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DR. THOMAS MICHAEL WITHAM M.D.
NPI 1982823639
Emergency Medicine in Grand Rapids, MI

Active since April 24, 2007PECOS EnrolledAccepts Medicare Assignment
200 JEFFERSON AVE SE, GRAND RAPIDS, MI 49503(616) 942-9610 Get Directions Write a Review

NPPES record last updated: March 4, 2008. Verified against the NPPES registry weekly; last sync: August 16, 2026.

About Dr. Thomas Michael Witham M.d. NPPES

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

DR. THOMAS MICHAEL WITHAM M.D. (NPI 1982823639) is an individual emergency medicine provider in Grand Rapids, Michigan, licensed in Michigan (4301084261) and active in the NPI registry since April 2007. He is enrolled in Medicare PECOS, is affiliated with Mercy Health Saint Mary's, and is a graduate of Wayne State University School Of Medicine (2004).

NPPES Registry Identity

NPI1982823639
Entity TypeIndividualMale
Primary Taxonomy207P00000X
Provider Legal NameDR. THOMAS MICHAEL WITHAMCredential: M.D.
Location Address200 JEFFERSON AVE SEGrand Rapids, MI 49503-4502
Mailing AddressPo Box QGrand Rapids, MI 49501-4917 · (800) 968-6866
Phone(616) 942-9610
Sole ProprietorNo
Medical School CMSWayne State University School Of MedicineGraduated 2004
Enumeration DateApril 24, 2007
Last NPPES UpdateMarch 4, 2008
✔ NPI 1982823639 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyEmergency MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207P00000X
License✔ Licensed in MI · 4301084261
Definition
An emergency physician focuses on the immediate decision making and action necessary to prevent death or any further disability both in the pre-hospital setting by directing emergency medical technicians and in the emergency department. The emergency physician provides immediate recognition, evaluation, care, stabilization and disposition of a generally diversified population of adult and pediatric patients in response to acute illness and injury.
200 JEFFERSON AVE SE, Grand Rapids, MI 49503
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Other Identifiers 4

Medicare OSCAR/certificationD16091102MI
OtherP00434448Railroad Medicare
Medicaid5218377MI
OtherTW084261MI · Blue Cross Blue Shield

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Blue Cross Blue Shield of Michigan Mutual Insurance Company, Oscar Insurance Company.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Dr. Thomas Michael Witham M.d. is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID244324531
PECOS Enrollment IDI20070918000073
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.

Areas of Expertise CMS Part B claims 3

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.

Emergency department visit with moderate level of medical decision making 99284
An emergency department visit for a high-severity issue means you're experiencing a serious health problem that needs immediate attention. This could be a severe injury, serious illness, or life-threatening condition. Medical professionals will provide urgent care to stabilize your condition.
22 services22 patients
Emergency department visit with high level of medical decision making 99285
An emergency department visit for severe conditions is when you urgently seek medical help due to serious health issues. These could be severe injuries, breathing problems, unbearable pain, or sudden severe illness. Doctors and nurses will provide immediate care to stabilize your condition.
18 services18 patients
Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only 93010
A routine electrocardiogram (ECG) with 12 leads is a simple, non-invasive test that records the electrical activity of your heart. It helps in identifying heart conditions by detecting irregularities in your heart rhythms. The results are interpreted and a report is provided.
17 services14 patients

Hospital Affiliations CMS Care Compare

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Mercy Health Saint Mary's

Acute Care Hospitals · Grand Rapids, MI
4/5 CMS rating
OwnershipVoluntary non-profit - Church
CMS Certification Number230059
Location200 Jefferson Avenue SEGrand Rapids, MI 49503 · Kent County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 49503 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.

Other Providers at the Same Location NPPES 20

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

KATHARINE LIND THOMPSON PT
Physical Therapist
200 JEFFERSON AVE SE
GRAND RAPIDS, MI 49503
Kent County (616) 685-6264
ANNE MARIE TALBOT CRNA
Nurse Anesthetist, Certified Registered
200 JEFFERSON AVE SE
GRAND RAPIDS, MI 49503
Kent County (616) 685-6063
DR. ADAM MICHAEL ANDERSON MD
Emergency Medicine
200 JEFFERSON AVE SE
GRAND RAPIDS, MI 49503
Kent County (616) 685-5000
MARIA E DIMUSTO-POORTENGA MD
Pediatrics (Neonatal-Perinatal Medicine)
200 JEFFERSON AVE SE, NICU
GRAND RAPIDS, MI 49503
Kent County (616) 752-6554
THE BOUTIQUE AT MERCY HEALTH LACKS CANCER CENTER
Durable Medical Equipment & Medical Supplies
200 JEFFERSON AVE SE
GRAND RAPIDS, MI 49503
Kent County (616) 685-5030
MELISSA SUE HUDECZ MS, OTR/L
Occupational Therapist
200 JEFFERSON AVE SE
GRAND RAPIDS, MI 49503
Kent County (616) 685-6264
TIMOTHY RUSSELL LEONARD
Nurse Practitioner (Family)
200 JEFFERSON AVE SE
GRAND RAPIDS, MI 49503
Kent County (616) 465-5910
CAMRIA RENEE DEATON BSN, RN
Registered Nurse
200 JEFFERSON AVE SE
GRAND RAPIDS, MI 49503
Kent County (616) 685-5000

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 Thomas Witham's NPI number?

The NPI number for Thomas Witham is 1982823639. It was assigned to this individual provider in the NPPES registry on April 24, 2007.

Where is Thomas Witham located?

Thomas Witham practices at 200 Jefferson Ave SE, Grand Rapids, MI 49503. The listed phone number is (616) 942-9610.

What is Thomas Witham's specialty?

The primary specialty registered for this NPI is Emergency Medicine with taxonomy code 207P00000X.

Is Thomas Witham enrolled in Medicare?

Yes. Thomas Witham is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

What insurance does Thomas Witham accept?

Health plans from Blue Cross Blue Shield of Michigan Mutual Insurance Company and Oscar Insurance Company list Thomas Witham as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

Is Thomas Witham affiliated with any hospitals?

According to CMS data, Thomas Witham is affiliated with Mercy Health Saint Mary's.

When was this NPI record last updated?

The NPPES record for Thomas Witham was last updated on March 4, 2008. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 18 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.