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FAMILY MEDICINE FOR MCHENRY COUNTY
NPI 1174503510
Family Medicine in Crystal Lake, IL

Active since January 20, 2006CLIA 14D0412042 · Microscopy
1095 PINGREE RD, SUITE 108, CRYSTAL LAKE, IL 60014(847) 658-2400(847) 658-7755 Get Directions Write a Review

NPPES record last updated: May 20, 2021. Verified against the NPPES registry weekly; last sync: November 01, 2026.

About Family Medicine For Mchenry County NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

FAMILY MEDICINE FOR MCHENRY COUNTY (NPI 1174503510) is a healthcare organization registered as a family medicine in Crystal Lake, Illinois and active in the NPI registry since January 2006. The organization holds a CLIA Microscopy certificate valid through August 17, 2027 and lists Michael Lesser, President, as its authorized official.

NPPES Registry Identity

NPI1174503510
Entity TypeOrganization
Primary Taxonomy207Q00000X
Legal Business NameFAMILY MEDICINE FOR MCHENRY COUNTY
Location Address1095 PINGREE RD, SUITE 108Crystal Lake, IL 60014-1725
Mailing AddressPo Box 1588Crystal Lake, IL 60039-1588 · (847) 658-2400 · Fax (847) 658-7755
Phone(847) 658-2400
Fax(847) 658-7755
Organization SubpartNo
Authorized OfficialMichael LesserPresident · (847) 658-2400
Enumeration DateJanuary 20, 2006
Last NPPES UpdateMay 20, 2021
NPPES CertifiedMay 20, 2021
✔ NPI 1174503510 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyFamily MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207Q00000X
Definition
Family Medicine is the medical specialty which is concerned with the total health care of the individual and the family. It is the specialty in breadth which integrates the biological, clinical, and behavioral sciences. The scope of family medicine is not limited by age, sex, organ system, or disease entity.
1095 PINGREE RD, Crystal Lake, IL 60014
Open in Google Maps ↗

Other Identifiers 1

Other5615119IL · Bcbs Provider Number

Group Practice 1

Group TaxonomyThis provdier is a business group of one or more individual practitioners, all of who practice with the same area of specialization.193400000X SINGLE SPECIALTY GROUP

Medicare Participation & PECOS CMS

Medicare enrollment and the clinicians who bill Medicare through this organization, from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Family Medicine For Mchenry County is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Clinicians Billing Medicare Through This Organization

4

Medicare enrollment records show 4 clinicians reassign Medicare billing to Family Medicine For Mchenry County, which bills Medicare for the services they deliver. Of these, 2 practice at this address and 4 within 10 miles. They are listed nearest first.

Clinicians, nearest first (4)

Michael Lesser, MD
Family Practice
NPI 1760593032
1095 PINGREE RD SUITE 108
Crystal Lake, IL 60014
(847) 658-2400
✔ PECOS✔ Accepts MedicareSame address
Cynthia Macdonald, DNP
Nurse Practitioner
NPI 1609988187
1095 PINGREE RD SUITE 108
Crystal Lake, IL 60014
(847) 658-2400
✔ PECOSSame address
Ashley Drake, APRN
Nurse Practitioner
NPI 1487347159
1095 PINGREE RD STE 108
Crystal Lake, IL 60014
(815) 459-6655
✔ PECOS✔ Accepts Medicare1.7 mi
Allison Teliszczak, CNP
Nurse Practitioner
NPI 1679941819
1095 PINGREE RD STE 108
Crystal Lake, IL 60014
(815) 459-6655
✔ PECOS✔ Accepts Medicare1.7 mi

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

CLIA Laboratory Certificates CMS CLIA

Laboratory certificates issued under the Clinical Laboratory Improvement Amendments (CLIA) program, which sets federal quality standards for human laboratory testing in the United States. There is no official CMS crosswalk between CLIA and NPI numbers; these certificates are associated with this NPI by matching facility names, locations and phone numbers in the CMS CLIA registry.

Certificate for Provider-Performed Microscopy Procedures (PPMP) 14D0412042

Family Medicine For Mchenry County · Crystal Lake, IL
Active · expires Aug 17, 2027
CLIA Number14D0412042
Laboratory TypePhysician Office
Certificate Effective DateAugust 18, 2025
Certificate Expiration DateAugust 17, 2027
Laboratory DirectorS Michael Lesser
Laboratory Phone(815) 459-6655
Laboratory LocationFamily Medicine For Mchenry County1095 Pingree Rd, Ste 108, Crystal Lake, IL 60014
CLIA data matches this NPI record on: Address Name
This certificate is issued to a laboratory in which a physician, midlevel practitioner or dentist performs no tests other than the microscopy procedures. This certificate permits the laboratory to also perform waived tests.

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Family Medicine For Mchenry County's NPI number?

The NPI number for Family Medicine For Mchenry County is 1174503510. It was assigned to this organization in the NPPES registry on January 20, 2006.

Where is Family Medicine For Mchenry County located?

Family Medicine For Mchenry County is located at 1095 Pingree Rd Suite 108, Crystal Lake, IL 60014. The listed phone number is (847) 658-2400.

What is Family Medicine For Mchenry County's specialty?

The primary specialty registered for this NPI is Family Medicine with taxonomy code 207Q00000X.

Is Family Medicine For Mchenry County enrolled in Medicare?

Yes. Family Medicine For Mchenry County is registered in the Medicare PECOS enrollment system.

How many clinicians bill Medicare through Family Medicine For Mchenry County?

According to the CMS Revalidation Reassignment List (October 2026 release), 4 clinicians in 2 Medicare specialties reassign their Medicare billing to Family Medicine For Mchenry County. A reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for the clinician's services. The largest specialties are Nurse Practitioner (3) and Family Practice (1). Of these, 2 practice at this address and 4 within 10 miles. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Does Family Medicine For Mchenry County hold a CLIA laboratory certificate?

Yes. A Certificate for Provider-Performed Microscopy Procedures (PPMP) (number 14D0412042) is associated with this NPI, valid through August 17, 2027. CLIA certificates authorize laboratory testing under the federal Clinical Laboratory Improvement Amendments program.

When was this NPI record last updated?

The NPPES record for Family Medicine For Mchenry County was last updated on May 20, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.