Chad Ermis, DO
NPI 1588894018 · Physical Medicine & Rehabilitation Physician · Marinette, WI
Enrolled with Medicare as Practitioner - Physical Medicine and Rehabilitation · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Chad Ermis, DO is a Physical Medicine & Rehabilitation Physician provider in Marinette, WI (NPI 1588894018).
Provider details
- NPI number
- 1588894018
- Entity type
- Individual
- Primary specialty
- Physical Medicine & Rehabilitation PhysicianAllopathic & Osteopathic Physicians
- Credential
- DO
- Sex
- Male
- Sole proprietor
- No
- License
- 036.134891 (IL)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
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
16 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
848 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) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 334 | $119 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 96 | $83 |
| Aspiration And/Or Injection of Fluid Large Joint Using Ultrasound Guidance20611 | 60 | $112 |
| Injection of Anesthetic And/Or Steroid Drug Into Sacral Spine Nerve Root Using Imaging Guidance, Single Level64483 | 58 | $117 |
| New Patient Office Or Other Outpatient Visit With Moderate Level of Medical Decision Making, If Using Time, 45 Minutes Or More99204 | 46 | $156 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 21 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Pregabalin | 332 | 84 |
| Gabapentin | 273 | 77 |
| Tramadol Hcl | 102 | 28 |
| Hydrocodone/Acetaminophenbrand: Hydrocodone-Acetaminophen | 89 | 23 |
| Tizanidine Hcl | 56 | 19 |
| Cyclobenzaprine Hcl | 33 | — |
| Topiramate | 31 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$283 across 4 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
- 2009-07-17
- Last updated
- 2021-12-14
- Certified
- 2021-12-14
Frequently asked questions
- What is Chad Ermis's NPI number?
- Chad Ermis's National Provider Identifier (NPI) is 1588894018, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Chad Ermis's specialty?
- Chad Ermis is listed in the NPPES registry with a primary specialty of Physical Medicine & Rehabilitation Physician (Allopathic & Osteopathic Physicians).
- Where is Chad Ermis located?
- Chad Ermis's practice location on file with NPPES is 3003 University Dr, Marinette, WI 54143-4110.
- What is Chad Ermis's phone number?
- The practice phone number listed in the NPPES registry for Chad Ermis is (715) 735-8027.
- Does Chad Ermis accept Medicare?
- Chad Ermis is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Chad Ermis's NPI active?
- Yes — Chad Ermis's NPI (1588894018) is active in the NPPES registry as of the last update on 2021-12-14.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.