DR. MADELINE HYLAND GANZ MD
NPI 1528696556
Obstetrics & Gynecology in Boston, MA
About Dr. Madeline Hyland Ganz Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. MADELINE HYLAND GANZ MD (NPI 1528696556) is an individual obstetrics & gynecology provider in Boston, Massachusetts, licensed in Massachusetts (1019793) and active in the NPI registry since March 2020. She is enrolled in Medicare PECOS and is a graduate of Other (2020).
NPPES Registry Identity
Specialties & Licenses 2
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. Madeline Hyland Ganz 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 Reassignment
Medicare enrollment records show Madeline Ganz reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Boston, MA 02111
- Reassigned Medicare billing, Massachusetts enrollment
- 93 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 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 7
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
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 Madeline Ganz's NPI number?
The NPI number for Madeline Ganz is 1528696556. It was assigned to this individual provider in the NPPES registry on March 27, 2020.
Where is Madeline Ganz located?
Madeline Ganz practices at 800 Washington St # 22, Boston, MA 02111. The listed phone number is (617) 636-2229.
What is Madeline Ganz's specialty?
The primary specialty registered for this NPI is Obstetrics & Gynecology with taxonomy code 207V00000X.
Is Madeline Ganz enrolled in Medicare?
Yes. Madeline Ganz 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 organization bills Medicare for Madeline Ganz's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Madeline Ganz reassigns Medicare benefits to Pratt Ob/Gyn Associates, Inc (Boston, 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 Madeline Ganz's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Madeline Ganz accept?
Health plans from Anthem Blue Cross and Blue Shield list Madeline Ganz 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.
When was this NPI record last updated?
The NPPES record for Madeline Ganz was last updated on June 20, 2024. 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. Madeline Hyland Ganz, MD · NPI 1528696556
Obstetrics & Gynecology physician in Boston, Massachusetts. Individual provider, active in the CMS NPPES registry since March 27, 2020.
## Identity
- **NPI:** 1528696556 (Entity type: Individual)
- **Enumerated:** March 27, 2020
- **Primary specialty:** Obstetrics & Gynecology · taxonomy 207V00000X
- **State license:** 1019793 (Massachusetts)
- **Sole proprietor:** No
## Practice location
- **Address:** 800 WASHINGTON ST # 22, 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:** Pratt Ob/Gyn Associates, Inc (NPI 1336186501, Boston, MA), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2020
## Record status
- **NPPES last updated:** June 20, 2024
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Source: [NPI Profile](https://npiprofile.com/npi/1528696556) · Data from the CMS NPPES public registry.