MARSHALL MEDICAL CENTER
NPI 1114727377
Family Medicine in El Dorado Hills, CA

NPI Status: Active since March 17, 2025

Contact Information

4201 TOWN CENTER BLVD BLDG D
EL DORADO HILLS, CA
ZIP 95762
Phone: (916) 933-8010
Fax: (530) 748-0322

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  • Organization
  • Family Medicine

About MARSHALL MEDICAL CENTER

This page provides the complete NPI Profile along with additional information for Marshall Medical Center, a primary care provider established in El Dorado Hills, California operating as a Family Medicine. The healthcare provider is registered in the NPI registry with number 1114727377 assigned on March 2025. The practitioner's primary taxonomy code is 207Q00000X. The provider is registered as an organization and their NPI record was last updated March 2026. Marshall Medical Center operates as a Multi-Specialty Group with one or more individual practitioners, who practice different areas of specialization. The provider's . The authorized official of this NPI record is Siri Nelson (Ceo)

NPI
1114727377
Provider Legal Name
MARSHALL MEDICAL CENTER
Other Organization Name
Other Name Type
(6)
Entity Type
Organization
Location Address
4201 TOWN CENTER BLVD BLDG D EL DORADO HILLS, CA 95762
Location Phone
(916) 933-8010
Location Fax
(530) 748-0322
Mailing Address
PO BOX 45680 SAN FRANCISCO, CA 94145
Mailing Phone
(530) 626-2618
Is Sole Proprietor?
No
Is Organization Subpart?
No
Enumeration Date
03-17-2025
Last Update Date
03-18-2026
Code Navigator

A primary care provider (PCP) like Marshall Medical Center 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

  • 1111 Sierra At Tahoe Rd
    Twin Bridges, CA 95735
    (530) 622-1441
  • 4300 Golden Center Dr Ste A
    Placerville, CA 95667
    (530) 344-2020

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

Taxonomy Code
207Q00000X
Type
Allopathic & Osteopathic Physicians
Taxonomy Description
Family Medicine is the medical specialty which is concerned with the total health care of the individual and the family. It is the specialty in breadth which integrates the biological, clinical, and behavioral sciences. The scope of family medicine is not limited by age, sex, organ system, or disease entity.

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)
1152W00000XEye and Vision Services Providers

Optometrist

 
2207R00000XAllopathic & Osteopathic Physicians

Internal Medicine

 
3207RC0000XAllopathic & Osteopathic Physicians

Internal Medicine
Cardiovascular Disease

 
4207V00000XAllopathic & Osteopathic Physicians

Obstetrics & Gynecology

 
5207W00000XAllopathic & Osteopathic Physicians

Ophthalmology

 
6207X00000XAllopathic & Osteopathic Physicians

Orthopaedic Surgery

 
7213ES0103XPodiatric Medicine & Surgery Service Providers

Podiatrist
Foot & Ankle Surgery

 

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.

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) 622-1144

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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 1114727377, 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 53. The final step is to find the difference between that total and the next multiple of ten (60 - 53 = 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
1
Unchanged
Pos 3
1
Doubled → 2
Pos 4
4
Unchanged
Pos 5
7
Doubled → 14 → 1 + 4
Pos 6
2
Unchanged
Pos 7
7
Doubled → 14 → 1 + 4
Pos 8
3
Unchanged
Pos 9
7
Doubled → 14 → 1 + 4
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 1 → 2 7 → 14 → 5 7 → 14 → 5 7 → 14 → 5

Step 2: Add all digits plus the NPI constant

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

2 + 1 + 2 + 4 + 1 + 4 + 2 + 1 + 4 + 3 + 1 + 4 + 24 = 53

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

The next multiple of ten after 53 is 60. The difference is the calculated check digit.

60 - 53 = 7
This NPI is valid
The calculated check digit is 7, which matches the last digit of 1114727377.

Other Providers at the Same Location


The following 4 providers are registered at the same or a nearby location.

Nurse Practitioner (Family)
4201 TOWN CENTER BLVD BLDG D
EL DORADO HILLS, CA 95762
Physician Assistant
4201 TOWN CENTER BLVD BLDG D
EL DORADO HILLS, CA 95762
Clinic/Center (Rehabilitation)
4201 TOWN CENTER BLVD BLDG D
EL DORADO HILLS, CA 95762
Licensed Vocational Nurse
4201 TOWN CENTER BLVD BLDG D
EL DORADO HILLS, CA 95762

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1114727377, enumerated as an "organization" on March 17, 2025.

The provider is located at 4201 TOWN CENTER BLVD BLDG D EL DORADO HILLS, CA 95762 and the phone number is (916) 933-8010.

Family Medicine with taxonomy code 207Q00000X.