GUNNELL, M.D., INC
NPI 1255376398
Internal Medicine - Nephrology in Napa, CA

NPI Status: Active since June 20, 2006

Contact Information

3230 BEARD RD
NAPA, CA
ZIP 94558
Phone: (707) 253-7005
Fax: (707) 253-7271

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  • Organization
  • Internal Medicine
  • Nephrology

About GUNNELL, M.D., INC

This page provides the complete NPI Profile along with additional information for Gunnell, M.d., Inc, an internist established in Napa, California operating as a Internal Medicine, focusing in nephrology . The healthcare provider is registered in the NPI registry with number 1255376398 assigned on June 2006. The practitioner's primary taxonomy code is 207RN0300X with license number G78785 (CA). The provider is registered as an organization and their NPI record was last updated 6 years ago. 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. Jennifer Gunnell M.d. (Practice Owner/head Physician)

NPI
1255376398
Provider Name
GUNNELL, M.D., INC
Entity Type
Organization
Location Address
3230 BEARD RD NAPA, CA 94558
Location Phone
(707) 253-7005
Location Fax
(707) 253-7271
Mailing Address
3230 BEARD RD NAPA, CA 94558
Mailing Phone
(707) 253-7005
Mailing Fax
(707) 253-7271
Is Sole Proprietor?
No
Is Organization Subpart?
No
Enumeration Date
06-20-2006
Last Update Date
08-22-2020
Code Navigator

An internist like Gunnell, M.d., Inc is a physician who has completed an internal medicine residency and is board-certified or board-eligible in an internist specialty. Internists are trained to care for adults of all ages for many different medical conditions. An internist typically monitors chronic physical conditions, identifies acute diseases, provides family planning, provides counseling about wellness and disease prevention, 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

Internal Medicine Nephrology

Taxonomy Code
207RN0300X
Type
Allopathic & Osteopathic Physicians
License No.
G78785
License State
CA
Taxonomy Description
An internist who treats disorders of the kidney, high blood pressure, fluid and mineral balance and dialysis of body wastes when the kidneys do not function. This specialist consults with surgeons about kidney transplantation.

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)
1207RN0300XAllopathic & Osteopathic Physicians

Internal Medicine
Nephrology

A62275 (CA)

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

DR. JENNIFER GUNNELL M.D.

Authorized Official Title
PRACTICE OWNER/HEAD PHYSICIAN
Authorized Official Phone
(707) 253-7005

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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 1255376398, we treat the final digit (8) 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 62. The final step is to find the difference between that total and the next multiple of ten (70 - 62 = 8).

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
2
Unchanged
Pos 3
5
Doubled → 10 → 1 + 0
Pos 4
5
Unchanged
Pos 5
3
Doubled → 6
Pos 6
7
Unchanged
Pos 7
6
Doubled → 12 → 1 + 2
Pos 8
3
Unchanged
Pos 9
9
Doubled → 18 → 1 + 8
Check
8
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 3 → 6 6 → 12 → 3 9 → 18 → 9

Step 2: Add all digits plus the NPI constant

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

2 + 2 + 1 + 0 + 5 + 6 + 7 + 1 + 2 + 3 + 1 + 8 + 24 = 62

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

The next multiple of ten after 62 is 70. The difference is the calculated check digit.

70 - 62 = 8
This NPI is valid
The calculated check digit is 8, which matches the last digit of 1255376398.

Other Providers at the Same Location


The following 14 providers are registered at the same or a nearby location.

Social Worker (Clinical)
3230 BEARD RD
NAPA, CA 94558
Dietitian, Registered
3230 BEARD RD
NAPA, CA 94558
Psychiatry & Neurology (Neurology)
3230 BEARD RD, SUITE 1
NAPA, CA 94558
Otolaryngology
3230 BEARD RD, SUITE 2
NAPA, CA 94558
Otolaryngology
3230 BEARD RD, SUITE 2
NAPA, CA 94558
Family Medicine
3230 BEARD RD, SUITE B
NAPA, CA 94558
Internal Medicine (Nephrology)
3230 BEARD RD, SUITE 1
NAPA, CA 94558
Internal Medicine (Nephrology)
3230 BEARD RD, SUITE 1
NAPA, CA 94558
Family Medicine
3230 BEARD RD, SUITE B
NAPA, CA 94558
Otolaryngology (Plastic Surgery within the Head & Neck)
3230 BEARD RD, SUITE 2
NAPA, CA 94558
Internal Medicine (Nephrology)
3230 BEARD RD
NAPA, CA 94558
Otolaryngology
3230 BEARD RD, STE 2
NAPA, CA 94558
Hospitalist
3230 BEARD RD, STE 1
NAPA, CA 94558
Nurse Practitioner (Adult Health)
3230 BEARD RD, SUITE 1
NAPA, CA 94558

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1255376398, enumerated as an "organization" on June 20, 2006.

The provider is located at 3230 BEARD RD NAPA, CA 94558 and the phone number is (707) 253-7005.

Internal Medicine with taxonomy code 207RN0300X and a focus in Nephrology.