DAVID S ATLAS M.D.
NPI 1952375636
Internal Medicine - Gastroenterology in Chicago, IL

Q: What is David Atlas's NPI number?

The NPI number for David Atlas is 1952375636. It was assigned to this individual provider in the NPPES registry on February 17, 2006.

Q: What is David Atlas's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Gastroenterology, with taxonomy code 207RG0100X.

Q: When was this NPI record last updated?

The NPPES record for David Atlas was last updated on July 9, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 12 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.

Active since February 17, 2006PECOS EnrolledAccepts Medicare Assignment

2315 E 93RD ST STE 440, CHICAGO, IL 60617(708) 333-0001 Get Directions Write a Review

NPPES record last updated: July 9, 2025. Verified against the NPPES registry weekly; last sync: August 02, 2026.

Record update history: Jul 9, 2025, Dec 21, 2021 (2 updates tracked since 2021).

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About David S Atlas M.d. NPPES

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

DAVID S ATLAS M.D. (NPI 1952375636) is an individual gastroenterology provider in Chicago, Illinois, licensed in Illinois (036120786) and active in the NPI registry since February 2006. He is enrolled in Medicare PECOS, is affiliated with Ingalls Memorial Hospital, and maintains a secondary practice location in Flossmoor.

NPPES Registry Identity

NPI1952375636

Entity TypeIndividualMale

Primary Taxonomy207RG0100X

Provider Legal NameDAVID S ATLASCredential: M.D.

Location Address2315 E 93RD ST STE 440Chicago, IL 60617-3951

Mailing Address2315 E 93rd St Ste 440Chicago, IL 60617-3951 · (708) 333-0001

Phone(708) 333-0001

Sole ProprietorNo

Medical School CMSR Franklin University Of Med & Sci/chicago Medical SchoolGraduated 2004

Enumeration DateFebruary 17, 2006

Last NPPES UpdateJuly 9, 20252 updates tracked since enumeration

NPPES CertifiedJuly 9, 2025

✔ NPI 1952375636 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal Medicine · GastroenterologyAllopathic & Osteopathic Physicians

Taxonomy Code207RG0100X

License✔ Licensed in IL · 036120786

Definition

An internist who specializes in diagnosis and treatment of diseases of the digestive organs including the stomach, bowels, liver and gallbladder. This specialist treats conditions such as abdominal pain, ulcers, diarrhea, cancer and jaundice and performs complex diagnostic and therapeutic procedures using endoscopes to visualize internal organs.

2315 E 93RD ST STE 440, Chicago, IL 60617

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Secondary Practice Location 1

Location 119550 Governors HwyFlossmoor, IL 60422-2125 · Phone (888) 824-0200

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

David S Atlas 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 ID4183658198

PECOS Enrollment IDI20110603000147

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 9

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 35 minutes 99232

Follow-up hospital inpatient care involves daily check-ups while you're admitted in the hospital. Typically, a healthcare provider spends about 25 minutes each day reviewing your condition, adjusting treatment if needed, and answering any questions you might have.

91 services58 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.

69 services68 patients

Subsequent hospital care with straightforward or low level of medical decision making, per day, if using time, at least 25 minutes 99231

Follow-up hospital inpatient care is a daily service where a healthcare professional checks on your health progress during your hospital stay. Each session typically lasts 15 minutes, involving updates on your condition and adjustments to your treatment plan, if necessary.

46 services39 patients

Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope 43239

This procedure involves using a thin, flexible tube with a light and camera, known as an endoscope, to examine the esophagus, stomach, and upper part of the small intestine. Small tissue samples are taken for further examination to help diagnose various conditions.

45 services41 patients

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.

34 services19 patients

Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 99222

Initial hospital inpatient care is a service where a healthcare provider spends about 50 minutes per day overseeing your care while you're admitted in the hospital. This includes reviewing your health status, planning your treatment, and ensuring your safety and comfort.

30 services30 patients

Hospital Affiliations CMS Care Compare

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

Ingalls Memorial Hospital

Acute Care Hospitals · Harvey, IL

2/5 CMS rating

OwnershipPhysician

CMS Certification Number140191

Location1 Ingalls DriveHarvey, IL 60426 · Cook County

Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 60617 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.

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Other Providers at the Same Location NPPES 7

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

AIMEE SCHAD MD

Internal Medicine (Hematology & Oncology)