Hilarie Claire Tomasiewicz, M.D./PH.D.
Neurosurgery (CMS) · Marietta, GA
At a glance
61 Whitcher St Ne Ste 3110, Marietta, GA 30060-1179
NPPES record updated Jul 11, 2023. Public records can lag behind changes at a practice.
Before you call: a quick checklist
- Are you accepting new patients?
- Do you accept my specific insurance plan?
- Do you provide the service I need at this address?
- Do I need a referral, and what is the earliest appointment?
Insurance participation and appointment availability are not established by these public records.
Medicare & insurance
Insurance participation is not established by these public records. Ask the practice and your insurer about your specific plan and this location.
How to check your coverage
Use your plan’s provider directory or the member-services number on your insurance card. Confirm the clinician, practice address, service, and whether a referral is required. A missing opt-out record does not establish Medicare acceptance.
Check the official Medicare directory ↗Practice location
61 Whitcher St Ne Ste 3110Marietta, GA 30060-1179
Additional reported practice locations
525 E 68Th StBox 99
New York, NY 100654870
Phone: 8664267787 1365 Clifton Rd Ne
Atlanta, GA 303224870
Phone: 6172564176 1 Gustave L Levy Pl
New York, NY 100296504
Phone: 2122412479
Education & affiliations
- Medical / professional school
- Not reported in this file
- Graduation year
- 2012
- CMS specialties
- Neurosurgery
Practice groups
Reported hospital affiliations
- Wellstar Cobb Medical Center Austell, GA
- Wellstar Douglas Medical Center Douglasville, GA
- Wellstar Kennestone Regional Medical Center Marietta, GA
- Wellstar North Fulton Medical Center Roswell, GA
- Wellstar Paulding Medical Center Hiram, GA
Graduation year does not establish years in practice. A reported affiliation does not establish employment, current admitting privileges, or insurance participation.
Source: CMS National Downloadable File · Published Oct 15, 2026.
Source: CMS Facility Affiliation Data · Published Oct 15, 2026.
Procedures in the public data
Reported activity can help you ask more informed questions about a practice’s services.
No displayed procedure-category record in this release. This does not mean the clinician performs no procedures.
CMS uses a one-year claims window with a reporting lag. Counts cover the Medicare activity included by CMS, not all patients. “1–10” is a published range. Volume is not a quality or outcomes score. Coverage and methodology
Source: CMS Utilization Data · Published Oct 15, 2026.
Find providers with a similar service mix
Compare 2024 published Medicare activity in the same reported specialty, here or in another city.
Industry-reported general payments
Includes reported transfers of value, such as meals, travel, or consulting. Payments do not establish improper conduct or quality of care. Research funding and ownership values are excluded from this total.
See payment purposes and reporting companies
Reported purposes
| Purpose | Amount |
|---|---|
| Travel and lodging | $1,477.50 |
| Food and beverage | $472.60 |
Reporting companies
| Company | Amount |
|---|---|
| MEDTRONIC, INC. | $1,837.00 |
| CLEARPOINT NEURO, INC. | $93.00 |
| SOLVENTUM CORPORATION | $20.10 |
Source: CMS 2025 payments grouped by covered recipient and nature of payments · Published Jun 30, 2026.
Professional details: NPI, taxonomy & registry record
Registry details
- Primary taxonomy
- Neurosurgery (CMS)
- Taxonomy code
- 207T00000X
- Enumeration date
- Apr 19, 2012
- Record updated
- Jul 11, 2023
More registry details
- Provider type
- Individual · Type 1
- Reported credentials
- M.D./PH.D.
Reported taxonomies and licenses
207T00000X
License reported: 306979 NY
207T00000X · Primary
License reported: 82673 GA
License numbers and credentials are reported to NPPES; HCPList does not independently verify them.
Practice location
61 Whitcher St Ne Ste 3110Marietta, GA 30060-1179
- Phone
- (770) 422-2326
- Fax
- (770) 422-7231
Mailing address
61 WHITCHER ST NE STE 3110MARIETTA, GA 300601179
Information may be outdated or incomplete. Confirm details directly with the practice. HCPList is an independent directory and is not affiliated with CMS.
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