DR. ANNE A. KNOWLTON M.D.
NPI 1245216621
Internal Medicine - Cardiovascular Disease in Sacramento, CA

NPI Status: Active since December 19, 2005

Contact Information

10535 HOSPITAL WAY
SACRAMENTO VA HOSPITAL
SACRAMENTO, CA
ZIP 95655
Phone: (916) 366-7138

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  • Individual
  • Female
  • Internal Medicine
  • Cardiovascular Disease

About ANNE KNOWLTON

This page provides the complete NPI Profile along with additional information for Anne Knowlton, an internist established in Sacramento, California with a medical specialization in Internal Medicine, focusing in cardiovascular disease . The healthcare provider is registered in the NPI registry with number 1245216621 assigned on December 2005. The practitioner's primary taxonomy code is 207RC0000X with license number 46102 (MA). The provider is registered as an individual and her NPI record was last updated 19 years ago.

NPI
1245216621
Provider Name
DR. ANNE A. KNOWLTON M.D.
Gender
Female
Entity Type
Individual
Location Address
10535 HOSPITAL WAY SACRAMENTO VA HOSPITAL SACRAMENTO, CA 95655
Location Phone
(916) 366-7138
Mailing Address
1614 OLYMPIC DR DAVIS, CA 95616
Mailing Phone
(530) 752-5461
Is Sole Proprietor?
Yes
Enumeration Date
12-19-2005
Last Update Date
07-08-2007
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An internist like Anne Knowlton 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 Cardiovascular Disease

Taxonomy Code
207RC0000X
Type
Allopathic & Osteopathic Physicians
License No.
46102
License State
MA
Taxonomy Description
An internist who specializes in diseases of the heart and blood vessels and manages complex cardiac conditions such as heart attacks and life-threatening, abnormal heartbeat rhythms.

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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 1245216621, we treat the final digit (1) 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 59. The final step is to find the difference between that total and the next multiple of ten (60 - 59 = 1).

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

Step 2: Add all digits plus the NPI constant

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

2 + 2 + 8 + 5 + 4 + 1 + 1 + 2 + 6 + 4 + 24 = 59

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

The next multiple of ten after 59 is 60. The difference is the calculated check digit.

60 - 59 = 1
This NPI is valid
The calculated check digit is 1, which matches the last digit of 1245216621.

Other Providers at the Same Location


The following 19 providers are registered at the same or a nearby location.

Internal Medicine (Infectious Disease)
10535 HOSPITAL WAY, MATHER VA HOSPITAL
MATHER, CA 95655
Internal Medicine (Infectious Disease)
10535 HOSPITAL WAY, MATHER VA HOSPITAL
MATHER, CA 95655
Specialist
10535 HOSPITAL WAY, DEPT. OF VA SACRAMENTO MEDICAL CENTER
MATHER, CA 95655
Internal Medicine (Infectious Disease)
10535 HOSPITAL WAY
MATHER, CA 95655
Internal Medicine (Geriatric Medicine)
10535 HOSPITAL WAY
MATHER, CA 95655
Otolaryngology
10535 HOSPITAL WAY
MATHER, CA 95655
Physical Medicine & Rehabilitation
10535 HOSPITAL WAY, PHYSICAL MEDICINE AND REHABILITATION (117)
MATHER, CA 95655
Internal Medicine
10535 HOSPITAL WAY
MATHER, CA 95655
Family Medicine
10535 HOSPITAL WAY
MATHER, CA 95655
Physical Medicine & Rehabilitation
10535 HOSPITAL WAY, PMR SERVICE
MATHER, CA 95655
Radiology (Diagnostic Radiology)
10535 HOSPITAL WAY
MATHER, CA 95655
Nurse Practitioner (Acute Care)
10535 HOSPITAL WAY, CARDIOLOGY DEPARTMENT/111
MATHER, CA 95655
Surgery
10535 HOSPITAL WAY
MATHER, CA 95655
Physician Assistant
10535 HOSPITAL WAY
MATHER, CA 95655
Internal Medicine
10535 HOSPITAL WAY
MATHER, CA 95655
Radiology (Diagnostic Radiology)
10535 HOSPITAL WAY, MATHER AF RADIOLOGY
MATHER, CA 95655
Internal Medicine
10535 HOSPITAL WAY
MATHER, CA 95655
Nurse Practitioner (Adult Health)
10535 HOSPITAL WAY
MATHER, CA 95655
Pharmacist (Pharmacotherapy)
10535 HOSPITAL WAY, PHARMACY (119)
MATHER, CA 95655

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1245216621, enumerated as an "individual" on December 19, 2005.

The provider is located at 10535 HOSPITAL WAY SACRAMENTO VA HOSPITAL SACRAMENTO, CA 95655 and the phone number is (916) 366-7138.

Internal Medicine with taxonomy code 207RC0000X and a focus in Cardiovascular Disease.