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THAD TREJO
NPI 1255870796
Nurse Practitioner - Acute Care in Chicago, IL

Active since February 16, 2017PECOS EnrolledAccepts Medicare Assignment
4211 N PULASKI RD, CHICAGO, IL 60641(312) 315-6103 Get Directions Write a Review

NPPES record last updated: August 3, 2026. Verified against the NPPES registry weekly; last sync: November 01, 2026.

Record update history: Aug 3, 2026, Feb 16, 2017 (2 updates tracked since 2017).

About Thad Trejo NPPES

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

THAD TREJO (NPI 1255870796) is an individual acute care provider in Chicago, Illinois, licensed in Illinois (206.015167) and active in the NPI registry since February 2017. He is enrolled in Medicare PECOS and is a graduate of Other (2016).

NPPES Registry Identity

NPI1255870796
Entity TypeIndividualMale
Primary Taxonomy363LA2100X
Provider Legal NameTHAD TREJO
Location Address4211 N PULASKI RDChicago, IL 60641-2331
Mailing Address4211 N Pulaski RdChicago, IL 60641-2331
Phone(312) 315-6103
Sole ProprietorNo
Medical School CMSOtherGraduated 2016
Enumeration DateFebruary 16, 2017
Last NPPES UpdateAugust 3, 20262 updates tracked since enumeration
NPPES CertifiedAugust 3, 2026
✔ NPI 1255870796 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 3

★ Primary SpecialtyNurse Practitioner · Acute CarePhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363LA2100X
License✔ Licensed in IL · 206.015167
Also ListedNurse Practitioner · Adult HealthTaxonomy 363LA2200X · License 209015167 (IL)
Also ListedNurse Practitioner · GerontologyTaxonomy 363LG0600X · License 209015167 (IL)
4211 N PULASKI RD, Chicago, IL 60641
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Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Ambetter Health, Ambetter Health of Delaware.Insurance ›

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Thad Trejo 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 ID4587916374
PECOS Enrollment IDI20181005000380
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 Reassignments

3

Medicare enrollment records show Thad Trejo reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Vitae Health Medical Illinois, PLLC
4.8 mi
Internal Medicine
3450 OAKTON ST
Skokie, IL 60076
  • Reassigned Medicare billing, Illinois enrollment
  • 491 clinicians in this Medicare group
NPI 1174013452 (224) 777-8034
Cmc Healthcare LLC
5.4 mi
Nurse Practitioner
2201 MAIN ST
Evanston, IL 60202
  • Reassigned Medicare billing, Illinois enrollment
  • 191 clinicians in this Medicare group
NPI 1295432334 (773) 831-5021
Paragon Clinical LLC
17 mi
Nurse Practitioner
1333 BURR RIDGE PKWY STE 200
Burr Ridge, IL 60527
  • Reassigned Medicare billing, Illinois enrollment
  • 183 clinicians in this Medicare group
NPI 1114139946 (630) 832-1775

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 5

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.

Subsequent nursing facility care with straightforward level of medical decision making, per day, if using time, 20 minutes or more 99308
A follow-up nursing facility visit per day is a daily check-up service provided by healthcare professionals. It lasts around 15 minutes and involves assessing your health status, monitoring your recovery progress, and addressing any concerns you may have about your health or treatment.
361 services117 patients
Subsequent nursing facility care with moderate level of medical decision making, per day, if using time, at least 30 minutes 99309
A follow-up nursing facility visit per day is a daily check-in by a healthcare professional. This 25-minute visit typically involves monitoring your health progress, addressing any concerns, and adjusting treatment plans as necessary. It's a vital part of ensuring your ongoing wellbeing.
227 services94 patients
Subsequent nursing facility care with high level of medical decision making, per day, if using time, at least 45 minutes 99310
A follow-up nursing facility visit is a routine check-up that typically lasts about 35 minutes. During this visit, your health status is evaluated, any changes in your condition are noted, and necessary adjustments to your care plan are made. It's an essential part of maintaining your health.
179 services126 patients
Residence visit for established patient with moderate level of medical decision making, per day, if using time, at least 40 minutes 99349
An established patient home visit is a medical appointment conducted at your home, typically lasting around 40 minutes. This service is ideal for patients who may find it difficult to travel to a healthcare facility. During this visit, a healthcare professional will evaluate your health status, manage your care, and answer any health-related questions you may have.
65 services32 patients
Residence visit for established patient with high level of medical decision making, per day, if using time, at least 60 minutes 99350
An established patient home visit is a service where a healthcare professional visits a patient's home for a check-up or treatment. The visit typically lasts for about an hour. This service is especially beneficial for patients who may have difficulty traveling to a healthcare facility.
13 services11 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 60641 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
$94.06 typical visit price
range $60.08 – $183.39
Typical copayment $23.51 (range $15.02 – $45.84)
Most-billed visit code 99203
Established Patient
$105.70 typical visit price
range $18.97 – $148.12
Typical copayment $26.42 (range $4.74 – $37.03)
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 16

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

Commode chair, mobile or stationary, with detachable arms E0165
DME-Other DME · category DE000N
1 supplier35 claims35 services$7.86 avg. paid by Medicare
Hospital bed, semi-electric (head and foot adjustment), with any type side rails, with mattress E0260
DME-Hospital Beds · category DB000N
3 suppliers85 claims85 services$41.21 avg. paid by Medicare
Hospital bed, semi-electric (head and foot adjustment), with any type side rails, without mattress E0261
DME-Hospital Beds · category DB000N
1 supplier11 claims11 services$47.28 avg. paid by Medicare
Powered pressure-reducing air mattress E0277
DME-Hospital Beds · category DB000N
2 suppliers13 claims13 services$170.18 avg. paid by Medicare
Portable gaseous oxygen system, rental; includes portable container, regulator, flowmeter, humidifier, cannula or mask, and tubing E0431
DME-Oxygen and Supplies · category DC000N
2 suppliers14 claims14 services$15.73 avg. paid by Medicare
Nebulizer, with compressor E0570
DME-Other DME · category DE000N
1 supplier13 claims13 services$3.63 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 Thad Trejo's NPI number?

The NPI number for Thad Trejo is 1255870796. It was assigned to this individual provider in the NPPES registry on February 16, 2017.

Where is Thad Trejo located?

Thad Trejo practices at 4211 N Pulaski Rd, Chicago, IL 60641. The listed phone number is (312) 315-6103.

What is Thad Trejo's specialty?

The primary specialty registered for this NPI is Nurse Practitioner, specializing in Acute Care, with taxonomy code 363LA2100X.

Is Thad Trejo enrolled in Medicare?

Yes. Thad Trejo 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.

Which organizations bill Medicare for Thad Trejo's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Thad Trejo reassigns Medicare benefits to 3 organizations: Vitae Health Medical Illinois, PLLC (Skokie, IL), Cmc Healthcare LLC (Evanston, IL) and Paragon Clinical LLC (Burr Ridge, IL). Each 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 Thad Trejo's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Thad Trejo accept?

Health plans from Ambetter Health and Ambetter Health of Delaware list Thad Trejo 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.

When was this NPI record last updated?

The NPPES record for Thad Trejo was last updated on August 3, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 months 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.