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MARK ANTON ALTAR ARGANDA MD
NPI 1144895954
Internal Medicine in Chicago, IL

Active since May 24, 2021PECOS EnrolledAccepts Medicare Assignment
1901 W HARRISON ST, CHICAGO, IL 60612(312) 864-6000 Get Directions Write a Review

NPPES record last updated: October 15, 2024. Verified against the NPPES registry weekly; last sync: October 25, 2026.

About Mark Anton Altar Arganda Md NPPES

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

MARK ANTON ALTAR ARGANDA MD (NPI 1144895954) is an individual internal medicine provider in Chicago, Illinois, licensed in Illinois (125.078041) and active in the NPI registry since May 2021. He is enrolled in Medicare PECOS and is a graduate of Other (2019).

NPPES Registry Identity

NPI1144895954
Entity TypeIndividualMale
Primary Taxonomy207R00000X
Provider Legal NameMARK ANTON ALTAR ARGANDACredential: MD
Location Address1901 W HARRISON STChicago, IL 60612-3714
Mailing Address1901 W Harrison StChicago, IL 60612-3714 · (312) 864-6000
Phone(312) 864-6000
Sole ProprietorNo
Medical School CMSOtherGraduated 2019
Enumeration DateMay 24, 2021
Last NPPES UpdateOctober 15, 2024
NPPES CertifiedMay 24, 2021
✔ NPI 1144895954 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 · 125.078041
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.
1901 W HARRISON ST, Chicago, IL 60612
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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

Mark Anton Altar Arganda 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 ID8123422987
PECOS Enrollment IDI20241119003124
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 Reassignment

Medicare enrollment records show Mark Anton Arganda reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Southern California Permanente Medical Group
1,686 mi
Health Maintenance Organization
3527 W FLORIDA AVE
Hemet, CA 92545
  • Reassigned Medicare billing, California enrollment
  • 5,228 clinicians in this Medicare group
NPI 1013433465 (877) 608-0044

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

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 60612 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.

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.

JOHANNA WEFES-POTTER
Emergency Medicine
1901 W HARRISON ST
CHICAGO, IL 60612
Cook County (847) 843-2000
ARON BERHANU GUDETTA MD
Internal Medicine
1901 W HARRISON ST
CHICAGO, IL 60612
Cook County (312) 864-6000
DR. LIGAYA VILLAFRANCA MARASIGAN M.D.
Obstetrics & Gynecology (Gynecology)
1901 W HARRISON ST
CHICAG, IL 60612
Cook County (312) 864-5901
TIN TIN THOMAS M.D.
Internal Medicine
1901 W HARRISON ST
CHICAGO, IL 60612
Cook County (312) 864-6000
COOK COUNTY
Pharmacy (Clinic Pharmacy)
1901 W HARRISON ST
CHICAGO, IL 60612
Cook County (312) 864-6189
HELEN ELIZABETH STRAUS MD
Emergency Medicine
1901 W HARRISON ST
CHICAGO, IL 60612
Cook County (312) 864-0060
MR. GLEN DERRICK TRAMMELL PA-C
Physician Assistant
1901 W HARRISON ST
CHICAGO, IL 60612
Cook County (773) 869-7488
JOHN H STROGER, JR. HOSPITAL OF COOK COUNTY
General Acute Care Hospital
1901 W HARRISON ST
CHICAGO, IL 60612
Cook County (773) 319-2085

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 Mark Anton Arganda's NPI number?

The NPI number for Mark Anton Arganda is 1144895954. It was assigned to this individual provider in the NPPES registry on May 24, 2021.

Where is Mark Anton Arganda located?

Mark Anton Arganda practices at 1901 W Harrison St, Chicago, IL 60612. The listed phone number is (312) 864-6000.

What is Mark Anton Arganda's specialty?

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

Is Mark Anton Arganda enrolled in Medicare?

Yes. Mark Anton Arganda 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 organization bills Medicare for Mark Anton Arganda's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Mark Anton Arganda reassigns Medicare benefits to Southern California Permanente Medical Group (Hemet, CA). The 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 Mark Anton Arganda'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 Mark Anton Arganda was last updated on October 15, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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.