Kathryn Lorenger
NPI 1821702549 · Certified Registered Nurse Anesthetist · Ann Arbor, MI
Enrolled with Medicare as Practitioner - Certified Registered Nurse Anesthetist (crna) · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Kathryn Lorenger is a Certified Registered Nurse Anesthetist provider in Ann Arbor, MI (NPI 1821702549).
Provider details
- NPI number
- 1821702549
- Entity type
- Individual
- Primary specialty
- Certified Registered Nurse AnesthetistPhysician Assistants & Advanced Practice Nursing Providers
- Sex
- Female
- Sole proprietor
- No
- License
- 4704346101 (MI)
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
3 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
3 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 (2)
- 200 Jefferson Ave SeGrand Rapids, MI 49503-4502Phone: (616) 685-5000
- 550 N Sherman Dr Apt 403Royal Oak, MI 48067-2266Phone: (616) 403-5081
Registry dates
- Enumerated
- 2023-01-09
- Last updated
- 2026-04-17
- Certified
- 2026-04-17
Frequently asked questions
- What is Kathryn Lorenger's NPI number?
- Kathryn Lorenger's National Provider Identifier (NPI) is 1821702549, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Kathryn Lorenger's specialty?
- Kathryn Lorenger is listed in the NPPES registry with a primary specialty of Certified Registered Nurse Anesthetist (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Kathryn Lorenger located?
- Kathryn Lorenger's practice location on file with NPPES is 2006 Hogback Rd Ste 5a, Ann Arbor, MI 48105-9750.
- What is Kathryn Lorenger's phone number?
- The practice phone number listed in the NPPES registry for Kathryn Lorenger is (734) 263-2417.
- Does Kathryn Lorenger accept Medicare?
- Kathryn Lorenger is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Kathryn Lorenger's NPI active?
- Yes — Kathryn Lorenger's NPI (1821702549) is active in the NPPES registry as of the last update on 2026-04-17.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.