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TIMOTHY T WELLEMEYER MD
NPI 1407814916
Family Medicine in Holt, MI

Active since May 03, 2006PECOS Enrolled
4378 HOLT RD, HOLT, MI 48842(517) 694-1466(517) 694-3530 Get Directions Write a Review

NPPES record last updated: December 16, 2013. Verified against the NPPES registry weekly; last sync: October 18, 2026.

About Timothy T Wellemeyer Md NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

TIMOTHY T WELLEMEYER MD (NPI 1407814916) is an individual family medicine provider in Holt, Michigan, licensed in Michigan (TW044920) and active in the NPI registry since May 2006. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1407814916
Entity TypeIndividualMale
Primary Taxonomy207Q00000X
Provider Legal NameTIMOTHY T WELLEMEYERCredential: MD
Location Address4378 HOLT RDHolt, MI 48842-1666
Mailing Address4378 Holt RdHolt, MI 48842-1666 · (517) 694-1466 · Fax (517) 694-3530
Phone(517) 694-1466
Fax(517) 694-3530
Sole ProprietorNo
Enumeration DateMay 3, 2006
Last NPPES UpdateDecember 16, 2013
✔ NPI 1407814916 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyFamily MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207Q00000X
License✔ Licensed in MI · TW044920
Definition
Family Medicine is the medical specialty which is concerned with the total health care of the individual and the family. It is the specialty in breadth which integrates the biological, clinical, and behavioral sciences. The scope of family medicine is not limited by age, sex, organ system, or disease entity.
4378 HOLT RD, Holt, MI 48842
Open in Google Maps ↗

Other Identifiers 8

Medicare ID-Type Unspecified080028798Travelers
Other0100235MI · Physicians Health Plan Of
Medicare ID-Type UnspecifiedC36477003
Other0170235MI · Physicians Health Plan Of
Medicaid102805476MI
OtherTW044920Bcbsm
OtherTW044920Bcn Blue Care Network
Medicare UPINB46440

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Timothy T Wellemeyer Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Medicare Billing Reassignment

Medicare enrollment records show Timothy Wellemeyer reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Mclaren Medical Group
45 mi
Obstetrics & Gynecology
2521 N ELMS RD
Flushing, MI 48433
  • Reassigned Medicare billing, Michigan enrollment
  • 416 clinicians in this Medicare group
NPI 1053458091 (810) 487-3640

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Areas of Expertise CMS Part B claims 5

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214
This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.
140 services87 patients
Injection of drug or substance under skin or into muscle 96372
This procedure involves administering medication directly under the skin or into a muscle. A small needle is used to inject the drug, allowing it to be absorbed quickly into the bloodstream. It's a common method for delivering a variety of medications.
41 services11 patients
Hemoglobin a1c level 83036
Hemoglobin A1c (HbA1c) is a test that measures your average blood sugar level over the past 2-3 months. It's used to monitor how well diabetes is being controlled. High levels may indicate that your diabetes treatment plan needs adjustment.
34 services24 patients
Automated urinalysis test 81003
An automated urinalysis test is a routine examination that checks your urine for various substances. It can help identify potential health issues such as kidney problems or diabetes. The test uses a machine to analyze a small urine sample, providing quick and accurate results.
22 services20 patients
Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more 99215
This service involves a follow-up appointment for existing patients, lasting between 40 to 54 minutes. During this time, your healthcare provider will assess your current health status, discuss any changes or concerns, review your treatment plan, and answer any questions you may have.
22 services22 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 48842 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$84.74 typical visit price
range $54.34 – $166.68
Typical copayment $21.18 (range $13.58 – $41.67)
Most-billed visit code 99203
Established Patient
$96.44 typical visit price
range $17.09 – $135.40
Typical copayment $24.11 (range $4.27 – $33.85)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Referred Medical Equipment & Supplies CMS DME claims 8

Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.

Blood glucose test or reagent strips for home blood glucose monitor, per 50 strips A4253
DME-Other DME · category DE017N
4 suppliers13 claims34 services$6.84 avg. paid by Medicare
Tubing used with positive airway pressure device A7037
DME-Other DME · category DE001N
2 suppliers13 claims13 services$15.98 avg. paid by Medicare
Filter, disposable, used with positive airway pressure device A7038
DME-Other DME · category DE001N
3 suppliers17 claims66 services$2.25 avg. paid by Medicare
Humidifier, heated, used with positive airway pressure device E0562
DME-Other DME · category DE001N
2 suppliers13 claims13 services$11.90 avg. paid by Medicare
Continuous positive airway pressure (cpap) device E0601
DME-Other DME · category DE001N
2 suppliers17 claims17 services$23.31 avg. paid by Medicare
Oxygen concentrator, single delivery port, capable of delivering 85 percent or greater oxygen concentration at the prescribed flow rate E1390
DME-Oxygen and Supplies · category DC002N
2 suppliers24 claims24 services$77.86 avg. paid by Medicare
Dollar amounts are the average Medicare paid the supplier per service. They are not the cost to the patient.

Other Providers at the Same Location NPPES 3

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

DR. TERENCE EDWARD MCHUGH D.D.S.
Dentist (General Practice)
4378 HOLT RD
HOLT, MI 48842
Ingham County (517) 694-2412
HOLLY NIEUSMA DO
Family Medicine
4378 HOLT RD
HOLT, MI 48842
Ingham County (517) 694-1466
HOLT FAMILY PRACTICE PC
Family Medicine
4378 HOLT RD
HOLT, MI 48842
Ingham County (517) 694-1466

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Timothy Wellemeyer's NPI number?

The NPI number for Timothy Wellemeyer is 1407814916. It was assigned to this individual provider in the NPPES registry on May 3, 2006.

Where is Timothy Wellemeyer located?

Timothy Wellemeyer practices at 4378 Holt Rd, Holt, MI 48842. The listed phone number is (517) 694-1466.

What is Timothy Wellemeyer's specialty?

The primary specialty registered for this NPI is Family Medicine with taxonomy code 207Q00000X.

Is Timothy Wellemeyer enrolled in Medicare?

Yes. Timothy Wellemeyer is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Timothy Wellemeyer's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Timothy Wellemeyer reassigns Medicare benefits to Mclaren Medical Group (Flushing, MI). The reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Timothy Wellemeyer's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

When was this NPI record last updated?

The NPPES record for Timothy Wellemeyer was last updated on December 16, 2013. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 12 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.