STEVEN R TAHAN M.D.
NPI 1487760823
Pathology - Anatomic Pathology in Boston, MA
About Steven R Tahan M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
STEVEN R TAHAN M.D. (NPI 1487760823) is an individual anatomic pathology provider in Boston, Massachusetts, licensed in Massachusetts (48886) and active in the NPI registry since August 2006. He is enrolled in Medicare PECOS, is affiliated with Mount Auburn Hospital, and is a graduate of Yale University School Of Medicine (1979).
NPPES Registry Identity
Specialties & Licenses
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
Steven R Tahan 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
3Medicare enrollment records show Steven Tahan reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Boston, MA 02215
- Reassigned Medicare billing, Massachusetts enrollment
- 1,477 clinicians in this Medicare group
Boston, MA 02215
- Reassigned Medicare billing, Massachusetts enrollment
- Also billed through NPI 1346281938 (Massachusetts)
- 2,579 clinicians in this Medicare group
Boston, MA 02115
- Reassigned Medicare billing, Massachusetts enrollment
- 35 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 7
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.
Hospital Affiliations CMS Care Compare 5
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Mount Auburn Hospital
Acute Care Hospitals · Cambridge, MABeth Israel Deaconess Hospital - Needham
Acute Care Hospitals · Needham, MABeth Israel Deaconess Medical Center
Acute Care Hospitals · Boston, MABeth Israel Deaconess Hospital - Milton
Acute Care Hospitals · Milton, MANantucket Cottage Hospital
Acute Care Hospitals · Nantucket, MAPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 02215 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
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 Steven Tahan's NPI number?
The NPI number for Steven Tahan is 1487760823. It was assigned to this individual provider in the NPPES registry on August 21, 2006.
Where is Steven Tahan located?
Steven Tahan practices at Beth Isreal Deaconess Med. Ctr 330 Brookline Avenue, Boston, MA 02215. The listed phone number is (617) 667-4344.
What is Steven Tahan's specialty?
The primary specialty registered for this NPI is Pathology, specializing in Anatomic Pathology, with taxonomy code 207ZP0101X.
Is Steven Tahan enrolled in Medicare?
Yes. Steven Tahan 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 Steven Tahan's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Steven Tahan reassigns Medicare benefits to 3 organizations: Beth Israel Deaconess Medical Center, Inc. (Boston, MA), Harvard Medical Faculty Phys At Beth Israel Deaconess Med Ctr Inc (Boston, MA) and Children's Hospital Pathology Foundation, Inc. (Boston, 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 Steven Tahan's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Steven Tahan accept?
Health plans from Taro Health list Steven Tahan 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 Steven Tahan affiliated with any hospitals?
According to CMS data, Steven Tahan is affiliated with Mount Auburn Hospital, Beth Israel Deaconess Hospital - Needham, Beth Israel Deaconess Medical Center, Beth Israel Deaconess Hospital - Milton and Nantucket Cottage Hospital.
When was this NPI record last updated?
The NPPES record for Steven Tahan was last updated on July 8, 2007. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 19 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.
# Steven R Tahan, M.D. · NPI 1487760823
Anatomic Pathology physician in Boston, Massachusetts. Individual provider, active in the CMS NPPES registry since August 21, 2006.
## Identity
- **NPI:** 1487760823 (Entity type: Individual)
- **Enumerated:** August 21, 2006
- **Primary specialty:** Pathology - Anatomic Pathology · taxonomy 207ZP0101X
- **State license:** 48886 (Massachusetts)
- **Sole proprietor:** No
## Practice location
- **Address:** BETH ISREAL DEACONESS MED. CTR, 330 BROOKLINE AVENUE, Boston, MA 02215
- **Phone:** (617) 667-4344
## 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:** 3 organizations under Medicare reassignment (form CMS-855R): Beth Israel Deaconess Medical Center, Inc. (NPI 1548202641, Boston, MA); Harvard Medical Faculty Phys At Beth Israel Deaconess Med Ctr Inc (NPI 1194765438, Boston, MA); Children's Hospital Pathology Foundation, Inc. (NPI 1376502112, Boston, MA) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Yale University School Of Medicine, class of 1979
## Record status
- **NPPES last updated:** July 8, 2007
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Source: [NPI Profile](https://npiprofile.com/npi/1487760823) · Data from the CMS NPPES public registry.