ALIYA GULL HASAN (MD) – Gastroenterology Physician, NPI 1912053539
Gastroenterology Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
369 GASTROENTEROLOGY in CO
Provider Addresses for ALIYA GULL HASAN (MD)
2535 S Downing St
Ste 380
Denver, CO 802105850
Phone: (303) 260-2740
Fax: (303) 260-2741
Type: Location
PO BOX 110429
AURORA, CO 800420429
Phone: (303) 493-7000
Type: Mailing
100, Cook Street, Denver, Denver County, Colorado, 80206, United States
SUITE 312
DENVER, CO 80206
Phone: (720) 516-9408
Fax: (720) 516-9436
Type: Location
9403 CROWN CREST BLVD STE 420
PARKER, CO 801389049
Phone: (303) 925-4720
Fax: (303) 925-4721
Type: Mailing
12605 E 16th Ave
Aurora, CO 800452545
Phone: (720) 848-0000
Type: Location
100 Cook Street
suite 312
Denver, CO 80206
Phone: (720) 516-9408
Fax: (720) 516-9436
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: 2007-09-11
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 |
|---|---|---|---|---|
| I20070911000861 | I | Gastroenterology | CO | 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 |
|---|---|---|---|---|
| G0500 | Moderate sedation services provided by the same physician or other qualified health care professional performing a gastrointestinal endoscopic service that sedation supports, requiring the presence of an independent trained observer to assist in the monito | 29 | 29 | $0 |
| 45385 | Removal of polyps or growths of large bowel using an endoscope with mechanical snare | 17 | 17 | $0 |
| 43239 | Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope | 12 | 12 | $0 |
Insurance plans in this area (ZIP 80210)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| G A S T R O E N T E R O L O G Y | CO | |
| G A S T R O E N T E R O L O G Y | CO | |
| - | CO | |
| Nurse Practitioner | CO | |
| Physician Assistant | CO | |
| Physician Assistant | CO | |
| Nurse Practitioner | CO | |
| G A S T R O E N T E R O L O G Y | CO | |
| G A S T R O E N T E R O L O G Y | CO | |
| G A S T R O E N T E R O L O G Y | CO |
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