Nathan Nartker, MD
NPI 1598269631 · Dermatology Physician · Grand Rapids, MI
Enrolled with Medicare as Practitioner - Dermatology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Nathan Nartker, MD is a Dermatology Physician provider in Grand Rapids, MI (NPI 1598269631).
Provider details
- NPI number
- 1598269631
- Entity type
- Individual
- Primary specialty
- Dermatology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 4301507492 (MI)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
8 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
594 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) |
|---|---|---|
| Destruction of Precancer Skin Growth, 2-14 Growths17003 | 218 | $6 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 88 | $85 |
| Destruction of Precancer Skin Growth, 1 Growth17000 | 81 | $54 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 65 | $117 |
| Destruction of Skin Growth, 1-14 Growths17110 | 32 | $105 |
| Biopsy of Related Skin Growth, First Growth |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 19 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Clobetasol Propionate | 260 | 140 |
| Triamcinolone Acetonide | 151 | 106 |
| Doxycycline Hyclate | 122 | 52 |
| Ketoconazole | 107 | 60 |
| Hydrocortisone | 73 | 47 |
| Dupilumabbrand: Dupixent Pen | 50 | — |
| Fluorouracil | 49 | 45 |
| Fluconazole | 38 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$1,685 across 80 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
- 2018-03-22
- Last updated
- 2025-09-12
- Certified
- 2025-09-12
Frequently asked questions
- What is Nathan Nartker's NPI number?
- Nathan Nartker's National Provider Identifier (NPI) is 1598269631, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Nathan Nartker's specialty?
- Nathan Nartker is listed in the NPPES registry with a primary specialty of Dermatology Physician (Allopathic & Osteopathic Physicians).
- Where is Nathan Nartker located?
- Nathan Nartker's practice location on file with NPPES is 1740 E Paris Ave Se, Grand Rapids, MI 49546-6204.
- What is Nathan Nartker's phone number?
- The practice phone number listed in the NPPES registry for Nathan Nartker is (616) 949-5600.
- Does Nathan Nartker accept Medicare?
- Nathan Nartker is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Nathan Nartker's NPI active?
- Yes — Nathan Nartker's NPI (1598269631) is active in the NPPES registry as of the last update on 2025-09-12.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.