Sean Nonnemaker, D.O
NPI 1245573609 · Internal Medicine Physician · Bradenton, FL
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Sean Nonnemaker, D.O is a Internal Medicine Physician provider in Bradenton, FL (NPI 1245573609).
Provider details
- NPI number
- 1245573609
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- D.O
- Sex
- Male
- Sole proprietor
- No
- License
- OS12880 (FL)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
13 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
3,445 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) |
|---|---|---|
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 35 Minutes99232 | 1,377 | $77 |
| Initial Hospital Care With Straightforward Or Low-Level Medical Decision Making, If Using Time, at Least 55 Minutes99222 | 530 | $128 |
| Subsequent Nursing Facility Care With Straightforward Level of Medical Decision Making, Per Day, If Using Time, 20 Minutes Or More99308 | 522 | $72 |
| Hospital Discharge Day Management, More Than 30 Minutes99239 | 357 | $111 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 173 | $125 |
| Annual Wellness Visit, Includes a Personalized Prevention Plan of Service (pps), Subsequent Visit |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 124 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 396 | 105 |
| Pantoprazole Sodium | 218 | 69 |
| Levothyroxine Sodium | 199 | 43 |
| Gabapentin | 185 | 44 |
| Lisinopril | 178 | 50 |
| Apixabanbrand: Eliquis | 177 | 36 |
| Amlodipine Besylate |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$277 across 11 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
- 2013-04-03
- Last updated
- 2019-02-21
Frequently asked questions
- What is Sean Nonnemaker's NPI number?
- Sean Nonnemaker's National Provider Identifier (NPI) is 1245573609, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Sean Nonnemaker's specialty?
- Sean Nonnemaker is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Sean Nonnemaker located?
- Sean Nonnemaker's practice location on file with NPPES is 250 2nd St E, Bradenton, FL 34208-1029.
- What is Sean Nonnemaker's phone number?
- The practice phone number listed in the NPPES registry for Sean Nonnemaker is (941) 746-4151.
- Does Sean Nonnemaker accept Medicare?
- Sean Nonnemaker is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Sean Nonnemaker's NPI active?
- Yes — Sean Nonnemaker's NPI (1245573609) is active in the NPPES registry as of the last update on 2019-02-21.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.