MS. HARRIET MANDELL LCSW-C
NPI 1083958730
Clinic/Center - Primary Care in Baltimore, MD
NPI Status: Active since November 19, 2012
Contact Information
29 S PACA ST
BALTIMORE, MD
ZIP 21201
Phone: (410) 328-5719
Fax: (410) 328-2555
- Individual
- Female
- Clinic/Center
- Primary Care
About HARRIET MANDELL
This page provides the complete NPI Profile along with additional information for Harriet Mandell, a primary care provider established in Baltimore, Maryland with a medical specialization in Clinic/center, focusing in primary care . The healthcare provider is registered in the NPI registry with number 1083958730 assigned on November 2012. The practitioner's primary taxonomy code is 261QP2300X with license number 04627 (MD). The provider is registered as an individual and her NPI record was last updated April 2026.
- NPI
- 1083958730
- Provider Name
- MS. HARRIET MANDELL LCSW-C
- Gender
- Female
- Entity Type
- Individual
- Location Address
- 29 S PACA ST BALTIMORE, MD 21201
- Location Phone
- (410) 328-5719
- Location Fax
- (410) 328-2555
- Mailing Address
- 29 S PACA ST BALTIMORE, MD 21201
- Mailing Phone
- (410) 328-5719
- Mailing Fax
- (410) 328-2555
- Is Sole Proprietor?
- Yes
- Enumeration Date
- 11-19-2012
- Last Update Date
- 04-26-2026
- Code Navigator
A primary care provider (PCP) like Harriet Mandell sees people with common medical problems. The primary care provider might be a doctor, physician assistant, nurse practitioner or clinic that are usually involved in your long-term care. A PCP might provide preventive care, treat common medical conditions, identify urgent medical problems and refer you to specialists when necessary. Primary care is usually provided in an outpatient facility but if you are admitted to a hospital your PCP may assist in your care. The most common medical conditions seen by primary care providers are: hypertension, upper respiratory tract infections, depression or anxiety, back pain, arthritis, dermatitis, diabetes, urinary tract infections, 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
Clinic/Center Primary Care
- Taxonomy Code
- 261QP2300X
- Type
- Ambulatory Health Care Facilities
- License No.
- 04627
- License State
- 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 1083958730, we treat the final digit (0) 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 70. The final step is to find the difference between that total and the next multiple of ten (70 - 70 = 0).
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 70 is 70. 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.
BALTIMORE, MD 21201
BALTIMORE, MD 21201
BALTIMORE, MD 21201
BALTIMORE, MD 21201
BALTIMORE, MD 21201
BALTIMORE, MD 21201
BALTIMORE, MD 21201
Frequently Asked Questions
The NPI number assigned to this healthcare provider is 1083958730, enumerated as an "individual" on November 19, 2012.
The provider is located at 29 S PACA ST BALTIMORE, MD 21201 and the phone number is (410) 328-5719.
Clinic/Center with taxonomy code 261QP2300X and a focus in Primary Care.
