DR. MARC HERTZMAN M.D.
NPI 1689676801
Specialist in Rockville, MD

NPI Status: Active since June 01, 2005

Contact Information

11404 OLD GEORGETOWN RD
STE 203
ROCKVILLE, MD
ZIP 20852
Phone: (301) 984-8800
Fax: (301) 984-8802

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  • Individual
  • Male
  • Specialist

About MARC HERTZMAN

This page provides the complete NPI Profile along with additional information for Marc Hertzman, a provider established in Rockville, Maryland with a medical specialization in Specialist. The healthcare provider is registered in the NPI registry with number 1689676801 assigned on June 2005. The practitioner's primary taxonomy code is 174400000X with license number D0016115 (MD). The provider is registered as an individual and his NPI record was last updated 15 years ago.

NPI
1689676801
Provider Name
DR. MARC HERTZMAN M.D.
Gender
Male
Entity Type
Individual
Location Address
11404 OLD GEORGETOWN RD STE 203 ROCKVILLE, MD 20852
Location Phone
(301) 984-8800
Location Fax
(301) 984-8802
Mailing Address
11404 OLD GEORGETOWN RD STE 203 ROCKVILLE, MD 20852
Mailing Phone
(301) 984-8800
Mailing Fax
(301) 984-8802
Is Sole Proprietor?
Yes
Enumeration Date
06-01-2005
Last Update Date
10-06-2011
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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

Specialist

Taxonomy Code
174400000X
Type
Other Service Providers
License No.
D0016115
License State
MD
Taxonomy Description
An individual educated and trained in an applied knowledge discipline used in the performance of work at a level requiring knowledge and skills beyond or apart from that provided by a general education or liberal arts degree.

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.

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
0087611MEDICAID (05)MD 
23880001OTHER (01)DCBCBS
B92724MEDICARE UPIN (02)MD 
003311MEDICARE ID-TYPE UNSPECIFIED (04)MD 
325227OTHER (01)MDMDIPA
0H18OTHER (01)MDBCBS

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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 1689676801, 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
6
Unchanged
Pos 3
8
Doubled → 16 → 1 + 6
Pos 4
9
Unchanged
Pos 5
6
Doubled → 12 → 1 + 2
Pos 6
7
Unchanged
Pos 7
6
Doubled → 12 → 1 + 2
Pos 8
8
Unchanged
Pos 9
0
Doubled → 0
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 8 → 16 → 7 6 → 12 → 3 6 → 12 → 3 0 → 0

Step 2: Add all digits plus the NPI constant

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

2 + 6 + 1 + 6 + 9 + 1 + 2 + 7 + 1 + 2 + 8 + 0 + 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 1689676801.

Other Providers at the Same Location


The following 12 providers are registered at the same or a nearby location.

Dentist
11404 OLD GEORGETOWN RD, #204
ROCKVILLE, MD 20852
Dentist
11404 OLD GEORGETOWN RD, #204
ROCKVILLE, MD 20852
Dentist (Prosthodontics)
11404 OLD GEORGETOWN RD, SUITE 201
ROCKVILLE, MD 20852
Dentist (General Practice)
11404 OLD GEORGETOWN RD, SUITE 101
ROCKVILLE, MD 20852
Plastic Surgery
11404 OLD GEORGETOWN RD, SUITE 206
NORTH BETHESDA, MD 20852
Plastic Surgery
11404 OLD GEORGETOWN RD, SUITE 206
NORTH BETHESDA, MD 20852
Dentist (Oral and Maxillofacial Surgery)
11404 OLD GEORGETOWN RD, SUITE 104
ROCKVILLE, MD 20852
Psychiatry & Neurology (Neurology)
11404 OLD GEORGETOWN RD, SUITE 203
ROCKVILLE, MD 20852
Plastic Surgery
11404 OLD GEORGETOWN RD, SUITE 206
ROCKVILLE, MD 20852
Dentist
11404 OLD GEORGETOWN RD, #204
ROCKVILLE, MD 20852
Dentist (Prosthodontics)
11404 OLD GEORGETOWN RD, 201
NORTH BETHESDA, MD 20852
Psychiatry & Neurology (Psychiatry)
11404 OLD GEORGETOWN RD
ROCKVILLE, MD 20852

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1689676801, enumerated as an "individual" on June 01, 2005.

The provider is located at 11404 OLD GEORGETOWN RD STE 203 ROCKVILLE, MD 20852 and the phone number is (301) 984-8800.

Specialist with taxonomy code 174400000X.

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