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MR. DANIEL WONG LOPEZ-TAN MD
NPI 1932156205
Internal Medicine in Elm Grove, WI

Active since May 30, 2006PECOS Enrolled
850 ELM GROVE RD, ELM GROVE, WI 53122(262) 879-8014 Get Directions Write a Review

NPPES record last updated: November 14, 2023. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Nov 14, 2023, Sep 3, 2020 (2 updates tracked since 2020).

About Mr. Daniel Wong Lopez-tan Md NPPES

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

MR. DANIEL WONG LOPEZ-TAN MD (NPI 1932156205) is an individual internal medicine provider in Elm Grove, Wisconsin, licensed in Wisconsin (35095) and active in the NPI registry since May 2006. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1932156205
Entity TypeIndividualMale
Primary Taxonomy207R00000X
Provider Legal NameMR. DANIEL WONG LOPEZ-TANCredential: MD
Location Address850 ELM GROVE RDElm Grove, WI 53122-2527
Mailing Address15575 Grandview Drive LowerBrookfield, WI 53005-2982 · (414) 755-9104 · Fax (414) 777-1812
Phone(262) 879-8014
Sole ProprietorYes
Enumeration DateMay 30, 2006
Last NPPES UpdateNovember 14, 20232 updates tracked since enumeration
NPPES CertifiedNovember 14, 2023
✔ NPI 1932156205 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
License✔ Licensed in WI · 35095
Definition
A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.
850 ELM GROVE RD, Elm Grove, WI 53122
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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)

Mr. Daniel Wong Lopez-tan 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 Daniel Lopez-tan reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Milwaukee Internal Medicine Associates Inc
4.3 mi
Multi-Specialty
7733 W BURLEIGH ST
Milwaukee, WI 53222
  • Reassigned Medicare billing, Wisconsin enrollment
  • 20 clinicians in this Medicare group
NPI 1457531345 (414) 837-6300

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

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 53122 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
$123.69 typical visit price
range $53.90 – $163.24
Typical copayment $30.92 (range $13.47 – $40.81)
Most-billed visit code 99204
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.

Referred Medical Equipment & Supplies CMS DME claims 2

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

Portable gaseous oxygen system, rental; includes portable container, regulator, flowmeter, humidifier, cannula or mask, and tubing E0431
DME-Oxygen and Supplies · category DC000N
1 supplier11 claims11 services$13.92 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
1 supplier11 claims11 services$63.65 avg. paid by Medicare
Dollar amounts are the average Medicare paid the supplier per service. They are not the cost to the patient.

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 Daniel Lopez-tan's NPI number?

The NPI number for Daniel Lopez-tan is 1932156205. It was assigned to this individual provider in the NPPES registry on May 30, 2006.

Where is Daniel Lopez-tan located?

Daniel Lopez-tan practices at 850 Elm Grove Rd, Elm Grove, WI 53122. The listed phone number is (262) 879-8014.

What is Daniel Lopez-tan's specialty?

The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.

Is Daniel Lopez-tan enrolled in Medicare?

Yes. Daniel Lopez-tan is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Daniel Lopez-tan's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Daniel Lopez-tan reassigns Medicare benefits to Milwaukee Internal Medicine Associates Inc (Milwaukee, 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 Daniel Lopez-tan'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 Daniel Lopez-tan was last updated on November 14, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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.