MARCELLA PATRICIA ALVAREZ-CLAVIJO
NPI 1497684807
Social Worker in Iowa City, IA

NPI Status: Active since May 14, 2026

Contact Information

601 HIGHWAY 6 W
IOWA CITY, IA
ZIP 52246
Phone: (319) 338-0581
Fax: (319) 339-7110

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  • Individual
  • Female
  • Social Worker

About MARCELLA ALVAREZ-CLAVIJO

This page provides the complete NPI Profile along with additional information for Marcella Alvarez-clavijo, a provider established in Iowa City, Iowa with a medical specialization in Social Worker. The healthcare provider is registered in the NPI registry with number 1497684807 assigned on May 2026. The practitioner's primary taxonomy code is 104100000X. The provider is registered as an individual and her NPI record was last updated May 2026.

NPI
1497684807
Provider Name
MARCELLA PATRICIA ALVAREZ-CLAVIJO
Gender
Female
Entity Type
Individual
Location Address
601 HIGHWAY 6 W IOWA CITY, IA 52246
Location Phone
(319) 338-0581
Location Fax
(319) 339-7110
Mailing Address
601 HIGHWAY 6 W IOWA CITY, IA 52246
Mailing Phone
(319) 338-0581
Mailing Fax
(319) 339-7110
Is Sole Proprietor?
Yes
Enumeration Date
05-14-2026
Last Update Date
05-14-2026
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A social worker like Marcella Alvarez-clavijo helps patients solve and cope with problems in their everyday lives, diagnoses and treats mental, behavioral, and emotional problems. Social workers help in wide range of situations, such as adopting a child, illness, divorce, or unemployment.

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

Social Worker

Taxonomy Code
104100000X
Type
Behavioral Health & Social Service Providers
Taxonomy Description
A social worker is a person who is qualified by a Social Work degree, and licensed, certified or registered by the state as a social worker to practice within the scope of that license. A social worker provides assistance and counseling to clients and their families who are dealing with social, emotional and environmental problems. Social work services may be rendered to individuals, families, groups, and the public.

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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 1497684807, we treat the final digit (7) 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 73. The final step is to find the difference between that total and the next multiple of ten (80 - 73 = 7).

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
9
Doubled → 18 → 1 + 8
Pos 4
7
Unchanged
Pos 5
6
Doubled → 12 → 1 + 2
Pos 6
8
Unchanged
Pos 7
4
Doubled → 8
Pos 8
8
Unchanged
Pos 9
0
Doubled → 0
Check
7
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 6 → 12 → 3 4 → 8 0 → 0

Step 2: Add all digits plus the NPI constant

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

2 + 4 + 1 + 8 + 7 + 1 + 2 + 8 + 8 + 8 + 0 + 24 = 73

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

The next multiple of ten after 73 is 80. The difference is the calculated check digit.

80 - 73 = 7
This NPI is valid
The calculated check digit is 7, which matches the last digit of 1497684807.

Other Providers at the Same Location


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

Pharmacist (Pharmacotherapy)
601 HIGHWAY 6 W, PHARMACY SERVICE (119), VAMC
IOWA CITY, IA 52246
Pharmacist (Pharmacotherapy)
601 HIGHWAY 6 W, PHARMACY (119)
IOWA CITY, IA 52246
Dentist (Prosthodontics)
601 HIGHWAY 6 W, DENTAL SERVICE (160), VAMC
IOWA CITY, IA 52246
Dentist (Prosthodontics)
601 HIGHWAY 6 W, DEPT VET AFFAIRS MED CENTER
IOWA CITY, IA 52246
Social Worker (Clinical)
601 HIGHWAY 6 W
IOWA CITY, IA 52246
Physician Assistant
601 HIGHWAY 6 W
IOWA CITY, IA 52246
Pharmacist (Pharmacotherapy)
601 HIGHWAY 6 W
IOWA CITY, IA 52246
Physician Assistant
601 HIGHWAY 6 W
IOWA CITY, IA 52246
Pharmacist (Pharmacotherapy)
601 HIGHWAY 6 W, VA MEDICAL CENTER - PRIMARY CARE 111H
IOWA CITY, IA 52246
Pharmacist
601 HIGHWAY 6 W
IOWA CITY, IA 52246
Nurse Practitioner (Psychiatric/Mental Health)
601 HIGHWAY 6 W
IOWA CITY, IA 52246
Dietitian, Registered
601 HIGHWAY 6 W, VA MEDICAL CENTER, IOWA CITY
IOWA CITY, IA 52246
Marriage & Family Therapist
601 HIGHWAY 6 W, VAMC
IOWA CITY, IA 52246
Pharmacist (Psychiatric)
601 HIGHWAY 6 W, IOWA CITY VA MEDICAL CENTER
IOWA CITY, IA 52246
Audiologist
601 HIGHWAY 6 W
IOWA CITY, IA 52246
Pharmacist (Pharmacotherapy)
601 HIGHWAY 6 W, VA MEDICAL CENTER
IOWA CITY, IA 52246
Dietitian, Registered
601 HIGHWAY 6 W, VAMC
IOWA CITY, IA 52246
Audiologist
601 HIGHWAY 6 W, AUDIOLOGY 126
IOWA CITY, IA 52246
Clinical Nurse Specialist
601 HIGHWAY 6 W
IOWA CITY, IA 52246
Religious Nonmedical Nursing Personnel
601 HIGHWAY 6 W
IOWA CITY, IA 52246

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1497684807, enumerated as an "individual" on May 14, 2026.

The provider is located at 601 HIGHWAY 6 W IOWA CITY, IA 52246 and the phone number is (319) 338-0581.

Social Worker with taxonomy code 104100000X.