DR. ZOE E KIEFER MD, MPH
NPI 1871888180
Obstetrics & Gynecology in Boston, MA
About Dr. Zoe E Kiefer Md, Mph NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. ZOE E KIEFER MD, MPH (NPI 1871888180) is an individual obstetrics & gynecology provider in Boston, Massachusetts, licensed in Massachusetts (262700) and active in the NPI registry since June 2011. She is enrolled in Medicare PECOS, is affiliated with Boston Medical Center, and maintains a secondary practice location in Boston.
NPPES Registry Identity
Specialties & Licenses
Secondary Practice Location 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. Zoe E Kiefer Md, Mph 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 Zoe Kiefer reassigns Medicare billing to 5 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Boston, MA 02111
- Reassigned Medicare billing, Massachusetts enrollment
- 93 clinicians in this Medicare group
South Boston, MA 02127
- Reassigned Medicare billing, Massachusetts enrollment
- 136 clinicians in this Medicare group
Boston, MA 02215
- Reassigned Medicare billing, Massachusetts enrollment
- Also billed through NPI 1194765438 (Massachusetts)
- 161 clinicians in this Medicare group
Boston, MA 02215
- Reassigned Medicare billing, Massachusetts enrollment
- 1,477 clinicians in this Medicare group
Winchester, MA 01890
- Reassigned Medicare billing, Massachusetts enrollment
- 8 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 2
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Boston Medical Center
Acute Care Hospitals · Boston, MATufts Medical Center
Acute Care Hospitals · Boston, MAPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 02111 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.
BOSTON, MA 02111
BOSTON, MA 02111
BOSTON, MA 02111
BOSTON, MA 02111
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 Zoe Kiefer's NPI number?
The NPI number for Zoe Kiefer is 1871888180. It was assigned to this individual provider in the NPPES registry on June 14, 2011.
Where is Zoe Kiefer located?
Zoe Kiefer practices at 800 Washington St, Boston, MA 02111. The listed phone number is (617) 636-2229.
What is Zoe Kiefer's specialty?
The primary specialty registered for this NPI is Obstetrics & Gynecology with taxonomy code 207V00000X.
Is Zoe Kiefer enrolled in Medicare?
Yes. Zoe Kiefer 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 Zoe Kiefer's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Zoe Kiefer reassigns Medicare benefits to 5 organizations: Pratt Ob/Gyn Associates, Inc (Boston, MA), South Boston Community Health Center (South Boston, MA), Harvard Medical Faculty Phys At Beth Israel Deaconess Med Ctr Inc (Boston, MA), Beth Israel Deaconess Medical Center, Inc. (Boston, MA) and Winchester Ob Gyn Associates, PC (Winchester, 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 Zoe Kiefer's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Zoe Kiefer accept?
Health plans from Anthem Blue Cross and Blue Shield list Zoe Kiefer 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 Zoe Kiefer affiliated with any hospitals?
According to CMS data, Zoe Kiefer is affiliated with Boston Medical Center and Tufts Medical Center.
When was this NPI record last updated?
The NPPES record for Zoe Kiefer was last updated on November 10, 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. Zoe E Kiefer, MD, MPH · NPI 1871888180
Obstetrics & Gynecology physician in Boston, Massachusetts. Individual provider, active in the CMS NPPES registry since June 14, 2011.
## Identity
- **NPI:** 1871888180 (Entity type: Individual)
- **Enumerated:** June 14, 2011
- **Primary specialty:** Obstetrics & Gynecology · taxonomy 207V00000X
- **State license:** 262700 (Massachusetts)
- **Sole proprietor:** No
## Practice location
- **Address:** 800 WASHINGTON ST, Boston, MA 02111-1552
- **Phone:** (617) 636-2229
## 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): Pratt Ob/Gyn Associates, Inc (NPI 1336186501, Boston, MA); South Boston Community Health Center (NPI 1669447413, South Boston, MA); Harvard Medical Faculty Phys At Beth Israel Deaconess Med Ctr Inc (NPI 1518908136, Boston, MA); Beth Israel Deaconess Medical Center, Inc. (NPI 1548202641, Boston, MA); Winchester Ob Gyn Associates, PC (NPI 1811052954, Winchester, MA) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Icahn School Of Medicine At Mount Sinai, class of 2011
## Record status
- **NPPES last updated:** November 10, 2023
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Source: [NPI Profile](https://npiprofile.com/npi/1871888180) · Data from the CMS NPPES public registry.