Darren Lokkesmoe, MD
NPI 1164401774 · Internal Medicine Physician · Eau Claire, WI
Enrolled with Medicare as Practitioner - Hospitalist · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Darren Lokkesmoe, MD is a Internal Medicine Physician provider in Eau Claire, WI (NPI 1164401774).
Provider details
- NPI number
- 1164401774
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 39909 (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
20 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
744 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 | 539 | $76 |
| Hospital Discharge Day Management, More Than 30 Minutes99239 | 131 | $111 |
| Initial Hospital Care With Straightforward Or Low-Level Medical Decision Making, If Using Time, at Least 55 Minutes99222 | 40 | $126 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 50 Minutes99233 | 34 | $115 |
Typical Medicare-allowed amounts for these services range $76–$126 (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 · 22 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Apixabanbrand: Eliquis | 44 | 12 |
| Atorvastatin Calcium | 41 | 14 |
| Tamsulosin Hcl | 38 | — |
| Levothyroxine Sodium | 37 | — |
| Metoprolol Tartrate | 30 | 16 |
| Prednisone | 28 | 12 |
| Sertraline Hcl |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-01-12
- Last updated
- 2020-09-10
- Certified
- 2020-09-10
Frequently asked questions
- What is Darren Lokkesmoe's NPI number?
- Darren Lokkesmoe's National Provider Identifier (NPI) is 1164401774, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Darren Lokkesmoe's specialty?
- Darren Lokkesmoe is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Darren Lokkesmoe located?
- Darren Lokkesmoe's practice location on file with NPPES is 733 W Clairemont Ave, Eau Claire, WI 54701-6101.
- What is Darren Lokkesmoe's phone number?
- The practice phone number listed in the NPPES registry for Darren Lokkesmoe is (715) 838-5222.
- Does Darren Lokkesmoe accept Medicare?
- Darren Lokkesmoe is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Darren Lokkesmoe's NPI active?
- Yes — Darren Lokkesmoe's NPI (1164401774) is active in the NPPES registry as of the last update on 2020-09-10.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.