Alan J. Merkow, MD
Anesthesiology Physician · Greeley, CO
Alan J. Merkow, MD is an anesthesiology physician with a practice address in Greeley, Colorado, and NPI 1073543062, issued on Jul 4, 2006. Check the license (Colorado 43721, as entered in NPPES) on the Colorado Medical Board; the federal record below is the public data PlainDoctor holds for this provider.
- Name
- Alan J. Merkow
- Credential
- MD
- Primary taxonomy
- Anesthesiology Physician 207L00000X
- License number
- 43721 CO
Self-reported in NPPES; status is on the state search - Practice location
- 1175 58TH Ave, Greeley, CO 80634
- Phone
- (970) 495-0300
- Enumerated
- Jul 4, 2006
- Record last updated
- Apr 25, 2008 (not updated in 18 years: call before relying on the address or phone)
- Fax
- (970) 224-9624
- Medicaid ID
- 16571843 CO
- Entity
- Type 1 · individual
Also registered at 1175 58TH Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Cynthia Dean, CNMAdvanced Practice Midwife1235178880
- Jan Gillespie-Wagner, MDInterventional Pain Medicine Physician1043293921
- Karen Jones, PA-CMedical Physician Assistant1265409742
- Valdon Landes, DOPain Medicine (Anesthesiology) Physician1750330312
- Melissa Martinez, PA-CMedical Physician Assistant1063697449
- Mary Maxwell, MDAnesthesiology Physician1649265265
Verify Alan J. Merkow in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersColorado Medical Board
Search for license 43721Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Anesthesiology Physician providers in Colorado
There are 1,202 anesthesiology physician records in Colorado. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.
Other anesthesiology physician records in Colorado
- Benjamin Aakre, MDAurora, CO1407140395
- Richard Abbott, MDGreenwood Village, CO1508839333
- James Abercrombie, MDColorado Springs, CO1184204711
- Benjamin Abrams, MDAurora, CO1619316742
- Peter Abromaitis, M.D.Wheat Ridge, CO1205277449
- David Abts, M.D.Aurora, CO1598086118
- Henri Acosta, MDGreenwood Village, CO1114073798
- Ryan Adams, MDFort Collins, CO1154448611
- Aaron Adler, MDBoulder, CO1932738358
- Aalok Agarwala, MDAurora, CO1699801068
Common questions
What is Alan J. Merkow, MD's NPI number?
Alan J. Merkow, MD's National Provider Identifier (NPI) is 1073543062, issued on Jul 4, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Alan J. Merkow, MD located?
The NPPES record lists a practice address at 1175 58TH Ave, Greeley, CO, 80634. Phone: (970) 495-0300. Providers update this record themselves, so call before visiting.
How can I verify Alan J. Merkow, MD's license?
NPPES lists Colorado license number 43721, 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.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. 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.