Cailin Merck
NPI 1588475750 · Physician Assistant · Chicago, IL
Enrolled with Medicare as Practitioner - Physician Assistant · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Cailin Merck is a Physician Assistant provider in Chicago, IL (NPI 1588475750).
Provider details
- NPI number
- 1588475750
- Entity type
- Individual
- Primary specialty
- Physician AssistantPhysician Assistants & Advanced Practice Nursing Providers
- Sex
- Female
- Sole proprietor
- No
- License
- 085.011642 (IL)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
1 yr in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
2 documented practice locations
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
Additional practice locations (1)
- 901 W New York StIndianapolis, IN 46202-5224Phone: (708) 359-3295
Registry dates
- Enumerated
- 2025-01-16
- Last updated
- 2026-01-29
- Certified
- 2026-01-29
Frequently asked questions
- What is Cailin Merck's NPI number?
- Cailin Merck's National Provider Identifier (NPI) is 1588475750, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Cailin Merck's specialty?
- Cailin Merck is listed in the NPPES registry with a primary specialty of Physician Assistant (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Cailin Merck located?
- Cailin Merck's practice location on file with NPPES is 2320 E 93rd St, Chicago, IL 60617-3909.
- What is Cailin Merck's phone number?
- The practice phone number listed in the NPPES registry for Cailin Merck is (773) 967-5430.
- Does Cailin Merck accept Medicare?
- Cailin Merck is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Cailin Merck's NPI active?
- Yes — Cailin Merck's NPI (1588475750) is active in the NPPES registry as of the last update on 2026-01-29.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.