Niels Johnsen, M.D.
NPI 1720345671 · Urology Physician · Nashville, TN
Enrolled with Medicare as Practitioner - Urology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Niels Johnsen, M.D. is a Urology Physician provider in Nashville, TN (NPI 1720345671).
Provider details
- NPI number
- 1720345671
- Entity type
- Individual
- Primary specialty
- Urology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- MD60736958 (WA)
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 tenure25% of score
14 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
439 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
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 .
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) |
|---|---|---|
| Urinalysis, Manual Test81002 | 87 | $3 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 72 | $85 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 69 | $92 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 66 | $113 |
| Diagnostic Exam of Bladder and Urethra Using an Endoscope52000 | 45 | $215 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More |
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 |
|---|---|---|
| Tamsulosin Hcl | 64 | 22 |
| Mirabegronbrand: Myrbetriq | 34 | 13 |
| Finasteride | 28 | — |
| Vibegronbrand: Gemtesa | 27 | 14 |
| Trospium Chloride | 23 | 12 |
| Solifenacin Succinate | 16 | — |
| Sulfamethoxazole/Trimethoprimbrand: Sulfamethoxazole-Trimethoprim | 13 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$387 across 11 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Registry dates
- Enumerated
- 2012-04-17
- Last updated
- 2022-03-21
- Certified
- 2022-03-21
Frequently asked questions
- What is Niels Johnsen's NPI number?
- Niels Johnsen's National Provider Identifier (NPI) is 1720345671, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Niels Johnsen's specialty?
- Niels Johnsen is listed in the NPPES registry with a primary specialty of Urology Physician (Allopathic & Osteopathic Physicians).
- Where is Niels Johnsen located?
- Niels Johnsen's practice location on file with NPPES is 3601 the Vanderbilt Clinic, Nashville, TN 37232-4708.
- What is Niels Johnsen's phone number?
- The practice phone number listed in the NPPES registry for Niels Johnsen is (504) 250-6694.
- Does Niels Johnsen accept Medicare?
- Niels Johnsen is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Niels Johnsen's NPI active?
- Yes — Niels Johnsen's NPI (1720345671) is active in the NPPES registry as of the last update on 2022-03-21.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.