Marcus Weiser, DO
Family Medicine · Onaga, KS
At a glance
114 W 8Th St, Onaga, KS 66521-9574
NPPES record updated Oct 29, 2020. Public records can lag behind changes at a practice.
Before you call: a quick checklist
- Are you accepting new patients?
- Do you accept my specific insurance plan?
- Do you provide the service I need at this address?
- Do I need a referral, and what is the earliest appointment?
Insurance participation and appointment availability are not established by these public records.
Medicare & insurance
Insurance participation is not established by these public records. Ask the practice and your insurer about your specific plan and this location.
How to check your coverage
Use your plan’s provider directory or the member-services number on your insurance card. Confirm the clinician, practice address, service, and whether a referral is required. A missing opt-out record does not establish Medicare acceptance.
Check the official Medicare directory ↗Practice location
114 W 8Th StOnaga, KS 66521-9574
Additional reported practice locations
606 1St StCentralia, KS 664159637
Phone: 7858573334
Fax: 7858573397 112 E 2Nd St
Frankfort, KS 664271403
Phone: 7852924451
Fax: 7852924286 1603 W 4Th St
Holton, KS 664361153
Phone: 7853643205
Fax: 7853643468 206 S Grand Ave
Saint Marys, KS 665361637
Phone: 7854373734
Fax: 7854376186 302 Main St
Westmoreland, KS 665499684
Phone: 7854579890
Fax: 7854579891 120 W 8Th St
Onaga, KS 665219574
Phone: 7858894274
Fax: 7858894714
Education & affiliations
- Medical / professional school
- Kansas City University Of Physicians And Surgeons
- Graduation year
- 2009
- CMS specialties
- Family Practice
Practice groups
Reported hospital affiliations
- Community Hospital, Onaga And St Marys Campus Onaga, KS
- Nemaha Valley Community Hospital Seneca, KS
- Stormont Vail Hospital Topeka, KS
- University Of Kansas Health System - St Francis Campus Topeka, KS
Graduation year does not establish years in practice. A reported affiliation does not establish employment, current admitting privileges, or insurance participation.
Source: CMS National Downloadable File · Published Oct 15, 2026.
Source: CMS Facility Affiliation Data · Published Oct 15, 2026.
Procedures in the public data
Reported activity can help you ask more informed questions about a practice’s services.
No displayed procedure-category record in this release. This does not mean the clinician performs no procedures.
CMS uses a one-year claims window with a reporting lag. Counts cover the Medicare activity included by CMS, not all patients. “1–10” is a published range. Volume is not a quality or outcomes score. Coverage and methodology
Source: CMS Utilization Data · Published Oct 15, 2026.
Find providers with a similar service mix
Compare 2024 published Medicare activity in the same reported specialty, here or in another city.
Industry-reported general payments
Includes reported transfers of value, such as meals, travel, or consulting. Payments do not establish improper conduct or quality of care. Research funding and ownership values are excluded from this total.
See payment purposes and reporting companies
Reported purposes
| Purpose | Amount |
|---|---|
| Food and beverage | $241.84 |
Reporting companies
| Company | Amount |
|---|---|
| ITI, INC. (D/B/A INTRA-CELLULAR THERAPIES, INC.) | $64.61 |
| TAKEDA PHARMACEUTICALS U.S.A., INC. | $36.49 |
| NOVARTIS PHARMACEUTICALS CORPORATION | $32.04 |
| MELINTA THERAPEUTICS, LLC | $22.96 |
| LILLY USA, LLC | $19.82 |
| PFIZER INC. | $18.81 |
| DEXCOM, INC. | $18.25 |
| ASTELLAS PHARMA US INC | $14.82 |
| Other reporting companies | $14.04 |
Source: CMS 2025 payments grouped by covered recipient and nature of payments · Published Jun 30, 2026.
Professional details: NPI, taxonomy & registry record
Registry details
- Primary taxonomy
- Family Medicine
- Taxonomy code
- 207Q00000X
- Enumeration date
- Jun 23, 2009
- Record updated
- Oct 29, 2020
More registry details
- Provider type
- Individual · Type 1
- Reported credentials
- DO
Reported taxonomies and licenses
207Q00000X
License reported: 7189 KS
207Q00000X · Primary
License reported: 05-34404 KS
License numbers and credentials are reported to NPPES; HCPList does not independently verify them.
Practice location
114 W 8Th StOnaga, KS 66521-9574
- Phone
- (785) 889-4241
- Fax
- (785) 889-4749
Mailing address
213 E 5TH STONAGA, KS 665219430
Information may be outdated or incomplete. Confirm details directly with the practice. HCPList is an independent directory and is not affiliated with CMS.
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