Mark B. Deem, DO
Family Medicine Physician · Aurora, CO
Mark B. Deem, DO is a family medicine physician with a practice address in Aurora, Colorado, and NPI 1538273644, issued on Aug 18, 2006. Check the license (Colorado DR.0059899, as entered in NPPES) on the Colorado Medical Board; the Medicare figures below come from public CMS files.
- Name
- Mark B. Deem
- Credential
- DO
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License numbers
- DR.0059899 CO
2006-00330 NC
Self-reported in NPPES; status is on the state search - Practice location
- 1080 S Sable Blvd, Aurora, CO 80012
- Phone
- (303) 552-9577
- Enumerated
- Aug 18, 2006
- Record last updated
- Apr 17, 2025
- Fax
- (415) 252-7176
- Medicaid ID
- 5905080 NC
- Medicare enrollment
- Enrolled (PECOS I20180702003231); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest family medicine physician records → All 3,563 in Colorado → Look up another NPI →
Also registered at 1080 S Sable Blvd
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Haleigh Borneman, NP-CFamily Nurse Practitioner1285179176
- Jessica Castano, PSY.D.Clinical Psychologist1023590510
- Timothy Eldridge, M.D.Internal Medicine Physician1447455852
- Michelle GravalosFamily Nurse Practitioner1740652833
- Aaron Hancock, DCChiropractor1174828909
- Meghan Taylor, M.D.Family Medicine Physician1821388729
Verify Mark B. Deem in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersColorado Medical Board
Search for license DR.0059899Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
46% more Medicare Part D claims than the average family medicine physician in 2024
5,163 Medicare Part D claims for 612 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. Brand-name drugs were 9% of claims. 119 claims were for opioids.
Most prescribed
- Atorvastatin Calcium354 claims
- Amlodipine Besylate218 claims
- Lisinopril212 claims
- Levothyroxine Sodium199 claims
- Gabapentin196 claims
- Omeprazole157 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.
Bills Medicare through one group practice
- Iora Health Colorado, P.C.Aurora, CO
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Mark B. Deem among 3,563 family medicine physician records in Colorado
Mark B. Deem, DO is one of 3,563 family medicine physician records with a practice address in Colorado. 76% 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 12% of them.
- NPI issued2006 · 12% of these records are older, 56% newer
- In a Medicare fileYes · 76% of these records are
- In the CMS Doctors and Clinicians fileYes · 58% of these records are
- Graduated1986 · median 2008 among the 2,077 with a school on file
- Record last updated2025 · 58% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207Q00000X and a Colorado practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
220 family medicine physician records list a practice address in Aurora
They are 220 of the 17,400 NPPES records with a practice address in Aurora, and 3,563 family medicine physician records in Colorado.
All 3,563 in Colorado → Every provider in Aurora → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
- Samuel Cloud, MDAurora, CO 800121720071491
- Howard Corren, MDAurora, CO 800121114994696
- Eric Groce, D.O.Aurora, CO 800121295723674
- Martin Hannemann, M.D.Aurora, CO 800121750382263
- Stephen HeinzAurora, CO 800121114900784
- Julia Jung, M.D.Aurora, CO 800121366403297
- Dena Lichfield, D.O.Aurora, CO 800121952375545
- Quinn Lichfield, D.O.Aurora, CO 800121770557357
Common questions
What is Mark B. Deem, DO's NPI number?
Mark B. Deem, DO's National Provider Identifier (NPI) is 1538273644, issued on Aug 18, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Mark B. Deem, DO located?
The NPPES record lists a practice address at 1080 S Sable Blvd, Aurora, CO, 80012. Phone: (303) 552-9577. Providers update this record themselves, so call before visiting.
How can I verify Mark B. Deem, DO's license?
NPPES lists Colorado license number DR.0059899, 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. Deem, DO prescribe under Medicare Part D?
In 2024, Mark B. Deem, DO had 5,163 Medicare Part D claims for 612 beneficiaries; the average among family medicine physician prescribers was 3,544. 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.