DR. ISAAC J TREJO (D.P.M.) – Podiatrist, NPI 1023009891

DR. ISAAC J TREJO (D.P.M.) is a healthcare provider. based in Greendale, Wisconsin. specializing in PODIATRY. They hold the professional credentials D.P.M.. They hold a License No. 708 (WI). The NPI Number for DR. ISAAC J TREJO (D.P.M.) is 1023009891

Main info

Male
33 Years Of Experience
Accepts Medicare Assignment
Name
DR. ISAAC J TREJO (D.P.M.)
NPI
1023009891
Phone
(414) 423-4100
Address
6400 INDUSTRIAL LOOP
Enumeration Date
2 November 2005
Last Update Date
21 February 2008

Doctor Profile

Medical School Name
WILLIAM M. SCHOLL COLLEGE OF PODIATRIC MEDICINE
Secondary Phone
4144835566
Graduation Year
1993 (33 years ago)
PAC ID
3375531007
Professional Enrollment ID
I20040503000995
Address ID
WI532074410MI4100XAVEX400
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

297 PODIATRY in WI

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Provider Addresses for DR. ISAAC J TREJO (D.P.M.)

  • 6400, Industrial Loop, Greendale, Milwaukee County, Wisconsin, 53129, United States

    GREENDALE, WI 531292452

    Phone: (414) 423-4100

    Fax: (414) 423-4134

    Type: Mailing

  • 4100,4100A, South Howell Avenue, Town of Lake, Milwaukee, Milwaukee County, Wisconsin, 53207, United States

    MILWAUKEE, WI 532074410

    Phone: (414) 483-5566

    Fax: (866) 263-5456

    Type: Location

NPPES updates history

No NPPES updates recorded for this provider.

Prescription Activity

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Open Payments (CMS)

CMS reports 2 Open Payments records for all available years, with a total value of $363.

Total Amount is formed as General ($363) + Research ($0) + Ownership ($0) = $363.

Last reported payment date: 2023-12-31 • Largest payer in this snapshot: DJO, LLC ($363).

Total Amount

$363

General + Research + Ownership

Payments

2

Total payment records

General Amount

$363

General payments

Research Amount

$0

Research funding

Ownership Amount

$0

Ownership interests

Ownership Count

0

Ownership records

Last Payment Date

2023-12-31

Latest reported date

Top Companies

Largest payers in this snapshot

CompanyAmount
DJO, LLC$363
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: 2004-05-03

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
I20040503000995IPodiatryWITBD

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
99347Residence visit for established patient with straightforward medical decision making, per day, if using time, at least 15 minutes2,915811$0
99212Established patient office or other outpatient visit, 10-19 minutes652155$0
99341Residence visit for new patient with straightforward medical decision making, per day, if using time, at least 15 minutes251251$0
99202New patient office or other outpatient visit, 15-29 minutes4242$0
99307Subsequent nursing facility care with straightforward level of medical decision making, per day, if using time, at least 10 minutes3818$0
View full utilization report →

Insurance plans in this area (ZIP 53129)

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Provider's Procedures

DR. ISAAC J TREJO (D.P.M.) performs procedures in PODIATRY. See the list of HCPCS codes below.
SpecialtyPractice State
HCPCS Code
Description
Service Count
Beneficiary Count
PODIATRYWI11720Removal of tissue from 1 to 5 finger or toe nails125103

Reviews

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Frequently asked questions

Can I verify DR. ISAAC J TREJO (D.P.M.) with an NPI only?
You can start verification with NPI 1023009891 for DR. ISAAC J TREJO (D.P.M.), then check state licensing separately.
Is DR. ISAAC J TREJO (D.P.M.) listed as active for patients and plans?
The listing shows DR. ISAAC J TREJO (D.P.M.) as active in the NPI system.
What is DR. ISAAC J TREJO (D.P.M.)'s primary classification?
Podiatrist is the headline specialty for DR. ISAAC J TREJO (D.P.M.) here. Clinical services aligned with this taxonomy classification.
What area does DR. ISAAC J TREJO (D.P.M.) serve?
DR. ISAAC J TREJO (D.P.M.)'s listing highlights Greendale, Wisconsin; more addresses can appear in NPPES.
Is the information about DR. ISAAC J TREJO (D.P.M.) up to date?
Data updates when providers file changes in NPPES — treat critical facts as "verify if unsure."

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