Mona Lazar, D.O.
NPI 1316085889 · Internal Medicine Physician · Madison, WI
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Mona Lazar, D.O. is a Internal Medicine Physician provider in Madison, WI (NPI 1316085889).
Provider details
- NPI number
- 1316085889
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- D.O.
- Sex
- Female
- Sole proprietor
- No
- License
- 036-116889 (IL)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
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 tenure28% of score
19 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
3 documented practice locations
- Medicare service volume (vs. specialty peers)28% of score
371 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) |
|---|---|---|
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 35 Minutes99232 | 128 | $73 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 50 Minutes99233 | 100 | $110 |
| Hospital Discharge Day Management, More Than 30 Minutes99239 | 64 | $106 |
| Initial Hospital Care With Moderate Level of Medical Decision Making, If Using Time, at Least 75 Minutes99223 | 24 | $160 |
| Initial Hospital Care With Straightforward Or Low-Level Medical Decision Making, If Using Time, at Least 55 Minutes99222 | 20 | $120 |
| Hospital Discharge Day Management, 30 Minutes Or Less99238 | 18 |
Practice location
Mailing address
Additional practice locations (2)
- 1000 Mineral Point AveJanesville, WI 53548-2982Phone: (608) 756-6868
- 855 N Westhaven DrOshkosh, WI 54904-7668Phone: (920) 456-6000
Registry dates
- Enumerated
- 2007-02-04
- Last updated
- 2024-11-20
- Certified
- 2024-11-20
Frequently asked questions
- What is Mona Lazar's NPI number?
- Mona Lazar's National Provider Identifier (NPI) is 1316085889, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mona Lazar's specialty?
- Mona Lazar is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Mona Lazar located?
- Mona Lazar's practice location on file with NPPES is 202 S Park St, Madison, WI 53715-1507.
- What is Mona Lazar's phone number?
- The practice phone number listed in the NPPES registry for Mona Lazar is (608) 417-6000.
- Does Mona Lazar accept Medicare?
- Mona Lazar is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Mona Lazar's NPI active?
- Yes — Mona Lazar's NPI (1316085889) is active in the NPPES registry as of the last update on 2024-11-20.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.