DR. DANIEL KATZ M.D.
NPI 1043439367
Obstetrics & Gynecology in Boston, MA
About Dr. Daniel Katz M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. DANIEL KATZ M.D. (NPI 1043439367) is an individual obstetrics & gynecology provider in Boston, Massachusetts, licensed in Massachusetts (231324) and active in the NPI registry since April 2007. He is enrolled in Medicare PECOS and is a graduate of State University Of New York At Buffalo School Of Medicine (2003).
NPPES Registry Identity
Specialties & Licenses 2
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. Daniel Katz M.d. 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 Daniel Katz reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Boston, MA 02115
- Reassigned Medicare billing, Massachusetts enrollment
- 4,574 clinicians in this Medicare group
Newton, MA 02462
- Reassigned Medicare billing, Massachusetts enrollment
- 992 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 02114 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Referred Medical Equipment & Supplies CMS DME claims 2
Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.
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 02114
BOSTON, MA 02114
BOSTON, MA 02114
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 Daniel Katz's NPI number?
The NPI number for Daniel Katz is 1043439367. It was assigned to this individual provider in the NPPES registry on April 25, 2007.
Where is Daniel Katz located?
Daniel Katz practices at 55 Fruit St Founders 4, Boston, MA 02114. The listed phone number is (617) 726-2770.
What is Daniel Katz's specialty?
The primary specialty registered for this NPI is Obstetrics & Gynecology with taxonomy code 207V00000X.
Is Daniel Katz enrolled in Medicare?
Yes. Daniel Katz 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 Daniel Katz's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Daniel Katz reassigns Medicare benefits to 2 organizations: Brigham & Womens Physicians Organization Inc (Boston, MA) and Mass General Brigham Medical Group Suburban Massachusetts Inc (Newton, 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 Daniel Katz'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 Daniel Katz was last updated on August 21, 2009. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 17 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. Daniel Katz, M.D. · NPI 1043439367
Obstetrics & Gynecology physician in Boston, Massachusetts. Individual provider, active in the CMS NPPES registry since April 25, 2007.
## Identity
- **NPI:** 1043439367 (Entity type: Individual)
- **Enumerated:** April 25, 2007
- **Primary specialty:** Obstetrics & Gynecology · taxonomy 207V00000X
- **State license:** 231324 (Massachusetts)
- **Sole proprietor:** No
## Practice location
- **Address:** 55 FRUIT ST, FOUNDERS 4, Boston, MA 02114-2621
- **Phone:** (617) 726-2770
## 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:** 2 organizations under Medicare reassignment (form CMS-855R): Brigham & Womens Physicians Organization Inc (NPI 1033535497, Boston, MA); Mass General Brigham Medical Group Suburban Massachusetts Inc (NPI 1538191218, Newton, MA) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** State University Of New York At Buffalo School Of Medicine, class of 2003
## Record status
- **NPPES last updated:** August 21, 2009
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Source: [NPI Profile](https://npiprofile.com/npi/1043439367) · Data from the CMS NPPES public registry.