Amanda Sullivan, DO
Gastroenterology Physician · Littleton, CO
Amanda Sullivan, DO is a gastroenterology physician with a practice address in Littleton, Colorado, and NPI 1124557863, issued on Jun 7, 2017. Check the license (Colorado DR.0063937, as entered in NPPES) on the Colorado Medical Board; the Medicare figures below come from public CMS files.
- Name
- Amanda Sullivan
- Credential
- DO
- Primary taxonomy
- Gastroenterology Physician 207RG0100X
- License number
- DR.0063937 CO
Self-reported in NPPES; status is on the state search - Practice location
- 1001 Southpark Dr, Littleton, CO 80120
- Phone
- (303) 722-8987
- Enumerated
- Jun 7, 2017
- Record last updated
- Apr 12, 2023
- Medicare enrollment
- Enrolled (PECOS I20230709000095); accepts Medicare assignment
- Medical or professional school
- University Of Pikeville, Kentucky College Of Osteopathic Med, 2017
- Entity
- Type 1 · individual
8 nearest gastroenterology physician records → All 334 in Colorado → Look up another NPI →
Also registered at 1001 Southpark Dr
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Bahri Bilir, MDGastroenterology Physician1649266701
- Luke Evans, M.D.Gastroenterology Physician1205822707
- Lindsay Fawcett, NPFamily Nurse Practitioner1053982967
- Nuray Gun, MDGastroenterology Physician1720073323
- Steven Lawrence, MDGastroenterology Physician1487641106
- Laura Maron, RDRegistered Dietitian1891456844
Verify Amanda Sullivan in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersColorado Medical Board
Search for license DR.0063937Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
82% fewer Medicare Part D claims than the average gastroenterology physician in 2024
144 Medicare Part D claims for 73 beneficiaries, against an average of 811 among the 16,445 providers of this specialty who prescribed in Part D. Brand-name drugs were 14% of claims.
Most prescribed
- Omeprazole54 claims
- Pantoprazole Sodium18 claims
- Gavilyte-G13 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): 54.2 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).
Industry payments in 2024: $974.65
48 payments; by number, the most common kind was food and beverage; the largest payer was Abbvie Inc. The 13,350 providers of this specialty with any payment received $5,015.95 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through one group practice
- Rocky Mountain Gastroenterology Associates, PLLCLittleton, CO
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Amanda Sullivan among 334 gastroenterology physician records in Colorado
Amanda Sullivan, DO 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 2017, is newer than 90% of them.
- NPI issued2017 · 90% of these records are older, 7% newer
- In a Medicare fileYes · 84% of these records are
- In the CMS Doctors and Clinicians fileYes · 77% of these records are
- Graduated2017 · median 2003 among the 258 with a school on file
- Record last updated2023 · 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 Littleton → Gastroenterology Physician nationwide →
The 8 gastroenterology physician records with the nearest ZIP codes
- Bahri Bilir, MDLittleton, CO 801201649266701
- Luke Evans, M.D.Littleton, CO 801201205822707
- Nuray Gun, MDLittleton, CO 801201720073323
- Steven Lawrence, MDLittleton, CO 801201487641106
- James Rhee, MDLittleton, CO 801201033105531
- Erik Springer, MDLittleton, CO 801201194711622
- Andrzej Triebling, MDLittleton, CO 801201487640017
- Jeffrey Huston, M.D.Centennial, CO 801221144257031
Common questions
What is Amanda Sullivan, DO's NPI number?
Amanda Sullivan, DO's National Provider Identifier (NPI) is 1124557863, issued on Jun 7, 2017. An NPI identifies a provider in billing; it is not a license.
Where is Amanda Sullivan, DO located?
The NPPES record lists a practice address at 1001 Southpark Dr, Littleton, CO, 80120. Phone: (303) 722-8987. Providers update this record themselves, so call before visiting.
How can I verify Amanda Sullivan, DO's license?
NPPES lists Colorado license number DR.0063937, 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 Amanda Sullivan, DO prescribe under Medicare Part D?
In 2024, Amanda Sullivan, DO had 144 Medicare Part D claims for 73 beneficiaries; the average among gastroenterology physician prescribers was 811. Part D covers Medicare prescriptions only.
What is Amanda Sullivan, DO's MIPS final score?
The 2023 MIPS final score is 54.2 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.