Erik Douglas Wiele, DO
General Practice Physician · Montclair, CA
Erik Douglas Wiele, DO is a general practice physician with a practice address in Montclair, California, and NPI 1619405875, issued on May 31, 2017. Check the license (California 20A17237, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Erik Douglas Wiele
- Credential
- DO
- Primary taxonomy
- General Practice Physician 208D00000X
- License number
- 20A17237 CA
Self-reported in NPPES; status is on the state search - Practice location
- 5000 San Bernardino St, Montclair, CA 91763
- Phone
- (909) 625-5411
- Enumerated
- May 31, 2017
- Record last updated
- Jul 21, 2022
- Medicare enrollment
- Enrolled (PECOS I20190809000529); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest general practice physician records → All 1,956 in California → Look up another NPI →
Also registered at 5000 San Bernardino St
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Erik Douglas Wiele in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license 20A17237Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
89% fewer Medicare Part D claims than the average general practice physician in 2024
339 Medicare Part D claims for 159 beneficiaries, against an average of 3,030 among the 8,395 providers of this specialty who prescribed in Part D. 18 claims were for opioids.
Most prescribed
- Amoxicillin-Clavulanate Potass21 claims
- Amlodipine Besylate18 claims
- Prednisone18 claims
- Doxycycline Hyclate17 claims
- Eliquis16 claims
- Pantoprazole Sodium16 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
- Sutter Valley Medical FoundationJackson, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Erik Douglas Wiele among 1,956 general practice physician records in California
Erik Douglas Wiele, DO is one of 1,956 general practice physician records with a practice address in California. 48% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2017, is newer than 78% of them.
- NPI issued2017 · 78% of these records are older, 21% newer
- In a Medicare fileYes · 48% of these records are
- In the CMS Doctors and Clinicians fileYes · 27% of these records are
- Graduated2017 · median 1994 among the 520 with a school on file
- Record last updated2022 · 60% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 208D00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
General Practice Physician providers in California
There are 1,956 general practice physician records in California.
All 1,956 in California → Every provider in Montclair → General Practice Physician nationwide →
The 8 general practice physician records with the nearest ZIP codes
- Miguel Castuera, PA-CMontclair, CA 917631679769897
- Jhujhar Singh, DOMontclair, CA 917631730361544
- Jose De La Llana, M.D.Ontario, CA 917621326244062
- Brian Lee, M.D.Ontario, CA 917641932227626
- Irma Lopez, M.D.Ontario, CA 917621538240908
- John Ang, MDDiamond Bar, CA 917651326196114
- Sushma Bahl, MDDiamond Bar, CA 917651932217056
- Amr Beltagui, M.D.Diamond Bar, CA 917651770897357
Common questions
What is Erik Douglas Wiele, DO's NPI number?
Erik Douglas Wiele, DO's National Provider Identifier (NPI) is 1619405875, issued on May 31, 2017. An NPI identifies a provider in billing; it is not a license.
Where is Erik Douglas Wiele, DO located?
The NPPES record lists a practice address at 5000 San Bernardino St, Montclair, CA, 91763. Phone: (909) 625-5411. Providers update this record themselves, so call before visiting.
How can I verify Erik Douglas Wiele, DO's license?
NPPES lists California license number 20A17237, as entered by the provider. Search the Medical Board of California at https://www.mbc.ca.gov/License-Verification/default.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Erik Douglas Wiele, DO prescribe under Medicare Part D?
In 2024, Erik Douglas Wiele, DO had 339 Medicare Part D claims for 159 beneficiaries; the average among general practice physician prescribers was 3,030. 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.