DR. GREGG A SHALAN (M.D.) – Neurocritical Care Physician, NPI 1710979091
Neurocritical Care Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
1,742 NEUROLOGY in TX
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Provider Addresses for DR. GREGG A SHALAN (M.D.)
Methodist Dallas Medical Center, 1441, North Beckley Avenue, Dallas, TX, Dallas, Dallas County, Texas, 75203, United States
5TH FLOOR
DALLAS, TX 752031201
Phone: (214) 943-9300
Fax: (214) 942-3549
Type: Location
221 W COLORADO BLVD STE 525
DALLAS, TX 752082312
Phone: (214) 956-4525
Type: Location
1441 N Beckley Ave
5TH FLOOR
Dallas, TX 752031201
Phone: (214) 943-9300
Fax: (214) 942-3549
Type: Location
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
No Open Payments data available for this provider.
This can happen when there are no reportable CMS Open Payments records.
Medicare Enrollment & Revalidation
Source: CMS public data · Not endorsed by CMS ·
Educational use only—not medical, billing, or legal advice.
PECOS enrollment status
Participating (accepts Medicare assignment)
Enrollment effective: 2010-03-23
PECOS data refreshed: 2026-05-27
Medicare revalidation (CMS due date list)
Due date not assigned yet
CMS is tracking this Medicare enrollment for revalidation, but has not published a due date.
Enrollment records
1
Earliest due date
Not assigned (TBD)
CMS data updated
2026-06-01
Revalidation progress
- Medicare enrolled
- On CMS revalidation list
- Due date assigned
- Revalidate in PECOS
CMS enrollment records
| Enrollment ID | Type | Specialty | State | Due date |
|---|---|---|---|---|
| I20100323000319 | I | Neurology | TX | TBD |
What to do next
- No action required while the due date shows TBD.
- Check the CMS Revalidation Lookup Tool periodically — CMS updates the list about every 60 days.
- Do not submit a revalidation application in PECOS until CMS publishes a concrete due date.
Prepare CMS-855 application → · Look up this NPI in PECOS → · Verify on CMS PECOS
Medicare Utilization (FFS)
Source: CMS public data · Not endorsed by CMS · Beneficiary counts under 11 are suppressed in source data ·
Educational use only—not medical, billing, or legal advice.
Top Medicare procedures (2023) · refreshed 2026-05-27
| HCPCS | Description | Services | Beneficiaries | Medicare allowed |
|---|---|---|---|---|
| 99291 | Critical care, first 30-74 minutes | 193 | 29 | $0 |
| 99232 | Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | 173 | 61 | $0 |
| 95816 | Measurement of brain wave activity (eeg), awake and drowsy | 99 | 96 | $0 |
| 99233 | Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes | 49 | 25 | $0 |
| 99223 | Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes | 26 | 26 | $0 |
Insurance plans in this area (ZIP 75203)
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Provider's Procedures
| Specialty | Practice State | HCPCS Code | Description | Service Count | Beneficiary Count |
|---|---|---|---|---|---|
| NEUROLOGY | TX | 76942 | Ultrasonic guidance imaging supervision and interpretation for insertion of needle | 11 | 11 |
Group practice members
| Name | Specialty | State |
|---|---|---|
| Nurse Practitioner | TX | |
| Neurology, Critical Care (Intensivists) | TX | |
| Nurse Practitioner | TX | |
| Nurse Practitioner | TX | |
| - | TX | |
| Nurse Practitioner | TX | |
| Nurse Practitioner | OR | |
| Nurse Practitioner | AL | |
| Nurse Practitioner | TX | |
| Critical Care (Intensivists), Pulmonary Disease | TX |
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