MARCUS R KWAN M.D.
NPI 1891788592
Surgery in Santa Cruz, CA

NPI Status: Active since August 26, 2005

Contact Information

1595 SOQUEL DR
SUITE 340
SANTA CRUZ, CA
ZIP 95065
Phone: (831) 476-3322

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  • Individual
  • Male
  • Surgery

About MARCUS KWAN

This page provides the complete NPI Profile along with additional information for Marcus Kwan, a provider established in Santa Cruz, California with a medical specialization in Surgery. The healthcare provider is registered in the NPI registry with number 1891788592 assigned on August 2005. The practitioner's primary taxonomy code is 208600000X with license number A23018 (CA). The provider is registered as an individual and his NPI record was last updated 19 years ago.

NPI
1891788592
Provider Name
MARCUS R KWAN M.D.
Gender
Male
Entity Type
Individual
Location Address
1595 SOQUEL DR SUITE 340 SANTA CRUZ, CA 95065
Location Phone
(831) 476-3322
Mailing Address
1595 SOQUEL DR SUITE 340 SANTA CRUZ, CA 95065
Mailing Phone
(831) 476-3322
Is Sole Proprietor?
Yes
Enumeration Date
08-26-2005
Last Update Date
07-08-2007
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A surgeon like Marcus Kwan treats injuries, diseases, and deformities through surgical operations. A surgeon could correct physical deformities, repair bone and tissue, or perform preventive or elective surgeries. Surgeons also examine patients, perform and interpret diagnostic tests, and provide counsel on preventive healthcare.

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

Surgery

Taxonomy Code
208600000X
Type
Allopathic & Osteopathic Physicians
License No.
A23018
License State
CA
Taxonomy Description
A general surgeon has expertise related to the diagnosis - preoperative, operative and postoperative management - and management of complications of surgical conditions in the following areas: alimentary tract; abdomen; breast, skin and soft tissue; endocrine system; head and neck surgery; pediatric surgery; surgical critical care; surgical oncology; trauma and burns; and vascular surgery. General surgeons increasingly provide care through the use of minimally invasive and endoscopic techniques. Many general surgeons also possess expertise in transplantation surgery, plastic surgery and cardiothoracic surgery.

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
00A230181MEDICARE ID-TYPE UNSPECIFIED (04)CA 
A23363MEDICARE UPIN (02)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 1891788592, 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 78. The final step is to find the difference between that total and the next multiple of ten (80 - 78 = 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
8
Unchanged
Pos 3
9
Doubled → 18 → 1 + 8
Pos 4
1
Unchanged
Pos 5
7
Doubled → 14 → 1 + 4
Pos 6
8
Unchanged
Pos 7
8
Doubled → 16 → 1 + 6
Pos 8
5
Unchanged
Pos 9
9
Doubled → 18 → 1 + 8
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 9 → 18 → 9 7 → 14 → 5 8 → 16 → 7 9 → 18 → 9

Step 2: Add all digits plus the NPI constant

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

2 + 8 + 1 + 8 + 1 + 1 + 4 + 8 + 1 + 6 + 5 + 1 + 8 + 24 = 78

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

The next multiple of ten after 78 is 80. The difference is the calculated check digit.

80 - 78 = 2
This NPI is valid
The calculated check digit is 2, which matches the last digit of 1891788592.

Other Providers at the Same Location


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

Internal Medicine (Geriatric Medicine)
1595 SOQUEL DR, STE 400
SANTA CRUZ, CA 95065
Internal Medicine (Endocrinology, Diabetes & Metabolism)
1595 SOQUEL DR, STE 411
SANTA CRUZ, CA 95065
Obstetrics & Gynecology
1595 SOQUEL DR, STE, 220
SANTA CRUZ, CA 95065
Audiologist
1595 SOQUEL DR, 230
SANTA CRUZ, CA 95065
Internal Medicine (Geriatric Medicine)
1595 SOQUEL DR, STE 400
SANTA CRUZ, CA 95065
Non-Pharmacy Dispensing Site
1595 SOQUEL DR, 400
SANTA CRUZ, CA 95065
Nurse Practitioner
1595 SOQUEL DR, SUITE 400
SANTA CRUZ, CA 95065
Pharmacist
1595 SOQUEL DR
SANTA CRUZ, CA 95065
Plastic Surgery (Surgery of the Hand)
1595 SOQUEL DR, SUITE 310
SANTA CRUZ, CA 95065
Physician Assistant (Medical)
1595 SOQUEL DR, SUITE 400
SANTA CRUZ, CA 95065
Physical Medicine & Rehabilitation
1595 SOQUEL DR, STE 110
SANTA CRUZ, CA 95065
Nurse Practitioner
1595 SOQUEL DR, SUITE 400
SANTA CRUZ, CA 95065
Internal Medicine (Cardiovascular Disease)
1595 SOQUEL DR, SUITE 220
SANTA CRUZ, CA 95065
Internal Medicine (Gastroenterology)
1595 SOQUEL DR, SUITE 140
SANTA CRUZ, CA 95065
Otolaryngology
1595 SOQUEL DR, 230
SANTA CRUZ, CA 95065
Audiologist (Assistive Technology Supplier)
1595 SOQUEL DR, 150
SANTA CRUZ, CA 95065
Urology
1595 SOQUEL DR, 110
SANTA CRUZ, CA 95065
Family Medicine
1595 SOQUEL DR, SUITE 411
SANTA CRUZ, CA 95065
Obstetrics & Gynecology
1595 SOQUEL DR, STE 220
SANTA CRUZ, CA 95065
Plastic Surgery
1595 SOQUEL DR, SUITE 310
SANTA CRUZ, CA 95065

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1891788592, enumerated as an "individual" on August 26, 2005.

The provider is located at 1595 SOQUEL DR SUITE 340 SANTA CRUZ, CA 95065 and the phone number is (831) 476-3322.

Surgery with taxonomy code 208600000X.

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