NPI age
14 years
Enumerated 2012-04-19
● Active
Type 1 · Individual
DR. Hilarie Claire Tomasiewicz, M.D./PH.D.
Tomasiewicz is 1 of 15 neurological surgery providers in Marietta and 1 of 313 in Georgia.
Primary specialty
Neurological Surgery
Plus 1 subspecialty
Licensed in
GA, NY
2 states
Status
Active
No deactivations on record
Last NPPES update
2023-07-11
Source: monthly bulk 2026-05
Sole proprietor
No
May be part of a larger org
How this provider compares
Across 313 active neurological surgery providers in Georgia.
NPI age
14 years
↓ 3 yr below median (17 yr)
State licenses
2 states
Top 80% — 19% of peers are multi-state
Subspecialties
0
31% of peers hold subspecialties
NPI lifetime · 2012 → 2026
2012-04Enumerated in NPPES
2012
2026
Where they practice
Practice location
61 Whitcher St Ne Ste 3110
Marietta, GA 300601179
Mailing address
61 Whitcher St Ne Ste 3110
Marietta, GA 300601179
Additional practice locations
3 secondary locations on file with NPPES.
Location 2
525 E 68th St, Box 99
New York, NY 100654870
Location 3
1365 Clifton Rd Ne
Atlanta, GA 303224870
Location 4
1 Gustave L Levy Pl
New York, NY 100296504
Specialties
-
Neurological Surgery PrimaryA neurological surgeon provides the operative and non-operative management (i.e., prevention, diagnosis, evaluation, treatment, critical care, and rehabilitation) of disorders of the central, peripheral, and autonomic nervous systems,...
Practice context
Part of a multi-provider practice. 21 other active providers share this practice address in NPPES.
Provyx · Custom healthcare lists
Need all 313 Neurological Surgery providers in Georgia?
Provyx verifies the list to your scope. Business emails and direct lines are looked up at delivery, validated, and not stored.
Request a quote →How to verify this provider
- Confirm the NPI on NPPES.The CMS registry is the system of record. Open NPPES →
- Check the state license is currently active.State licensing boards publish current status; NPPES does not.
- Confirm payer enrollment if billing.NPI presence does not guarantee active enrollment with Medicare, Medicaid, or commercial payers.