NPPES file of Aug 9, 2026

John Owen Ehrichs, DO

Anesthesiology Physician · Denver, CO

John Owen Ehrichs, DO is an anesthesiology physician with a practice address in Denver, Colorado, and NPI 1740327022, issued on Jan 30, 2007. Check the license (Colorado 45551, as entered in NPPES) on the Colorado Medical Board; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1740327022
Name
John Owen Ehrichs
Credential
DO
Primary taxonomy
Anesthesiology Physician 207L00000X
License number
45551 CO
Self-reported in NPPES; status is on the state search
Practice location
455 Sherman St 510, Denver, CO 80203
Phone
(303) 377-6825
Enumerated
Jan 30, 2007
Record last updated
Jan 23, 2017 (not updated in 9 years: call before relying on the address or phone)
Fax
(303) 780-0787
Medicaid ID
05124204 CO
Medicare enrollment
Enrolled (PECOS I20070926000432); accepts Medicare assignment
Medical or professional school
At Still University Of Health Sciences, College Of Osteo Med, Kirksville, 2003
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 455 Sherman St 510

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Francis Copeland, MDAnesthesiology Physician1710950555

Verify John Owen Ehrichs in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersColorado Medical Board
    Search for license 45551
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the Colorado license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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Bills Medicare through one group practice

  1. Orthopedic Centers OF Colorado LLCAurora, CO

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

John Owen Ehrichs among 1,202 anesthesiology physician records in Colorado

John Owen Ehrichs, DO is one of 1,202 anesthesiology physician records with a practice address in Colorado. 75% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2007, is newer than 46% of them.

  • NPI issued2007 · 46% of these records are older, 39% newer
  • In a Medicare fileYes · 75% of these records are
  • In the CMS Doctors and Clinicians fileYes · 69% of these records are
  • Graduated2003 · median 2006 among the 824 with a school on file
  • Record last updated2017 · 61% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207L00000X and a Colorado practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Anesthesiology Physician providers in Colorado

There are 1,202 anesthesiology physician records in Colorado.

The 8 anesthesiology physician records with the nearest ZIP codes

  1. Barbara Allen, MDDenver, CO 802031285610246
  2. Ross Appleyard, MDDenver, CO 802031023094430
  3. Herbert Chado, MDDenver, CO 802031740266154
  4. David Christopher, MDDenver, CO 802031285610238
  5. Erika Daniel, MDDenver, CO 802031821074238
  6. Teruel Decampo, MDDenver, CO 802031558347963
  7. Douglas Dillon, MDDenver, CO 802031467438879
  8. Ronald Edgar, MDDenver, CO 802031366428773

Common questions

What is John Owen Ehrichs, DO's NPI number?

John Owen Ehrichs, DO's National Provider Identifier (NPI) is 1740327022, issued on Jan 30, 2007. An NPI identifies a provider in billing; it is not a license.

Where is John Owen Ehrichs, DO located?

The NPPES record lists a practice address at 455 Sherman St 510, Denver, CO, 80203. Phone: (303) 377-6825. Providers update this record themselves, so call before visiting.

How can I verify John Owen Ehrichs, DO's license?

NPPES lists Colorado license number 45551, 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. 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.