DR. MARJORIE E. OKUM PH.D.
NPI 1851483788
Psychologist - Forensic in Lutherville, MD
NPI Status: Active since September 28, 2006
Contact Information
1205 YORK RD
#39
LUTHERVILLE, MD
ZIP 21093
Phone: (410) 323-6099
Fax: (410) 323-6093
- Individual
- Female
- Psychologist
- Forensic
About MARJORIE OKUM
This page provides the complete NPI Profile along with additional information for Marjorie Okum, a provider established in Lutherville, Maryland with a medical specialization in Psychologist, focusing in forensic . The healthcare provider is registered in the NPI registry with number 1851483788 assigned on September 2006. The practitioner's primary taxonomy code is 103TF0200X with license number 0913 (MD). The provider is registered as an individual and her NPI record was last updated one year ago.
- NPI
- 1851483788
- Provider Name
- DR. MARJORIE E. OKUM PH.D.
- Gender
- Female
- Entity Type
- Individual
- Location Address
- 1205 YORK RD #39 LUTHERVILLE, MD 21093
- Location Phone
- (410) 323-6099
- Location Fax
- (410) 323-6093
- Mailing Address
- 111 HAMLET HILL RD #310 BALTIMORE, MD 21210
- Mailing Phone
- (410) 323-7999
- Mailing Fax
- (410) 323-6093
- Is Sole Proprietor?
- Yes
- Enumeration Date
- 09-28-2006
- Last Update Date
- 09-11-2025
- Code Navigator
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
Psychologist Forensic
- Taxonomy Code
- 103TF0200X
- Type
- Behavioral Health & Social Service Providers
- License No.
- 0913
- License State
- MD
- Taxonomy Description
- A psychologist whose specialty is characterized by activities primarily intended to provide professional psychological expertise within the judicial and legal systems.
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) |
|---|---|---|---|---|
| 1 | 103T00000X | Behavioral Health & Social Service Providers | Psychologist | 0913 (MD) |
| 2 | 103TC0700X | Behavioral Health & Social Service Providers | Psychologist | 0913 (MD) |
| 3 | 103TC2200X | Behavioral Health & Social Service Providers | Psychologist | 0913 (MD) |
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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 1851483788, we treat the final digit (8) 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 72. The final step is to find the difference between that total and the next multiple of ten (80 - 72 = 8).
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.
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.
Step 2: Add all digits plus the NPI constant
Add the transformed values, the unchanged digits, and the constant 24.
Step 3: Find the amount needed to reach the next multiple of 10
The next multiple of ten after 72 is 80. The difference is the calculated check digit.
Other Providers at the Same Location
The following 20 providers are registered at the same or a nearby location.
LUTHERVILLE, MD 21093
LUTHERVILLE, MD 21093
LUTHERVILLE, MD 21093
LUTHERVILLE, MD 21093
LUTHERVILLE, MD 21093
Frequently Asked Questions
The NPI number assigned to this healthcare provider is 1851483788, enumerated as an "individual" on September 28, 2006.
The provider is located at 1205 YORK RD #39 LUTHERVILLE, MD 21093 and the phone number is (410) 323-6099.
Psychologist with taxonomy code 103TF0200X and a focus in Forensic.
