JAMES JACK KOHAN MD LLC
NPI 1952633323
Internal Medicine - Pulmonary Disease in Del Mar, CA

NPI Status: Active since February 09, 2010

Contact Information

2658 DEL MAR HEIGHTS RD
#358
DEL MAR, CA
ZIP 92014
Phone: (808) 352-2501
Fax: (858) 755-3758

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NPPES record last updated: October 17, 2012. Verified against the NPPES registry weekly; last sync: July 12, 2026.

  • Organization
  • Internal Medicine
  • Pulmonary Disease

About JAMES JACK KOHAN MD LLC

This page provides the complete NPI Profile along with additional information for James Jack Kohan Md Llc, an internist established in Del Mar, California operating as a Internal Medicine, focusing in pulmonary disease . The healthcare provider is registered in the NPI registry with number 1952633323 assigned on February 2010. The practitioner's primary taxonomy code is 207RP1001X with license number MD13365 (HI). The provider is registered as an organization and their NPI record was last updated 14 years ago. The organization operates as a Single Specialty Group with one or more individual practitioners, all of who practice with the same area of specialization. The authorized official of this NPI record is Dr. James Michael Kohan Md (President)

NPI
1952633323
Provider Name
JAMES JACK KOHAN MD LLC
Entity Type
Organization
Location Address
2658 DEL MAR HEIGHTS RD #358 DEL MAR, CA 92014
Location Phone
(808) 352-2501
Location Fax
(858) 755-3758
Mailing Address
PO BOX 700309 KAPOLEI, HI 96709
Mailing Phone
(808) 203-7943
Mailing Fax
(808) 693-8060
Is Sole Proprietor?
No
Is Organization Subpart?
No
Enumeration Date
02-09-2010
Last Update Date
10-17-2012
Code Navigator

An internist like James Jack Kohan Md Llc 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.
MD13365
License State
HI
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)
1207RS0012XAllopathic & Osteopathic Physicians

Internal Medicine
Sleep Medicine

MD13365 (HI)

Group Taxonomy 193400000X MULTIPLE SINGLE SPECIALTY GROUP

This provdier is a business group of one or more individual practitioners, all of who practice with the same area of specialization.

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.

Authorized Official

The authorized official is the designated individual with the legal authority to make changes to the provider’s official NPI record. For organizations, the authorized official must be a general partner, chairman of the board, CEO, CFO or a direct owner holding at least a 5 percent stake in the medical organization.

Authorized Official Name

DR. JAMES MICHAEL KOHAN MD

Authorized Official Title
PRESIDENT
Authorized Official Phone
(808) 352-2501

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
0000291385OTHER (01)HIHMSA
D02177MEDICARE UPIN (02)HI 
CY667BMEDICARE PIN (08)HI 
569337-02MEDICAID (05)HI 

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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 1952633323, 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 57. The final step is to find the difference between that total and the next multiple of ten (60 - 57 = 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
9
Unchanged
Pos 3
5
Doubled → 10 → 1 + 0
Pos 4
2
Unchanged
Pos 5
6
Doubled → 12 → 1 + 2
Pos 6
3
Unchanged
Pos 7
3
Doubled → 6
Pos 8
3
Unchanged
Pos 9
2
Doubled → 4
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 6 → 12 → 3 3 → 6 2 → 4

Step 2: Add all digits plus the NPI constant

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

2 + 9 + 1 + 0 + 2 + 1 + 2 + 3 + 6 + 3 + 4 + 24 = 57

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

The next multiple of ten after 57 is 60. The difference is the calculated check digit.

60 - 57 = 3
This NPI is valid
The calculated check digit is 3, which matches the last digit of 1952633323.

Other Providers at the Same Location


The following 2 providers are registered at the same or a nearby location.

Family Medicine
2658 DEL MAR HEIGHTS RD, BOX# 369
DEL MAR, CA 92014
In Home Supportive Care
2658 DEL MAR HEIGHTS RD, SUITE 115
DEL MAR, CA 92014

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1952633323, enumerated as an "organization" on February 09, 2010.

The provider is located at 2658 DEL MAR HEIGHTS RD #358 DEL MAR, CA 92014 and the phone number is (808) 352-2501.

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.