David A. Dreitlein, MD
Emergency Medicine Physician · Montrose, CO
David A. Dreitlein, MD is an emergency medicine physician with a practice address in Montrose, Colorado, and NPI 1366465957, issued on Jul 25, 2006. Check the license (Colorado CO40257, as entered in NPPES) on the Colorado Medical Board; the Medicare figures below come from public CMS files.
- Name
- David A. Dreitlein
- Credential
- MD
- Primary taxonomy
- Emergency Medicine Physician 207P00000X
- License number
- CO40257 CO
Self-reported in NPPES; status is on the state search - Practice location
- 87 Merchant Dr, Montrose, CO 81401
- Phone
- (970) 252-8896
- Enumerated
- Jul 25, 2006
- Record last updated
- Nov 14, 2022
- Fax
- (970) 240-3095
- Medicaid ID
- 91025583 CO
- Medicare enrollment
- Enrolled (PECOS I20100728001214); accepts Medicare assignment
- Medical or professional school
- University Of Colorado School Of Medicine, Denver, 1998
- Entity
- Type 1 · individual
8 nearest emergency medicine physician records → All 1,434 in Colorado → Look up another NPI →
Also registered at 87 Merchant Dr
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify David A. Dreitlein in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersColorado Medical Board
Search for license CO40257Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
72% fewer Medicare Part D claims than the average emergency medicine physician in 2024
63 Medicare Part D claims for 29 beneficiaries, against an average of 226 among the 54,106 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
- Keefe Memorial Health Service DistrictCheyenne Wells, CO
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
David A. Dreitlein among 1,434 emergency medicine physician records in Colorado
David A. Dreitlein, MD is one of 1,434 emergency medicine physician records with a practice address in Colorado. 77% 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, 57% newer
- In a Medicare fileYes · 77% of these records are
- In the CMS Doctors and Clinicians fileYes · 57% of these records are
- Graduated1998 · median 2011 among the 810 with a school on file
- Record last updated2022 · 59% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207P00000X and a Colorado practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
13 emergency medicine physician records list a practice address in Montrose
They are 13 of the 757 NPPES records with a practice address in Montrose, and 1,434 emergency medicine physician records in Colorado.
All 1,434 in Colorado → Every provider in Montrose → Emergency Medicine Physician nationwide →
The 8 emergency medicine physician records with the nearest ZIP codes
- Douglas Borgo, MDMontrose, CO 814011063420727
- Matthew Cotham, M.D.Montrose, CO 814011790715456
- Alexis Garza, MDMontrose, CO 814011053699637
- Cynthia Lonneman, MDMontrose, CO 814011538380365
- Avery Mackenzie, M.D.Montrose, CO 814011942563432
- Kerstin May-Michelich, MDMontrose, CO 814011790911709
- Kevin McAllister, M.D.Montrose, CO 814011497289516
- Jacob Nacht, M.D.Montrose, CO 814011023437944
Common questions
What is David A. Dreitlein, MD's NPI number?
David A. Dreitlein, MD's National Provider Identifier (NPI) is 1366465957, issued on Jul 25, 2006. An NPI identifies a provider in billing; it is not a license.
Where is David A. Dreitlein, MD located?
The NPPES record lists a practice address at 87 Merchant Dr, Montrose, CO, 81401. Phone: (970) 252-8896. Providers update this record themselves, so call before visiting.
How can I verify David A. Dreitlein, MD's license?
NPPES lists Colorado license number CO40257, 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 David A. Dreitlein, MD prescribe under Medicare Part D?
In 2024, David A. Dreitlein, MD had 63 Medicare Part D claims for 29 beneficiaries; the average among emergency medicine physician prescribers was 226. 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.