James Gruber, MD
Emergency Medicine Physician · Littleton, CO
James Gruber, MD is an emergency medicine physician with a practice address in Littleton, Colorado, and NPI 1407821028, issued on Feb 17, 2006. Check the license on the Colorado Medical Board; the Medicare figures below come from public CMS files.
- Name
- James Gruber
- Credential
- MD
- Primary taxonomy
- Emergency Medicine Physician 207P00000X
- Practice location
- 7700 S Broadway, Littleton, CO 80122
- Phone
- (303) 730-5800
- Enumerated
- Feb 17, 2006
- Entity
- Type 1 · individual
Also registered at 7700 S Broadway
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Carolyn Abman, MDObstetrics & Gynecology Physician1396824561
- Gleandy Adlaon Gott, NPNurse Practitioner1053538397
- Irfan Ali, D.O.Hospitalist Physician1649852419
- Stefen Ammon, MDEmergency Medicine Physician1730210733
- Jill Anderson, NNPCritical Care Neonatal Nurse Practitioner1720294622
- Tyler Anderson, PA-CStudent in an Organized Health Care Education/Training Program1700470101
Verify James Gruber in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersColorado Medical BoardCheck the board
- 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS, AOA, NCCPA, AANPNot checked
94% fewer Medicare Part D claims than the average emergency medicine physician in 2024
20 Medicare Part D claims, against an average of 355 among the 49,029 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of 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.
48 emergency medicine physician records list a Littleton practice address
They are 48 of the 3,918 NPPES records with a Littleton practice address, and 1,387 emergency medicine physician records in Colorado.
All 48 in Littleton → All 1,387 in Colorado → Every provider in Littleton →
Other emergency medicine physician records in Colorado
- Steven AaronsonDenver, CO1326081951
- Lauren AbbateAurora, CO1255624276
- Jean Abbott, MDAurora, CO1578672820
- William Abbott, M.D.Aurora, CO1013992361
- Charles Abramson, D.O.Glenwood Springs, CO1932335023
- Timothy Adair, PADenver, CO1356485072
- Alan Adams, MDSalida, CO1912972365
- Bruce Adams, M.D.Denver, CO1407946197
- Erik Adler, M.D.Denver, CO1699909739
- Natasha Aguirre, MDAurora, CO1184251563
Common questions
What is James Gruber, MD's NPI number?
James Gruber, MD's National Provider Identifier (NPI) is 1407821028, issued on Feb 17, 2006. An NPI identifies a provider in billing; it is not a license.
Where is James Gruber, MD located?
The NPPES record lists a practice address at 7700 S Broadway, Littleton, CO, 80122. Phone: (303) 730-5800. Providers update this record themselves, so call before visiting.
How can I verify James Gruber, MD's license?
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 James Gruber, MD prescribe under Medicare Part D?
In 2024, James Gruber, MD had 20 Medicare Part D claims; the average among emergency medicine physician prescribers was 355. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), loaded Aug 27, 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.
Every figure on PlainDoctor is rendered directly from the federal CMS NPPES registry, Medicare Part D, MIPS, and Open Payments records, no number is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 27, 2026.