Alyssa Imperatore Ziehm, DO
NPI 1134657760 · Surgical Critical Care Physician · Bradenton, FL
Enrolled with Medicare as Practitioner - General Surgery · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Alyssa Imperatore Ziehm, DO is a Surgical Critical Care Physician provider in Bradenton, FL (NPI 1134657760).
Provider details
- NPI number
- 1134657760
- Entity type
- Individual
- Primary specialty
- Surgical Critical Care PhysicianAllopathic & Osteopathic Physicians
- Credential
- DO
- Sex
- Female
- Sole proprietor
- No
- License
- OS17916 (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
9 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
249 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 50 Minutes99233 | 94 | $111 |
| Initial Hospital Care With Moderate Level of Medical Decision Making, If Using Time, at Least 75 Minutes99223 | 52 | $165 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 35 Minutes99232 | 49 | $76 |
| Initial Hospital Care With Straightforward Or Low-Level Medical Decision Making, If Using Time, at Least 55 Minutes99222 | 24 | $128 |
| Hospital Discharge Day Management, 30 Minutes Or Less99238 | 15 | $77 |
| Critical Care, First 30-74 Minutes99291 | 15 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$63 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
Registry dates
- Enumerated
- 2017-05-26
- Last updated
- 2024-08-16
- Certified
- 2024-08-16
Frequently asked questions
- What is Alyssa Imperatore Ziehm's NPI number?
- Alyssa Imperatore Ziehm's National Provider Identifier (NPI) is 1134657760, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Alyssa Imperatore Ziehm's specialty?
- Alyssa Imperatore Ziehm is listed in the NPPES registry with a primary specialty of Surgical Critical Care Physician (Allopathic & Osteopathic Physicians).
- Where is Alyssa Imperatore Ziehm located?
- Alyssa Imperatore Ziehm's practice location on file with NPPES is 2010 59th St W, Bradenton, FL 34209-4616.
- What is Alyssa Imperatore Ziehm's phone number?
- The practice phone number listed in the NPPES registry for Alyssa Imperatore Ziehm is (941) 794-5621.
- Does Alyssa Imperatore Ziehm accept Medicare?
- Alyssa Imperatore Ziehm is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Alyssa Imperatore Ziehm's NPI active?
- Yes — Alyssa Imperatore Ziehm's NPI (1134657760) is active in the NPPES registry as of the last update on 2024-08-16.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.