Mariano Rosales, M.D.
NPI 1982658118 · Adolescent Medicine (Internal Medicine) Physician · Waupun, WI
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Mariano Rosales, M.D. is a Adolescent Medicine (Internal Medicine) Physician provider in Waupun, WI (NPI 1982658118).
Provider details
- NPI number
- 1982658118
- Entity type
- Individual
- Primary specialty
- Adolescent Medicine (Internal Medicine) PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- License
- 21906 (WI)
Specialties & taxonomies
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
49 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 Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 36 | $120 |
| Established Patient Office Or Other Outpatient Visit With High Level of Medical Decision Making, If Using Time, 40 Minutes Or More99215 | 13 | $170 |
Typical Medicare-allowed amounts for these services range $120–$170 (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 · 30 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 71 | 17 |
| Losartan Potassium | 52 | 13 |
| Metoprolol Tartrate | 47 | 17 |
| Metformin Hcl | 46 | 13 |
| Losartan/Hydrochlorothiazidebrand: Losartan-Hydrochlorothiazide | 35 | 12 |
| Metoprolol Succinate | 31 | — |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-05-20
- Last updated
- 2022-07-21
Frequently asked questions
- What is Mariano Rosales's NPI number?
- Mariano Rosales's National Provider Identifier (NPI) is 1982658118, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mariano Rosales's specialty?
- Mariano Rosales is listed in the NPPES registry with a primary specialty of Adolescent Medicine (Internal Medicine) Physician (Allopathic & Osteopathic Physicians).
- Where is Mariano Rosales located?
- Mariano Rosales's practice location on file with NPPES is 600 Fern St, Waupun, WI 53963-1018.
- What is Mariano Rosales's phone number?
- The practice phone number listed in the NPPES registry for Mariano Rosales is (920) 324-3559.
- Does Mariano Rosales accept Medicare?
- Mariano Rosales is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Mariano Rosales's NPI active?
- Yes — Mariano Rosales's NPI (1982658118) is active in the NPPES registry as of the last update on 2022-07-21.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.