Mark B. Foster, MD
Hospitalist Physician · Aurora, CO
Mark B. Foster, MD is a hospitalist physician with a practice address in Aurora, Colorado, and NPI 1629414636, issued on May 16, 2013. Check the license (Colorado DR.0056689, as entered in NPPES) on the Colorado Medical Board; the Medicare figures below come from public CMS files.
- Name
- Mark B. Foster
- Credential
- MD
- Primary taxonomy
- Hospitalist Physician 208M00000X
- License numbers
- DR.0056689 CO
4301102886 MI
Self-reported in NPPES; status is on the state search - Practice location
- 1501 S Potomac St, Aurora, CO 80012
- Phone
- (303) 338-4545
- Enumerated
- May 16, 2013
- Record last updated
- Jun 11, 2021 (not updated in 5 years: call before relying on the address or phone)
- Medicaid ID
- 9000146060 CO
- Medicare enrollment
- Enrolled (PECOS I20170504001604); accepts Medicare assignment
- Medical or professional school
- University Of North Carolina At Chapel Hill School Of Medicine, 2013
- Entity
- Type 1 · individual
8 nearest hospitalist physician records → All 806 in Colorado → Look up another NPI →
Also registered at 1501 S Potomac St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Kalen AbbottEmergency Medicine Physician1174899314
- Derek AbelPharmacist1871251082
- Paige ArcheyEmergency Medicine Physician1083697783
- Judith Barrios, RNEmergency Registered Nurse1770399701
- Christopher BassettEmergency Medicine Physician1891060133
- Cara Bauman, PA-CPhysician Assistant1649409533
Verify Mark B. Foster in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersColorado Medical Board
Search for license DR.0056689Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
96% fewer Medicare Part D claims than the average hospitalist physician in 2024
23 Medicare Part D claims, against an average of 521 among the 21,613 providers of this specialty who prescribed in Part D.
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.
Bills Medicare through one group practice
- Colorado Permanente Medical Group PCAurora, CO
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Mark B. Foster among 806 hospitalist physician records in Colorado
Mark B. Foster, MD is one of 806 hospitalist physician records with a practice address in Colorado. 85% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2013, is newer than 51% of them.
- NPI issued2013 · 51% of these records are older, 44% newer
- In a Medicare fileYes · 85% of these records are
- In the CMS Doctors and Clinicians fileYes · 77% of these records are
- Graduated2013 · median 2012 among the 622 with a school on file
- Record last updated2021 · 38% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 208M00000X and a Colorado practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
269 hospitalist physician records list a practice address in Aurora
They are 269 of the 17,400 NPPES records with a practice address in Aurora, and 806 hospitalist physician records in Colorado.
All 806 in Colorado → Every provider in Aurora → Hospitalist Physician nationwide →
The 8 hospitalist physician records with the nearest ZIP codes
- Victoria BenderAurora, CO 800121922535699
- Brock Cardon, M.D.Aurora, CO 800121427439694
- James Fitman, DOAurora, CO 800121932637733
- Oliver Garbo, D.O.Aurora, CO 800121578096467
- Isaac Hernandez, M.D.Aurora, CO 800121144649773
- Sarah Moreland, M.D.Aurora, CO 800121750730503
- Vladimir PechAurora, CO 800121639509490
- Mauricio Rebolledo Medranda, M.D.Aurora, CO 800121396003943
Common questions
What is Mark B. Foster, MD's NPI number?
Mark B. Foster, MD's National Provider Identifier (NPI) is 1629414636, issued on May 16, 2013. An NPI identifies a provider in billing; it is not a license.
Where is Mark B. Foster, MD located?
The NPPES record lists a practice address at 1501 S Potomac St, Aurora, CO, 80012. Phone: (303) 338-4545. Providers update this record themselves, so call before visiting.
How can I verify Mark B. Foster, MD's license?
NPPES lists Colorado license number DR.0056689, 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 Mark B. Foster, MD prescribe under Medicare Part D?
In 2024, Mark B. Foster, MD had 23 Medicare Part D claims; the average among hospitalist physician prescribers was 521. 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.