LEONARD M FRIEDMAN M.D.
NPI 1790733145
Ophthalmology in Washington, DC

NPI Status: Active since May 05, 2006

Contact Information

4301 CONNECTICUT AVE NW
STE 125
WASHINGTON, DC
ZIP 20008
Phone: (202) 362-4545
Fax: (202) 244-8028

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  • Individual
  • Male
  • Ophthalmology
  • Accepts Insurance

About LEONARD FRIEDMAN

This page provides the complete NPI Profile along with additional information for Leonard Friedman, a provider established in Washington, District Of Columbia with a medical specialization in Ophthalmology. The healthcare provider is registered in the NPI registry with number 1790733145 assigned on May 2006. The practitioner's primary taxonomy code is 207W00000X with license number MD4794 (DC). The provider is registered as an individual and his NPI record was last updated 7 years ago.

NPI
1790733145
Provider Name
LEONARD M FRIEDMAN M.D.
Gender
Male
Entity Type
Individual
Location Address
4301 CONNECTICUT AVE NW STE 125 WASHINGTON, DC 20008
Location Phone
(202) 362-4545
Location Fax
(202) 244-8028
Mailing Address
4301 CONNECTICUT AVE NW STE 125 WASHINGTON, DC 20008
Mailing Phone
(202) 362-4545
Mailing Fax
(202) 244-8028
Is Sole Proprietor?
No
Enumeration Date
05-05-2006
Last Update Date
04-18-2019
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Ophthalmologists like Leonard Friedman 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.

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

Ophthalmology

Taxonomy Code
207W00000X
Type
Allopathic & Osteopathic Physicians
License No.
MD4794
License State
DC
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:

  • BlueSelect Bronze Basic - PPO
  • BlueSelect Bronze Core - PPO
  • BlueSelect Expanded Bronze Standard without Kid's Dental - PPO
  • BlueSelect Gold Core - PPO
  • BlueSelect Gold HealthPlus - PPO
  • BlueSelect Gold Standard without Kid's Dental - PPO
  • BlueSelect Silver Classic - PPO
  • BlueSelect Silver Classic without Kid's Dental - PPO
  • BlueSelect Silver HealthPlus - PPO
  • BlueSelect Silver HealthPlus without Kid's Dental - PPO
  • BlueSelect Silver Standard without Kid's Dental - PPO

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

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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 1790733145, 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 65. The final step is to find the difference between that total and the next multiple of ten (70 - 65 = 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
7
Unchanged
Pos 3
9
Doubled → 18 → 1 + 8
Pos 4
0
Unchanged
Pos 5
7
Doubled → 14 → 1 + 4
Pos 6
3
Unchanged
Pos 7
3
Doubled → 6
Pos 8
1
Unchanged
Pos 9
4
Doubled → 8
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 9 → 18 → 9 7 → 14 → 5 3 → 6 4 → 8

Step 2: Add all digits plus the NPI constant

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

2 + 7 + 1 + 8 + 0 + 1 + 4 + 3 + 6 + 1 + 8 + 24 = 65

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

The next multiple of ten after 65 is 70. The difference is the calculated check digit.

70 - 65 = 5
This NPI is valid
The calculated check digit is 5, which matches the last digit of 1790733145.

Other Providers at the Same Location


The following 2 providers are registered at the same or a nearby location.

Dentist (General Practice)
4301 CONNECTICUT AVE NW, SUITE 139
WASHINGTON, DC 20008
Dentist (General Practice)
4301 CONNECTICUT AVE NW, SUITE 139
WASHINGTON, DC 20008

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1790733145, enumerated as an "individual" on May 05, 2006.

The provider is located at 4301 CONNECTICUT AVE NW STE 125 WASHINGTON, DC 20008 and the phone number is (202) 362-4545.

Ophthalmology with taxonomy code 207W00000X.

The provider might be accepting Accepts: Blue Cross Blue Shield of Wyoming. Please consult your insurance carrier or call the provider to verify.