Louis Geeraerts, MD
NPI 1770500639 · Hematology & Oncology Physician · Fargo, ND
Enrolled with Medicare as Practitioner - Hematology/Oncology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Louis Geeraerts, MD is a Hematology & Oncology Physician provider in Fargo, ND (NPI 1770500639).
Provider details
- NPI number
- 1770500639
- Entity type
- Individual
- Primary specialty
- Hematology & Oncology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 31857 (MN)
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
2 documented practice locations
- Medicare service volume (vs. specialty peers)28% of score
323 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 High Level of Medical Decision Making, If Using Time, 40 Minutes Or More99215 | 84 | $135 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 75 | $92 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 54 | $105 |
| Established Patient Office Or Other Outpatient Visit With High Level of Medical Decision Making, If Using Time, 40 Minutes Or More99215 | 40 | $157 |
| New Patient Office Or Other Outpatient Visit With a High Level of Medical Decision Making, If Using Time, 60 Minutes Or More99205 | 30 | $171 |
| 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 · 34 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Apixabanbrand: Eliquis | 86 | 17 |
| Potassium Chloride | 64 | 17 |
| Hydroxyurea | 37 | — |
| Gabapentin | 35 | 14 |
| Omeprazole | 33 | — |
| Rivaroxabanbrand: Xarelto | 32 | — |
| Levothyroxine Sodium | 27 |
Practice location
Mailing address
Additional practice locations (1)
- 820 4th St NFargo, ND 58122-0001Phone: (701) 234-2337Fax: (701) 234-3861
Registry dates
- Enumerated
- 2006-07-16
- Last updated
- 2024-08-06
- Certified
- 2024-08-06
Frequently asked questions
- What is Louis Geeraerts's NPI number?
- Louis Geeraerts's National Provider Identifier (NPI) is 1770500639, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Louis Geeraerts's specialty?
- Louis Geeraerts is listed in the NPPES registry with a primary specialty of Hematology & Oncology Physician (Allopathic & Osteopathic Physicians).
- Where is Louis Geeraerts located?
- Louis Geeraerts's practice location on file with NPPES is 1702 University Dr S, Fargo, ND 58103-4940.
- What is Louis Geeraerts's phone number?
- The practice phone number listed in the NPPES registry for Louis Geeraerts is (701) 364-8900.
- Does Louis Geeraerts accept Medicare?
- Louis Geeraerts is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Louis Geeraerts's NPI active?
- Yes — Louis Geeraerts's NPI (1770500639) is active in the NPPES registry as of the last update on 2024-08-06.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.