Masi Khaja, MD
Gastroenterology Physician · Grand Junction, CO
Masi Khaja, MD is a gastroenterology physician with a practice address in Grand Junction, Colorado, and NPI 1982642526, issued on Jun 4, 2006. Check the license (Colorado DR44639, as entered in NPPES) on the Colorado Medical Board; the Medicare figures below come from public CMS files.
- Name
- Masi Khaja
- Credential
- MD
- Primary taxonomy
- Gastroenterology Physician 207RG0100X
- License numbers
- DR44639 CO
Q0950 TX
Self-reported in NPPES; status is on the state search - Practice location
- 2460 Patterson RD Unit 4, Grand Junction, CO 81505
- Phone
- (970) 245-0990
- Enumerated
- Jun 4, 2006
- Record last updated
- Apr 6, 2017 (not updated in 9 years: call before relying on the address or phone)
- Fax
- (970) 644-6446
- Medicaid ID
- 1982642526 CO
- Medicare enrollment
- Enrolled (PECOS I20151005002754); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest gastroenterology physician records → All 334 in Colorado → Look up another NPI →
Also registered at 2460 Patterson RD Unit 4
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Kenneth Lewis, MDPain Medicine (Anesthesiology) Physician1285776864
Verify Masi Khaja in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersColorado Medical Board
Search for license DR44639Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
43% fewer Medicare Part D claims than the average gastroenterology physician in 2024
462 Medicare Part D claims for 245 beneficiaries, against an average of 811 among the 16,445 providers of this specialty who prescribed in Part D. Brand-name drugs were 22% of claims.
Most prescribed
- Gavilyte-G106 claims
- Pantoprazole Sodium75 claims
- Omeprazole50 claims
- Peg-3350 And Electrolytes43 claims
- Linzess18 claims
- Tenofovir Disoproxil Fumarate16 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.
Industry payments in 2024: $2,093.66
17 payments; by number, the most common kind was consulting fee; the largest payer was Takeda Pharmaceuticals U.S.A., 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
- Capitol Gastro, PAAustin, TX
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Masi Khaja among 334 gastroenterology physician records in Colorado
Masi Khaja, 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 2006, is newer than 7% of them.
- NPI issued2006 · 7% of these records are older, 53% newer
- In a Medicare fileYes · 84% of these records are
- In the CMS Doctors and Clinicians fileYes · 77% of these records are
- Graduated1999 · median 2003 among the 258 with a school on file
- Record last updated2017 · 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 Grand Junction → Gastroenterology Physician nationwide →
The 8 gastroenterology physician records with the nearest ZIP codes
- Bernard Pacini, M.D.Grand Junction, CO 815061699969667
- Eugene Crafton, M.DGrand Junction, CO 815011508874850
- Ellen Dy, M.D.Grand Junction, CO 815011053317578
- Brent Prosser, M.D.Grand Junction, CO 815011063579555
- Philip Sarges, MDGrand Junction, CO 815011538393939
- Steven Seagren, MDGrand Junction, CO 815011184665655
- William Shields, D.O.Grand Junction, CO 815011245203561
- Eric Gochanour, MDGlenwood Springs, CO 816011306225396
Common questions
What is Masi Khaja, MD's NPI number?
Masi Khaja, MD's National Provider Identifier (NPI) is 1982642526, issued on Jun 4, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Masi Khaja, MD located?
The NPPES record lists a practice address at 2460 Patterson RD Unit 4, Grand Junction, CO, 81505. Phone: (970) 245-0990. Providers update this record themselves, so call before visiting.
How can I verify Masi Khaja, MD's license?
NPPES lists Colorado license number DR44639, 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 Masi Khaja, MD prescribe under Medicare Part D?
In 2024, Masi Khaja, MD had 462 Medicare Part D claims for 245 beneficiaries; the average among gastroenterology physician prescribers was 811. Part D covers Medicare prescriptions only.
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.