Thomas Hahn, MD
NPI 1912290594 · Family Medicine Physician · Verona, WI
Enrolled with Medicare as Practitioner - Family Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Thomas Hahn, MD is a Family Medicine Physician provider in Verona, WI (NPI 1912290594).
Provider details
- NPI number
- 1912290594
- Entity type
- Individual
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 59833 (WI)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
15 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
348 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) |
|---|---|---|
| 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 | 98 | $15 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 85 | $121 |
| Insertion of Needle Into Vein for Collection of Blood Sample36415 | 80 | $9 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 50 | $85 |
| Admn Sarscov2 Vacc 1 Dose90480 | 12 | $41 |
| Routine Electrocardiogram (ecg) Using at Least 12 Leads With Tracing |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 46 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 87 | 24 |
| Lisinopril | 86 | 20 |
| Amlodipine Besylate | 85 | 24 |
| Tamsulosin Hcl | 80 | 19 |
| Simvastatin | 67 | 16 |
| Apixabanbrand: Eliquis | 67 | — |
| Levothyroxine Sodium |
Practice location
Mailing address
Registry dates
- Enumerated
- 2011-05-16
- Last updated
- 2021-02-01
- Certified
- 2021-02-01
Frequently asked questions
- What is Thomas Hahn's NPI number?
- Thomas Hahn's National Provider Identifier (NPI) is 1912290594, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Thomas Hahn's specialty?
- Thomas Hahn is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Thomas Hahn located?
- Thomas Hahn's practice location on file with NPPES is 100 N Nine Mound Rd, Verona, WI 53593-1032.
- What is Thomas Hahn's phone number?
- The practice phone number listed in the NPPES registry for Thomas Hahn is (608) 845-9531.
- Does Thomas Hahn accept Medicare?
- Thomas Hahn is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Thomas Hahn's NPI active?
- Yes — Thomas Hahn's NPI (1912290594) is active in the NPPES registry as of the last update on 2021-02-01.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.