Doctor profile · Federal record

Dr. Thomas Gianaris, M.D.

Neurological Surgery Physician (CMS: Neurosurgery) · Tyler, TX

  • NPI 1629417829
  • Accepts Medicare
  • MIPS 70.3 / 100 · 2023
  • 13 yrs in practice
  • Male
  • Solo practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
700 Olympic Plaza Cir Ste 850
Tyler, TX 757011955
(903) 595-2441
fax (903) 595-0743

Credentials & registration

NPPES · NUCC
NPI registered
June 2013 — 13 yrs on file
Profile last updated
October 22, 2024
Year of graduation
2013 — 13 yrs since
Specialty taxonomy
207T00000X — NUCC code
State license (1)
Texas #S7218

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1629417829. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
306
Distinct HCPCS
10
Medicare allowed
$41,036
HCPCS Description Services Patients Avg allowed
99213 Established patient office or other outpatient visit, 20-29 minutes 66 50 $86
99204 New patient office or other outpatient visit, 45-59 minutes 32 32 $159
99291 Critical care, first 30-74 minutes 32 17 $205
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 28 28 $125
99221 Initial hospital care with straightforward or low level of medical decision making, per day, if using time, at least 40 minutes 27 26 $80
99214 Established patient office or other outpatient visit, 30-39 minutes 26 23 $123
99203 New patient office or other outpatient visit, 30-44 minutes 25 25 $107
99212 Established patient office or other outpatient visit, 10-19 minutes 22 22 $54
63048 Partial removal of spine bone with release of spinal cord and/or nerves, each additional segment 21 11 $111
99231 Subsequent hospital care with straightforward or low level of medical decision making, per day, if using time, at least 25 minutes 15 13 $48

In context: peer comparison

Among 5 peers in Tyler Neurological Surgery Physician, average services per provider: 33. This provider delivers 9.3× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$27
Transactions
1
Manufacturers
1
Payer (manufacturer) Industry Txns Amount
Acera Surgical, INC. 1 $27.12

By nature of payment

Food and Beverage
$27

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
26
Patients
26
Total drug cost
$263
Drug Type Claims Patients Total cost
Methylprednisolone Generic 14 14 $129
Hydrocodone-Acetaminophen (Hydrocodone/Acetaminophen) Brand 12 12 $134

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Thomas Gianaris's medical specialty?
Dr. Thomas Gianaris practices Neurological Surgery Physician in Tyler, TX.
Where does Dr. Thomas Gianaris practice?
Dr. Thomas Gianaris practices at 700 Olympic Plaza Cir Ste 850, Tyler, TX 757011955. Office phone: 9035952441.
What is Dr. Thomas Gianaris's NPI?
Dr. Thomas Gianaris's National Provider Identifier (NPI) is 1629417829, issued by NPPES.
Does Dr. Thomas Gianaris accept Medicare assignment?
Yes. Dr. Thomas Gianaris accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Thomas Gianaris commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99213); New patient office or other outpatient visit (HCPCS 99204); Critical care (HCPCS 99291). Source: CMS Medicare Physician & Other Practitioners file.