NICHOLAS NEMPHOS LCSW-C
NPI 1437086121
Social Worker - Clinical in Baltimore, MD

NPI Status: Active since May 06, 2026

Contact Information

10 N GREENE ST
BALTIMORE, MD
ZIP 21201
Phone: (410) 605-7000

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  • Individual
  • Male
  • Social Worker
  • Clinical

About NICHOLAS NEMPHOS

This page provides the complete NPI Profile along with additional information for Nicholas Nemphos, a provider established in Baltimore, Maryland with a medical specialization in Social Worker, focusing in clinical . The healthcare provider is registered in the NPI registry with number 1437086121 assigned on May 2026. The practitioner's primary taxonomy code is 1041C0700X with license number 30638 (MD). The provider is registered as an individual and his NPI record was last updated May 2026. Nicholas Nemphos operates as a Multi-Specialty Group with one or more individual practitioners, who practice different areas of specialization.

NPI
1437086121
Provider Name
NICHOLAS NEMPHOS LCSW-C
Gender
Male
Entity Type
Individual
Location Address
10 N GREENE ST BALTIMORE, MD 21201
Location Phone
(410) 605-7000
Mailing Address
10 N GREENE ST BALTIMORE, MD 21201
Mailing Phone
(410) 605-7000
Is Sole Proprietor?
Yes
Enumeration Date
05-06-2026
Last Update Date
05-06-2026
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A clinical social worker like Nicholas Nemphos is licensed to diagnose and treat mental, behavioral, and emotional disorders. A clinical social worker helps patients develop strategies to change behavior or cope with difficult situations and refer patients to other resources or services, such as support groups or other mental health professionals.

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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

Social Worker Clinical

Taxonomy Code
1041C0700X
Type
Behavioral Health & Social Service Providers
License No.
30638
License State
MD
Taxonomy Description
A social worker who holds a master's or doctoral degree in social work from an accredited school of social work in addition to at least two years of post-master's supervised experience in a clinical setting. The social worker must be licensed, certified, or registered at the clinical level in the jurisdiction of practice. A clinical social worker provides direct services, including interventions focused on interpersonal interactions, intrapsychic dynamics, and life management issues. Clinical social work services are based on bio-psychosocial perspectives. Services consist of assessment, diagnosis, treatment (including psychotherapy and counseling), client-centered advocacy, consultation, evaluation, and prevention of mental illness, emotional, or behavioral disturbances.

Group Taxonomy 193200000X MULTI-SPECIALTY GROUP

This provider is a business group of one or more individual practitioners, who practice with different areas of specialization.

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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 1437086121, 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 59. The final step is to find the difference between that total and the next multiple of ten (60 - 59 = 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
4
Unchanged
Pos 3
3
Doubled → 6
Pos 4
7
Unchanged
Pos 5
0
Doubled → 0
Pos 6
8
Unchanged
Pos 7
6
Doubled → 12 → 1 + 2
Pos 8
1
Unchanged
Pos 9
2
Doubled → 4
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 3 → 6 0 → 0 6 → 12 → 3 2 → 4

Step 2: Add all digits plus the NPI constant

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

2 + 4 + 6 + 7 + 0 + 8 + 1 + 2 + 1 + 4 + 24 = 59

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

The next multiple of ten after 59 is 60. The difference is the calculated check digit.

60 - 59 = 1
This NPI is valid
The calculated check digit is 1, which matches the last digit of 1437086121.

Other Providers at the Same Location


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

Nurse Anesthetist, Certified Registered
10 N GREENE ST
BALTIMORE, MD 21201
Nurse Anesthetist, Certified Registered
10 N GREENE ST, BT-115
BALTIMORE, MD 21201
Nurse Practitioner (Family)
10 N GREENE ST
BALTIMORE, MD 21201
Surgery
10 N GREENE ST
BALTIMORE, MD 21201
Family Medicine
10 N GREENE ST
BALTIMORE, MD 21201
Social Worker (Clinical)
10 N GREENE ST
BALTIMORE, MD 21201
Internal Medicine (Geriatric Medicine)
10 N GREENE ST, BALTIMORE VA MEDICAL CENTER
BALTIMORE, MD 21201
Internal Medicine (Geriatric Medicine)
10 N GREENE ST, GRECC (BT/18/GR)
BALTIMORE, MD 21201
Psychologist (Clinical)
10 N GREENE ST, BALTIMORE VAMC BT-116-MH
BALTIMORE, MD 21201
Urology
10 N GREENE ST
BALTIMORE, MD 21201
Optometrist
10 N GREENE ST, RM 2D-168
BALTIMORE, MD 21201
Radiology (Diagnostic Radiology)
10 N GREENE ST
BALTIMORE, MD 21201
Specialist
10 N GREENE ST, BALTIMORE VA DEPARTMENT OF PATHOLOGY 4D-140
BALTIMORE, MD 21201
Internal Medicine
10 N GREENE ST
BALTIMORE, MD 21201
Psychiatry & Neurology (Psychiatry)
10 N GREENE ST, 116A
BALTIMORE, MD 21201
Clinical Neuropsychologist
10 N GREENE ST, BT 116 MH
BALTIMORE, MD 21201
Nurse Practitioner (Adult Health)
10 N GREENE ST
BALTIMORE, MD 21201
Dentist (General Practice)
10 N GREENE ST, VA DENTAL CLINIC
BALTIMORE, MD 21201
Physician Assistant
10 N GREENE ST
BALTIMORE, MD 21201
Psychologist (Clinical)
10 N GREENE ST
BALTIMORE, MD 21201

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1437086121, enumerated as an "individual" on May 06, 2026.

The provider is located at 10 N GREENE ST BALTIMORE, MD 21201 and the phone number is (410) 605-7000.

Social Worker with taxonomy code 1041C0700X and a focus in Clinical.