CLIFTON CLARKE MD
NPI 1205849015
Internal Medicine - Critical Care Medicine in Chicago, IL

NPI Status: Active since August 14, 2006

Contact Information

500 E 51ST ST
CHICAGO, IL
ZIP 60615
Phone: (312) 572-1202

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  • Individual
  • Male
  • Internal Medicine
  • Critical Care Medicine
  • PECOS Enrolled

About CLIFTON CLARKE

This page provides the complete NPI Profile along with additional information for Clifton Clarke, an internist established in Chicago, Illinois with a medical specialization in Internal Medicine, focusing in critical care medicine . The healthcare provider is registered in the NPI registry with number 1205849015 assigned on August 2006. The practitioner's primary taxonomy code is 207RC0200X. The provider is registered as an individual and his NPI record was last updated one year ago.

NPI
1205849015
Provider Name
CLIFTON CLARKE MD
Gender
Male
Entity Type
Individual
Location Address
500 E 51ST ST CHICAGO, IL 60615
Location Phone
(312) 572-1202
Mailing Address
4923 S GREENWOOD AVE CHICAGO, IL 60615
Mailing Phone
(312) 572-2657
Is Sole Proprietor?
No
Enumeration Date
08-14-2006
Last Update Date
09-11-2025
Code Navigator

An internist like Clifton Clarke is a physician who has completed an internal medicine residency and is board-certified or board-eligible in an internist specialty. Internists are trained to care for adults of all ages for many different medical conditions. An internist typically monitors chronic physical conditions, identifies acute diseases, provides family planning, provides counseling about wellness and disease prevention, etc.

Location Map

Specialty - Primary Taxonomy

The NPI enumerator requires providers to submit at least one taxonomy code. A taxonomy code is a unique 10-character code that describes the healthcare provider type, classification, and the area of specialization. There could be only one primary taxonomy code per NPI record. For individual NPIs the license data is associated to the taxonomy code.

Classification

Internal Medicine Critical Care Medicine

Taxonomy Code
207RC0200X
Type
Allopathic & Osteopathic Physicians
License State
IL
Taxonomy Description
An internist who diagnoses, treats and supports patients with multiple organ dysfunction. This specialist may have administrative responsibilities for intensive care units and may also facilitate and coordinate patient care among the primary physician, the critical care staff and other specialists.

Secondary Taxonomies

The provider has reported to the NPI enumerator additional taxonomy codes. Multiple taxonomy codes may represent subspecialties or other areas of specialization the provider maybe licensed to practice.

No. Taxonomy Code Type Classification /
Specialization
License No. (State)
1207RP1001XAllopathic & Osteopathic Physicians

Internal Medicine
Pulmonary Disease

(IL)

Medicare Participation & PECOS Enrollment Status

Clifton Clarke is enrolled in PECOS and is eligible to order or refer health care services for Medicare patients. The provider is eligible to order or refer: Part B Clinical Laboratory and Imaging, Durable Medical Equipment (DME), a Home Health Agency (HHA) and Power Mobility Devices.

What is PECOS?
PECOS is the online Medicare enrollment management system or Provider, Enrollment, Chain and Ownership System. The PECOS system is a database of providers who have registered with CMS as providers or suppliers. PECOS is the primary source of information about verified Medicare professionals. Providers that want to participate in this program need to enroll in PECOS with their NPI number to avoid denied claims.

  • Is the provider registered in PECOS? Yes

  • Eligible to Order or Refer Part B Clinical Laboratory and Imaging: Yes

  • Eligible to Order or Refer Durable Medical Equipment (DMEPOS): Yes

  • Eligible to Order or Refer a Home Health Agency (HHA): Yes

  • Eligible to Order or Refer Power Mobility Devices: Yes

Provider Referred Orders for Durable Medical Equipment, Devices & Supplies

The following list reflects the services, supplies or durable medical equipment ordered by this provider to a DME supplier on behalf of patients. The information below is derived from Medicare claims data and reflects the BETOS category, HCPCS code information and the number times each service was submitted under the Medicare fee-for-service program.

Durable Medical Equipment

  • DME-Oxygen and Supplies (DC000N)

    Portable gaseous oxygen system, rental; includes portable container, regulator, flowmeter, humidifier, cannula or mask, and tubing (HCPCS:E0431)

    2 DME suppliers used 18 Medicare Claims 18 Services Paid

  • DME-Oxygen and Supplies (DC000N)

    Portable oxygen contents, gaseous, 1 month's supply = 1 unit (HCPCS:E0443)

    2 DME suppliers used 23 Medicare Claims 23 Services Paid

  • DME-Oxygen and Supplies (DC002N)

    Oxygen concentrator, single delivery port, capable of delivering 85 percent or greater oxygen concentration at the prescribed flow rate (HCPCS:E1390)

    2 DME suppliers used 18 Medicare Claims 18 Services Paid

  • DME-Other DME (DE000N)

    Pharmacy dispensing fee for inhalation drug(s); per 30 days (HCPCS:Q0513)

    3 DME suppliers used 13 Medicare Claims 13 Services Paid

Drugs Administered Through DME

  • DME-Drugs Administered Through DME (DG006N)

    Albuterol, inhalation solution, fda-approved final product, non-compounded, administered through dme, unit dose, 1 mg (HCPCS:J7613)

    3 DME suppliers used 12 Medicare Claims 2602 Services Paid

Areas of Expertise

The following services and procedures, recently provided to Medicare patients, illustrate the range of care this provider offers. This list reflects the variety of services available to all patients visiting the practice and is based on 2022 Medicare dataset. In general, the more frequently a provider treats specific conditions or performs particular procedures, the more experienced they become in addressing similar patient needs. The provider has delivered many of the services listed below to Medicare patients. Please note that this list does not include services provided to patients who are not covered by Medicare.

Established patient office or other outpatient visit, 20-29 minutes

This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.

This service was performed 28 times for 14 patients

Test to determine lung volumes using sensors

This test, called spirometry, measures lung capacity using sensors. You breathe into a mouthpiece attached to a device that records the amount and rate of air you inhale and exhale. It helps diagnose and monitor lung conditions.

This service was performed 104 times for 102 patients

Test to examine how well the lungs exchange gases

This is a test called a pulmonary function test, which helps understand the efficiency of your lungs. It measures how much air your lungs can hold, how quickly you can move air in and out of your lungs, and how well your lungs put oxygen into and remove carbon dioxide from your blood.

This service was performed 104 times for 102 patients

Test to measure expiratory airflow and volume changes before and after medication administration

This procedure measures how air flows in and out of your lungs. It's done before and after medication to see if the treatment improves your breathing. It's a simple, non-invasive test that involves breathing into a device called a spirometer.

This service was performed 104 times for 102 patients

Physician Visit Costs

The pricing information below displays the copayment minimum, maximum and average amount that patients under Medicare are charged when visiting this provider as a new or established patient. Please keep in mind that these prices are just for reference purposes, and the actual prices charged by the provider might be different.

For patients covered under private health plans the prices below are also useful as healthcare pricing for private insurance is usually established as a function of Medicare prices. Private insurance covered patients should check their individual plans to determine the exact pricing.

The prices below reflect the costs for new and established patients in the 60615 ZIP code area.

New Patients Visit Costs *

The most utilized procedure code for new patients office visits is 99204

  • Average New Patient Price $138.86
  • Minimum New Patient Price $60.08
  • Maximum New Patient Price $183.39
  • Average New Patient Copayment $34.71
  • Minimum New Patient Copayment $15.02
  • Maximum New Patient Copayment $45.84

Established Patients Visit Costs *

The most utilized procedure code for established patients office visits is 99214

  • Average Established Patient Price $105.7
  • Minimum Established Patient Price $18.97
  • Maximum Established Patient Price $148.12
  • Average Established Patient Copayment $26.42
  • Minimum Established Patient Copayment $4.74
  • Maximum Established Patient Copayment $37.03

* The physician office visit costs information is generated by statistical analysis of similar providers in the same geographical area. The pricing information above IS NOT the amount charged by this provider.

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NPI NPI Number Validation

How NPI Validation Works

The NPI validation process uses the ISO-standard Luhn algorithm, a mathematical "handshake", to ensure that a provider's 10-digit ID is authentic and free of common typing errors.

To verify the NPI 1205849015, we treat the final digit (5) as the Check Digit—the target answer we need to reach. The process begins by taking the first nine digits and adding a constant value of 24, which accounts for the "80840" prefix required for all U.S. health identifiers. We then double every other digit starting from the right and sum the individual digits of those results together. For this specific NPI, that total comes to 55. The final step is to find the difference between that total and the next multiple of ten (60 - 55 = 5).

Digit-by-digit view

Use the first nine digits for the calculation. Starting from the right, double every other digit. The last digit is the check digit and is not part of the calculation.

Pos 1
1
Doubled → 2
Pos 2
2
Unchanged
Pos 3
0
Doubled → 0
Pos 4
5
Unchanged
Pos 5
8
Doubled → 16 → 1 + 6
Pos 6
4
Unchanged
Pos 7
9
Doubled → 18 → 1 + 8
Pos 8
0
Unchanged
Pos 9
1
Doubled → 2
Check
5
Target digit
Regular digit Doubled digit Check digit

Step 1: Double every other digit from the right

Starting with the rightmost digit of the first nine digits, double every other value. If doubling creates a two-digit number, add those digits together.

1 → 2 0 → 0 8 → 16 → 7 9 → 18 → 9 1 → 2

Step 2: Add all digits plus the NPI constant

Add the transformed values, the unchanged digits, and the constant 24.

2 + 2 + 0 + 5 + 1 + 6 + 4 + 1 + 8 + 0 + 2 + 24 = 55

Step 3: Find the amount needed to reach the next multiple of 10

The next multiple of ten after 55 is 60. The difference is the calculated check digit.

60 - 55 = 5
This NPI is valid
The calculated check digit is 5, which matches the last digit of 1205849015.

Other Providers at the Same Location


The following 20 providers are registered at the same or a nearby location.

Pediatrics
500 E 51ST ST, DEPARTMENT OF PEDIATRICS
CHICAGO, IL 60615
Pathology (Anatomic Pathology & Clinical Pathology)
500 E 51ST ST
CHICAGO, IL 60615
Family Medicine (Addiction Medicine)
500 E 51ST ST
CHICAGO, IL 60615
Dietitian, Registered
500 E 51ST ST, PROVIDENT HOSPITAL
CHICAGO, IL 60615
Internal Medicine
500 E 51ST ST
CHICAGO, IL 60615
Anesthesiology
500 E 51ST ST
CHICAGO, IL 60615
Anesthesiology
500 E 51ST ST, SUITE 7047
CHICAGO, IL 60615
Surgery
500 E 51ST ST
CHICAGO, IL 60615
Internal Medicine
500 E 51ST ST
CHICAGO, IL 60615
Family Medicine
500 E 51ST ST
CHICAGO, IL 60615
Internal Medicine
500 E 51ST ST
CHICAGO, IL 60615
Anesthesiology
500 E 51ST ST
CHICAGO, IL 60615
Internal Medicine
500 E 51ST ST
CHICAGO, IL 60615
Physician Assistant
500 E 51ST ST, DEPARTMENT OF GENERAL SURGERY, ROOM 7058
CHICAGO, IL 60615
Physician Assistant (Medical)
500 E 51ST ST
CHICAGO, IL 60615
Family Medicine
500 E 51ST ST
CHICAGO, IL 60615
Pharmacist (Pharmacist Clinician (PhC)/ Clinical Pharmacy Specialist)
500 E 51ST ST
CHICAGO, IL 60615
Pharmacist (Pharmacist Clinician (PhC)/ Clinical Pharmacy Specialist)
500 E 51ST ST, IN-PATIENT PHARMACY
CHICAGO, IL 60615
Pharmacist (Pharmacist Clinician (PhC)/ Clinical Pharmacy Specialist)
500 E 51ST ST, 2ND FLOOR
CHICAGO, IL 60615
Pediatrics
500 E 51ST ST
CHICAGO, IL 60615

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1205849015, enumerated as an "individual" on August 14, 2006.

The provider is located at 500 E 51ST ST CHICAGO, IL 60615 and the phone number is (312) 572-1202.

Internal Medicine with taxonomy code 207RC0200X and a focus in Critical Care Medicine.