JACOB KAGAN M.D.
NPI 1336282565
Psychiatry & Neurology - Psychiatry in Boston, MA
About Jacob Kagan M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
JACOB KAGAN M.D. (NPI 1336282565) is an individual psychiatry provider in Boston, Massachusetts, licensed in Massachusetts (234622) and active in the NPI registry since February 2007. He is enrolled in Medicare PECOS and is a graduate of Js Weill Medical College, Cornell University (2005).
NPPES Registry Identity
Specialties & Licenses
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
Jacob Kagan 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 Jacob Kagan 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
- Medicare enrollment name: President & Fellows Of Harvard College
- 170 clinicians in this Medicare group
Haverhill, MA 01830
- Reassigned Medicare billing, Massachusetts enrollment
- 16 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 02108 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 19
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
BOSTON, MA 02108
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 Jacob Kagan's NPI number?
The NPI number for Jacob Kagan is 1336282565. It was assigned to this individual provider in the NPPES registry on February 15, 2007.
Where is Jacob Kagan located?
Jacob Kagan practices at 30 Winter St, Boston, MA 02108. The listed phone number is (617) 426-0600.
What is Jacob Kagan's specialty?
The primary specialty registered for this NPI is Psychiatry & Neurology, specializing in Psychiatry, with taxonomy code 2084P0800X.
Is Jacob Kagan enrolled in Medicare?
Yes. Jacob Kagan 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 Jacob Kagan's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Jacob Kagan reassigns Medicare benefits to 2 organizations: President And Fellows Of Harvard College (Boston, MA) and Wp Acquisition Sub LLC (Haverhill, 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 Jacob Kagan'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 Jacob Kagan was last updated on August 17, 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.
# Jacob Kagan, M.D. · NPI 1336282565
Psychiatry physician in Boston, Massachusetts. Individual provider, active in the CMS NPPES registry since February 15, 2007.
## Identity
- **NPI:** 1336282565 (Entity type: Individual)
- **Enumerated:** February 15, 2007
- **Primary specialty:** Psychiatry & Neurology - Psychiatry · taxonomy 2084P0800X
- **State license:** 234622 (Massachusetts)
- **Sole proprietor:** No
## Practice location
- **Address:** 30 WINTER ST, Boston, MA 02108-4720
- **Phone:** (617) 426-0600
## 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): President And Fellows Of Harvard College (NPI 1972761807, Boston, MA); Wp Acquisition Sub LLC (NPI 1417420811, Haverhill, MA) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Js Weill Medical College, Cornell University, class of 2005
## Record status
- **NPPES last updated:** August 17, 2021
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Source: [NPI Profile](https://npiprofile.com/npi/1336282565) · Data from the CMS NPPES public registry.