DR. KATE RIDDELL MD
NPI 1679747414
Anesthesiology in Nashua, NH
About Dr. Kate Riddell Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. KATE RIDDELL MD (NPI 1679747414) is an individual anesthesiology provider in Nashua, New Hampshire, licensed in New Hampshire (15937) and active in the NPI registry since April 2008. She is enrolled in Medicare PECOS, is affiliated with Southern Nh Medical Center, and is a graduate of Other (2008).
NPPES Registry Identity
Specialties & Licenses 2
Other Names 1
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
Dr. Kate Riddell 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 Reassignments
7Medicare enrollment records show Kate Riddell reassigns Medicare billing to 7 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Nashua, NH 03060
- Reassigned Medicare billing, New Hampshire enrollment
- 283 clinicians in this Medicare group
Nashua, NH 03060
- Reassigned Medicare billing, New Hampshire enrollment
- 132 clinicians in this Medicare group
Nashua, NH 03062
- Reassigned Medicare billing, New Hampshire enrollment
- 23 clinicians in this Medicare group
Concord, MA 01742
- Reassigned Medicare billing, Massachusetts enrollment
Concord, NH 03301
- Reassigned Medicare billing, New Hampshire enrollment
- 98 clinicians in this Medicare group
Concord, NH 03301
- Reassigned Medicare billing, New Hampshire enrollment
- 636 clinicians in this Medicare group
Keene, NH 03431
- Reassigned Medicare billing, New Hampshire enrollment
- 2,999 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.
Hospital Affiliations CMS Care Compare
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Southern Nh Medical Center
Acute Care Hospitals · Nashua, NHFrequently 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 Kate Riddell's NPI number?
The NPI number for Kate Riddell is 1679747414. It was assigned to this individual provider in the NPPES registry on April 14, 2008. The provider is also known as Kathleen Richard MD.
Where is Kate Riddell located?
Kate Riddell practices at 8 Prospect St Dept Of, Nashua, NH 03060. The listed phone number is (603) 577-2000.
What is Kate Riddell's specialty?
The primary specialty registered for this NPI is Anesthesiology with taxonomy code 207L00000X.
Is Kate Riddell enrolled in Medicare?
Yes. Kate Riddell 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 Kate Riddell's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Kate Riddell reassigns Medicare benefits to 7 organizations: Foundation Medical Partners Inc (Nashua, NH), North American Partners In Anesthesia New Hampshire LLP (Nashua, NH), Skyline Anesthesia PLLC (Nashua, NH), Emerson Endoscopy And Digestive Health Center, LLC (Concord, MA), Anesthesia Associates Professional Association (Concord, NH) 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 Kate Riddell's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Kate Riddell accept?
Health plans from Taro Health and WellSense Health Plan list Kate Riddell 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 Kate Riddell affiliated with any hospitals?
According to CMS data, Kate Riddell is affiliated with Southern Nh Medical Center.
When was this NPI record last updated?
The NPPES record for Kate Riddell was last updated on September 15, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 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.
# Dr. Kate Riddell, MD · NPI 1679747414
Anesthesiology physician in Nashua, New Hampshire. Individual provider, active in the CMS NPPES registry since April 14, 2008.
## Identity
- **NPI:** 1679747414 (Entity type: Individual)
- **Enumerated:** April 14, 2008
- **Primary specialty:** Anesthesiology · taxonomy 207L00000X
- **State license:** 15937 (New Hampshire)
- **Sole proprietor:** No
## Practice location
- **Address:** 8 PROSPECT ST DEPT OF, Nashua, NH 03060-3925
- **Phone:** (603) 577-2000
## 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:** 7 organizations under Medicare reassignment (form CMS-855R): Foundation Medical Partners Inc (NPI 1033162037, Nashua, NH); North American Partners In Anesthesia New Hampshire LLP (NPI 1306838701, Nashua, NH); Skyline Anesthesia PLLC (NPI 1386351674, Nashua, NH); Emerson Endoscopy And Digestive Health Center, LLC (NPI 1366032617, Concord, MA); Anesthesia Associates Professional Association (NPI 1881791150, Concord, NH); and 2 more · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2008
## Record status
- **NPPES last updated:** September 15, 2021
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Source: [NPI Profile](https://npiprofile.com/npi/1679747414) · Data from the CMS NPPES public registry.