Ty Carroll, MD
NPI 1558312942 · Endocrinology, Diabetes & Metabolism Physician · Madison, WI
Enrolled with Medicare as Practitioner - Endocrinology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Ty Carroll, MD is a Endocrinology, Diabetes & Metabolism Physician provider in Madison, WI (NPI 1558312942).
Provider details
- NPI number
- 1558312942
- Entity type
- Individual
- Primary specialty
- Endocrinology, Diabetes & Metabolism PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 46886 (WI)
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 tenure28% of score
20 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
2 documented practice locations
- Medicare service volume (vs. specialty peers)28% of score
831 Medicare services, 2024 (ranked within specialty)
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 methodology.
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 | 165 | $90 |
| Visit Complexity Inherent to Evaluation and Management Associated With Medical Care Services That Serve As the Continuing Focal Point for All Needed Health Care Services And/Or With Medical Care Services That Are Part of Ongoing Care Related to a Patient'SG2211 | 126 | $15 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 35 Minutes99232 | 103 | $73 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 100 | $123 |
| Visit Complexity Inherent to Evaluation and Management Associated With Medical Care Services That Serve As the Continuing Focal Point for All Needed Health Care Services And/Or With Medical Care Services That Are Part of Ongoing Care Related to a Patient'SG2211 | 63 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 62 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Levothyroxine Sodium | 462 | 150 |
| Atorvastatin Calcium | 206 | 73 |
| Insulin Glargine,hum.rec.anlogbrand: Lantus Solostar | 189 | 69 |
| Metformin Hclbrand: Metformin Hcl Er | 188 | 63 |
| Semaglutidebrand: Ozempic | 172 | 43 |
| Empagliflozinbrand: Jardiance | 138 |
Practice location
Mailing address
Additional practice locations (1)
- W129n7055 Northfield DrDivision of EndocrinologyMenomonee Falls, WI 53051-0538Phone: (262) 253-7155Fax: (262) 253-7140
Registry dates
- Enumerated
- 2006-05-12
- Last updated
- 2025-12-02
- Certified
- 2025-12-02
Frequently asked questions
- What is Ty Carroll's NPI number?
- Ty Carroll's National Provider Identifier (NPI) is 1558312942, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Ty Carroll's specialty?
- Ty Carroll is listed in the NPPES registry with a primary specialty of Endocrinology, Diabetes & Metabolism Physician (Allopathic & Osteopathic Physicians).
- Where is Ty Carroll located?
- Ty Carroll's practice location on file with NPPES is 4621 Eastpark Blvd, Madison, WI 53718-2000.
- What is Ty Carroll's phone number?
- The practice phone number listed in the NPPES registry for Ty Carroll is (608) 916-0300.
- Does Ty Carroll accept Medicare?
- Ty Carroll is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Ty Carroll's NPI active?
- Yes — Ty Carroll's NPI (1558312942) is active in the NPPES registry as of the last update on 2025-12-02.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.