Erin Elizabeth Nealon, D.O
Internal Medicine Physician · Durango, CO
Erin Elizabeth Nealon, D.O is an internal medicine physician with a practice address in Durango, Colorado, and NPI 1912161456, issued on Jul 14, 2008. Check the license (Colorado 55603, as entered in NPPES) on the Colorado Medical Board; the Medicare figures below come from public CMS files.
- Name
- Erin Elizabeth Nealon
- Credential
- D.O
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License numbers
- 55603 CO
125.052768 IL
A-1544-10 NM
Self-reported in NPPES; status is on the state search - Practice location
- 3235 Main Ave, Durango, CO 81301
- Phone
- (970) 764-9300
- Enumerated
- Jul 14, 2008
- Record last updated
- Dec 14, 2015 (not updated in 11 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20151228001193); accepts Medicare assignment
- Medical or professional school
- Kansas City College Of Medicine And Surgery, 2007
- Entity
- Type 1 · individual
Also registered at 3235 Main Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Victor LopezSpecialist1346370566
Verify Erin Elizabeth Nealon in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersColorado Medical Board
Search for license 55603Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
73% fewer Medicare Part D claims than the average internal medicine physician in 2024
864 Medicare Part D claims for 28 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. 13 claims were for opioids.
Most prescribed
- Atorvastatin Calcium69 claims
- Lisinopril42 claims
- Omeprazole41 claims
- Levothyroxine Sodium39 claims
- Jardiance36 claims
- Metformin Hcl Er36 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
- Southern Ute Indian TribeIgnacio, CO
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Internal Medicine Physician providers in Colorado
There are 2,046 internal medicine physician records in Colorado.
Other internal medicine physician records in Colorado
- Emily Aaron, MDDenver, CO1205256971
- David Abbey, MS MDFort Collins, CO1568483196
- Tyler Abbey, DOGreeley, CO1730572694
- Sahar Abdelqader, MDLongmont, CO1366600710
- Ahmed Abdulrahman, MDPueblo, CO1093425068
- Durant Abernethy, M.D.Frisco, CO1427289040
- Alan Aboaf, MDCentennial, CO1003866393
- Adam Abraham, MDAurora, CO1720178304
- Phebe Abraham, MDGreeley, CO1558980540
- Richard Abrams, M.D.Denver, CO1174645386
Common questions
What is Erin Elizabeth Nealon, D.O's NPI number?
Erin Elizabeth Nealon, D.O's National Provider Identifier (NPI) is 1912161456, issued on Jul 14, 2008. An NPI identifies a provider in billing; it is not a license.
Where is Erin Elizabeth Nealon, D.O located?
The NPPES record lists a practice address at 3235 Main Ave, Durango, CO, 81301. Phone: (970) 764-9300. Providers update this record themselves, so call before visiting.
How can I verify Erin Elizabeth Nealon, D.O's license?
NPPES lists Colorado license number 55603, 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 Erin Elizabeth Nealon, D.O prescribe under Medicare Part D?
In 2024, Erin Elizabeth Nealon, D.O had 864 Medicare Part D claims for 28 beneficiaries; the average among internal medicine physician prescribers was 3,176. 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.