MARIANI DEL VALLE SALAZAR LEON MD
NPI 1871080663
Internal Medicine in Oak Lawn, IL

Active since April 17, 2018PECOS EnrolledAccepts Medicare Assignment
4440 W 95TH ST, OAK LAWN, IL 60453(773) 677-8380 Get Directions Write a Review

NPPES record last updated: April 20, 2022. Verified against the NPPES registry weekly; last sync: August 02, 2026.

Record update history: Apr 20, 2022, Jul 21, 2021, Apr 17, 2018 (3 updates tracked since 2018).

About Mariani Del Valle Salazar Leon Md NPPES

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

MARIANI DEL VALLE SALAZAR LEON MD (NPI 1871080663) is an individual internal medicine provider in Oak Lawn, Illinois, licensed in Illinois (036155677) and active in the NPI registry since April 2018. She is enrolled in Medicare PECOS, is affiliated with Advocate Christ Hospital & Medical Center, and maintains a secondary practice location in Chicago.

NPPES Registry Identity

NPI1871080663
Entity TypeIndividualFemale
Primary Taxonomy207R00000X
Provider Legal NameMARIANI DEL VALLE SALAZAR LEONCredential: MD
Location Address4440 W 95TH STOak Lawn, IL 60453-2600
Mailing Address1111 Thomas StOak Park, IL 60302-1534 · (224) 256-0159
Sole ProprietorYes
Medical School CMSOtherGraduated 2009
Enumeration DateApril 17, 2018
Last NPPES UpdateApril 20, 20223 updates tracked since enumeration
NPPES CertifiedApril 20, 2022
NPI 1871080663 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
License Licensed in IL · 036155677
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.
4440 W 95TH ST, Oak Lawn, IL 60453

Secondary Practice Location 1

Location 1836 W Wellington AveChicago, IL 60657-5147 · Phone (773) 975-1600 · Fax (773) 296-5265

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

Mariani Del Valle Salazar Leon 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 ID3476806183
PECOS Enrollment IDI20210614000909
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 4

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.
474 services154 patients
Hospital discharge day management, more than 30 minutes 99239
Hospital discharge day management over 30 minutes involves a detailed process to ensure a smooth transition from hospital to home. It includes final examinations, discussion of your hospital stay, post-discharge instructions, and coordinating follow-up care.
95 services95 patients
Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 99223
Initial hospital inpatient care per day, typically 70 minutes, refers to the daily medical service provided to patients admitted to the hospital. This includes a comprehensive evaluation, diagnosis, treatment plan, and monitoring of your health condition. It ensures your well-being during your hospital stay.
81 services80 patients
Advance care planning, first 30 minutes 99497
Advance care planning is a process where you discuss your healthcare preferences with your doctor. This conversation, lasting up to 30 minutes, helps ensure your wishes are respected if you're unable to communicate them in the future. It's about your care, your way.
44 services43 patients

Hospital Affiliations CMS Care Compare

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Advocate Christ Hospital & Medical Center

Acute Care Hospitals · Oak Lawn, IL
2/5 CMS rating
OwnershipVoluntary non-profit - Church
CMS Certification Number140208
Location4440 W 95th StreetOak Lawn, IL 60453 · Cook County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 60453 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
$138.86 typical visit price
range $60.08 – $183.39
Typical copayment $34.71 (range $15.02 – $45.84)
Most-billed visit code 99204
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 3

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 supplier13 claims13 services$15.71 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 supplier15 claims15 services$62.93 avg. paid by Medicare
Lightweight wheelchair K0003
DME-Wheelchairs · category DD000N
2 suppliers11 claims11 services$32.46 avg. paid by Medicare
Dollar amounts are the average Medicare paid the supplier per service. They are not the cost to the patient.

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.

Urology
4440 W 95TH ST
OAK LAWN, IL 60453
Internal Medicine
4440 W 95TH ST
OAK LAWN, IL 60453
Psychologist (Clinical)
4440 W 95TH ST
OAK LAWN, IL 60453
Occupational Therapist (Physical Rehabilitation)
4440 W 95TH ST
OAK LAWN, IL 60453
Speech-Language Pathologist
4440 W 95TH ST
OAK LAWN, IL 60453
Occupational Therapist
4440 W 95TH ST
OAK LAWN, IL 60453
Emergency Medicine
4440 W 95TH ST
OAK LAWN, IL 60453
Speech-Language Pathologist
4440 W 95TH ST
OAK LAWN, IL 60453

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 Mariani Salazar Leon's NPI number?

The NPI number for Mariani Salazar Leon is 1871080663. It was assigned to this individual provider in the NPPES registry on April 17, 2018.

Where is Mariani Salazar Leon located?

Mariani Salazar Leon practices at 4440 W 95th St, Oak Lawn, IL 60453. The listed phone number is (773) 677-8380.

What is Mariani Salazar Leon's specialty?

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

Is Mariani Salazar Leon enrolled in Medicare?

Yes. Mariani Salazar Leon 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.

Is Mariani Salazar Leon affiliated with any hospitals?

According to CMS data, Mariani Salazar Leon is affiliated with Advocate Christ Hospital & Medical Center.

When was this NPI record last updated?

The NPPES record for Mariani Salazar Leon was last updated on April 20, 2022. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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.