DR. CHRISTOPHER J JAEGER MD
NPI 1851464713
Internal Medicine in San Francisco, CA

NPI Status: Active since November 16, 2006

Contact Information

302 SILVER AVE
SAN FRANCISCO, CA
ZIP 94112
Phone: (415) 334-2500

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  • Individual
  • Male
  • Internal Medicine

About CHRISTOPHER JAEGER

This page provides the complete NPI Profile along with additional information for Christopher Jaeger, an internist established in San Francisco, California with a medical specialization in Internal Medicine. The healthcare provider is registered in the NPI registry with number 1851464713 assigned on November 2006. The practitioner's primary taxonomy code is 207R00000X with license number A68104 (CA). The provider is registered as an individual and his NPI record was last updated May 2026.

NPI
1851464713
Provider Name
DR. CHRISTOPHER J JAEGER MD
Gender
Male
Entity Type
Individual
Location Address
302 SILVER AVE SAN FRANCISCO, CA 94112
Location Phone
(415) 334-2500
Mailing Address
601 VAN NESS AVE STE E3619 SAN FRANCISCO, CA 94102
Mailing Phone
(415) 531-9047
Mailing Fax
Is Sole Proprietor?
Yes
Enumeration Date
11-16-2006
Last Update Date
05-13-2026
Code Navigator

An internist like Christopher Jaeger 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.
A68104
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 1851464713, we treat the final digit (3) 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 67. The final step is to find the difference between that total and the next multiple of ten (70 - 67 = 3).

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

Step 2: Add all digits plus the NPI constant

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

2 + 8 + 1 + 0 + 1 + 8 + 6 + 8 + 7 + 2 + 24 = 67

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

The next multiple of ten after 67 is 70. The difference is the calculated check digit.

70 - 67 = 3
This NPI is valid
The calculated check digit is 3, which matches the last digit of 1851464713.

Other Providers at the Same Location


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

Internal Medicine (Geriatric Medicine)
302 SILVER AVE
SAN FRANCISCO, CA 94112
Psychiatry & Neurology (Psychiatry)
302 SILVER AVE
SAN FRANCISCO, CA 94112
Pharmacist (Pharmacotherapy)
302 SILVER AVE, ATTN: PHARMACY
SAN FRANCISCO, CA 94112
Pharmacist
302 SILVER AVE
SAN FRANCISCO, CA 94112
Internal Medicine
302 SILVER AVE
SAN FRANCISCO, CA 94112
Nurse Practitioner (Family)
302 SILVER AVE
SAN FRANCISCO, CA 94112
Dentist (General Practice)
302 SILVER AVE
SAN FRANCISCO, CA 94112
Physical Therapist
302 SILVER AVE
SAN FRANCISCO, CA 94112
Physical Therapist
302 SILVER AVE
SAN FRANCISCO, CA 94112
Physician Assistant
302 SILVER AVE
SAN FRANCISCO, CA 94112
General Acute Care Hospital
302 SILVER AVE
SAN FRANCISCO, CA 94112
Occupational Therapist
302 SILVER AVE
SAN FRANCISCO, CA 94112
Psychologist (Cognitive & Behavioral)
302 SILVER AVE
SAN FRANCISCO, CA 94112
Psychiatry & Neurology (Psychiatry)
302 SILVER AVE
SAN FRANCISCO, CA 94112
Physical Therapist
302 SILVER AVE
SAN FRANCISCO, CA 94112
Internal Medicine (Geriatric Medicine)
302 SILVER AVE
SAN FRANCISCO, CA 94112
Psychologist (Clinical)
302 SILVER AVE
SAN FRANCISCO, CA 94112
Clinic/Center (Adult Mental Health)
302 SILVER AVE
SAN FRANCISCO, CA 94112
Internal Medicine (Rheumatology)
302 SILVER AVE, JEWISH HOME FOR THE AGED
SAN FRANCISCO, CA 94112
Speech-Language Pathologist
302 SILVER AVE
SAN FRANCISCO, CA 94112

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1851464713, enumerated as an "individual" on November 16, 2006.

The provider is located at 302 SILVER AVE SAN FRANCISCO, CA 94112 and the phone number is (415) 334-2500.

Internal Medicine with taxonomy code 207R00000X.