Loritz Chavez, M.D.
NPI 1801816517 · Hospitalist Physician · Milwaukee, WI
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Loritz Chavez, M.D. is a Hospitalist Physician provider in Milwaukee, WI (NPI 1801816517).
Provider details
- NPI number
- 1801816517
- Entity type
- Individual
- Primary specialty
- Hospitalist PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Female
- Sole proprietor
- Yes
- License
- 036087770 (IL)
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 tenure25% of score
19 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
3 documented practice locations
- Medicare service volume (vs. specialty peers)25% of score
1,215 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) |
|---|---|---|
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 35 Minutes99232 | 443 | $76 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 50 Minutes99233 | 368 | $115 |
| Hospital Discharge Day Management, More Than 30 Minutes99239 | 293 | $109 |
| Subsequent Hospital Care With Straightforward Or Low Level of Medical Decision Making, Per Day, If Using Time, at Least 25 Minutes99231 | 73 | $48 |
| Initial Hospital Care With Moderate Level of Medical Decision Making, If Using Time, at Least 75 Minutes99223 | 38 | $167 |
Typical Medicare-allowed amounts for these services range $48–$167 (2024). The Medicare-allowed amount is what Medicare recognizes for a service under fee-for-service — a reference figure for 2024, 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 · 70 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Pantoprazole Sodium | 290 | 124 |
| Metoprolol Succinate | 145 | 60 |
| Amlodipine Besylate | 134 | 61 |
| Montelukast Sodium | 118 | 39 |
| Lisinopril | 103 | 35 |
| Rosuvastatin Calcium | 90 | 26 |
| Apixaban |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$301 across 15 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
Additional practice locations (2)
- 1000 Health Center DrMattoon, IL 61938-4644Phone: (217) 238-4325Fax: (217) 348-4290
- 800 E Carpenter StSpringfield, IL 62769-2906Phone: (217) 321-9321
Registry dates
- Enumerated
- 2006-07-19
- Last updated
- 2022-01-20
- Certified
- 2022-01-20
Frequently asked questions
- What is Loritz Chavez's NPI number?
- Loritz Chavez's National Provider Identifier (NPI) is 1801816517, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Loritz Chavez's specialty?
- Loritz Chavez is listed in the NPPES registry with a primary specialty of Hospitalist Physician (Allopathic & Osteopathic Physicians).
- Where is Loritz Chavez located?
- Loritz Chavez's practice location on file with NPPES is 2025 E Newport Ave, Milwaukee, WI 53211-2906.
- What is Loritz Chavez's phone number?
- The practice phone number listed in the NPPES registry for Loritz Chavez is (414) 961-4426.
- Does Loritz Chavez accept Medicare?
- Loritz Chavez is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Loritz Chavez's NPI active?
- Yes — Loritz Chavez's NPI (1801816517) is active in the NPPES registry as of the last update on 2022-01-20.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.