TIMOTHY T WELLEMEYER (MD) – Family Medicine Physician, NPI 1407814916

TIMOTHY T WELLEMEYER (MD) is a healthcare provider. based in Holt, Michigan. specializing in Family Medicine Physician. They hold the professional credentials MD. They hold a License No. TW044920 (MI). The NPI Number for TIMOTHY T WELLEMEYER (MD) is 1407814916

Main info

Male
45 Years Of Experience
Accepts Medicare Assignment
Name
TIMOTHY T WELLEMEYER (MD)
NPI
1407814916
Phone
(517) 694-1466
Address
4378 HOLT RD
Enumeration Date
3 May 2006
Last Update Date
16 December 2013

Doctor Profile

Medical School Name
WAYNE STATE UNIVERSITY SCHOOL OF MEDICINE
Secondary Phone
5176941466
Graduation Year
1981 (45 years ago)
PAC ID
3870693534
Group Practice PAC ID
3971416082
Professional Enrollment ID
I20100205000222
Data current as of
19 May 2026

Profile Insights

NPPES metrics only — not quality of care.

Methodology
Experience54
Completeness75
Years active:20State licenses:1Digital endpointsOther names

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Provider Addresses for TIMOTHY T WELLEMEYER (MD)

  • Holt Road, Hall Farm, Letheringsett with Glandford, Letheringsett, North Norfolk, Norfolk, East of England, England, NR25 7AR, United Kingdom

    HOLT, MI 488421666

    Phone: (517) 694-1466

    Fax: (517) 694-3530

    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)

CMS reports 26 Open Payments records for all available years, with a total value of $455.

Total Amount is formed as General ($455) + Research ($0) + Ownership ($0) = $455.

Last reported payment date: 2024-06-28 • Largest payer in this snapshot: Novo Nordisk Inc ($158).

Total Amount

$455

General + Research + Ownership

Payments

26

Total payment records

General Amount

$455

General payments

Research Amount

$0

Research funding

Ownership Amount

$0

Ownership interests

Ownership Count

0

Ownership records

Last Payment Date

2024-06-28

Latest reported date

View all Open Payments →|Open Payments Risk Radar →

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: 2010-02-05

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

  1. Medicare enrolled
  2. On CMS revalidation list
  3. Due date assigned
  4. Revalidate in PECOS

CMS enrollment records

Enrollment IDTypeSpecialtyStateDue date
I20100205000222IFamily PracticeMITBD

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.

Verify on CMS Revalidation Lookup Tool

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

HCPCSDescriptionServicesBeneficiariesMedicare allowed
99214Established patient office or other outpatient visit, 30-39 minutes305117$0
96372Injection of drug or substance under skin or into muscle6315$0
81003Automated urinalysis test4440$0
83036Hemoglobin a1c level4220$0
99215Established patient office or other outpatient visit, 40-54 minutes4040$0
View full utilization report →

Insurance plans in this area (ZIP 48842)

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Provider's Procedures

TIMOTHY T WELLEMEYER (MD) performs procedures in Family Medicine Physician. See the list of HCPCS codes below.
SpecialtyPractice State
HCPCS Code
Description
Service Count
Beneficiary Count
FAMILY MEDICINEMI20610Aspiration and/or injection of large joint or joint capsule5028
FAMILY MEDICINEMI83036Hemoglobin A1C level8855
FAMILY MEDICINEMI90670Pneumococcal vaccine for injection into muscle7474

Group practice members

Group practice members are other physicians who share the same Group Practice PAC ID with this doctor. When doctors form a group practice and register in PECOS as a single entity, they receive a shared identification number. This table lists all providers in the same group practice.
PAC ID: 3971416082View full group profile
NameSpecialtyState
Internal MedicineMI
Emergency MedicineMI
Emergency MedicineMI
Family PracticeMI
Emergency MedicineIL
-GA
Emergency MedicineMI
Emergency MedicineMI
Physician AssistantMI
-MI

Reviews

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Frequently asked questions

Is TIMOTHY T WELLEMEYER (MD) listed with a National Provider Identifier?
Yes — TIMOTHY T WELLEMEYER (MD) has NPI 1407814916 on file in the registry.
Is TIMOTHY T WELLEMEYER (MD) shown as active in public data?
Registry records indicate TIMOTHY T WELLEMEYER (MD) maintains an active NPI.
What area of care is associated with TIMOTHY T WELLEMEYER (MD)?
TIMOTHY T WELLEMEYER (MD)'s record emphasizes Family Medicine Physician. Clinical services aligned with this taxonomy classification.
Is TIMOTHY T WELLEMEYER (MD) located near Holt?
TIMOTHY T WELLEMEYER (MD) currently maps to Holt, Michigan in this extract.
What does 2 location(s) imply?
2 practice locations appear in the available data.

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