Weldon John Mallgren, D.O.
Psychiatry Physician · Claremore, OK
Weldon John Mallgren, D.O. is a psychiatry physician with a practice address in Claremore, Oklahoma, and NPI 1841384021, issued on Oct 3, 2006. Check the license (Oklahoma 2466, as entered in NPPES) on the Oklahoma Board of Medical Licensure and Supervision; the Medicare figures below come from public CMS files.
- Name
- Weldon John Mallgren
- Credential
- D.O.
- Primary taxonomy
- Psychiatry Physician 2084P0800X
- License number
- 2466 OK
Self-reported in NPPES; status is on the state search - Practice location
- 17599 S Highway 88, Claremore, OK 74017
- Phone
- (918) 342-9530
- Enumerated
- Oct 3, 2006
- Record last updated
- Mar 1, 2011 (not updated in 15 years: call before relying on the address or phone)
- Fax
- (918) 342-9533
- Medicaid ID
- 100227390C OK
- Medicare enrollment
- Enrolled (PECOS I20080929000159); accepts Medicare assignment
- Medical or professional school
- Michigan College Of Medicine And Surgery, 1993
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest psychiatry physician records → All 463 in Oklahoma → Look up another NPI →
Also registered at 17599 S Highway 88
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Lauren BahleNutrition Education Nutritionist1053810838
- Angellica BainsCase Manager/Care Coordinator1598206807
- Sarah BrileyMental Health Counselor1881842904
- Teresa Deckard, OTR LOccupational Therapist1235218454
- Jessica DepoeCase Manager/Care Coordinator1396387403
- Jeff DuttonPeer Specialist1588171656
Verify Weldon John Mallgren in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersOklahoma Board of Medical Licensure and Supervision
Search for license 2466Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
85% more Medicare Part D claims than the average psychiatry physician in 2024
1,846 Medicare Part D claims for 282 beneficiaries, against an average of 1,000 among the 35,054 providers of this specialty who prescribed in Part D. Brand-name drugs were 7% of claims.
Most prescribed
- Clonazepam115 claims
- Quetiapine Fumarate76 claims
- Lamotrigine75 claims
- Fluoxetine Hcl74 claims
- Aripiprazole73 claims
- Methylphenidate Hcl69 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.
Industry payments in 2024: $199.04
3 payments; by number, the most common kind was food and beverage; the largest payer was Alkermes, Inc. The 13,693 providers of this specialty with any payment received $4,954.93 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.
Bills Medicare through one group practice
- Grand Lake Mental Health Center, Inc.Claremore, OK
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Weldon John Mallgren among 463 psychiatry physician records in Oklahoma
Weldon John Mallgren, D.O. is one of 463 psychiatry physician records with a practice address in Oklahoma. 64% 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 4% of them.
- NPI issued2006 · 4% of these records are older, 56% newer
- In a Medicare fileYes · 64% of these records are
- In the CMS Doctors and Clinicians fileYes · 46% of these records are
- Graduated1993 · median 2005 among the 213 with a school on file
- Record last updated2011 · 52% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2084P0800X and a Oklahoma practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Psychiatry Physician providers in Oklahoma
There are 463 psychiatry physician records in Oklahoma.
All 463 in Oklahoma → Every provider in Claremore → Psychiatry Physician nationwide →
The 8 psychiatry physician records with the nearest ZIP codes
- Tracy Loper, M.D.Claremore, OK 740171376657130
- Nancy Childress-Murphy, D.O.Catoosa, OK 740151316077829
- Kyla Lussier, M.D.Catoosa, OK 740151205033446
- Maria Arquisola, MDBroken Arrow, OK 740121003846742
- Jacy Donnelly, DOBroken Arrow, OK 740121457937138
- Stephen Greer, M.D.Broken Arrow, OK 740121609933100
- Lori Miller, D.O.Broken Arrow, OK 740121750619334
- Stephen Cates, DOBroken Arrow, OK 740111679076012
Common questions
What is Weldon John Mallgren, D.O.'s NPI number?
Weldon John Mallgren, D.O.'s National Provider Identifier (NPI) is 1841384021, issued on Oct 3, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Weldon John Mallgren, D.O. located?
The NPPES record lists a practice address at 17599 S Highway 88, Claremore, OK, 74017. Phone: (918) 342-9530. Providers update this record themselves, so call before visiting.
How can I verify Weldon John Mallgren, D.O.'s license?
NPPES lists Oklahoma license number 2466, as entered by the provider. Search the Oklahoma Board of Medical Licensure and Supervision at https://www.okmedicalboard.org/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Weldon John Mallgren, D.O. prescribe under Medicare Part D?
In 2024, Weldon John Mallgren, D.O. had 1,846 Medicare Part D claims for 282 beneficiaries; the average among psychiatry physician prescribers was 1,000. 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.