DR. FOTIS GREGORY SOUSLIAN (M.D.) – Neurological Surgery Physician, NPI 1518159557
Neurological Surgery Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
176 NEUROSURGERY in MD
Provider Addresses for DR. FOTIS GREGORY SOUSLIAN (M.D.)
PO BOX 5693
DENVER, CO 802175693
Phone: (303) 306-7783
Fax: (303) 306-7753
Type: Mailing
2401 W BELVEDERE AVE
BALTIMORE, MD 212155216
Phone: (410) 601-4417
Fax: (410) 601-7138
Type: Location
South Broadway, Littleton, Arapahoe County, Colorado, 80122, United States
LITTLETON, CO 801222641
Phone: (720) 638-7500
Fax: (720) 583-6770
Type: Location
7601 Osler Dr
Towson, MD 212047700
Phone: (410) 337-4501
Type: Location
1601 E 19TH AVE STE 6100
DENVER, CO 802181255
Phone: (303) 414-2330
Fax: (303) 945-7856
Type: Mailing
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 25 Open Payments records for all available years, with a total value of $9,379.
Total Amount is formed as General ($9,379) + Research ($0) + Ownership ($0) = $9,379.
Last reported payment date: 2024-12-19 • Largest payer in this snapshot: Cerapedics Inc. ($5,313).
Total Amount
$9,379
General + Research + Ownership
Payments
25
Total payment records
General Amount
$9,379
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-12-19
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| Cerapedics Inc. | $5,313 |
| Globus Medical, Inc. | $1,808 |
| Orthofix Medical, Inc. | $1,500 |
| Medtronic, Inc. | $288 |
| SI-BONE, INC. | $210 |
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: 2024-04-16
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 |
|---|---|---|---|---|
| I20240416001102 | I | Neurosurgery | MD | 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 |
|---|---|---|---|---|
| 99232 | Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | 46 | 25 | $0 |
| 99291 | Critical care, first 30-74 minutes | 35 | 26 | $0 |
| 99222 | Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes | 16 | 15 | $0 |
| 99233 | Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes | 16 | 11 | $0 |
| 99223 | Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes | 12 | 12 | $0 |
Insurance plans in this area (ZIP 80217)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| Physician Assistant | MD | |
| N E U R O S U R G E R Y | MD | |
| Nurse Practitioner | NC | |
| Physician Assistant | MD | |
| Physician Assistant | MD | |
| Physician Assistant | MD | |
| Physician Assistant | MD | |
| Physician Assistant | MD | |
| Physician Assistant | MD | |
| Physician Assistant | MD |
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