William Fischer, MD
NPI 1043773534 · Family Medicine Physician · Vadnais Heights, MN
Enrolled with Medicare as Practitioner - Family Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
William Fischer, MD is a Family Medicine Physician provider in Vadnais Heights, MN (NPI 1043773534).
Provider details
- NPI number
- 1043773534
- Entity type
- Individual
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- Yes
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Student, Health Care
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
7 yrs in NPPES registry
- Profile completeness28% of score
83% of core fields populated
- Practice footprint17% of score
2 documented practice locations
- Medicare service volume (vs. specialty peers)28% of score
443 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 | 98 | $125 |
| Insertion of Needle Into Vein for Collection of Blood Sample36415 | 88 | $9 |
| Blood Test, Comprehensive Group of Blood Chemicals80053 | 47 | $10 |
| Established Patient Office Or Other Outpatient Visit With High Level of Medical Decision Making, If Using Time, 40 Minutes Or More99215 | 37 | $175 |
| Hemoglobin A1c Level83036 | 36 | $10 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 31 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 41 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 170 | 62 |
| Losartan Potassium | 118 | 42 |
| Amlodipine Besylate | 93 | 33 |
| Levothyroxine Sodium | 72 | 21 |
| Gabapentin | 65 | 30 |
| Rosuvastatin Calcium | 65 | 21 |
| Lisinopril |
Practice location
Mailing address
Additional practice locations (1)
- 1414 Maryland Ave ESaint Paul, MN 55106-2824Phone: (651) 772-3461
Registry dates
- Enumerated
- 2019-04-10
- Last updated
- 2022-11-23
- Certified
- 2022-11-23
Frequently asked questions
- What is William Fischer's NPI number?
- William Fischer's National Provider Identifier (NPI) is 1043773534, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is William Fischer's specialty?
- William Fischer is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is William Fischer located?
- William Fischer's practice location on file with NPPES is 1155 County Road E E Ste 1, Vadnais Heights, MN 55110-5183.
- What is William Fischer's phone number?
- The practice phone number listed in the NPPES registry for William Fischer is (651) 241-9200.
- Does William Fischer accept Medicare?
- William Fischer is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is William Fischer's NPI active?
- Yes — William Fischer's NPI (1043773534) is active in the NPPES registry as of the last update on 2022-11-23.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.