TIMOTHY S MULDER (M.D.) – Family Medicine Physician, NPI 1336131747
Family Medicine Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
3,075 FAMILY PRACTICE in MN
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Provider Addresses for TIMOTHY S MULDER (M.D.)
2nd Street Southwest, Willmar, Kandiyohi County, Minnesota, 56201, United States
WILLMAR, MN 562013365
Phone: (320) 235-7232
Fax: (320) 231-8602
Mailing address matches the actual address.
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
No Open Payments data available for this provider.
This can happen when there are no reportable CMS Open Payments records.
Medicare Enrollment & Revalidation
Source: CMS public data · Not endorsed by CMS ·
Educational use only—not medical, billing, or legal advice.
PECOS enrollment status
Participating (accepts Medicare assignment)
Enrollment effective: 2007-08-28
PECOS data refreshed: 2026-05-27
Medicare revalidation (CMS due date list)
Due date not assigned yet
CMS is tracking this Medicare enrollment for revalidation, but has not published a due date.
Enrollment records
1
Earliest due date
Not assigned (TBD)
CMS data updated
2026-06-01
Revalidation progress
- Medicare enrolled
- On CMS revalidation list
- Due date assigned
- Revalidate in PECOS
CMS enrollment records
| Enrollment ID | Type | Specialty | State | Due date |
|---|---|---|---|---|
| I20070828000020 | I | Family Practice | MN | TBD |
What to do next
- No action required while the due date shows TBD.
- Check the CMS Revalidation Lookup Tool periodically — CMS updates the list about every 60 days.
- Do not submit a revalidation application in PECOS until CMS publishes a concrete due date.
Prepare CMS-855 application → · Look up this NPI in PECOS → · Verify on CMS PECOS
Medicare Utilization (FFS)
Source: CMS public data · Not endorsed by CMS · Beneficiary counts under 11 are suppressed in source data ·
Educational use only—not medical, billing, or legal advice.
Top Medicare procedures (2023) · refreshed 2026-05-27
| HCPCS | Description | Services | Beneficiaries | Medicare allowed |
|---|---|---|---|---|
| 99214 | Established patient office or other outpatient visit, 30-39 minutes | 400 | 137 | $0 |
| 36415 | Insertion of needle into vein for collection of blood sample | 234 | 126 | $0 |
| 99213 | Established patient office or other outpatient visit, 20-29 minutes | 163 | 107 | $0 |
| 85610 | Blood test, clotting time | 134 | 14 | $0 |
| 85027 | Complete blood cell count (red cells, white blood cell, platelets), automated test | 89 | 83 | $0 |
Insurance plans in this area (ZIP 56201)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| Certified Registered Nurse Anesthetist (Crna) | MN | |
| Certified Registered Nurse Anesthetist (Crna) | MN | |
| Certified Registered Nurse Anesthetist (Crna) | MN | |
| Physical Therapist In Private Practice | MN | |
| Family Practice | MN | |
| N E U R O L O G Y | MN | |
| Nurse Practitioner | MN | |
| Internal Medicine | MN | |
| General Surgery | MN | |
| O B S T E T R I C S/ G Y N E C O L O G Y | MN |
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