John Silkensen, MD
NPI 1215958806 · Nephrology Physician · Minneapolis, MN
Enrolled with Medicare as Practitioner - Nephrology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
John Silkensen, MD is a Nephrology Physician provider in Minneapolis, MN (NPI 1215958806).
Provider details
- NPI number
- 1215958806
- Entity type
- Individual
- Primary specialty
- Nephrology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 0420011657 (VT)
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
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
289 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 | 129 | $85 |
| Established Patient Office Or Other Outpatient Visit With High Level of Medical Decision Making, If Using Time, 40 Minutes Or More99215 | 106 | $128 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 35 Minutes99232 | 43 | $74 |
| Dxa Bone Density Measurement of Hip, Pelvis, Spine77080 | 11 | $9 |
Typical Medicare-allowed amounts for these services range $9–$128 (2024). The Medicare-allowed amount is what Medicare recognizes for a service under fee-for-service — a reference figure for 2024, not a price quote and not what you would be billed. Medicare Part B covers roughly an eighth of all NPIs (65+ skew); services with fewer than 11 beneficiaries are suppressed by CMS. Source: CMS Medicare Physician & Other Practitioners, by Provider & Service.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 31 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 105 | 31 |
| Prednisone | 98 | 29 |
| Amlodipine Besylate | 89 | 19 |
| Carvedilol | 87 | 29 |
| Losartan Potassium | 67 | 19 |
| Cinacalcet Hcl | 67 | 15 |
| Famotidine | 62 | 14 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-07-21
- Last updated
- 2014-06-13
Frequently asked questions
- What is John Silkensen's NPI number?
- John Silkensen's National Provider Identifier (NPI) is 1215958806, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is John Silkensen's specialty?
- John Silkensen is listed in the NPPES registry with a primary specialty of Nephrology Physician (Allopathic & Osteopathic Physicians).
- Where is John Silkensen located?
- John Silkensen's practice location on file with NPPES is 701 Park Ave, Minneapolis, MN 55415-1623.
- What is John Silkensen's phone number?
- The practice phone number listed in the NPPES registry for John Silkensen is (612) 873-6987.
- Does John Silkensen accept Medicare?
- John Silkensen is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is John Silkensen's NPI active?
- Yes — John Silkensen's NPI (1215958806) is active in the NPPES registry as of the last update on 2014-06-13.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.