Tessa Hawley Devries
Physician Assistant • Boston, MA
Professional Overview & Biography Verified Profile Summary
Tessa Devries is a registered healthcare professional specializing in Physician Assistant in Boston, MA. Practice services are available at 450 BROOKLINE AVE under active NPI credentials.
Frequently performed procedures and clinical services include subsequent hospital care with moderate levelof medical decision making, if using time, at least. Full Medicare procedure pricing transparency rates and service volume details are listed on this profile.
Practice Location & Contact Primary Location
450 Brookline Ave
Boston, MA 022155450
Specialty Benchmarks & Practice Insights
Comparative analytics for Physician Assistant in Boston, MA
Practicing in Boston, MA (4746 Statewide)
In-Person Office Visits Only
Under CMS Medicare Fee Schedule vs Standard Submitted Charges
Performed Procedures & Service Volume
Top Medicare Part B procedures performed by this practitioner
| HCPCS Code & Description | Services | Patients | Submitted Charge | Medicare Allowed |
|---|---|---|---|---|
|
99233
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes
|
15 | 13 | $416.00 | $107.48 |
Medical Specialties & State Licenses
CMS Verified: 2026-07-14NUCC Taxonomy Code: 363A00000X
A physician assistant is a person who has successfully completed an accredited education program for physician assistant, is licensed by the state and is practicing within the scope of that license. Physician assistants are formally trained to perform many of the routine, time-consuming tasks a physician can do. In some states, they may prescribe medications. They take medical histories, perform physical exams, order lab tests and x-rays, and give inoculations. Most states require that they work under the supervision of a physician.
Secondary Practice Locations
300 Longwood Ave
Boston, MA 021155724
Phone: 6173556000
55 Fruit St
Boston, MA 021142696
Phone: 6177262000
Practice Associates & Co-Workers
Healthcare professionals and specialists practicing at this location or sharing practice phone/fax
Nurse Practitioner
AGPCNPBC
Nurse Practitioner - Family
Internal Medicine - Hematology
Doctor of Medicine (M.D.)
Internal Medicine - Medical Oncology
Doctor of Medicine (M.D.), Doctor of Philosophy (Ph.D.)
Internal Medicine - Medical Oncology
Doctor of Medicine (M.D.), Doctor of Philosophy (Ph.D.)
Internal Medicine - Hematology
Doctor of Medicine (M.D.)
Career & Practice History Timeline
Chronological log of verified NPI updates, location relocations, credentials, and registry changes
Registered at 450 BROOKLINE AVE, BOSTON, MA 022155450 (Tel: 6176326140)
Registered at 450 BROOKLINE AVE, BOSTON, MA 022155450 (Tel: 6176326140)
Recorded as TESSA DEVRIES
Registered at 300 LONGWOOD AVE, BOSTON, MA 021155724 (Tel: 6173556000)
Registered at 300 LONGWOOD AVE, BOSTON, MA 021155724
Physician Assistant (License #PA7933 in MA)
Registered at 55 FRUIT ST, BOSTON, MA 021142696 (Tel: 6177262000)
NPI status registered as active in NPPES database
Registered at 170 WILLIAM ST, NEW YORK, NY 100382612 (Tel: 2123125000)
Registered at 39 KEYSTONE ST, WEST ROXBURY, MA 021325125
Recorded as TESSA JANUS
Physician Assistant
First registered as active Individual Practitioner in NPPES Database.
Patient & Community Reviews
Verified patient ratings, medical care experiences, and facility photos
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NPI Administrative Meta
Mailing Address
450 Brookline Ave
Boston, MA 022155450
Phone: 6176326140
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