Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 30 days.

GISELLE M. MELENDRES M.D.
NPI 1104805704
Radiology - Diagnostic Ultrasound in Sacramento, CA

Active since January 11, 2006
4860 Y ST, SUITE 3100 ACC, SACRAMENTO, CA 95817(916) 734-3606(916) 734-8490 Get Directions

NPPES record last updated: July 13, 2026. Verified against the NPPES registry weekly; last sync: July 19, 2026.

  • Individual
  • Female
  • Radiology
  • Diagnostic Ultrasound

About GISELLE MELENDRES

This page provides the complete NPI Profile along with additional information for Giselle Melendres, a provider established in Sacramento, California with a medical specialization in Radiology, focusing in diagnostic ultrasound . The healthcare provider is registered in the NPI registry with number 1104805704 assigned on January 2006. The practitioner's primary taxonomy code is 2085U0001X with license number A70902 (CA). The provider is registered as an individual and her NPI record was last updated July 2026.

NPI
1104805704
Provider Name
GISELLE M. MELENDRES M.D.
Gender
Female
Entity Type
Individual
Location Address
4860 Y ST SUITE 3100 ACC SACRAMENTO, CA 95817
Location Phone
(916) 734-3606
Location Fax
(916) 734-8490
Mailing Address
4860 Y ST SUITE 3100 ACC SACRAMENTO, CA 95817
Mailing Phone
(916) 734-3606
Mailing Fax
(916) 734-8490
Is Sole Proprietor?
No
Enumeration Date
01-11-2006
Last Update Date
07-13-2026
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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

Radiology Diagnostic Ultrasound

Taxonomy Code
2085U0001X
Type
Allopathic & Osteopathic Physicians
License No.
A70902
License State
CA
Taxonomy Description
A Radiology doctor of Osteopathy that specializes in Diagnostic Ultrasound.

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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 1104805704, we treat the final digit (4) 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 46. The final step is to find the difference between that total and the next multiple of ten (50 - 46 = 4).

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
1
Unchanged
Pos 3
0
Doubled → 0
Pos 4
4
Unchanged
Pos 5
8
Doubled → 16 → 1 + 6
Pos 6
0
Unchanged
Pos 7
5
Doubled → 10 → 1 + 0
Pos 8
7
Unchanged
Pos 9
0
Doubled → 0
Check
4
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 0 → 0 8 → 16 → 7 5 → 10 → 1 0 → 0

Step 2: Add all digits plus the NPI constant

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

2 + 1 + 0 + 4 + 1 + 6 + 0 + 1 + 0 + 7 + 0 + 24 = 46

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

The next multiple of ten after 46 is 50. The difference is the calculated check digit.

50 - 46 = 4
This NPI is valid
The calculated check digit is 4, which matches the last digit of 1104805704.

Other Providers at the Same Location


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

Pharmacist (Geriatric)
4860 Y ST
SACRAMENTO, CA 95817
Clinic/Center (Pain)
4860 Y ST
SACRAMENTO, CA 95817
Psychiatry & Neurology (Neurology)
4860 Y ST
SACRAMENTO, CA 95817
Obstetrics & Gynecology
4860 Y ST, STE 2500
SACRAMENTO, CA 95817
Orthopaedic Surgery (Hand Surgery)
4860 Y ST, ACC #3800
SACRAMENTO, CA 95817
Family Medicine
4860 Y ST, STE 1600
SACRAMENTO, CA 95817
Psychiatry & Neurology (Neurology)
4860 Y ST, SUITE 0100
SACRAMENTO, CA 95817
Internal Medicine (Cardiovascular Disease)
4860 Y ST, SUITE 2820
SACRAMENTO, CA 95817
Internal Medicine (Cardiovascular Disease)
4860 Y ST, SUITE 0200
SACRAMENTO, CA 95817
Internal Medicine (Cardiovascular Disease)
4860 Y ST, SUITE 2820
SACRAMENTO, CA 95817
Internal Medicine (Cardiovascular Disease)
4860 Y ST, SUITE 2820
SACRAMENTO, CA 95817
Internal Medicine (Cardiovascular Disease)
4860 Y ST, SUITE 2820
SACRAMENTO, CA 95817
Obstetrics & Gynecology (Gynecologic Oncology)
4860 Y ST, OB/GYN, SUITE 2500
SACRAMENTO, CA 95817
Obstetrics & Gynecology (Gynecologic Oncology)
4860 Y ST, OB/GYN, SUITE 2500
SACRAMENTO, CA 95817
Physician Assistant (Medical)
4860 Y ST, SUITE 1600
SACRAMENTO, CA 95817
Nurse Practitioner (Family)
4860 Y ST, SUITE 1600
SACRAMENTO, CA 95817
Internal Medicine (Cardiovascular Disease)
4860 Y ST, SUITE 2820
SACRAMENTO, CA 95817
Internal Medicine (Cardiovascular Disease)
4860 Y ST, SUITE 2820
SACRAMENTO, CA 95817
Internal Medicine (Cardiovascular Disease)
4860 Y ST, SUITE 2820
SACRAMENTO, CA 95817
Internal Medicine (Cardiovascular Disease)
4860 Y ST, SUITE 2820
SACRAMENTO, CA 95817

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1104805704, enumerated as an "individual" on January 11, 2006.

The provider is located at 4860 Y ST SUITE 3100 ACC SACRAMENTO, CA 95817 and the phone number is (916) 734-3606.

Radiology with taxonomy code 2085U0001X and a focus in Diagnostic Ultrasound.