MARIAN KAROLINE BLAWIE CNM, CLC
NPI 1427620111
Advanced Practice Midwife in Rhinebeck, NY
About Marian Karoline Blawie Cnm, Clc NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MARIAN KAROLINE BLAWIE CNM, CLC (NPI 1427620111) is an individual advanced practice midwife in Rhinebeck, New York and active in the NPI registry since July 2021. She is enrolled in Medicare PECOS, is affiliated with Anna Jaques Hospital, and is a graduate of Yale University School Of Medicine (2021).
NPPES Registry Identity
Specialties & Licenses
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
Marian Karoline Blawie Cnm, Clc 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
2Medicare enrollment records show Marian Blawie reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Mount Kisco, NY 10549
- Reassigned Medicare billing, New York enrollment
- Medicare enrollment name: Optum Medical Care PC
- 1,601 clinicians in this Medicare group
Newburyport, MA 01950
- Reassigned Medicare billing, Massachusetts enrollment
- 90 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.
Anna Jaques Hospital
Acute Care Hospitals · Newburyport, MAPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 12572 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Other Providers at the Same Location NPPES 17
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
RHINEBECK, NY 12572
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 Marian Blawie's NPI number?
The NPI number for Marian Blawie is 1427620111. It was assigned to this individual provider in the NPPES registry on July 13, 2021.
Where is Marian Blawie located?
Marian Blawie practices at 6734 Route 9, Rhinebeck, NY 12572. The listed phone number is (845) 231-5600.
What is Marian Blawie's specialty?
The primary specialty registered for this NPI is Advanced Practice Midwife with taxonomy code 367A00000X.
Is Marian Blawie enrolled in Medicare?
Yes. Marian Blawie 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 Marian Blawie's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Marian Blawie reassigns Medicare benefits to 2 organizations: Optum Medical Care, P.C. (Mount Kisco, NY) and Seacoast Affiliated Group Practice, Inc. (Newburyport, MA). 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 Marian Blawie's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Marian Blawie accept?
Health plans from Anthem Blue Cross and Blue Shield and Taro Health list Marian Blawie 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 Marian Blawie affiliated with any hospitals?
According to CMS data, Marian Blawie is affiliated with Anna Jaques Hospital.
When was this NPI record last updated?
The NPPES record for Marian Blawie was last updated on July 13, 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.
# Marian Karoline Blawie, CNM, CLC · NPI 1427620111
Advanced Practice Midwife physician in Rhinebeck, New York. Individual provider, active in the CMS NPPES registry since July 13, 2021.
## Identity
- **NPI:** 1427620111 (Entity type: Individual)
- **Enumerated:** July 13, 2021
- **Primary specialty:** Advanced Practice Midwife · taxonomy 367A00000X
- **Sole proprietor:** No
## Practice location
- **Address:** 6734 ROUTE 9, Rhinebeck, NY 12572-3724
- **Phone:** (845) 231-5600
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment
- **Bills Medicare through:** 2 organizations under Medicare reassignment (form CMS-855R): Optum Medical Care, P.C. (NPI 1982643003, Mount Kisco, NY); Seacoast Affiliated Group Practice, Inc. (NPI 1801892344, Newburyport, MA) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Yale University School Of Medicine, class of 2021
## Record status
- **NPPES last updated:** July 13, 2021
---
Source: [NPI Profile](https://npiprofile.com/npi/1427620111) · Data from the CMS NPPES public registry.