MEDICAL ASSOCIATES, P.C.
NPI 1659539781
Internal Medicine - Infectious Disease in Elmhurst, NY

NPI Status: Active since May 27, 2008

Contact Information

8708 JUSTICE AVE
SUITE CS
ELMHURST, NY
ZIP 11373
Phone: (718) 779-9599
Fax: (718) 779-9579

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  • Organization
  • Internal Medicine
  • Infectious Disease
  • CLIA Number: 33D1090782
  • CLIA Cert. Type: Physician Office
  • CLIA Exp. Date: 10-19-2026

About MEDICAL ASSOCIATES, P.C.

This page provides the complete NPI Profile along with additional information for Medical Associates, P.c., an internist established in Elmhurst, New York operating as a Internal Medicine, focusing in infectious disease . The healthcare provider is registered in the NPI registry with number 1659539781 assigned on May 2008. The practitioner's primary taxonomy code is 207RI0200X with license number 201321 (NY). The provider is registered as an organization and their NPI record was last updated 18 years ago. Medical Associates, P.c. operates as a Multi-Specialty Group with one or more individual practitioners, who practice different areas of specialization. The authorized official of this NPI record is Dr. Marie E Dy-guillaume Md (President)

NPI
1659539781
Provider Name
MEDICAL ASSOCIATES, P.C.
Entity Type
Organization
Location Address
8708 JUSTICE AVE SUITE CS ELMHURST, NY 11373
Location Phone
(718) 779-9599
Location Fax
(718) 779-9579
Mailing Address
8708 JUSTICE AVE SUITE CS ELMHURST, NY 11373
Mailing Phone
(718) 779-9599
Mailing Fax
(718) 779-9579
Is Sole Proprietor?
No
Is Organization Subpart?
No
Enumeration Date
05-27-2008
Last Update Date
11-04-2008
Code Navigator

An internist like Medical Associates, P.c. 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 Infectious Disease

Taxonomy Code
207RI0200X
Type
Allopathic & Osteopathic Physicians
License No.
201321
License State
NY
Taxonomy Description
An internist who deals with infectious diseases of all types and in all organ systems. Conditions requiring selective use of antibiotics call for this special skill. This physician often diagnoses and treats AIDS patients and patients with fevers which have not been explained. Infectious disease specialists may also have expertise in preventive medicine and travel medicine.

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)
1207RG0100XAllopathic & Osteopathic Physicians

Internal Medicine
Gastroenterology

210261 (NY)

Group Taxonomy 193200000X MULTI-SPECIALTY GROUP

This provider is a business group of one or more individual practitioners, who practice with different areas 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. MARIE E DY-GUILLAUME MD

Authorized Official Title
PRESIDENT
Authorized Official Phone
(718) 779-9599

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
03028379MEDICAID (05)NY 
A100000101MEDICARE PIN (08)NY 

CLIA Information

The Clinical Laboratory Improvement Amendments (CLIA) of 1988 applies to facilities or sites that test human specimens for health assessment or to diagnose, prevent, or treat disease. The CLIA Program sets standards for clinical laboratory testing and issues certificates. The NPI / CLIA crosswalk information for this NPI number is:

CLIA Number
33D1090782
Facility Type
Physician Office
Certificate Effective Date
October 20, 2024
Certificate Expiration Date
October 19, 2026
Laboratory Director
MARIE E. DY-GUILLAUME MD
Certificate Type
Certificate of Waiver
Certificate Type Description
This CLIA certificate is issued to Medical Associates, P.c. to perform only waived tests. CLIA defines waived tests as simple tests with a low risk for an incorrect result. Waived tests include certain tests listed in CLIA regulations, tests cleared by the FDA for home use and tests approved by the FDA for waived status and that meet CLIA waiver criteria.

Reviews for MEDICAL ASSOCIATES, P.C.

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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 1659539781, we treat the final digit (1) 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 69. The final step is to find the difference between that total and the next multiple of ten (70 - 69 = 1).

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
6
Unchanged
Pos 3
5
Doubled → 10 → 1 + 0
Pos 4
9
Unchanged
Pos 5
5
Doubled → 10 → 1 + 0
Pos 6
3
Unchanged
Pos 7
9
Doubled → 18 → 1 + 8
Pos 8
7
Unchanged
Pos 9
8
Doubled → 16 → 1 + 6
Check
1
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 5 → 10 → 1 9 → 18 → 9 8 → 16 → 7

Step 2: Add all digits plus the NPI constant

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

2 + 6 + 1 + 0 + 9 + 1 + 0 + 3 + 1 + 8 + 7 + 1 + 6 + 24 = 69

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

The next multiple of ten after 69 is 70. The difference is the calculated check digit.

70 - 69 = 1
This NPI is valid
The calculated check digit is 1, which matches the last digit of 1659539781.

Other Providers at the Same Location


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

Internal Medicine (Gastroenterology)
8708 JUSTICE AVE, SUITE CE
ELMHURST, NY 11373
Dentist (General Practice)
8708 JUSTICE AVE, SUITE CA
ELMHURST, NY 11373
Dentist (General Practice)
8708 JUSTICE AVE, SUITE 2D
ELMHURST, NY 11373
Podiatrist
8708 JUSTICE AVE, SUITE CX
ELMHURST, NY 11373
Podiatrist
8708 JUSTICE AVE, SUITE CX
ELMHURST, NY 11373
Obstetrics & Gynecology
8708 JUSTICE AVE, 1H
ELMHURST, NY 11373
Psychiatry & Neurology (Psychiatry)
8708 JUSTICE AVE, SUITE 1J
ELMHURST, NY 11373
Obstetrics & Gynecology
8708 JUSTICE AVE, SUITE CN
ELMHURST, NY 11373
Dentist (Periodontics)
8708 JUSTICE AVE, SUITE 2M
ELMHURST, NY 11373
Dentist (Orthodontics and Dentofacial Orthopedics)
8708 JUSTICE AVE, SUITE 2-K
ELMHURST, NY 11373
Dentist (Orthodontics and Dentofacial Orthopedics)
8708 JUSTICE AVE, SUITE 1G
ELMHURST, NY 11373
Internal Medicine (Cardiovascular Disease)
8708 JUSTICE AVE, SUITE C8
ELMHURST, NY 11373
Dentist (Periodontics)
8708 JUSTICE AVE, SUITE 2M
ELMHURST, NY 11373
Pediatrics (Pediatric Cardiology)
8708 JUSTICE AVE, SUITE CF
ELMHURST, NY 11373
Social Worker (Clinical)
8708 JUSTICE AVE
ELMHURST, NY 11373
Social Worker (Clinical)
8708 JUSTICE AVE, SUITE C7
ELMHURST, NY 11373
Social Worker (Clinical)
8708 JUSTICE AVE
ELMHURST, NY 11373
Counselor
8708 JUSTICE AVE, SUITE C7
ELMHURST, NY 11373
Counselor (Mental Health)
8708 JUSTICE AVE, SUITE C-7
ELMHURST, NY 11373
Dentist (General Practice)
8708 JUSTICE AVE, SUITE 1L
ELMHURST, NY 11373

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1659539781, enumerated as an "organization" on May 27, 2008.

The provider is located at 8708 JUSTICE AVE SUITE CS ELMHURST, NY 11373 and the phone number is (718) 779-9599.

Internal Medicine with taxonomy code 207RI0200X and a focus in Infectious Disease.

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