DR. THADDEUS P. DRYJA MD
NPI 1619961968
Ophthalmology in Boston, MA
About Dr. Thaddeus P. Dryja Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. THADDEUS P. DRYJA MD (NPI 1619961968) is an individual ophthalmology provider in Boston, Massachusetts, licensed in Massachusetts (41891) and active in the NPI registry since September 2005. He is enrolled in Medicare PECOS, is affiliated with Massachusetts General Hospital, and is a graduate of Yale University School Of Medicine (1976).
NPPES Registry Identity
Specialties & Licenses 2
Other Identifiers 3
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
Dr. Thaddeus P. Dryja 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
3Medicare enrollment records show Thaddeus Dryja reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Boston, MA 02114
- Reassigned Medicare billing, Massachusetts enrollment
- 478 clinicians in this Medicare group
Boston, MA 02114
- Reassigned Medicare billing, Massachusetts enrollment
- 6,234 clinicians in this Medicare group
Boston, MA 02114
- Reassigned Medicare billing, Massachusetts enrollment
- 6,360 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 4
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.
Massachusetts General Hospital
Acute Care Hospitals · Boston, MAMassachusetts Eye And Ear Infirmary -
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 Thaddeus Dryja's NPI number?
The NPI number for Thaddeus Dryja is 1619961968. It was assigned to this individual provider in the NPPES registry on September 1, 2005.
Where is Thaddeus Dryja located?
Thaddeus Dryja practices at 243 Charles St, Boston, MA 02114. The listed phone number is (617) 573-3319.
What is Thaddeus Dryja's specialty?
The primary specialty registered for this NPI is Ophthalmology with taxonomy code 207W00000X.
Is Thaddeus Dryja enrolled in Medicare?
Yes. Thaddeus Dryja 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 Thaddeus Dryja's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Thaddeus Dryja reassigns Medicare benefits to 3 organizations: Massachusetts Eye And Ear Associates, Inc. (Boston, MA), The General Hospital Corporation (Boston, MA) and Massachusetts General Physicians Organization 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 Thaddeus Dryja's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Thaddeus Dryja accept?
Health plans from Anthem Blue Cross and Blue Shield and Taro Health list Thaddeus Dryja 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 Thaddeus Dryja affiliated with any hospitals?
According to CMS data, Thaddeus Dryja is affiliated with Massachusetts General Hospital and Massachusetts Eye And Ear Infirmary -.
When was this NPI record last updated?
The NPPES record for Thaddeus Dryja was last updated on October 8, 2010. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 16 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. Thaddeus P. Dryja, MD · NPI 1619961968
Ophthalmology physician in Boston, Massachusetts. Individual provider, active in the CMS NPPES registry since September 1, 2005.
## Identity
- **NPI:** 1619961968 (Entity type: Individual)
- **Enumerated:** September 1, 2005
- **Primary specialty:** Ophthalmology · taxonomy 207W00000X
- **State license:** 41891 (Massachusetts)
- **Sole proprietor:** No
## Practice location
- **Address:** 243 CHARLES ST, Boston, MA 02114-3002
- **Phone:** (617) 573-3319
## 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): Massachusetts Eye And Ear Associates, Inc. (NPI 1932574332, Boston, MA); The General Hospital Corporation (NPI 1023049236, Boston, MA); Massachusetts General Physicians Organization Inc (NPI 1801874573, Boston, MA) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Yale University School Of Medicine, class of 1976
## Record status
- **NPPES last updated:** October 8, 2010
- **Other identifiers:** Medicare ID-Type Unspecified C20263 (MA); Medicaid 0148296 (MA); Medicare UPIN B73592 (MA)
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Source: [NPI Profile](https://npiprofile.com/npi/1619961968) · Data from the CMS NPPES public registry.