NPPES file of Aug 9, 2026

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.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1619405875
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
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 5000 San Bernardino St

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

  1. Janice BaughmanPhysician Assistant1548926066
  2. Theomal Kurera, M.D.Emergency Medicine Physician1386718831
  3. Glenn Morataya, PHARM. D.Pharmacist Clinician (PhC)/ Clinical Pharmacy Specialist1609247683
  4. David Nguyen, DOFamily Medicine Physician1669961801
  5. Tiffany Sin, DOEmergency Medicine Physician1982196184
  6. Minn Soe, M.D.Anesthesiology Physician1396759643

Verify Erik Douglas Wiele in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license 20A17237
    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 California 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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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.

  1. Erik Wiele339
  2. Specialty average3,030

Most prescribed

  1. Amoxicillin-Clavulanate Potass21 claims
  2. Amlodipine Besylate18 claims
  3. Prednisone18 claims
  4. Doxycycline Hyclate17 claims
  5. Eliquis16 claims
  6. 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

  1. 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.

The 8 general practice physician records with the nearest ZIP codes

  1. Miguel Castuera, PA-CMontclair, CA 917631679769897
  2. Jhujhar Singh, DOMontclair, CA 917631730361544
  3. Jose De La Llana, M.D.Ontario, CA 917621326244062
  4. Brian Lee, M.D.Ontario, CA 917641932227626
  5. Irma Lopez, M.D.Ontario, CA 917621538240908
  6. John Ang, MDDiamond Bar, CA 917651326196114
  7. Sushma Bahl, MDDiamond Bar, CA 917651932217056
  8. 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.