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TAM M DIEP DO
NPI 1467013995
Emergency Medicine in Appleton, WI

Active since June 25, 2019PECOS Enrolled
1818 N MEADE ST, APPLETON, WI 54911(920) 731-4101 Get Directions Write a Review

NPPES record last updated: July 22, 2022. Verified against the NPPES registry weekly; last sync: October 18, 2026.

About Tam M Diep Do NPPES

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

TAM M DIEP DO (NPI 1467013995) is an individual emergency medicine provider in Appleton, Wisconsin, licensed in Wisconsin (22337-875) and active in the NPI registry since June 2019. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1467013995
Entity TypeIndividualFemale
Primary Taxonomy207P00000X
Provider Legal NameTAM M DIEPCredential: DO
Location Address1818 N MEADE STAppleton, WI 54911-3454
Mailing Address16 River DrAppleton, WI 54915-1215
Phone(920) 731-4101
Sole ProprietorNo
Enumeration DateJune 25, 2019
Last NPPES UpdateJuly 22, 2022
NPPES CertifiedJuly 22, 2022
✔ NPI 1467013995 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyEmergency MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207P00000X
License✔ Licensed in WI · 22337-875
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.
1818 N MEADE ST, Appleton, WI 54911
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Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Tam M Diep Do 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 Tam Diep reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Appleton Emergency Services S C
Same address
Emergency Medicine
1818 N MEADE ST
Appleton, WI 54911
  • Reassigned Medicare billing, Wisconsin enrollment
  • 16 clinicians in this Medicare group
NPI 1588666853 (800) 968-6866

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 4

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.

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.
148 services135 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.
114 services112 patients
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.
63 services62 patients
Critical care, first 30-74 minutes 99291
Critical care involves immediate and constant attention by a team of specially-trained health professionals. It's for patients with life-threatening conditions, requiring first 30-74 minutes of intense monitoring and treatment.
31 services31 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 54911 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
$82.92 typical visit price
range $53.90 – $163.24
Typical copayment $20.73 (range $13.47 – $40.81)
Most-billed visit code 99203
Established Patient
$95.41 typical visit price
range $17.40 – $133.76
Typical copayment $23.85 (range $4.35 – $33.44)
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.

MRS. THERESA ANN HAGMAN PTA
Physical Therapy Assistant
1818 N MEADE ST
APPLETON, WI 54911
Outagamie County (920) 731-4101
HANNA ROSE SIPPEL PA
Physician Assistant
1818 N MEADE ST
APPLETON, WI 54911
Outagamie County (920) 731-4101
ANN M HEFTER AGACNP-BC, MSN, BSN
Nurse Practitioner
1818 N MEADE ST
APPLETON, WI 54911
Outagamie County (920) 731-8900
DESSIA J LAXTON APNP
Nurse Practitioner
1818 N MEADE ST
APPLETON, WI 54911
Outagamie County (920) 731-8900
MISS AMBER LYNN NEVALA CST
Specialist/Technologist, Other (Surgical Assistant)
1818 N MEADE ST
APPLETON, WI 54911
Outagamie County (906) 280-5495
DAVID MICHAEL DENELL MPT LAT/C
Physical Therapist
1818 N MEADE ST
APPLETON, WI 54911
Outagamie County (920) 731-4101
PHILIP ANTHONY VOGT MD
Surgery
1818 N MEADE ST, STE 240- WEST
APPLETON, WI 54911
Outagamie County (920) 731-8289
SYED TAIMUR ALI M.D.
Hospitalist
1818 N MEADE ST
APPLETON, WI 54911
Outagamie County (920) 731-4101

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 Tam Diep's NPI number?

The NPI number for Tam Diep is 1467013995. It was assigned to this individual provider in the NPPES registry on June 25, 2019.

Where is Tam Diep located?

Tam Diep practices at 1818 N Meade St, Appleton, WI 54911. The listed phone number is (920) 731-4101.

What is Tam Diep's specialty?

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

Is Tam Diep enrolled in Medicare?

Yes. Tam Diep is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Tam Diep's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Tam Diep reassigns Medicare benefits to Appleton Emergency Services S C (Appleton, WI). 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 Tam Diep'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 Tam Diep was last updated on July 22, 2022. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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.