MARSHALL MEDICAL CENTER
NPI 1558645820
Surgery in Placerville, CA

NPI Status: Active since October 05, 2011

Contact Information

1095 MARSHALL WAY
SUITE 202
PLACERVILLE, CA
ZIP 95667
Phone: (530) 626-1102

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  • Organization
  • Surgery

About MARSHALL MEDICAL CENTER

This page provides the complete NPI Profile along with additional information for Marshall Medical Center, a provider established in Placerville, California operating as a Surgery. The healthcare provider is registered in the NPI registry with number 1558645820 assigned on October 2011. The practitioner's primary taxonomy code is 208600000X. The provider is registered as an organization and their NPI record was last updated March 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 provider's . The authorized official of this NPI record is Siri Nelson (Ceo)

NPI
1558645820
Provider Legal Name
MARSHALL MEDICAL CENTER
Other Organization Name
Other Name Type
(6)
Entity Type
Organization
Location Address
1095 MARSHALL WAY SUITE 202 PLACERVILLE, CA 95667
Location Phone
(530) 626-1102
Mailing Address
PO BOX 45680 SAN FRANCISCO, CA 94145
Mailing Phone
(530) 626-1102
Is Sole Proprietor?
No
Is Organization Subpart?
No
Enumeration Date
10-05-2011
Last Update Date
03-09-2026
Code Navigator

A surgeon like Marshall Medical Center treats injuries, diseases, and deformities through surgical operations. A surgeon could correct physical deformities, repair bone and tissue, or perform preventive or elective surgeries. Surgeons also examine patients, perform and interpret diagnostic tests, and provide counsel on preventive healthcare.

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

Surgery

Taxonomy Code
208600000X
Type
Allopathic & Osteopathic Physicians
Taxonomy Description
A general surgeon has expertise related to the diagnosis - preoperative, operative and postoperative management - and management of complications of surgical conditions in the following areas: alimentary tract; abdomen; breast, skin and soft tissue; endocrine system; head and neck surgery; pediatric surgery; surgical critical care; surgical oncology; trauma and burns; and vascular surgery. General surgeons increasingly provide care through the use of minimally invasive and endoscopic techniques. Many general surgeons also possess expertise in transplantation surgery, plastic surgery and cardiothoracic surgery.

Group Taxonomy 193400000X MULTIPLE 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

SIRI NELSON

Authorized Official Title
CEO
Authorized Official Phone
(530) 622-1441

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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 1558645820, we treat the final digit (0) 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 60. The final step is to find the difference between that total and the next multiple of ten (60 - 60 = 0).

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
5
Unchanged
Pos 3
5
Doubled → 10 → 1 + 0
Pos 4
8
Unchanged
Pos 5
6
Doubled → 12 → 1 + 2
Pos 6
4
Unchanged
Pos 7
5
Doubled → 10 → 1 + 0
Pos 8
8
Unchanged
Pos 9
2
Doubled → 4
Check
0
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 5 → 10 → 1 6 → 12 → 3 5 → 10 → 1 2 → 4

Step 2: Add all digits plus the NPI constant

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

2 + 5 + 1 + 0 + 8 + 1 + 2 + 4 + 1 + 0 + 8 + 4 + 24 = 60

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

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

60 - 60 = 0
This NPI is valid
The calculated check digit is 0, which matches the last digit of 1558645820.

Other Providers at the Same Location


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

Family Medicine
1095 MARSHALL WAY
PLACERVILLE, CA 95667
Nurse Practitioner
1095 MARSHALL WAY
PLACERVILLE, CA 95667
Nurse Practitioner
1095 MARSHALL WAY
PLACERVILLE, CA 95667
Nurse Practitioner
1095 MARSHALL WAY
PLACERVILLE, CA 95667
Nurse Practitioner
1095 MARSHALL WAY, 2ND FLOOR
PLACERVILLE, CA 95667
Family Medicine
1095 MARSHALL WAY
PLACERVILLE, CA 95667
Internal Medicine
1095 MARSHALL WAY
PLACERVILLE, CA 95667
Nurse Practitioner (Family)
1095 MARSHALL WAY
PLACERVILLE, CA 95667
Family Medicine
1095 MARSHALL WAY
PLACERVILLE, CA 95667
Surgery
1095 MARSHALL WAY, SUITE 202
PLACERVILLE, CA 95667
Surgery
1095 MARSHALL WAY, SUITE 202
PLACERVILLE, CA 95667
Family Medicine
1095 MARSHALL WAY, SUITE 100
PLACERVILLE, CA 95667
Obstetrics & Gynecology
1095 MARSHALL WAY, SUITE 201
PLACERVILLE, CA 95667
Hospitalist
1095 MARSHALL WAY
PLACERVILLE, CA 95667
Hospitalist
1095 MARSHALL WAY
PLACERVILLE, CA 95667
Hospitalist
1095 MARSHALL WAY
PLACERVILLE, CA 95667
Obstetrics & Gynecology
1095 MARSHALL WAY, SUITE 201
PLACERVILLE, CA 95667
Nurse Practitioner
1095 MARSHALL WAY, SUITE 100
PLACERVILLE, CA 95667
Internal Medicine
1095 MARSHALL WAY
PLACERVILLE, CA 95667
Obstetrics & Gynecology (Gynecology)
1095 MARSHALL WAY, SUITE 201
PLACERVILLE, CA 95667

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1558645820, enumerated as an "organization" on October 05, 2011.

The provider is located at 1095 MARSHALL WAY SUITE 202 PLACERVILLE, CA 95667 and the phone number is (530) 626-1102.

Surgery with taxonomy code 208600000X.