Joan Filla, MD
NPI 1851396741 · Internal Medicine Physician · La Crosse, WI
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Joan Filla, MD is a Internal Medicine Physician provider in La Crosse, WI (NPI 1851396741).
Provider details
- NPI number
- 1851396741
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- No
- License
- 39197 (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
21 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
365 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) |
|---|---|---|
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 35 Minutes99232 | 151 | $72 |
| Subsequent Hospital Care With Straightforward Or Low Level of Medical Decision Making, Per Day, If Using Time, at Least 25 Minutes99231 | 72 | $45 |
| Initial Hospital Care With Straightforward Or Low-Level Medical Decision Making, If Using Time, at Least 55 Minutes99222 | 69 | $118 |
| Hospital Discharge Day Management, More Than 30 Minutes99239 | 36 | $106 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 50 Minutes99233 | 19 | $109 |
| Initial Hospital Care With Moderate Level of Medical Decision Making, If Using Time, at Least 75 Minutes99223 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 7 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Apixabanbrand: Eliquis | 42 | 16 |
| Metoprolol Succinate | 28 | 12 |
| Atorvastatin Calcium | 26 | — |
| Furosemide | 26 | — |
| Sertraline Hcl | 26 | — |
| Metoprolol Tartrate | 18 | — |
| Quetiapine Fumarate |
Practice location
Mailing address
Registry dates
- Enumerated
- 2005-06-16
- Last updated
- 2016-01-11
Frequently asked questions
- What is Joan Filla's NPI number?
- Joan Filla's National Provider Identifier (NPI) is 1851396741, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Joan Filla's specialty?
- Joan Filla is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Joan Filla located?
- Joan Filla's practice location on file with NPPES is 1836 South Ave, La Crosse, WI 54601-5429.
- What is Joan Filla's phone number?
- The practice phone number listed in the NPPES registry for Joan Filla is (608) 782-7300.
- Does Joan Filla accept Medicare?
- Joan Filla is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Joan Filla's NPI active?
- Yes — Joan Filla's NPI (1851396741) is active in the NPPES registry as of the last update on 2016-01-11.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.