John Schaffhausen, MD
NPI 1912936428 · Family Medicine Physician · Maple Grove, MN
Enrolled with Medicare as Practitioner - Family Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
John Schaffhausen, MD is a Family Medicine Physician provider in Maple Grove, MN (NPI 1912936428).
Provider details
- NPI number
- 1912936428
- Entity type
- Individual
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 43035 (MN)
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
19 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
2,149 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) |
|---|---|---|
| Insertion of Needle Into Vein for Collection of Blood Sample36415 | 304 | $9 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 244 | $124 |
| Blood Test, Basic Group of Blood Chemicals (calcium, Total)80048 | 202 | $8 |
| Blood Test, Lipids (cholesterol and Triglycerides)80061 | 148 | $13 |
| Liver Function Blood Test Panel80076 | 143 | $8 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 139 | $88 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 121 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 669 | 185 |
| Amlodipine Besylate | 540 | 148 |
| Lisinopril | 432 | 122 |
| Losartan Potassium | 321 | 90 |
| Metoprolol Succinate | 314 | 97 |
| Levothyroxine Sodium | 283 | 71 |
| Simvastatin |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-06-30
- Last updated
- 2022-11-09
- Certified
- 2022-11-09
Frequently asked questions
- What is John Schaffhausen's NPI number?
- John Schaffhausen's National Provider Identifier (NPI) is 1912936428, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is John Schaffhausen's specialty?
- John Schaffhausen is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is John Schaffhausen located?
- John Schaffhausen's practice location on file with NPPES is 9825 Hospital Dr Ste 300, Maple Grove, MN 55369-4768.
- What is John Schaffhausen's phone number?
- The practice phone number listed in the NPPES registry for John Schaffhausen is (763) 587-7900.
- Does John Schaffhausen accept Medicare?
- John Schaffhausen is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is John Schaffhausen's NPI active?
- Yes — John Schaffhausen's NPI (1912936428) is active in the NPPES registry as of the last update on 2022-11-09.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.