DR. MARK EDWARD EASTHAM M.D.
NPI 1881610376
Specialist in San Jose, CA

NPI Status: Active since July 15, 2006

Contact Information

2505 SAMARITAN DR
SUITE 605
SAN JOSE, CA
ZIP 95124
Phone: (408) 358-0133
Fax: (408) 358-8134

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  • Individual
  • Male
  • Specialist

About MARK EASTHAM

This page provides the complete NPI Profile along with additional information for Mark Eastham, a provider established in San Jose, California with a medical specialization in Specialist. The healthcare provider is registered in the NPI registry with number 1881610376 assigned on July 2006. The practitioner's primary taxonomy code is 174400000X with license number G65379 (CA). The provider is registered as an individual and his NPI record was last updated 19 years ago.

NPI
1881610376
Provider Name
DR. MARK EDWARD EASTHAM M.D.
Gender
Male
Entity Type
Individual
Location Address
2505 SAMARITAN DR SUITE 605 SAN JOSE, CA 95124
Location Phone
(408) 358-0133
Location Fax
(408) 358-8134
Mailing Address
2505 SAMARITAN DR SUITE 605 SAN JOSE, CA 95124
Mailing Phone
(408) 358-0133
Mailing Fax
(408) 358-8134
Is Sole Proprietor?
Yes
Enumeration Date
07-15-2006
Last Update Date
07-08-2007
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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

Specialist

Taxonomy Code
174400000X
Type
Other Service Providers
License No.
G65379
License State
CA
Taxonomy Description
An individual educated and trained in an applied knowledge discipline used in the performance of work at a level requiring knowledge and skills beyond or apart from that provided by a general education or liberal arts degree.

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
ZZZ01314ZMEDICARE ID-TYPE UNSPECIFIED (04)CA 
E30309MEDICARE 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 1881610376, we treat the final digit (6) 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 54. The final step is to find the difference between that total and the next multiple of ten (60 - 54 = 6).

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
8
Doubled → 16 → 1 + 6
Pos 4
1
Unchanged
Pos 5
6
Doubled → 12 → 1 + 2
Pos 6
1
Unchanged
Pos 7
0
Doubled → 0
Pos 8
3
Unchanged
Pos 9
7
Doubled → 14 → 1 + 4
Check
6
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 8 → 16 → 7 6 → 12 → 3 0 → 0 7 → 14 → 5

Step 2: Add all digits plus the NPI constant

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

2 + 8 + 1 + 6 + 1 + 1 + 2 + 1 + 0 + 3 + 1 + 4 + 24 = 54

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

The next multiple of ten after 54 is 60. The difference is the calculated check digit.

60 - 54 = 6
This NPI is valid
The calculated check digit is 6, which matches the last digit of 1881610376.

Other Providers at the Same Location


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

Podiatrist (Foot & Ankle Surgery)
2505 SAMARITAN DR, STE 509
SAN JOSE, CA 95124
Podiatrist (Foot & Ankle Surgery)
2505 SAMARITAN DR, STE 509
SAN JOSE, CA 95124
Pharmacist
2505 SAMARITAN DR
SAN JOSE, CA 95124
Nurse Practitioner (Neonatal)
2505 SAMARITAN DR
SAN JOSE, CA 95124
Urology
2505 SAMARITAN DR, SUITE 201
SAN JOSE, CA 95124
Internal Medicine (Nephrology)
2505 SAMARITAN DR, SUITE 405
SAN JOSE, CA 95124
Internal Medicine (Nephrology)
2505 SAMARITAN DR, SUITE 405
SAN JOSE, CA 95124
Dermatology
2505 SAMARITAN DR, 601
SAN JOSE, CA 95124
Surgery (Plastic and Reconstructive Surgery)
2505 SAMARITAN DR, SUITE 503
SAN JOSE, CA 95124
Internal Medicine (Cardiovascular Disease)
2505 SAMARITAN DR, SUITE 404
SAN JOSE, CA 95124
Specialist
2505 SAMARITAN DR, STE 309
SAN JOSE, CA 95124
Ophthalmology
2505 SAMARITAN DR, SUITE 310
SAN JOSE, CA 95124
Dentist (General Practice)
2505 SAMARITAN DR, SUITE 307
SAN JOSE, CA 95124
Pediatrics
2505 SAMARITAN DR, 607
SAN JOSE, CA 95124
Pediatrics
2505 SAMARITAN DR, 607
SAN JOSE, CA 95124
Dentist
2505 SAMARITAN DR, SUITE 610
SAN JOSE, CA 95124
Clinic/Center (Ophthalmologic Surgery)
2505 SAMARITAN DR, SUITE 310
SAN JOSE, CA 95124
Psychiatry & Neurology (Psychiatry)
2505 SAMARITAN DR, 604
SAN JOSE, CA 95124
Surgery
2505 SAMARITAN DR, SUITE 504
SAN JOSE, CA 95124
Allergy & Immunology
2505 SAMARITAN DR, #606
SAN JOSE, CA 95124

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1881610376, enumerated as an "individual" on July 15, 2006.

The provider is located at 2505 SAMARITAN DR SUITE 605 SAN JOSE, CA 95124 and the phone number is (408) 358-0133.

Specialist with taxonomy code 174400000X.

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