ELLEN LAPOWSKY CNM
NPI 1821168626
Advanced Practice Midwife in Cambridge, MA
About Ellen Lapowsky Cnm NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
ELLEN LAPOWSKY CNM (NPI 1821168626) is an individual advanced practice midwife in Cambridge, Massachusetts, licensed in Massachusetts (166225) and active in the NPI registry since November 2006. She is enrolled in Medicare PECOS.
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 1
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Ellen Lapowsky Cnm is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignment
Medicare enrollment records show Ellen Lapowsky reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Cambridge, MA 02139
- Reassigned Medicare billing, Massachusetts enrollment
- 719 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.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 02139 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 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
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 Ellen Lapowsky's NPI number?
The NPI number for Ellen Lapowsky is 1821168626. It was assigned to this individual provider in the NPPES registry on November 9, 2006.
Where is Ellen Lapowsky located?
Ellen Lapowsky practices at 1493 Cambridge St, Cambridge, MA 02139. The listed phone number is (617) 665-5222.
What is Ellen Lapowsky's specialty?
The primary specialty registered for this NPI is Advanced Practice Midwife with taxonomy code 367A00000X.
Is Ellen Lapowsky enrolled in Medicare?
Yes. Ellen Lapowsky is registered in the Medicare PECOS enrollment system.
Which organization bills Medicare for Ellen Lapowsky's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Ellen Lapowsky reassigns Medicare benefits to Cambridge Public Health Commission (Cambridge, MA). The 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 Ellen Lapowsky's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
When was this NPI record last updated?
The NPPES record for Ellen Lapowsky was last updated on July 8, 2007. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 19 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.
# Ellen Lapowsky, CNM · NPI 1821168626
Advanced Practice Midwife physician in Cambridge, Massachusetts. Individual provider, active in the CMS NPPES registry since November 9, 2006.
## Identity
- **NPI:** 1821168626 (Entity type: Individual)
- **Enumerated:** November 9, 2006
- **Primary specialty:** Advanced Practice Midwife · taxonomy 367A00000X
- **State license:** 166225 (Massachusetts)
- **Sole proprietor:** No
## Practice location
- **Address:** 1493 CAMBRIDGE ST, Cambridge, MA 02139-1047
- **Phone:** (617) 665-5222
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment
- **Bills Medicare through:** Cambridge Public Health Commission (NPI 1487603585, Cambridge, MA), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** July 8, 2007
- **Other identifiers:** Medicare ID-Type Unspecified RN0073 (MA)
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Source: [NPI Profile](https://npiprofile.com/npi/1821168626) · Data from the CMS NPPES public registry.