VOLUNTEER DOCS INC
NPI 1861339525
Family Medicine - Adult Medicine in Jacksonville, FL

NPI Status: Active since April 30, 2026

Contact Information

1909 PERRY ST
JACKSONVILLE, FL
ZIP 32206
Phone: (904) 373-8161

Get Directions Write a Review

  • Organization
  • Family Medicine
  • Adult Medicine

About VOLUNTEER DOCS INC

This page provides the complete NPI Profile along with additional information for Volunteer Docs Inc, a primary care provider established in Jacksonville, Florida operating as a Family Medicine, focusing in adult medicine . The healthcare provider is registered in the NPI registry with number 1861339525 assigned on April 2026. The practitioner's primary taxonomy code is 207QA0505X. The provider is registered as an organization and their NPI record was last updated May 2026. The organization operates as a Single Specialty Group with one or more individual practitioners, all of who practice with the same area of specialization. The authorized official of this NPI record is Dr. Harpreet Singh Md (Ceo)

NPI
1861339525
Provider Name
VOLUNTEER DOCS INC
Entity Type
Organization
Location Address
1909 PERRY ST JACKSONVILLE, FL 32206
Location Phone
(904) 373-8161
Mailing Address
1909 PERRY ST JACKSONVILLE, FL 32206
Mailing Phone
(904) 373-8161
Is Sole Proprietor?
No
Is Organization Subpart?
No
Enumeration Date
04-30-2026
Last Update Date
05-28-2026
Code Navigator

A primary care provider (PCP) like Volunteer Docs Inc 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

Secondary Locations

  • 1409 Kingsley Ave
    Orange Park, FL 32073
    (904) 373-8161
  • 2601 University Blvd W
    Jacksonville, FL 32217
    (904) 373-8161

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

Family Medicine Adult Medicine

Taxonomy Code
207QA0505X
Type
Allopathic & Osteopathic Physicians
Taxonomy Description
The National Uniform Claim Committee (NUCC) recommends code 207QA0505X not be used. Choose a more appropriate code.

Group Taxonomy 193400000X SINGLE SPECIALTY GROUP

This provdier is a business group of one or more individual practitioners, all of who practice with the same area of specialization.

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. HARPREET SINGH MD

Authorized Official Title
CEO
Authorized Official Phone
(904) 373-8161

Reviews for VOLUNTEER DOCS INC

There are currently no reviews for this provider. Be the first person to share your experience with this provider by filling out our review form. Your insights are appreciated and will help others make informed decisions.

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 1861339525, we treat the final digit (5) 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 65. The final step is to find the difference between that total and the next multiple of ten (70 - 65 = 5).

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

Step 2: Add all digits plus the NPI constant

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

2 + 8 + 1 + 2 + 1 + 6 + 3 + 1 + 8 + 5 + 4 + 24 = 65

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

The next multiple of ten after 65 is 70. The difference is the calculated check digit.

70 - 65 = 5
This NPI is valid
The calculated check digit is 5, which matches the last digit of 1861339525.

Other Providers at the Same Location


The following 3 providers are registered at the same or a nearby location.

Pharmacist
1909 PERRY ST
JACKSONVILLE, FL 32206
Pharmacy
1909 PERRY ST
JACKSONVILLE, FL 32206
Assisted Living Facility
1909 PERRY ST
JACKSONVILLE, FL 32206

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1861339525, enumerated as an "organization" on April 30, 2026.

The provider is located at 1909 PERRY ST JACKSONVILLE, FL 32206 and the phone number is (904) 373-8161.

Family Medicine with taxonomy code 207QA0505X and a focus in Adult Medicine.