Thomas Rosenfield, MD
NPI 1770539850 · Gastroenterology Physician · Atlantis, FL
Enrolled with Medicare as Practitioner - Gastroenterology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Thomas Rosenfield, MD is a Gastroenterology Physician provider in Atlantis, FL (NPI 1770539850).
Provider details
- NPI number
- 1770539850
- Entity type
- Individual
- Primary specialty
- Gastroenterology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- ME37886 (FL)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
20 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
1,396 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) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 602 | $129 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 254 | $92 |
| New Patient Office Or Other Outpatient Visit With Moderate Level of Medical Decision Making, If Using Time, 45 Minutes Or More99204 | 157 | $170 |
| Biopsy of Esophagus, Stomach, And/Or Upper Small Bowel Using a Flexible Endoscope43239 | 101 | $78 |
| Removal of Polyps Or Growths of Large Bowel Using an Endoscope With Mechanical Snare45385 | 87 | $254 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 32 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Famotidine | 959 | 312 |
| Omeprazole | 312 | 113 |
| Pantoprazole Sodium | 249 | 85 |
| Sodium, Potassium,mag Sulfatesbrand: Sod Sulf-Potass Sulf-Mag Sulf | 230 | 224 |
| Mesalamine | 61 | 16 |
| Esomeprazole Magnesium | 51 | 19 |
| Linaclotidebrand: Linzess | 48 | 19 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$864 across 38 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
Registry dates
- Enumerated
- 2006-05-26
- Last updated
- 2021-01-15
- Certified
- 2021-01-15
Frequently asked questions
- What is Thomas Rosenfield's NPI number?
- Thomas Rosenfield's National Provider Identifier (NPI) is 1770539850, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Thomas Rosenfield's specialty?
- Thomas Rosenfield is listed in the NPPES registry with a primary specialty of Gastroenterology Physician (Allopathic & Osteopathic Physicians).
- Where is Thomas Rosenfield located?
- Thomas Rosenfield's practice location on file with NPPES is 5401 S Congress Ave, Atlantis, FL 33462-6635.
- What is Thomas Rosenfield's phone number?
- The practice phone number listed in the NPPES registry for Thomas Rosenfield is (561) 964-8221.
- Does Thomas Rosenfield accept Medicare?
- Thomas Rosenfield is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Thomas Rosenfield's NPI active?
- Yes — Thomas Rosenfield's NPI (1770539850) is active in the NPPES registry as of the last update on 2021-01-15.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.