Catherine Bach, D.O.
NPI 1649711292 · Family Medicine Physician · Lake Forest, IL
Enrolled with Medicare as Practitioner - Family Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Catherine Bach, D.O. is a Family Medicine Physician provider in Lake Forest, IL (NPI 1649711292).
Provider details
- NPI number
- 1649711292
- Entity type
- Individual
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- D.O.
- Sex
- Female
- Sole proprietor
- Yes
- License
- 036151551 (IL)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure33% of score
9 yrs in NPPES registry
- Profile completeness33% of score
100% of core fields populated
- Practice footprint20% of score
1 documented practice location
- Open Payments transparency13% of score
Has Open Payments disclosures (2024)
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 · 7 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 51 | 29 |
| Amlodipine Besylate | 26 | — |
| Lisinopril | 16 | — |
| Fluticasone Propionate | 13 | — |
| Losartan Potassium | 13 | — |
| Losartan/Hydrochlorothiazidebrand: Losartan-Hydrochlorothiazide | 13 | — |
| Ezetimibe | 12 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$67 across 2 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
Registry dates
- Enumerated
- 2017-03-15
- Last updated
- 2025-06-26
- Certified
- 2025-06-26
Frequently asked questions
- What is Catherine Bach's NPI number?
- Catherine Bach's National Provider Identifier (NPI) is 1649711292, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Catherine Bach's specialty?
- Catherine Bach is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Catherine Bach located?
- Catherine Bach's practice location on file with NPPES is 900 N Westmoreland Rd Ste 220, Lake Forest, IL 60045-1681.
- What is Catherine Bach's phone number?
- The practice phone number listed in the NPPES registry for Catherine Bach is (847) 535-8060.
- Does Catherine Bach accept Medicare?
- Catherine Bach is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Catherine Bach's NPI active?
- Yes — Catherine Bach's NPI (1649711292) is active in the NPPES registry as of the last update on 2025-06-26.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.