DR. STEVEN MARK NATTERSTAD M.D.
NPI 1710048921
Internal Medicine in Los Altos, CA

NPI Status: Active since December 12, 2006

Contact Information

1000 FREMONT AVE
SUITE 145
LOS ALTOS, CA
ZIP 94024
Phone: (650) 917-1357
Fax: (650) 903-0111

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  • Individual
  • Male
  • Internal Medicine

About STEVEN NATTERSTAD

This page provides the complete NPI Profile along with additional information for Steven Natterstad, an internist established in Los Altos, California with a medical specialization in Internal Medicine. The healthcare provider is registered in the NPI registry with number 1710048921 assigned on December 2006. The practitioner's primary taxonomy code is 207R00000X with license number G63834 (CA). The provider is registered as an individual and his NPI record was last updated 19 years ago.

NPI
1710048921
Provider Name
DR. STEVEN MARK NATTERSTAD M.D.
Gender
Male
Entity Type
Individual
Location Address
1000 FREMONT AVE SUITE 145 LOS ALTOS, CA 94024
Location Phone
(650) 917-1357
Location Fax
(650) 903-0111
Mailing Address
1305 CARVO CT LOS ALTOS, CA 94024
Mailing Phone
(650) 965-1200
Is Sole Proprietor?
Yes
Enumeration Date
12-12-2006
Last Update Date
07-08-2007
Code Navigator

An internist like Steven Natterstad 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

Taxonomy Code
207R00000X
Type
Allopathic & Osteopathic Physicians
License No.
G63834
License State
CA
Taxonomy Description
A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.

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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 1710048921, 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
7
Unchanged
Pos 3
1
Doubled → 2
Pos 4
0
Unchanged
Pos 5
0
Doubled → 0
Pos 6
4
Unchanged
Pos 7
8
Doubled → 16 → 1 + 6
Pos 8
9
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 1 → 2 0 → 0 8 → 16 → 7 2 → 4

Step 2: Add all digits plus the NPI constant

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

2 + 7 + 2 + 0 + 0 + 4 + 1 + 6 + 9 + 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 1710048921.

Other Providers at the Same Location


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

Physical Therapist
1000 FREMONT AVE, STE 108
LOS ALTOS, CA 94024
Physical Therapist
1000 FREMONT AVE, STE. 108
LOS ALTOS, CA 94024
Clinic/Center (Physical Therapy)
1000 FREMONT AVE, STE. 108
LOS ALTOS, CA 94024
Psychologist (Counseling)
1000 FREMONT AVE, SUITE 270
LOS ALTOS, CA 94024
Physical Therapist
1000 FREMONT AVE, STE. 108
LOS ALTOS, CA 94024
Dentist
1000 FREMONT AVE, SUITE 130
LOS ALTOS, CA 94024
Physical Therapist
1000 FREMONT AVE, 108
LOS ALTO, CA 94024
Physical Therapist
1000 FREMONT AVE, SUITE 100
LOS ALTOS, CA 94024
Specialist
1000 FREMONT AVE, SUITE 155
LOS ALTOS, CA 94024
Massage Therapist
1000 FREMONT AVE
LOS ALTOS, CA 94024
Psychologist (Clinical)
1000 FREMONT AVE, SUITE 270
LOS ALTOS, CA 94024
Acupuncturist
1000 FREMONT AVE, SUITE 152
LOS ALTOS, CA 94024
Psychiatry & Neurology (Psychiatry)
1000 FREMONT AVE, SUITE 270
LOS ALTOS, CA 94024
Marriage & Family Therapist
1000 FREMONT AVE, SUITE 200
LOS ALTOS, CA 94024
Psychologist
1000 FREMONT AVE, SUITE 110
LOS ALTOS, CA 94024
Marriage & Family Therapist
1000 FREMONT AVE, SUITE 152
LOS ALTOS, CA 94024
Marriage & Family Therapist
1000 FREMONT AVE, # 275
LOS ALTOS, CA 94024
Physical Therapist (Orthopedic)
1000 FREMONT AVE, STE. 108
LOS ALTOS, CA 94024
Physical Therapist (Orthopedic)
1000 FREMONT AVE, STE. 108
LOS ALTOS, CA 94024
Physical Therapist (Orthopedic)
1000 FREMONT AVE, STE. 108
LOS ALTOS, CA 94024

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1710048921, enumerated as an "individual" on December 12, 2006.

The provider is located at 1000 FREMONT AVE SUITE 145 LOS ALTOS, CA 94024 and the phone number is (650) 917-1357.

Internal Medicine with taxonomy code 207R00000X.