JENNIFER DE TOLEDO MALLEK M.D.
NPI 1588950513
Anesthesiology in Wheat Ridge, CO

Active since June 28, 2011PECOS EnrolledAccepts Medicare Assignment
12911 W 40TH AVE, WHEAT RIDGE, CO 80401(303) 425-4500 Get Directions Write a Review

NPPES record last updated: September 11, 2025. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Sep 11, 2025, Aug 16, 2024, Jul 21, 2022 and 1 more (4 updates tracked since 2017).

About Jennifer De Toledo Mallek M.d. NPPES

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

JENNIFER DE TOLEDO MALLEK M.D. (NPI 1588950513) is an individual anesthesiology provider in Wheat Ridge, Colorado, licensed in Colorado (CDRH.0056931) and active in the NPI registry since June 2011. She is enrolled in Medicare PECOS, maintains 3 additional practice locations, and is a graduate of Other (2011).

NPPES Registry Identity

NPI1588950513
Entity TypeIndividualFemale
Primary Taxonomy207L00000X
Provider Legal NameJENNIFER DE TOLEDO MALLEKCredential: M.D.
Location Address12911 W 40TH AVEWheat Ridge, CO 80401-2696
Mailing AddressPo Box 650823Dallas, TX 75265-0823
Sole ProprietorNo
Medical School CMSOtherGraduated 2011
Enumeration DateJune 28, 2011
Last NPPES UpdateSeptember 11, 20254 updates tracked since enumeration
NPPES CertifiedSeptember 11, 2025
✔ NPI 1588950513 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyAnesthesiologyAllopathic & Osteopathic Physicians
Taxonomy Code207L00000X
Licenses✔ Licensed in CO · CDRH.0056931✔ Licensed in FL · ME123239✔ Licensed in FL · TRN15938
Definition
An anesthesiologist is trained to provide pain relief and maintenance, or restoration, of a stable condition during and immediately following an operation or an obstetric or diagnostic procedure. The anesthesiologist assesses the risk of the patient undergoing surgery and optimizes the patient's condition prior to, during and after surgery. In addition to these management responsibilities, the anesthesiologist provides medical management and consultation in pain management and critical care medicine. Anesthesiologists diagnose and treat acute, long-standing and cancer pain problems; diagnose and treat patients with critical illnesses or severe injuries; direct resuscitation in the care of patients with cardiac or respiratory emergencies, including the need for artificial ventilation; and supervise post-anesthesia recovery.
12911 W 40TH AVE, Wheat Ridge, CO 80401

Secondary Practice Locations 3

Location 112605 E 16th AveAurora, CO 80045-2545 · Phone (720) 848-0000
Location 214300 Orchard PkwyWestminster, CO 80023-9206 · Phone (720) 627-4479 · Fax (720) 627-3382
Location 31600 Prairie Center PkwyBrighton, CO 80601-4006 · Phone (303) 422-9438 · Fax (303) 422-9474

Other Identifiers 3

Medicaid014756100FL
Medicaid1588950513CO
OtherTRN15938FL · Training Licence

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

Jennifer De Toledo Mallek M.d. 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 ID5991946873
PECOS Enrollment IDI20171011000705
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

10

Medicare enrollment records show Jennifer Mallek reassigns Medicare billing to 10 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Anesthesiology
12911 W 40TH AVE
Golden, CO 80401
  • Reassigned Medicare billing, Colorado enrollment
  • 171 clinicians in this Medicare group
Sports Medicine
16280 W 64TH AVE
Arvada, CO 80007
  • Reassigned Medicare billing, Colorado enrollment
  • 1,193 clinicians in this Medicare group
Gynecologic Oncology
255 UNION BLVD STE 200
Lakewood, CO 80228
  • Reassigned Medicare billing, Colorado enrollment
  • 4,283 clinicians in this Medicare group
General Practice
777 BANNOCK ST
Denver, CO 80204
  • Reassigned Medicare billing, Colorado enrollment
  • 2,259 clinicians in this Medicare group
Anesthesiology
7535 E HAMPDEN AVE STE 410
Denver, CO 80231
  • Reassigned Medicare billing, Colorado enrollment
  • 9 clinicians in this Medicare group
Anesthesiology
4747 ARAPAHOE AVE
Boulder, CO 80303
  • Reassigned Medicare billing, Colorado enrollment
  • 93 clinicians in this Medicare group
Anesthesiology
1501 S POTOMAC ST
Aurora, CO 80012
  • Reassigned Medicare billing, Colorado enrollment
  • 9 clinicians in this Medicare group
Anesthesiology
9397 CROWN CREST BLVD, # 110
Parker, CO 80138
  • Reassigned Medicare billing, Colorado enrollment
  • Medicare enrollment name: 5280 Anesthesia P C
  • 11 clinicians in this Medicare group
Anesthesiology
4606 JACKSON CREEK RD
Sedalia, CO 80135
  • Reassigned Medicare billing, Colorado enrollment
  • 79 clinicians in this Medicare group
Anesthesiology
2909 CANON RIDGE RD
Castle Rock, CO 80104
  • Reassigned Medicare billing, Colorado enrollment
  • 15 clinicians in this Medicare group

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

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.

Advanced Practice Midwife
12911 W 40TH AVE
GOLDEN, CO 80401
Anesthesiology
12911 W 40TH AVE
GOLDEN, CO 80401
Pharmacist
12911 W 40TH AVE
LAKEWOOD, CO 80401
Internal Medicine
12911 W 40TH AVE
WHEAT RIDGE, CO 80401
Pharmacist
12911 W 40TH AVE
GOLDEN, CO 80401
Anesthesiology
12911 W 40TH AVE
GOLDEN, CO 80401
Nurse Anesthetist, Certified Registered
12911 W 40TH AVE
GOLDEN, CO 80401
Anesthesiology
12911 W 40TH AVE
GOLDEN, CO 80401

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 Jennifer Mallek's NPI number?

The NPI number for Jennifer Mallek is 1588950513. It was assigned to this individual provider in the NPPES registry on June 28, 2011.

Where is Jennifer Mallek located?

Jennifer Mallek practices at 12911 W 40th Ave, Wheat Ridge, CO 80401. The listed phone number is (303) 425-4500.

What is Jennifer Mallek's specialty?

The primary specialty registered for this NPI is Anesthesiology with taxonomy code 207L00000X.

Is Jennifer Mallek enrolled in Medicare?

Yes. Jennifer Mallek 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 Jennifer Mallek's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Jennifer Mallek reassigns Medicare benefits to 10 organizations: Physician Anesthesia Services PC (Golden, CO), Catholic Health Initiatives Colorado (Arvada, CO), University Physicians Incorporated (Lakewood, CO), Denver Health And Hospital Authority (Denver, CO), Anesthesia Specialists Of Colorado (Denver, CO) and 5 more organizations, listed in the Medicare section above. 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 Jennifer Mallek'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 Jennifer Mallek was last updated on September 11, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 13 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.