William G. Rainer, MD
Surgery Physician · Cortez, CO
William G. Rainer, MD is a surgery physician with a practice address in Cortez, Colorado, and NPI 1821067190, issued on Mar 17, 2006. Check the license (Colorado 28307, as entered in NPPES) on the Colorado Medical Board; the Medicare figures below come from public CMS files.
- Name
- William G. Rainer
- Credential
- MD
- Primary taxonomy
- Surgery Physician 208600000X
- License number
- 28307 CO
Self-reported in NPPES; status is on the state search - Practice location
- 106 E 1St St, Cortez, CO 81321
- Phone
- (970) 565-4500
- Enumerated
- Mar 17, 2006
- Record last updated
- Aug 12, 2009 (not updated in 17 years: call before relying on the address or phone)
- Fax
- (970) 565-0862
- Medicaid ID
- 01283076 CO
- Entity
- Type 1 · individual
8 nearest surgery physician records → All 608 in Colorado → Look up another NPI →
Also registered at 106 E 1St St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Ronda Weir, MSN, FNP-BCFamily Nurse Practitioner1457010274
Verify William G. Rainer in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersColorado Medical Board
Search for license 28307Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Industry payments in 2024: $74.61
1 payment: food and beverage; the largest payer was DePuy Synthes Sales Inc. The 17,103 providers of this specialty with any payment received $3,513.80 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
William G. Rainer among 608 surgery physician records in Colorado
William G. Rainer, MD is one of 608 surgery physician records with a practice address in Colorado. 74% 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 8% of them.
- NPI issued2006 · 8% of these records are older, 58% newer
- In a Medicare fileYes · 74% of these records are
- In the CMS Doctors and Clinicians fileNo · 61% of these records are
- Record last updated2009 · 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 208600000X and a Colorado practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Surgery Physician providers in Colorado
There are 608 surgery physician records in Colorado.
All 608 in Colorado → Every provider in Cortez → Surgery Physician nationwide →
The 8 surgery physician records with the nearest ZIP codes
- Kevin Matteson, M.D.Cortez, CO 813211407853013
- Abbas Syed, D.O.Cortez, CO 813211760418198
- Rizwan Ahmed, M.D.Durango, CO 813011467728014
- Charles Black, MDDurango, CO 813011497764187
- David Deaver, M.D.Durango, CO 813011699795690
- Helen Kay, D.O.Durango, CO 813011881906865
- Brigid O'Holleran, M.D.Durango, CO 813011740548957
- Frank Quayle, MDDurango, CO 813011396861407
Common questions
What is William G. Rainer, MD's NPI number?
William G. Rainer, MD's National Provider Identifier (NPI) is 1821067190, issued on Mar 17, 2006. An NPI identifies a provider in billing; it is not a license.
Where is William G. Rainer, MD located?
The NPPES record lists a practice address at 106 E 1St St, Cortez, CO, 81321. Phone: (970) 565-4500. Providers update this record themselves, so call before visiting.
How can I verify William G. Rainer, MD's license?
NPPES lists Colorado license number 28307, 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.