SETH A HARNDEN CRNA
NPI 1487977948
Nurse Anesthetist, Certified Registered in Nashville, TN
About Seth A Harnden Crna NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
SETH A HARNDEN CRNA (NPI 1487977948) is an individual nurse anesthetist, certified registered in Nashville, Tennessee, licensed in Tennessee (14595) and active in the NPI registry since March 2010. He maintains 2 additional practice locations and is a graduate of Other (2009).
NPPES Registry Identity
Specialties & Licenses
Secondary Practice Locations 2
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
Seth A Harnden 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
7Medicare enrollment records show Seth Harnden reassigns Medicare billing to 7 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Nashville, TN 37203
- Reassigned Medicare billing, Tennessee enrollment
- Medicare enrollment name: Anesthesia Medical Group, P.C.
- 757 clinicians in this Medicare group
Nashville, TN 37203
- Reassigned Medicare billing, Tennessee enrollment
- 32 clinicians in this Medicare group
Nashville, TN 37208
- Reassigned Medicare billing, Tennessee enrollment
- 56 clinicians in this Medicare group
Nashville, TN 37205
- Reassigned Medicare billing, Tennessee enrollment
- 164 clinicians in this Medicare group
Maryville, TN 37804
- Reassigned Medicare billing, Tennessee enrollment
- 40 clinicians in this Medicare group
Kingsport, TN 37663
- Reassigned Medicare billing, Tennessee enrollment
- 294 clinicians in this Medicare group
Kingsport, TN 37663
- Reassigned Medicare billing, Tennessee enrollment
- 28 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
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.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 37203 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.
Other Providers at the Same Location NPPES 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
NASHVILLE, TN 37203
NASHVILLE, TN 37203
NASHVILLE, TN 37203
NASHVILLE, TN 37203
NASHVILLE, TN 37203
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 Seth Harnden's NPI number?
The NPI number for Seth Harnden is 1487977948. It was assigned to this individual provider in the NPPES registry on March 11, 2010.
Where is Seth Harnden located?
Seth Harnden practices at 110 29th Ave N Ste 200, Nashville, TN 37203. The listed phone number is (615) 327-4304.
What is Seth Harnden's specialty?
The primary specialty registered for this NPI is Nurse Anesthetist, Certified Registered with taxonomy code 367500000X.
Is Seth Harnden enrolled in Medicare?
Yes. Seth Harnden 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 Seth Harnden's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Seth Harnden reassigns Medicare benefits to 7 organizations: Anesthesia Medical Group, PC (Nashville, TN), Nashville Gastrointestinal Anesthesia LLC (Nashville, TN), Physynergy, LLC (Nashville, TN), Cardiovascular Anesthesiologists PC (Nashville, TN), Foothills Anesthesia Associates PC (Maryville, TN) and 2 more organizations, listed in the Medicare section above. 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 Seth Harnden's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Seth Harnden accept?
Health plans from Cigna Healthcare and Oscar Insurance Company list Seth Harnden 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.
When was this NPI record last updated?
The NPPES record for Seth Harnden was last updated on February 4, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 20 months 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.
# Seth A Harnden, CRNA · NPI 1487977948
Nurse Anesthetist, Certified Registered physician in Nashville, Tennessee. Individual provider, active in the CMS NPPES registry since March 11, 2010.
## Identity
- **NPI:** 1487977948 (Entity type: Individual)
- **Enumerated:** March 11, 2010
- **Primary specialty:** Nurse Anesthetist, Certified Registered · taxonomy 367500000X
- **State license:** 14595 (Tennessee)
- **Sole proprietor:** Yes
## Practice location
- **Address:** 110 29TH AVE N STE 200, Nashville, TN 37203-6002
- **Phone:** (615) 327-4304
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Bills Medicare through:** 7 organizations under Medicare reassignment (form CMS-855R): Anesthesia Medical Group, PC (NPI 1215932413, Nashville, TN); Nashville Gastrointestinal Anesthesia LLC (NPI 1902282130, Nashville, TN); Physynergy, LLC (NPI 1194124941, Nashville, TN); Cardiovascular Anesthesiologists PC (NPI 1912953381, Nashville, TN); Foothills Anesthesia Associates PC (NPI 1285873380, Maryville, TN); and 2 more · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2009
## Record status
- **NPPES last updated:** February 4, 2025
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Source: [NPI Profile](https://npiprofile.com/npi/1487977948) · Data from the CMS NPPES public registry.