DR. ROBERT HEIDENRY M.D.
NPI 1912903691
Ophthalmology in Hazel Crest, IL

NPI Status: Active since June 27, 2005

Contact Information

17850 KEDZIE AVE
SUITE 3500
HAZEL CREST, IL
ZIP 60429
Phone: (708) 799-8585

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  • Individual
  • Male
  • Ophthalmology

About ROBERT HEIDENRY

This page provides the complete NPI Profile along with additional information for Robert Heidenry, a provider established in Hazel Crest, Illinois with a medical specialization in Ophthalmology. The healthcare provider is registered in the NPI registry with number 1912903691 assigned on June 2005. The practitioner's primary taxonomy code is 207W00000X with license number 036048186 (IL). The provider is registered as an individual and his NPI record was last updated 18 years ago.

NPI
1912903691
Provider Name
DR. ROBERT HEIDENRY M.D.
Gender
Male
Entity Type
Individual
Location Address
17850 KEDZIE AVE SUITE 3500 HAZEL CREST, IL 60429
Location Phone
(708) 799-8585
Mailing Address
6850 HOHMAN AVE HAMMOND, IN 46324
Mailing Phone
(219) 931-7509
Is Sole Proprietor?
No
Enumeration Date
06-27-2005
Last Update Date
06-23-2008
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Ophthalmologists like Robert Heidenry specialize in diagnosing and treating eye conditions. They may perform surgeries to correct vision issues or prevent vision loss due to diseases like glaucoma. Additionally, they can provide eyeglasses, prescribe contact lenses, and offer other vision-related services.

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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

Ophthalmology

Taxonomy Code
207W00000X
Type
Allopathic & Osteopathic Physicians
License No.
036048186
License State
IL
Taxonomy Description
An ophthalmologist has the knowledge and professional skills needed to provide comprehensive eye and vision care. Ophthalmologists are medically trained to diagnose, monitor and medically or surgically treat all ocular and visual disorders. This includes problems affecting the eye and its component structures, the eyelids, the orbit and the visual pathways. In so doing, an ophthalmologist prescribes vision services, including glasses and contact lenses.

Insurance Plans Accepted

According to publicly available information the provider might be accepting the following health plans from these health insurance companies:

Specific plan information not avaialable, please contact the provider to verify if your insurance plan is accepted.

Specific plan information not avaialable, please contact the provider to verify if your insurance plan is accepted.

*Please verify directly with this provider to make sure your insurance plan is currently accepted.

Additional Identifiers

The NPI Enumerator encourages providers to submit additional identifiers with their NPI application although the submission of this information is optional. The additional identifier(s) section includes other numbers or codes currently or formerly used as an identifier for the provider by other public healthcare entities. The identifiers may include UPIN, NSC, OSCAR, DEA, Medicaid State or PIN identification numbers.

Identifier Type / Code Identifier State Identifier Issuer
L67099MEDICARE ID-TYPE UNSPECIFIED (04)IL 
D12516MEDICARE UPIN (02) 
036048186MEDICAID (05)IL 

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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 1912903691, we treat the final digit (1) 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 69. The final step is to find the difference between that total and the next multiple of ten (70 - 69 = 1).

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

Step 2: Add all digits plus the NPI constant

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

2 + 9 + 2 + 2 + 1 + 8 + 0 + 6 + 6 + 1 + 8 + 24 = 69

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

The next multiple of ten after 69 is 70. The difference is the calculated check digit.

70 - 69 = 1
This NPI is valid
The calculated check digit is 1, which matches the last digit of 1912903691.

Other Providers at the Same Location


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

Internal Medicine
17850 KEDZIE AVE, 3200
HAZEL CREST, IL 60429
Internal Medicine (Gastroenterology)
17850 KEDZIE AVE, 3200
HAZEL CREST, IL 60429
Plastic Surgery
17850 KEDZIE AVE, SUITE 2200
HAZEL CREST, IL 60429
Occupational Therapist (Hand)
17850 KEDZIE AVE, SUITE 2300
HAZEL CREST, IL 60429
Ophthalmology
17850 KEDZIE AVE, DOCTORS PAVILION SUITE 1200
HAZEL CREST, IL 60429
Obstetrics & Gynecology
17850 KEDZIE AVE, #2600
HAZEL CREST, IL 60429
Clinic/Center (Primary Care)
17850 KEDZIE AVE, SUITE 1700
HAZEL CREST, IL 60429
Thoracic Surgery (Cardiothoracic Vascular Surgery)
17850 KEDZIE AVE, SUITE 3000
HAZEL CREST, IL 60429
Clinic/Center (Federally Qualified Health Center (FQHC))
17850 KEDZIE AVE, SUITE 3200
HAZEL CREST, IL 60429
Internal Medicine
17850 KEDZIE AVE, SUITE 2200
HAZEL CREST, IL 60429
Internal Medicine (Gastroenterology)
17850 KEDZIE AVE, 3200
HAZEL CREST, IL 60429
Nurse Practitioner (Obstetrics & Gynecology)
17850 KEDZIE AVE
HAZEL CREST, IL 60429
Internal Medicine (Cardiovascular Disease)
17850 KEDZIE AVE, STE. 3600
HAZEL CREST, IL 60429
Family Medicine
17850 KEDZIE AVE, 3200
HAZEL CREST, IL 60429
Internal Medicine (Cardiovascular Disease)
17850 KEDZIE AVE
HAZEL CREST, IL 60429
Nurse Practitioner (Family)
17850 KEDZIE AVE
HAZEL CREST, IL 60429
Internal Medicine (Gastroenterology)
17850 KEDZIE AVE
HAZEL CREST, IL 60429
Internal Medicine (Gastroenterology)
17850 KEDZIE AVE, 2100
HAZEL CREST, IL 60429
Internal Medicine
17850 KEDZIE AVE, 3200
HAZEL CREST, IL 60429
Social Worker (Clinical)
17850 KEDZIE AVE
HAZEL CREST, IL 60429

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1912903691, enumerated as an "individual" on June 27, 2005.

The provider is located at 17850 KEDZIE AVE SUITE 3500 HAZEL CREST, IL 60429 and the phone number is (708) 799-8585.

Ophthalmology with taxonomy code 207W00000X.

The provider might be accepting Accepts: Medicare and Medicaid. Please consult your insurance carrier or call the provider to verify.