DR. JOHN FRANZ KNORP M.D.
NPI 1669530952
Anesthesiology in Boston, MA
About Dr. John Franz Knorp M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. JOHN FRANZ KNORP M.D. (NPI 1669530952) is an individual anesthesiology provider in Boston, Massachusetts, licensed in Massachusetts (221150) and active in the NPI registry since December 2006. He is enrolled in Medicare PECOS, is affiliated with St Cloud Hospital, and is a graduate of Saint Louis University School Of Medicine (2003).
NPPES Registry Identity
Specialties & Licenses
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. John Franz Knorp M.d. 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
4Medicare enrollment records show John Knorp reassigns Medicare billing to 4 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Minneapolis, MN 55454
- Reassigned Medicare billing, Minnesota enrollment
- 681 clinicians in this Medicare group
Plymouth, MN 55447
- Reassigned Medicare billing, Minnesota enrollment
- 1,033 clinicians in this Medicare group
Big Lake, MN 55309
- Reassigned Medicare billing, Minnesota enrollment
- 1,051 clinicians in this Medicare group
Monticello, MN 55362
- Reassigned Medicare billing, Minnesota enrollment
- Also billed through NPI 1558600874 (Minnesota)
- 287 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 9
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 Cloud Hospital
Acute Care Hospitals · Saint Cloud, MNOther Providers at the Same Location NPPES 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
BOSTON, MA 02115
BOSTON, MA 02115
BOSTON, MA 02115
BOSTON, MA 02115
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 John Knorp's NPI number?
The NPI number for John Knorp is 1669530952. It was assigned to this individual provider in the NPPES registry on December 5, 2006.
Where is John Knorp located?
John Knorp practices at 75 Francis St, Boston, MA 02115. The listed phone number is (617) 732-5500.
What is John Knorp's specialty?
The primary specialty registered for this NPI is Anesthesiology with taxonomy code 207L00000X.
Is John Knorp enrolled in Medicare?
Yes. John Knorp 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 John Knorp's services?
According to the CMS Revalidation Reassignment List (October 2026 release), John Knorp reassigns Medicare benefits to 4 organizations: University Anesthesia Providers, LLC (Minneapolis, MN), Metropolitan Anesthesia Network, LLP (Plymouth, MN), Centracare Clinic (Big Lake, MN) and Centracare Health System-Nr LLC (Monticello, MN). 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 John Knorp's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
Is John Knorp affiliated with any hospitals?
According to CMS data, John Knorp is affiliated with St Cloud Hospital.
When was this NPI record last updated?
The NPPES record for John Knorp was last updated on March 27, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 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. John Franz Knorp, M.D. · NPI 1669530952
Anesthesiology physician in Boston, Massachusetts. Individual provider, active in the CMS NPPES registry since December 5, 2006.
## Identity
- **NPI:** 1669530952 (Entity type: Individual)
- **Enumerated:** December 5, 2006
- **Primary specialty:** Anesthesiology · taxonomy 207L00000X
- **State license:** 221150 (Massachusetts)
- **Sole proprietor:** No
## Practice location
- **Address:** 75 FRANCIS ST, Boston, MA 02115-6110
- **Phone:** (617) 732-5500
## 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:** 4 organizations under Medicare reassignment (form CMS-855R): University Anesthesia Providers, LLC (NPI 1699711143, Minneapolis, MN); Metropolitan Anesthesia Network, LLP (NPI 1558314427, Plymouth, MN); Centracare Clinic (NPI 1013104348, Big Lake, MN); Centracare Health System-Nr LLC (NPI 1003353202, Monticello, MN) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Saint Louis University School Of Medicine, class of 2003
## Record status
- **NPPES last updated:** March 27, 2023
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Source: [NPI Profile](https://npiprofile.com/npi/1669530952) · Data from the CMS NPPES public registry.