Nels Carroll
NPI 1396122099 · Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician · Thousand Oaks, CA
Enrolled with Medicare as Practitioner - Cardiac Surgery · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Nels Carroll is a Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician provider in Thousand Oaks, CA (NPI 1396122099).
Provider details
- NPI number
- 1396122099
- Entity type
- Individual
- Primary specialty
- Thoracic Surgery (Cardiothoracic Vascular Surgery) PhysicianAllopathic & Osteopathic Physicians
- Sex
- Male
- Sole proprietor
- No
- License
- MD61172512 (WA)
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
11 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
114 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 High Level of Medical Decision Making, If Using Time, 40 Minutes Or More99215 | 35 | $148 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 35 Minutes99232 | 25 | $81 |
| Replacement of Aortic Valve Through the Skin and Femoral Artery33361 | 15 | $732 |
| Initial Hospital Care With Straightforward Or Low-Level Medical Decision Making, If Using Time, at Least 55 Minutes99222 | 14 | $134 |
| Initial Hospital Care With Moderate Level of Medical Decision Making, If Using Time, at Least 75 Minutes99223 | 13 | $176 |
| Removal of Lymph Nodes of Chest Cavity Using an Endoscope32674 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$9,940 across 83 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
- 2015-05-01
- Last updated
- 2024-02-22
- Certified
- 2024-02-22
Frequently asked questions
- What is Nels Carroll's NPI number?
- Nels Carroll's National Provider Identifier (NPI) is 1396122099, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Nels Carroll's specialty?
- Nels Carroll is listed in the NPPES registry with a primary specialty of Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician (Allopathic & Osteopathic Physicians).
- Where is Nels Carroll located?
- Nels Carroll's practice location on file with NPPES is 227 W Janss Rd Ste 340, Thousand Oaks, CA 91360-1879.
- What is Nels Carroll's phone number?
- The practice phone number listed in the NPPES registry for Nels Carroll is (805) 852-9100.
- Does Nels Carroll accept Medicare?
- Nels Carroll is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Nels Carroll's NPI active?
- Yes — Nels Carroll's NPI (1396122099) is active in the NPPES registry as of the last update on 2024-02-22.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.