HILL CLINIC, LLC
NPI 1689220352
General Practice in Toledo, OH

NPI Status: Active since August 17, 2019

Contact Information

4425 HILL AVE
TOLEDO, OH
ZIP 43615
Phone: (567) 318-5440
Fax: (567) 318-5472

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  • Organization
  • General Practice
  • Accepts Insurance
  • CLIA Number: 36D2175744
  • CLIA Cert. Type: Physician Office
  • CLIA Exp. Date: 11-28-2027

About HILL CLINIC, LLC

This page provides the complete NPI Profile along with additional information for Hill Clinic, Llc, a primary care provider established in Toledo, Ohio operating as a General Practice. The healthcare provider is registered in the NPI registry with number 1689220352 assigned on August 2019. The practitioner's primary taxonomy code is 208D00000X. The provider is registered as an organization and their NPI record was last updated February 2026. Hill Clinic, Llc operates as a Multi-Specialty Group with one or more individual practitioners, who practice different areas of specialization. The authorized official of this NPI record is Dr. Christian Maduoma Md (Ceo)

NPI
1689220352
Provider Name
HILL CLINIC, LLC
Entity Type
Organization
Location Address
4425 HILL AVE TOLEDO, OH 43615
Location Phone
(567) 318-5440
Location Fax
(567) 318-5472
Mailing Address
4425 HILL AVE TOLEDO, OH 43615
Mailing Phone
(567) 318-5440
Mailing Fax
(567) 318-5472
Is Sole Proprietor?
No
Is Organization Subpart?
No
Enumeration Date
08-17-2019
Last Update Date
02-09-2026
Code Navigator

A primary care provider (PCP) like Hill Clinic, Llc 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

General Practice

Taxonomy Code
208D00000X
Type
Allopathic & Osteopathic Physicians
Taxonomy Description
A physician who specializes in the general practice of diagnosing, treating, and managing patients with a variety of illnesses and conditions. Source: National Uniform Claim Committee

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)
1207QA0401XAllopathic & Osteopathic Physicians

Family Medicine
Addiction Medicine

 
2261QP2300XAmbulatory Health Care Facilities

Clinic/Center
Primary Care

 

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.

Insurance Plans Accepted

According to publicly available information the provider might be accepting the following health plans from these health insurance companies:

  • Choice Bronze HSA - HMO
  • Choice Bronze HSA + Vision + Adult Dental - HMO
  • Clear Gold - HMO
  • Clear Gold + Vision + Adult Dental - HMO
  • Complete Gold - HMO
  • Complete Gold + Vision + Adult Dental - HMO
  • Complete Silver - HMO
  • Complete Silver + Vision + Adult Dental - HMO
  • Everyday Bronze - HMO
  • Everyday Bronze + Vision + Adult Dental - HMO
  • Standard Expanded Bronze - HMO
  • Standard Expanded Bronze + Vision + Adult Dental - HMO
  • Standard Gold - HMO
  • Standard Gold + Vision + Adult Dental - HMO
  • Standard Silver - HMO
  • Standard Silver + Vision + Adult Dental - HMO
  • Clear Silver - HMO
  • Elite Gold - HMO
  • Elite Gold + Vision + Adult Dental - HMO
  • Everyday Gold - HMO
  • Everyday Gold + Vision + Adult Dental - HMO
  • Standard Gold - HMO
  • Standard Gold + Vision + Adult Dental - HMO
  • Standard Silver - HMO
  • Standard Silver + Vision + Adult Dental - HMO
  • Complete Gold - HMO
  • Complete Gold + Vision + Adult Dental - HMO
  • Elite Gold - HMO
  • Elite Gold + Vision + Adult Dental - HMO
  • Focused Silver - HMO
  • Focused Silver + Vision + Adult Dental - HMO
  • Standard Gold - HMO
  • Standard Gold + Vision + Adult Dental - HMO
  • Standard Silver - HMO
  • Standard Silver + Vision + Adult Dental - HMO
  • Anthem Bronze Pathway 10600 ($0 Virtual PCP + $0 Select Drugs) - HMO
  • Anthem Bronze Pathway 10600 Adult Dental/Vision ($0 Virtual PCP + $0 Select Drugs) - HMO
  • Anthem Bronze Pathway 7500 Standard ($0 Virtual PCP + $0 Select Drugs) - HMO
  • Anthem Bronze Pathway 8500 for HSA - HMO
  • Anthem Gold Pathway 2000 Standard ($0 Virtual PCP + $0 Select Drugs) - HMO
  • Anthem Heart Healthy Bronze Pathway 6000 ($0 Virtual PCP + $0 Select Drugs) - HMO
  • Anthem Heart Healthy Silver Pathway 5000 ($0 Virtual PCP + $0 Select Drugs) - HMO
  • Anthem Silver Pathway 4000 ($0 Virtual PCP + $0 Select Drugs) - HMO
  • Anthem Silver Pathway 4000 Adult Dental/Vision ($0 Virtual PCP + $0 Select Drugs) - HMO
  • Anthem Silver Pathway 5500 for HSA - HMO
  • Anthem Silver Pathway 6000 Standard ($0 Virtual PCP + $0 Select Drugs) - HMO

*Please verify directly with this provider to make sure your insurance plan is currently accepted.

Authorized Official

The authorized official is the designated individual with the legal authority to make changes to the provider’s official NPI record. For organizations, the authorized official must be a general partner, chairman of the board, CEO, CFO or a direct owner holding at least a 5 percent stake in the medical organization.

Authorized Official Name

DR. CHRISTIAN MADUOMA MD

Authorized Official Title
CEO
Authorized Official Phone
(419) 378-1422

CLIA Information

The Clinical Laboratory Improvement Amendments (CLIA) of 1988 applies to facilities or sites that test human specimens for health assessment or to diagnose, prevent, or treat disease. The CLIA Program sets standards for clinical laboratory testing and issues certificates. The NPI / CLIA crosswalk information for this NPI number is:

CLIA Number
36D2175744
Facility Type
Physician Office
Certificate Effective Date
November 29, 2025
Certificate Expiration Date
November 28, 2027
Laboratory Director
CHRISTIAN U. MADUOMA
Certificate Type
Certificate of Waiver
Certificate Type Description
This CLIA certificate is issued to Hill Clinic, Llc to perform only waived tests. CLIA defines waived tests as simple tests with a low risk for an incorrect result. Waived tests include certain tests listed in CLIA regulations, tests cleared by the FDA for home use and tests approved by the FDA for waived status and that meet CLIA waiver criteria.

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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 1689220352, we treat the final digit (2) 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 58. The final step is to find the difference between that total and the next multiple of ten (60 - 58 = 2).

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
2
Doubled → 4
Pos 6
2
Unchanged
Pos 7
0
Doubled → 0
Pos 8
3
Unchanged
Pos 9
5
Doubled → 10 → 1 + 0
Check
2
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 2 → 4 0 → 0 5 → 10 → 1

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 + 4 + 2 + 0 + 3 + 1 + 0 + 24 = 58

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

The next multiple of ten after 58 is 60. The difference is the calculated check digit.

60 - 58 = 2
This NPI is valid
The calculated check digit is 2, which matches the last digit of 1689220352.

Other Providers at the Same Location


The following 2 providers are registered at the same or a nearby location.

In Home Supportive Care
4425 HILL AVE
TOLEDO, OH 43615
General Practice
4425 HILL AVE
TOLEDO, OH 43615

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1689220352, enumerated as an "organization" on August 17, 2019.

The provider is located at 4425 HILL AVE TOLEDO, OH 43615 and the phone number is (567) 318-5440.

General Practice with taxonomy code 208D00000X.

The provider might be accepting Accepts: Ambetter from Buckeye Health Plan, Ambetter from. Please consult your insurance carrier or call the provider to verify.