Richard Mayrer, MD
NPI 1023047859 · Emergency Medical Services (Emergency Medicine) Physician · Rhinelander, WI
Enrolled with Medicare as Practitioner - Emergency Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Richard Mayrer, MD is a Emergency Medical Services (Emergency Medicine) Physician provider in Rhinelander, WI (NPI 1023047859).
Provider details
- NPI number
- 1023047859
- Entity type
- Individual
- Primary specialty
- Emergency Medical Services (Emergency Medicine) PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 33531 (WI)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
19 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
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 prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 8 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Prednisone | 23 | 20 |
| Ondansetronbrand: Ondansetron Odt | 16 | 15 |
| Amoxicillin/Potassium Clavbrand: Amoxicillin-Clavulanate Potass | 15 | 14 |
| Hydrocodone/Acetaminophenbrand: Hydrocodone-Acetaminophen | 14 | 14 |
| Doxycycline Monohydrate | 13 | 13 |
| Tramadol Hcl | 13 | 12 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-07-02
- Last updated
- 2007-07-08
Frequently asked questions
- What is Richard Mayrer's NPI number?
- Richard Mayrer's National Provider Identifier (NPI) is 1023047859, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Richard Mayrer's specialty?
- Richard Mayrer is listed in the NPPES registry with a primary specialty of Emergency Medical Services (Emergency Medicine) Physician (Allopathic & Osteopathic Physicians).
- Where is Richard Mayrer located?
- Richard Mayrer's practice location on file with NPPES is 2251 N Shore Dr, Rhinelander, WI 54501-8360.
- What is Richard Mayrer's phone number?
- The practice phone number listed in the NPPES registry for Richard Mayrer is (715) 361-2000.
- Does Richard Mayrer accept Medicare?
- Richard Mayrer is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Richard Mayrer's NPI active?
- Yes — Richard Mayrer's NPI (1023047859) is active in the NPPES registry as of the last update on 2007-07-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.