Joseph Lach, DO
NPI 1225379498 · Family Medicine Physician · Joliet, IL
Enrolled with Medicare as Practitioner - Family Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Joseph Lach, DO is a Family Medicine Physician provider in Joliet, IL (NPI 1225379498).
Provider details
- NPI number
- 1225379498
- Entity type
- Individual
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- DO
- Sex
- Male
- Sole proprietor
- No
- License
- 036138941 (IL)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
13 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
2 documented practice locations
- Medicare service volume (vs. specialty peers)25% of score
2,024 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 | 583 | $131 |
| Insertion of Needle Into Vein for Collection of Blood Sample36415 | 379 | $9 |
| Chronic Care Management Services, First 20 Minutes of Clinical Staff Time Directed By Health Care Professional, Per Calendar Month99490 | 272 | $64 |
| Visit Complexity Inherent to Evaluation and Management Associated With Medical Care Services That Serve As the Continuing Focal Point for All Needed Health Care Services And/Or With Medical Care Services That Are Part of Ongoing Care Related to a Patient'SG2211 | 179 | $17 |
| Annual Wellness Visit, Includes a Personalized Prevention Plan of Service (pps), Subsequent VisitG0439 | 157 | $133 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 109 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 453 | 128 |
| Levothyroxine Sodium | 295 | 73 |
| Amlodipine Besylate | 265 | 73 |
| Lisinopril | 225 | 64 |
| Metoprolol Succinate | 219 | 64 |
| Rosuvastatin Calcium | 194 | 57 |
| Losartan Potassium |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$519 across 29 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 (1)
- 3700 W 203rd St Ste 301Olympia Fields, IL 60461-1182Phone: (708) 679-2850
Registry dates
- Enumerated
- 2013-03-12
- Last updated
- 2021-08-06
- Certified
- 2021-08-06
Frequently asked questions
- What is Joseph Lach's NPI number?
- Joseph Lach's National Provider Identifier (NPI) is 1225379498, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Joseph Lach's specialty?
- Joseph Lach is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Joseph Lach located?
- Joseph Lach's practice location on file with NPPES is 1051 Essington Rd Ste 265, Joliet, IL 60435-2801.
- What is Joseph Lach's phone number?
- The practice phone number listed in the NPPES registry for Joseph Lach is (815) 300-7764.
- Does Joseph Lach accept Medicare?
- Joseph Lach is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Joseph Lach's NPI active?
- Yes — Joseph Lach's NPI (1225379498) is active in the NPPES registry as of the last update on 2021-08-06.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.