Doctor profile · Federal record

Dr. Gregg Shalan, M.D.

Neurocritical Care Physician (CMS: Neurology) · Neurology Physician · Dallas, TX

  • NPI 1710979091
  • Accepts Medicare
  • 35 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

Operates at 2 locations .

NPPES Updated May 11, 2026
Primary practice
221 W Colorado Blvd Ste 525
Dallas, TX 752082312
(214) 956-4525
Additional location
1441 N Beckley Ave, 5Th Floor
Dallas, TX 752031201
(214) 943-9300
fax (214) 942-3549

Credentials & registration

NPPES · NUCC
NPI registered
August 2005 — 21 yrs on file
Profile last updated
November 4, 2022
Year of graduation
1991 — 35 yrs since
Specialty taxonomy
2084A2900X — NUCC code
State license (1)
Texas #J8126
Medicaid
TX #PO88X2302

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1710979091. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
577
Distinct HCPCS
7
Medicare allowed
$69,055
HCPCS Description Services Patients Avg allowed
99291 Critical care, first 30-74 minutes 193 29 $199
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 173 61 $74
95816 Measurement of brain wave activity (eeg), awake and drowsy 99 96 $52
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 49 25 $111
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 26 26 $162
95822 Measurement of brain wave activity (eeg), in coma or asleep 20 17 $53
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 17 17 $116

In context: peer comparison

Among 5 peers in Dallas Neurocritical Care Physician, average services per provider: 102. This provider delivers 5.7× the peer median.

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Gregg Shalan's medical specialty?
Dr. Gregg Shalan practices Neurocritical Care Physician in Dallas, TX.
Where does Dr. Gregg Shalan practice?
Dr. Gregg Shalan practices at 221 W Colorado Blvd Ste 525, Dallas, TX 752082312. Office phone: 2149564525.
What is Dr. Gregg Shalan's NPI?
Dr. Gregg Shalan's National Provider Identifier (NPI) is 1710979091, issued by NPPES.
Does Dr. Gregg Shalan accept Medicare assignment?
Yes. Dr. Gregg Shalan accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Gregg Shalan commonly perform?
Top Medicare-reported procedures in 2023: Critical care (HCPCS 99291); Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232); Measurement of brain wave activity (eeg), awake and drowsy (HCPCS 95816). Source: CMS Medicare Physician & Other Practitioners file.