LEONARD T HEFFNER M.D.
NPI 1780791533
Internal Medicine - Hematology & Oncology in Atlanta, GA

NPI Status: Active since August 25, 2006

Contact Information

1365 CLIFTON RD NE
ATLANTA, GA
ZIP 30322
Phone: (404) 778-1900

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  • Individual
  • Male
  • Internal Medicine
  • Hematology & Oncology

About LEONARD HEFFNER

This page provides the complete NPI Profile along with additional information for Leonard Heffner, an internist established in Atlanta, Georgia with a medical specialization in Internal Medicine, focusing in hematology & oncology . The healthcare provider is registered in the NPI registry with number 1780791533 assigned on August 2006. The practitioner's primary taxonomy code is 207RH0003X with license number 15780 (GA). The provider is registered as an individual and his NPI record was last updated 19 years ago.

NPI
1780791533
Provider Name
LEONARD T HEFFNER M.D.
Gender
Male
Entity Type
Individual
Location Address
1365 CLIFTON RD NE ATLANTA, GA 30322
Location Phone
(404) 778-1900
Mailing Address
1365 CLIFTON RD NE ATLANTA, GA 30322
Mailing Phone
(404) 778-1900
Is Sole Proprietor?
Yes
Enumeration Date
08-25-2006
Last Update Date
07-08-2007
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An internist like Leonard Heffner 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 Hematology & Oncology

Taxonomy Code
207RH0003X
Type
Allopathic & Osteopathic Physicians
License No.
15780
License State
GA
Taxonomy Description
An internist doctor of osteopathy that specializes in the treatment of the combination of hematology and oncology disorders. A doctor of osteopathy that is board eligible/certified by the American Osteopathic Board of Internal Medicine WAS able to obtain a Certificate of Special Qualifications in the field of Hematology and Oncology. The Certificate is NO longer offered.

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
D40107MEDICARE UPIN (02)GA 

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 41 times for 41 patients

Established patient office or other outpatient visit, 30-39 minutes

This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.

This service was performed 44 times for 39 patients

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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 1780791533, we treat the final digit (3) 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 67. The final step is to find the difference between that total and the next multiple of ten (70 - 67 = 3).

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
7
Unchanged
Pos 3
8
Doubled → 16 → 1 + 6
Pos 4
0
Unchanged
Pos 5
7
Doubled → 14 → 1 + 4
Pos 6
9
Unchanged
Pos 7
1
Doubled → 2
Pos 8
5
Unchanged
Pos 9
3
Doubled → 6
Check
3
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 8 → 16 → 7 7 → 14 → 5 1 → 2 3 → 6

Step 2: Add all digits plus the NPI constant

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

2 + 7 + 1 + 6 + 0 + 1 + 4 + 9 + 2 + 5 + 6 + 24 = 67

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

The next multiple of ten after 67 is 70. The difference is the calculated check digit.

70 - 67 = 3
This NPI is valid
The calculated check digit is 3, which matches the last digit of 1780791533.

Other Providers at the Same Location


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

Internal Medicine (Medical Oncology)
1365 CLIFTON RD NE, WINSHIP CANCER INSTITUTE
ATLANTA, GA 30322
Optometrist
1365 CLIFTON RD NE
ATLANTA, GA 30322
Internal Medicine (Geriatric Medicine)
1365 CLIFTON RD NE
ATLANTA, GA 30322
Radiology (Body Imaging)
1365 CLIFTON RD NE
ATLANTA, GA 30322
Neurological Surgery
1365 CLIFTON RD NE, STE B6200
ATLANTA, GA 30322
Ophthalmology
1365 CLIFTON RD NE, BLDG B ROOM BT428
ATLANTA, GA 30322
Radiology (Radiation Oncology)
1365 CLIFTON RD NE, SUITE A 1316
ATLANTA, GA 30322
Surgery
1365 CLIFTON RD NE
ATLANTA, GA 30322
Physician Assistant
1365 CLIFTON RD NE, SUITE B6168
ATLANTA, GA 30322
Psychiatry & Neurology (Psychiatry)
1365 CLIFTON RD NE, SUITE B6100
ATLANTA, GA 30322
Emergency Medicine
1365 CLIFTON RD NE
ATLANTA, GA 30322
Internal Medicine (Pulmonary Disease)
1365 CLIFTON RD NE
ATLANTA, GA 30322
Otolaryngology
1365 CLIFTON RD NE, BUILDING A
ATLANTA, GA 30322
Neurological Surgery
1365 CLIFTON RD NE, STE B6200
ATLANTA, GA 30322
Internal Medicine (Nephrology)
1365 CLIFTON RD NE
ATLANTA, GA 30322
Ophthalmology
1365 CLIFTON RD NE
ATLANTA, GA 30322
Internal Medicine (Hematology & Oncology)
1365 CLIFTON RD NE
ATLANTA, GA 30322
Internal Medicine (Hematology & Oncology)
1365 CLIFTON RD NE
ATLANTA, GA 30322
Nurse Practitioner
1365 CLIFTON RD NE
ATLANTA, GA 30322
Nurse Practitioner
1365 CLIFTON RD NE
ATLANTA, GA 30322

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1780791533, enumerated as an "individual" on August 25, 2006.

The provider is located at 1365 CLIFTON RD NE ATLANTA, GA 30322 and the phone number is (404) 778-1900.

Internal Medicine with taxonomy code 207RH0003X and a focus in Hematology & Oncology.

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