DR. MARC B. SCHENKER M.D.
NPI 1225010622
Internal Medicine - Pulmonary Disease in Davis, CA

NPI Status: Active since November 19, 2005

Contact Information

1 SHIELDS AVE
TB 168, DEPT PUBLIC HEALTH SCIENCES
DAVIS, CA
ZIP 95616
Phone: (530) 752-5676

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  • Individual
  • Male
  • Internal Medicine
  • Pulmonary Disease

About MARC SCHENKER

This page provides the complete NPI Profile along with additional information for Marc Schenker, an internist established in Davis, California with a medical specialization in Internal Medicine, focusing in pulmonary disease . The healthcare provider is registered in the NPI registry with number 1225010622 assigned on November 2005. The practitioner's primary taxonomy code is 207RP1001X with license number G27973 (CA). The provider is registered as an individual and his NPI record was last updated one year ago.

NPI
1225010622
Provider Name
DR. MARC B. SCHENKER M.D.
Gender
Male
Entity Type
Individual
Location Address
1 SHIELDS AVE TB 168, DEPT PUBLIC HEALTH SCIENCES DAVIS, CA 95616
Location Phone
(530) 752-5676
Mailing Address
1018 HACIENDA AVE DAVIS, CA 95616
Mailing Phone
(530) 753-9013
Is Sole Proprietor?
Yes
Enumeration Date
11-19-2005
Last Update Date
09-11-2025
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An internist like Marc Schenker 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 Pulmonary Disease

Taxonomy Code
207RP1001X
Type
Allopathic & Osteopathic Physicians
License No.
G27973
License State
CA
Taxonomy Description
An internist who treats diseases of the lungs and airways. The pulmonologist diagnoses and treats cancer, pneumonia, pleurisy, asthma, occupational and environmental diseases, bronchitis, sleep disorders, emphysema and other complex disorders of the lungs.

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)
12083X0100XAllopathic & Osteopathic Physicians

Preventive Medicine
Occupational Medicine

G27973 (CA)

Insurance Plans Accepted

According to publicly available information the provider might be accepting the following health plans from these health insurance companies:

Specific plan information not avaialable, please contact the provider to verify if your insurance plan is accepted.

Specific plan information not avaialable, please contact the provider to verify if your insurance plan is accepted.

*Please verify directly with this provider to make sure your insurance plan is currently accepted.

Additional Identifiers

The NPI Enumerator encourages providers to submit additional identifiers with their NPI application although the submission of this information is optional. The additional identifier(s) section includes other numbers or codes currently or formerly used as an identifier for the provider by other public healthcare entities. The identifiers may include UPIN, NSC, OSCAR, DEA, Medicaid State or PIN identification numbers.

Identifier Type / Code Identifier State Identifier Issuer
G27973OTHER (01)CASTATE PROFESSIONAL LICENS
00G279730MEDICAID (05)CA 

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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 1225010622, we treat the final digit (2) 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 48. The final step is to find the difference between that total and the next multiple of ten (50 - 48 = 2).

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

Step 2: Add all digits plus the NPI constant

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

2 + 2 + 4 + 5 + 0 + 1 + 0 + 6 + 4 + 24 = 48

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

The next multiple of ten after 48 is 50. The difference is the calculated check digit.

50 - 48 = 2
This NPI is valid
The calculated check digit is 2, which matches the last digit of 1225010622.

Other Providers at the Same Location


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

Specialist/Technologist, Pathology (Laboratory Management)
1 SHIELDS AVE, UNIVERSITY OF CALIFORNIA DAVIS
DAVIS, CA 95616
Specialist/Technologist (Athletic Trainer)
1 SHIELDS AVE, UNIVERSITY OF CALIFORNIA, DAVIS
DAVIS, CA 95616
Specialist/Technologist (Athletic Trainer)
1 SHIELDS AVE, ATHLETIC DEPT. UNIVERSITY OF CALIFORNIA
DAVIS, CA 95616
Nurse Practitioner
1 SHIELDS AVE
DAVIS, CA 95616
Family Medicine
1 SHIELDS AVE
DAVIS, CA 95616
Family Medicine
1 SHIELDS AVE
DAVIS, CA 95616
Family Medicine
1 SHIELDS AVE
DAVIS, CA 95616
Family Medicine (Adult Medicine)
1 SHIELDS AVE
DAVIS, CA 95616
Specialist
1 SHIELDS AVE
DAVIS, CA 95616
Internal Medicine (Adolescent Medicine)
1 SHIELDS AVE, COWELL HEALTH CENTER
DAVIS, CA 95616
Internal Medicine
1 SHIELDS AVE, UNIVERSITY OF CALIFORNIA, DAVIS
DAVIS, CA 95616
Psychiatry & Neurology (Neurology)
1 SHIELDS AVE
DAVIS, CA 95616
Psychiatry & Neurology (Psychiatry)
1 SHIELDS AVE
DAVIS, CA 95616
Physical Therapist
1 SHIELDS AVE, COWELL STUDENT HEALTH CENTER
DAVIS, CA 95616
Physical Therapist
1 SHIELDS AVE
DAVIS, CA 95616
Physical Therapist
1 SHIELDS AVE, COWELL STUDENT HEALTH CENTER
DAVIS, CA 95616
Psychologist
1 SHIELDS AVE, UNIVERSITY OF CALIFORNIA, DAVIS (CAPS)
DAVIS, CA 95616
Psychologist (Counseling)
1 SHIELDS AVE, CAPS, 219 NORTH HALL, UNIVERSITY OF CALIFORNIA, DAVIS
DAVIS, CA 95616
Psychologist (Clinical)
1 SHIELDS AVE, CAPS
DAVIS, CA 95616
Psychologist
1 SHIELDS AVE, CAPS, UC DAVIS
DAVIS, CA 95616

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1225010622, enumerated as an "individual" on November 19, 2005.

The provider is located at 1 SHIELDS AVE TB 168, DEPT PUBLIC HEALTH SCIENCES DAVIS, CA 95616 and the phone number is (530) 752-5676.

Internal Medicine with taxonomy code 207RP1001X and a focus in Pulmonary Disease.

The provider might be accepting Accepts: Medicare and Medicaid. Please consult your insurance carrier or call the provider to verify.