Quick answers
- Does Caitlin M. Porter-Griffin accept Medicare assignment?
- Yes. Medicare's clinician data says Caitlin M. Porter-Griffin accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of October 2, 2026. Ask the office to confirm before your visit.
- What is Caitlin M. Porter-Griffin's NPI number?
- 1639574155. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Caitlin M. Porter-Griffin works
Medicare's Facility Affiliation Data lists Caitlin M. Porter-Griffin at these hospitals (updated October 2, 2026). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians. Star rating and emergency services: Hospital General Information (CMS), data updated October 26, 2026.
- Northwestern Lake Forest HospitalLake Forest, IL · Acute Care Hospital · Medicare rating: 5 of 5 stars · Emergency services: listed by Medicare · CCN 140130
Practice locations
Addresses where Caitlin M. Porter-Griffin is enrolled with Medicare (CMS data updated October 2, 2026).
- 36100 N Brookside Dr, Suite 204Gurnee, IL 60031 (847) 234‑3250
- 959 S Waukegan Rd, Suite 2Lake Forest, IL 60045 (847) 234‑3250
Group practices
Medicare enrollment lists Caitlin M. Porter-Griffin as a member of this group (CMS data updated October 2, 2026).
- Ob-Gyne Associates of Lake Forest Ltd8 clinicians in the group
Specialties
- Physician Assistantprimary
Other physician assistants in Gurnee
Clinicians with the same Medicare primary specialty in Gurnee, IL — not a recommendation.
Other clinicians in Ob-Gyne Associates of Lake Forest Ltd
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Graduation year | 2014 |
|---|---|
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1639574155 |
| Corrections | Report an error or suggest an update → |
Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.
Sources
- Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated October 2, 2026, retrieved October 29, 2026
- Hospital General Information — CMS, data updated October 26, 2026, retrieved November 13, 2026
- National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
- NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
- Medicare Care Compare — official Medicare tool to look up clinicians