Louis Nykamp, M.D.
NPI 1053383919 · Psychiatry Physician · Zeeland, MI
Enrolled with Medicare as Practitioner - Psychiatry · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Louis Nykamp, M.D. is a Psychiatry Physician provider in Zeeland, MI (NPI 1053383919).
Provider details
- NPI number
- 1053383919
- Entity type
- Individual
- Primary specialty
- Psychiatry PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- 44789 (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
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
410 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) |
|---|---|---|
| Therapy Using Electrical Currents90870 | 261 | $100 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 35 Minutes99232 | 130 | $75 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 19 | $97 |
Typical Medicare-allowed amounts for these services range $75–$100 (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 · 16 distinct drugs on file.
| Drug | Part D claims (2024) |
|---|---|
| Quetiapine Fumarate | 50 |
| Bupropion Hclbrand: Bupropion Xl | 34 |
| Mirtazapine | 27 |
| Clonazepam | 26 |
| Lamotrigine | 26 |
| Trazodone Hcl | 25 |
| Buspirone Hcl | 23 |
| Aripiprazole | 22 |
| Methylphenidate Hcl | 17 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-02-06
- Last updated
- 2013-06-06
Frequently asked questions
- What is Louis Nykamp's NPI number?
- Louis Nykamp's National Provider Identifier (NPI) is 1053383919, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Louis Nykamp's specialty?
- Louis Nykamp is listed in the NPPES registry with a primary specialty of Psychiatry Physician (Allopathic & Osteopathic Physicians).
- Where is Louis Nykamp located?
- Louis Nykamp's practice location on file with NPPES is 8333 Felch St, Zeeland, MI 49464-1698.
- What is Louis Nykamp's phone number?
- The practice phone number listed in the NPPES registry for Louis Nykamp is (616) 741-3790.
- Does Louis Nykamp accept Medicare?
- Louis Nykamp is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Louis Nykamp's NPI active?
- Yes — Louis Nykamp's NPI (1053383919) is active in the NPPES registry as of the last update on 2013-06-06.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.