Aliya Gull Hasan, MD
Gastroenterology Physician · Parker, CO
Aliya Gull Hasan, MD is a gastroenterology physician with a practice address in Parker, Colorado, and NPI 1912053539, issued on Jan 26, 2007. Check the license (Colorado DR.42308, as entered in NPPES) on the Colorado Medical Board; the Medicare figures below come from public CMS files.
- Name
- Aliya Gull Hasan
- Credential
- MD
- Primary taxonomy
- Gastroenterology Physician 207RG0100X
- License number
- DR.42308 CO
Self-reported in NPPES; status is on the state search - Practice location
- 9403 Crown Crest Blvd Ste 420, Parker, CO 80138
- Phone
- (303) 925-4720
- Enumerated
- Jan 26, 2007
- Record last updated
- Apr 17, 2025
- Fax
- (303) 925-4721
- Medicare enrollment
- Enrolled (PECOS I20070911000861); accepts Medicare assignment
- Medical or professional school
- New York University School Of Medicine, 1998
- Entity
- Type 1 · individual
8 nearest gastroenterology physician records → All 334 in Colorado → Look up another NPI →
Also registered at 9403 Crown Crest Blvd Ste 420
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Pujyitha Mandiga, MDGastroenterology Physician1740771401
- Nipun Reddy, M.D.Gastroenterology Physician1154524551
- Stephen Sears, MDGastroenterology Physician1457417594
Verify Aliya Gull Hasan in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersColorado Medical Board
Search for license DR.42308Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
92% fewer Medicare Part D claims than the average gastroenterology physician in 2024
64 Medicare Part D claims for 34 beneficiaries, against an average of 811 among the 16,445 providers of this specialty who prescribed in Part D.
Most prescribed
- Peg 3350-Electrolyte11 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
The practice group's MIPS final score for 2023 (Medicare payment program): 91.1 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Bills Medicare through one group practice
- Assoc IN Gastroenterology, PCColorado Springs, CO
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Aliya Gull Hasan among 334 gastroenterology physician records in Colorado
Aliya Gull Hasan, MD is one of 334 gastroenterology physician records with a practice address in Colorado. 84% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2007, is newer than 47% of them.
- NPI issued2007 · 47% of these records are older, 37% newer
- In a Medicare fileYes · 84% of these records are
- In the CMS Doctors and Clinicians fileYes · 77% of these records are
- Graduated1998 · median 2003 among the 258 with a school on file
- Record last updated2025 · 49% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RG0100X and a Colorado practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Gastroenterology Physician providers in Colorado
There are 334 gastroenterology physician records in Colorado.
All 334 in Colorado → Every provider in Parker → Gastroenterology Physician nationwide →
The 8 gastroenterology physician records with the nearest ZIP codes
- Pujyitha Mandiga, MDParker, CO 801381740771401
- Patrice Michaletz Onody, M.DParker, CO 801381861424582
- Nipun Reddy, M.D.Parker, CO 801381154524551
- Stephen Sears, MDParker, CO 801381457417594
- Miranda Ku, M.D.Highlands Ranch, CO 801291770513426
- Brenda Westhoff, D.O.Highlands Ranch, CO 801291922035476
- Paul Hobbs, M.D.Lone Tree, CO 801241780034074
- Madhan Iyengar, M.D.Lone Tree, CO 801241326316647
Common questions
What is Aliya Gull Hasan, MD's NPI number?
Aliya Gull Hasan, MD's National Provider Identifier (NPI) is 1912053539, issued on Jan 26, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Aliya Gull Hasan, MD located?
The NPPES record lists a practice address at 9403 Crown Crest Blvd Ste 420, Parker, CO, 80138. Phone: (303) 925-4720. Providers update this record themselves, so call before visiting.
How can I verify Aliya Gull Hasan, MD's license?
NPPES lists Colorado license number DR.42308, as entered by the provider. Search the Colorado Medical Board at https://dpo.colorado.gov/Medical. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Aliya Gull Hasan, MD prescribe under Medicare Part D?
In 2024, Aliya Gull Hasan, MD had 64 Medicare Part D claims for 34 beneficiaries; the average among gastroenterology physician prescribers was 811. Part D covers Medicare prescriptions only.
What is Aliya Gull Hasan, MD's MIPS final score?
The 2023 MIPS final score is 91.1 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.