 | $126 |
| Removal of Polyps Or Growths of Large Bowel Using an Endoscope With Mechanical Snare45385 | 18 | $224 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 8 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Sodium Chloride/Nahco3/Kcl/Pegbrand: Peg 3350-Electrolyte | 146 | 139 |
| Omeprazole | 116 | 49 |
| Pantoprazole Sodium | 69 | 28 |
| Peg3350/Sod Sulf,bicarb,cl/Kclbrand: Gavilyte-C | 26 | 25 |
| Sucralfate | 25 | 13 |
| Ondansetron Hcl | 16 | 15 |
| Balsalazide Disodium | 13 | — |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$148 across 3 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Additional practice locations (1)
- 161 Fort Washington Ave Ste 212New York, NY 10032-3729Phone: (212) 305-8123Fax: (212) 305-3518
Registry dates
- Enumerated
- 2006-10-30
- Last updated
- 2023-09-07
- Certified
- 2023-09-07
Frequently asked questions
- What is Richard Rosenberg's NPI number?
- Richard Rosenberg's National Provider Identifier (NPI) is 1134205495, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Richard Rosenberg's specialty?
- Richard Rosenberg is listed in the NPPES registry with a primary specialty of Gastroenterology Physician (Allopathic & Osteopathic Physicians).
- Where is Richard Rosenberg located?
- Richard Rosenberg's practice location on file with NPPES is 420 E Division St, Fond Du Lac, WI 54935-4560.
- What is Richard Rosenberg's phone number?
- The practice phone number listed in the NPPES registry for Richard Rosenberg is (920) 926-8570.
- Does Richard Rosenberg accept Medicare?
- Richard Rosenberg is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Richard Rosenberg's NPI active?
- Yes — Richard Rosenberg's NPI (1134205495) is active in the NPPES registry as of the last update on 2023-09-07.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.