JOAN TANKOU
NPI 1912398744
Obstetrics & Gynecology - Gynecologic Oncology in Boston, MA
About Joan Tankou NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
JOAN TANKOU (NPI 1912398744) is an individual gynecologic oncology provider in Boston, Massachusetts, licensed in Connecticut (70814) and active in the NPI registry since February 2015. She is enrolled in Medicare PECOS and is a graduate of Northwestern University Feinberg Medical School (2015).
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
Joan Tankou 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 Joan Tankou reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Hartford, CT 06105
- Reassigned Medicare billing, Connecticut enrollment
- 1,186 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.
Areas of Expertise CMS Part B claims 3
Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 02115 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 02115
BOSTON, MA 02115
BOSTON, MA 02115
BOSTON, MA 02115
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 Joan Tankou's NPI number?
The NPI number for Joan Tankou is 1912398744. It was assigned to this individual provider in the NPPES registry on February 16, 2015.
Where is Joan Tankou located?
Joan Tankou practices at 75 Francis St, Boston, MA 02115. The listed phone number is (321) 947-9216.
What is Joan Tankou's specialty?
The primary specialty registered for this NPI is Obstetrics & Gynecology, specializing in Gynecologic Oncology, with taxonomy code 207VX0201X.
Is Joan Tankou enrolled in Medicare?
Yes. Joan Tankou 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 Joan Tankou's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Joan Tankou reassigns Medicare benefits to Trinity Health Of New England Provider Network Organization Inc (Hartford, CT). 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 Joan Tankou's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Joan Tankou accept?
Health plans from Anthem Blue Cross and Blue Shield list Joan Tankou 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 Joan Tankou was last updated on July 26, 2022. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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.
# Joan Tankou · NPI 1912398744
Gynecologic Oncology physician in Boston, Massachusetts. Individual provider, active in the CMS NPPES registry since February 16, 2015.
## Identity
- **NPI:** 1912398744 (Entity type: Individual)
- **Enumerated:** February 16, 2015
- **Primary specialty:** Obstetrics & Gynecology - Gynecologic Oncology · taxonomy 207VX0201X
- **State license:** 70814 (Connecticut)
- **Sole proprietor:** Yes
## Practice location
- **Address:** 75 FRANCIS ST, Boston, MA 02115-6110
- **Phone:** (321) 947-9216
## 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:** Trinity Health Of New England Provider Network Organization Inc (NPI 1003882812, Hartford, CT), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Northwestern University Feinberg Medical School, class of 2015
## Record status
- **NPPES last updated:** July 26, 2022
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Source: [NPI Profile](https://npiprofile.com/npi/1912398744) · Data from the CMS NPPES public registry.