MARISA G TIEGER MD
NPI 1174972541
Ophthalmology in Boston, MA
About Marisa G Tieger Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MARISA G TIEGER MD (NPI 1174972541) is an individual ophthalmology provider in Boston, Massachusetts, licensed in Massachusetts (283022) and active in the NPI registry since June 2016. She is enrolled in Medicare PECOS, is affiliated with Lowell General Hospital, and is a graduate of Tufts University School Of Medicine (2016).
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
Marisa G Tieger 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 Reassignments
4Medicare enrollment records show Marisa Tieger reassigns Medicare billing to 4 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Boston, MA 02111
- Reassigned Medicare billing, Massachusetts enrollment
- 106 clinicians in this Medicare group
Wellesley, MA 02481
- Reassigned Medicare billing, Massachusetts enrollment
- Medicare enrollment name: Newton Wellesley Eye Associates PC
- 18 clinicians in this Medicare group
Chelmsford, MA 01824
- Reassigned Medicare billing, Massachusetts enrollment
- 13 clinicians in this Medicare group
Andover, MA 01810
- Reassigned Medicare billing, Massachusetts and New Hampshire enrollments
- 18 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 18
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 2
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Lowell General Hospital
Acute Care Hospitals · Lowell, MATufts Medical Center
Acute Care Hospitals · Boston, MAPhysician 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.
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
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 Marisa Tieger's NPI number?
The NPI number for Marisa Tieger is 1174972541. It was assigned to this individual provider in the NPPES registry on June 7, 2016.
Where is Marisa Tieger located?
Marisa Tieger practices at 243 Charles St, Boston, MA 02114. The listed phone number is (617) 573-3416.
What is Marisa Tieger's specialty?
The primary specialty registered for this NPI is Ophthalmology with taxonomy code 207W00000X.
Is Marisa Tieger enrolled in Medicare?
Yes. Marisa Tieger 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 Marisa Tieger's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Marisa Tieger reassigns Medicare benefits to 4 organizations: Pratt Ophthalmology Associates Inc (Boston, MA), Newton Wellesley Eye Associates, P.C. (Wellesley, MA), Massachusetts Eye Associates PC (Chelmsford, MA) and Andover Eye Associates, Inc (Andover, 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 Marisa Tieger's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Marisa Tieger accept?
Health plans from Anthem Blue Cross and Blue Sheld, Anthem Blue Cross and Blue Shield, Blue Cross and Blue Shield of Montana, Blue Cross and Blue Shield of Oklahoma and Blue Cross and Blue Shield of Texas list Marisa Tieger 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 Marisa Tieger affiliated with any hospitals?
According to CMS data, Marisa Tieger is affiliated with Lowell General Hospital and Tufts Medical Center.
When was this NPI record last updated?
The NPPES record for Marisa Tieger was last updated on June 29, 2020. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 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.
# Marisa G Tieger, MD · NPI 1174972541
Ophthalmology physician in Boston, Massachusetts. Individual provider, active in the CMS NPPES registry since June 7, 2016.
## Identity
- **NPI:** 1174972541 (Entity type: Individual)
- **Enumerated:** June 7, 2016
- **Primary specialty:** Ophthalmology · taxonomy 207W00000X
- **State license:** 283022 (Massachusetts)
- **Sole proprietor:** No
## Practice location
- **Address:** 243 CHARLES ST, Boston, MA 02114-3002
- **Phone:** (617) 573-3416
## 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:** 4 organizations under Medicare reassignment (form CMS-855R): Pratt Ophthalmology Associates Inc (NPI 1083660534, Boston, MA); Newton Wellesley Eye Associates, P.C. (NPI 1962422741, Wellesley, MA); Massachusetts Eye Associates PC (NPI 1912999095, Chelmsford, MA); Andover Eye Associates, Inc (NPI 1588678551, Andover, MA) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Tufts University School Of Medicine, class of 2016
## Record status
- **NPPES last updated:** June 29, 2020
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Source: [NPI Profile](https://npiprofile.com/npi/1174972541) · Data from the CMS NPPES public registry.