DR. ANNE MEREDITH KNUDSEN MD
NPI 1821006958
Obstetrics & Gynecology in Portland, OR
About Dr. Anne Meredith Knudsen Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. ANNE MEREDITH KNUDSEN MD (NPI 1821006958) is an individual obstetrics & gynecology provider in Portland, Oregon, licensed in Oregon (MD24997) and active in the NPI registry since August 2006. She is enrolled in Medicare PECOS, is affiliated with Providence Portland Medical Center, and is a graduate of Vanderbilt University School Of Medicine (2000).
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 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. Anne Meredith Knudsen 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
5Medicare enrollment records show Anne Knudsen reassigns Medicare billing to 5 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Portland, OR 97213
- Reassigned Medicare billing, Oregon enrollment
- 676 clinicians in this Medicare group
Portland, OR 97213
- Reassigned Medicare billing, Oregon enrollment
- 1,501 clinicians in this Medicare group
Portland, OR 97210
- Reassigned Medicare billing, Oregon enrollment
- 1,248 clinicians in this Medicare group
Milwaukie, OR 97222
- Reassigned Medicare billing, Oregon enrollment
- 229 clinicians in this Medicare group
Portland, OR 97225
- Reassigned Medicare billing, Oregon enrollment
- 753 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.
Hospital Affiliations CMS Care Compare
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Providence Portland Medical Center
Acute Care Hospitals · Portland, ORPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 97213 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 5
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
PORTLAND, OR 97213
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 Anne Knudsen's NPI number?
The NPI number for Anne Knudsen is 1821006958. It was assigned to this individual provider in the NPPES registry on August 4, 2006.
Where is Anne Knudsen located?
Anne Knudsen practices at 545 NE 47th Ave Ste 102, Portland, OR 97213. The listed phone number is (503) 215-6262.
What is Anne Knudsen's specialty?
The primary specialty registered for this NPI is Obstetrics & Gynecology with taxonomy code 207V00000X.
Is Anne Knudsen enrolled in Medicare?
Yes. Anne Knudsen 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 Anne Knudsen's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Anne Knudsen reassigns Medicare benefits to 5 organizations: Providence Health & Services - Oregon (Portland, OR), Providence Health & Services - Oregon (Portland, OR), Legacy Clinics LLC (Portland, OR), Providence Health & Services Oregon (Milwaukie, OR) and Providence Health & Services - Oregon (Portland, OR). 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 Anne Knudsen's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Anne Knudsen accept?
Health plans from Providence Health Plan list Anne Knudsen 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 Anne Knudsen affiliated with any hospitals?
According to CMS data, Anne Knudsen is affiliated with Providence Portland Medical Center.
When was this NPI record last updated?
The NPPES record for Anne Knudsen was last updated on October 27, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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. Anne Meredith Knudsen, MD · NPI 1821006958
Obstetrics & Gynecology physician in Portland, Oregon. Individual provider, active in the CMS NPPES registry since August 4, 2006.
## Identity
- **NPI:** 1821006958 (Entity type: Individual)
- **Enumerated:** August 4, 2006
- **Primary specialty:** Obstetrics & Gynecology · taxonomy 207V00000X
- **State license:** MD24997 (Oregon)
- **Sole proprietor:** No
## Practice location
- **Address:** 545 NE 47TH AVE STE 102, Portland, OR 97213-2237
- **Phone:** (503) 215-6262
## 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:** 5 organizations under Medicare reassignment (form CMS-855R): Providence Health & Services - Oregon (NPI 1003991845, Portland, OR); Providence Health & Services - Oregon (NPI 1316197692, Portland, OR); Legacy Clinics LLC (NPI 1902827272, Portland, OR); Providence Health & Services Oregon (NPI 1366536963, Milwaukie, OR); Providence Health & Services - Oregon (NPI 1235259532, Portland, OR) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Vanderbilt University School Of Medicine, class of 2000
## Record status
- **NPPES last updated:** October 27, 2023
- **Other identifiers:** Medicaid 275165 (OR)
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Source: [NPI Profile](https://npiprofile.com/npi/1821006958) · Data from the CMS NPPES public registry.