JEFFREY J WARREN MD
NPI 1316140627
Internal Medicine in Thornton, CO

Active since June 06, 2007PECOS EnrolledAccepts Medicare Assignment
8451 PEARL ST, THORNTON, CO 80229(303) 286-5129 Get Directions Write a Review

NPPES record last updated: November 29, 2022. Verified against the NPPES registry weekly; last sync: July 26, 2026.

Record update history: Nov 29, 2022, Jan 17, 2019, Aug 29, 2018 (3 updates tracked since 2018).

About Jeffrey J Warren Md NPPES

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

JEFFREY J WARREN MD (NPI 1316140627) is an individual internal medicine provider in Thornton, Colorado, licensed in Illinois (125050254) and active in the NPI registry since June 2007. He is enrolled in Medicare PECOS, maintains a secondary practice location in Peoria, and is a graduate of Other (2005).

NPPES Registry Identity

NPI1316140627
Entity TypeIndividualMale
Primary Taxonomy207R00000X
Provider Legal NameJEFFREY J WARRENCredential: MD
Location Address8451 PEARL STThornton, CO 80229
Mailing Address5571 Dunraven CtGolden, CO 80403-2071 · (720) 442-6220
Sole ProprietorYes
Medical School CMSOtherGraduated 2005
Enumeration DateJune 6, 2007
Last NPPES UpdateNovember 29, 20223 updates tracked since enumeration
NPPES CertifiedNovember 29, 2022
NPI 1316140627 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
License Licensed in IL · 125050254
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.

8451 PEARL ST, Thornton, CO 80229

Secondary Practice Location 1

Location 1530 NE Glen Oak AvePeoria, IL 61637-0001 · Phone (309) 655-2000

Other Identifiers 3

OtherCA4079IL · Rr Medicare Group Ptan
OtherP00617110IL · Rr Medicare Member Ptan
Other809840IL · Medicare Group #

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

Jeffrey J Warren Md 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 ID6002987666
PECOS Enrollment IDI20100325000046
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

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 hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 99233
Follow-up hospital inpatient care per day typically involves a 35-minute check-up by your healthcare provider. This service includes monitoring your health progress, adjusting your treatment plan if needed, and answering any questions you may have about your condition or care.
139 services19 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 80229 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
$132.55 typical visit price
range $58.06 – $174.82
Typical copayment $33.13 (range $14.51 – $43.70)
Most-billed visit code 99204
Established Patient
$102.03 typical visit price
range $18.88 – $142.79
Typical copayment $25.50 (range $4.72 – $35.69)
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 12

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

Long Term Care Hospital
8451 PEARL ST
THORNTON, CO 80229
Internal Medicine
8451 PEARL ST
THORNTON, CO 80229
Long Term Care Hospital
8451 PEARL ST
THORNTON, CO 80229
Surgery
8451 PEARL ST
THORNTON, CO 80229
Skilled Nursing Facility
8451 PEARL ST
THORNTON, CO 80229
Psychiatric Hospital
8451 PEARL ST, SUITE 100
THORNTON, CO 80229
Skilled Nursing Facility
8451 PEARL ST
THORNTON, CO 80229
Hospitalist
8451 PEARL ST
THORNTON, CO 80229

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 Jeffrey Warren's NPI number?

The NPI number for Jeffrey Warren is 1316140627. It was assigned to this individual provider in the NPPES registry on June 6, 2007.

Where is Jeffrey Warren located?

Jeffrey Warren practices at 8451 Pearl St, Thornton, CO 80229. The listed phone number is (303) 286-5129.

What is Jeffrey Warren's specialty?

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

Is Jeffrey Warren enrolled in Medicare?

Yes. Jeffrey Warren 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.

When was this NPI record last updated?

The NPPES record for Jeffrey Warren was last updated on November 29, 2022. NPI Profile syncs with the weekly NPPES data releases published by CMS.