Family Medicine for Mchenry County
NPI 1174503510 · Family Medicine Physician · Crystal Lake, IL
Enrolled with Medicare as Part B Supplier - Clinic/Group Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Family Medicine for Mchenry County is a Family Medicine Physician organization in Crystal Lake, IL (NPI 1174503510).
Provider details
- NPI number
- 1174503510
- Entity type
- Organization
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Organization subpart
- No
- Authorized official
- Michael Lesser, President(847) 658-2400
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
20 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
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.
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-01-20
- Last updated
- 2021-05-20
- Certified
- 2021-05-20
Frequently asked questions
- What is Family Medicine for Mchenry County's NPI number?
- Family Medicine for Mchenry County's National Provider Identifier (NPI) is 1174503510, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Family Medicine for Mchenry County?
- Family Medicine for Mchenry County is classified in the NPPES registry as Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Family Medicine for Mchenry County located?
- Family Medicine for Mchenry County's practice location on file with NPPES is 1095 Pingree Rd, Crystal Lake, IL 60014-1725.
- What is Family Medicine for Mchenry County's phone number?
- The practice phone number listed in the NPPES registry for Family Medicine for Mchenry County is (847) 658-2400.
- Does Family Medicine for Mchenry County accept Medicare?
- Family Medicine for Mchenry County is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Who is the authorized official for Family Medicine for Mchenry County?
- The authorized official listed on Family Medicine for Mchenry County's NPPES record is Michael Lesser, President. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Family Medicine for Mchenry County's NPI active?
- Yes — Family Medicine for Mchenry County's NPI (1174503510) is active in the NPPES registry as of the last update on 2021-05-20.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.