LEAH KARHAN CRNA
NPI 1902917222
Nurse Anesthetist, Certified Registered in Tacoma, WA
About Leah Karhan Crna NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
LEAH KARHAN CRNA (NPI 1902917222) is an individual nurse anesthetist, certified registered in Tacoma, Washington, licensed in Washington (AP60927299) and active in the NPI registry since August 2006. She is affiliated with Mountain View Regional Medical Center, maintains a secondary practice location in Jackson, and is a graduate of Other (2004).
NPPES Registry Identity
Specialties & Licenses
Other Names 1
Secondary Practice Location 1
Other Identifiers 1
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
Leah Karhan Crna 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 Reassignments
5Medicare enrollment records show Leah Karhan reassigns Medicare billing to 5 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Albuquerque, NM 87102
- Reassigned Medicare billing, New Mexico enrollment
- 383 clinicians in this Medicare group
Albuquerque, NM 87106
- Reassigned Medicare billing, New Mexico enrollment
- 151 clinicians in this Medicare group
Las Cruces, NM 88011
- Reassigned Medicare billing, New Mexico enrollment
- 238 clinicians in this Medicare group
Nashville, TN 37215
- Reassigned Medicare billing, New Mexico enrollment
- 13 clinicians in this Medicare group
Rochester, NY 14618
- Reassigned Medicare billing, New York enrollment
- Medicare enrollment name: Anesthesia Associates Of Rochester PC
- 142 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 6
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.
Mountain View Regional Medical Center
Acute Care Hospitals · Las Cruces, NMPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 98405 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Medicare Quality Performance CMS QPP · MIPS
Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.
Reported Quality Measures
Other Providers at the Same Location NPPES 5
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
TACOMA, WA 98405
TACOMA, WA 98405
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 Leah Karhan's NPI number?
The NPI number for Leah Karhan is 1902917222. It was assigned to this individual provider in the NPPES registry on August 31, 2006. The provider is also known as Leah Richards.
Where is Leah Karhan located?
Leah Karhan practices at 3209 S 23rd St Ste 200, Tacoma, WA 98405. The listed phone number is (253) 272-5127.
What is Leah Karhan's specialty?
The primary specialty registered for this NPI is Nurse Anesthetist, Certified Registered with taxonomy code 367500000X.
Is Leah Karhan enrolled in Medicare?
Yes. Leah Karhan 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 organizations bill Medicare for Leah Karhan's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Leah Karhan reassigns Medicare benefits to 5 organizations: Main Street Anesthesia Of New Mexico, LLC (Albuquerque, NM), Anesthesia Associates Of New Mexico P C (Albuquerque, NM), Las Cruces Hb Medical Services LLC (Las Cruces, NM), Amsurg Santa Fe Anesthesia LLC (Nashville, TN) and Anesthesia Associates Of Rochester, P.C. (Rochester, NY). Each 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 Leah Karhan's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
Is Leah Karhan affiliated with any hospitals?
According to CMS data, Leah Karhan is affiliated with Mountain View Regional Medical Center.
When was this NPI record last updated?
The NPPES record for Leah Karhan was last updated on December 18, 2019. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 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.
# Leah Karhan, CRNA · NPI 1902917222
Nurse Anesthetist, Certified Registered physician in Tacoma, Washington. Individual provider, active in the CMS NPPES registry since August 31, 2006.
## Identity
- **NPI:** 1902917222 (Entity type: Individual)
- **Enumerated:** August 31, 2006
- **Primary specialty:** Nurse Anesthetist, Certified Registered · taxonomy 367500000X
- **State license:** AP60927299 (Washington)
- **Sole proprietor:** No
## Practice location
- **Address:** 3209 S 23RD ST STE 200, Tacoma, WA 98405-1602
- **Phone:** (253) 272-5127
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Bills Medicare through:** 5 organizations under Medicare reassignment (form CMS-855R): Main Street Anesthesia Of New Mexico, LLC (NPI 1275010985, Albuquerque, NM); Anesthesia Associates Of New Mexico P C (NPI 1912900754, Albuquerque, NM); Las Cruces Hb Medical Services LLC (NPI 1598446171, Las Cruces, NM); Amsurg Santa Fe Anesthesia LLC (NPI 1356743033, Nashville, TN); Anesthesia Associates Of Rochester, P.C. (NPI 1760421788, Rochester, NY) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2004
## Record status
- **NPPES last updated:** December 18, 2019
- **Other identifiers:** Medicaid 00578094 (MS)
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Source: [NPI Profile](https://npiprofile.com/npi/1902917222) · Data from the CMS NPPES public registry.