KIRSTEN SUSAN LEFF MD
NPI 1205052594
Anesthesiology in Hiawatha, IA
About Kirsten Susan Leff Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
KIRSTEN SUSAN LEFF MD (NPI 1205052594) is an individual anesthesiology provider in Hiawatha, Iowa, licensed in Michigan (4301090332) and active in the NPI registry since April 2007. She is enrolled in Medicare PECOS, is affiliated with St Lukes Hospital, and is a graduate of University Of Iowa, Rj & L Carver College Of Medicine (2003).
NPPES Registry Identity
Specialties & Licenses
Accepted Insurance
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
Kirsten Susan Leff Md is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.
Medicare Billing Reassignment
Medicare enrollment records show Kirsten Leff reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Hiawatha, IA 52233
- Reassigned Medicare billing, Iowa enrollment
- Medicare enrollment name: Linn County Anesthesiologists PC
- 42 clinicians in this Medicare group
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Areas of Expertise CMS Part B claims 2
Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.
Hospital Affiliations CMS Care Compare
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
St Lukes Hospital
Acute Care Hospitals · Cedar Rapids, IAOther Providers at the Same Location NPPES 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
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 Kirsten Leff's NPI number?
The NPI number for Kirsten Leff is 1205052594. It was assigned to this individual provider in the NPPES registry on April 17, 2007.
Where is Kirsten Leff located?
Kirsten Leff practices at 1550 Boyson Rd, Hiawatha, IA 52233. The listed phone number is (319) 743-7300.
What is Kirsten Leff's specialty?
The primary specialty registered for this NPI is Anesthesiology with taxonomy code 207L00000X.
Is Kirsten Leff enrolled in Medicare?
Yes. Kirsten Leff is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.
Which organization bills Medicare for Kirsten Leff's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Kirsten Leff reassigns Medicare benefits to Linn County Anesthesiologists, P.C. (Hiawatha, IA). The 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 Kirsten Leff's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Kirsten Leff accept?
Health plans from Medica list Kirsten Leff as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.
Is Kirsten Leff affiliated with any hospitals?
According to CMS data, Kirsten Leff is affiliated with St Lukes Hospital.
When was this NPI record last updated?
The NPPES record for Kirsten Leff was last updated on April 30, 2008. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 18 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.
# Kirsten Susan Leff, MD · NPI 1205052594
Anesthesiology physician in Hiawatha, Iowa. Individual provider, active in the CMS NPPES registry since April 17, 2007.
## Identity
- **NPI:** 1205052594 (Entity type: Individual)
- **Enumerated:** April 17, 2007
- **Primary specialty:** Anesthesiology · taxonomy 207L00000X
- **State license:** 4301090332 (Michigan)
- **Sole proprietor:** No
## Practice location
- **Address:** 1550 BOYSON RD, Hiawatha, IA 52233-2362
- **Phone:** (319) 743-7300 · **Fax:** (319) 743-7311
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** Linn County Anesthesiologists, P.C. (NPI 1386624328, Hiawatha, IA), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** University Of Iowa, Rj & L Carver College Of Medicine, class of 2003
## Record status
- **NPPES last updated:** April 30, 2008
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Source: [NPI Profile](https://npiprofile.com/npi/1205052594) · Data from the CMS NPPES public registry.