HAROLD E QUAN M D INC
NPI 1730290958
Internal Medicine - Cardiovascular Disease in Newhall, CA

NPI Status: Active since August 31, 2006

Contact Information

23928 LYONS AVE
SUITE 101
NEWHALL, CA
ZIP 91321
Phone: (661) 255-8320
Fax: (661) 255-0338

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  • Organization
  • Internal Medicine
  • Cardiovascular Disease

About HAROLD E QUAN M D INC

This page provides the complete NPI Profile along with additional information for Harold E Quan M D Inc, an internist established in Newhall, California operating as a Internal Medicine, focusing in cardiovascular disease . The healthcare provider is registered in the NPI registry with number 1730290958 assigned on August 2006. The practitioner's primary taxonomy code is 207RC0000X. The provider is registered as an organization and their NPI record was last updated 17 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 Ms. Carol S Quan R.n. (Office Manager)

NPI
1730290958
Provider Name
HAROLD E QUAN M D INC
Entity Type
Organization
Location Address
23928 LYONS AVE SUITE 101 NEWHALL, CA 91321
Location Phone
(661) 255-8320
Location Fax
(661) 255-0338
Mailing Address
23928 LYONS AVE SUITE 101 NEWHALL, CA 91321
Mailing Phone
(661) 255-8320
Mailing Fax
(661) 255-0338
Is Sole Proprietor?
No
Is Organization Subpart?
No
Enumeration Date
08-31-2006
Last Update Date
02-06-2009
Code Navigator

An internist like Harold E Quan M D Inc 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 Cardiovascular Disease

Taxonomy Code
207RC0000X
Type
Allopathic & Osteopathic Physicians
Taxonomy Description
An internist who specializes in diseases of the heart and blood vessels and manages complex cardiac conditions such as heart attacks and life-threatening, abnormal heartbeat rhythms.

Group Taxonomy 193400000X 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.

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

MS. CAROL S QUAN R.N.

Authorized Official Title
OFFICE MANAGER
Authorized Official Phone
(666) 255-8320

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
W12999OTHER (01)CAMEDICARE PTAN
DN5809OTHER (01)RAILROAD MEDICARE GROUP NUMBER
HW12999MEDICARE PIN (08) 
ZZZ57676ZOTHER (01)BLUE SHIELD
00A341820MEDICAID (05)CA 
W12999MEDICARE PIN (08) 

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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 1730290958, we treat the final digit (8) 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 62. The final step is to find the difference between that total and the next multiple of ten (70 - 62 = 8).

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

Step 2: Add all digits plus the NPI constant

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

2 + 7 + 6 + 0 + 4 + 9 + 0 + 9 + 1 + 0 + 24 = 62

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

The next multiple of ten after 62 is 70. The difference is the calculated check digit.

70 - 62 = 8
This NPI is valid
The calculated check digit is 8, which matches the last digit of 1730290958.

Other Providers at the Same Location


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

Internal Medicine (Pulmonary Disease)
23928 LYONS AVE, SUITE 203
NEWHALL, CA 91321
Internal Medicine (Infectious Disease)
23928 LYONS AVE, 208
NEWHALL, CA 91321
Internal Medicine (Gastroenterology)
23928 LYONS AVE, SUITE 206
NEWHALL, CA 91321
Internal Medicine (Pulmonary Disease)
23928 LYONS AVE, SUITE 203
NEWHALL, CA 91321
Urology
23928 LYONS AVE, SUITE 202
NEWHALL, CA 91321
Internal Medicine (Gastroenterology)
23928 LYONS AVE, SUITE 206
NEWHALL, CA 91321
Internal Medicine (Endocrinology, Diabetes & Metabolism)
23928 LYONS AVE, #107
NEWHALL, CA 91321
Pharmacy (Community/Retail Pharmacy)
23928 LYONS AVE, 102
NEWHALL, CA 91321
Urology
23928 LYONS AVE, #202
NEWHALL, CA 91321
Internal Medicine (Pulmonary Disease)
23928 LYONS AVE
NEWHALL, CA 91321
Specialist
23928 LYONS AVE, STE 202
NEWHALL, CA 91321
Internal Medicine (Endocrinology, Diabetes & Metabolism)
23928 LYONS AVE, SUITE 107
NEWHALL, CA 91321
Psychiatry & Neurology (Neurology)
23928 LYONS AVE, #102
NEWHALL, CA 91321
Internal Medicine (Cardiovascular Disease)
23928 LYONS AVE, SUITE 101
NEWHALL, CA 91321
Internal Medicine (Cardiovascular Disease)
23928 LYONS AVE, SUITE 101
NEWHALL, CA 91321
Internal Medicine (Gastroenterology)
23928 LYONS AVE, SUITE 206
NEWHALL, CA 91321
Internal Medicine (Pulmonary Disease)
23928 LYONS AVE, SUITE 203
NEWHALL, CA 91321
Internal Medicine (Infectious Disease)
23928 LYONS AVE, 208
NEWHALL, CA 91321
Specialist
23928 LYONS AVE, #208
NEWHALL, CA 91321
Internal Medicine (Pulmonary Disease)
23928 LYONS AVE, SUITE 203
NEWHALL, CA 91321

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1730290958, enumerated as an "organization" on August 31, 2006.

The provider is located at 23928 LYONS AVE SUITE 101 NEWHALL, CA 91321 and the phone number is (661) 255-8320.

Internal Medicine with taxonomy code 207RC0000X and a focus in Cardiovascular Disease.

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