HARVINDER K. CHAUDHRY MD
NPI 1891069860
Internal Medicine - Geriatric Medicine in Montgomery, NY

NPI Status: Active since March 08, 2012

Contact Information

20 WALNUT ST
MONTGOMERY, NY
ZIP 12549
Phone: (845) 457-3979

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  • Organization
  • Internal Medicine
  • Geriatric Medicine
  • CLIA Number: 33D0912331
  • CLIA Cert. Type: Physician Office
  • CLIA Exp. Date: 02-29-2028

About HARVINDER K. CHAUDHRY MD

This page provides the complete NPI Profile along with additional information for Harvinder K. Chaudhry Md, an internist established in Montgomery, New York operating as a Internal Medicine, focusing in geriatric medicine . The healthcare provider is registered in the NPI registry with number 1891069860 assigned on March 2012. The practitioner's primary taxonomy code is 207RG0300X. The provider is registered as an organization and their NPI record was last updated 14 years ago. Harvinder K. Chaudhry Md 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 Claudette Schaad (Office Manager)

NPI
1891069860
Provider Name
HARVINDER K. CHAUDHRY MD
Entity Type
Organization
Location Address
20 WALNUT ST MONTGOMERY, NY 12549
Location Phone
(845) 457-3979
Mailing Address
20 WALNUT ST MONTGOMERY, NY 12549
Is Sole Proprietor?
No
Is Organization Subpart?
No
Enumeration Date
03-08-2012
Last Update Date
03-08-2012
Code Navigator

An internist like Harvinder K. Chaudhry Md 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.

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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

Internal Medicine Geriatric Medicine

Taxonomy Code
207RG0300X
Type
Allopathic & Osteopathic Physicians
Taxonomy Description
An internist who has special knowledge of the aging process and special skills in the diagnostic, therapeutic, preventive and rehabilitative aspects of illness in the elderly. This specialist cares for geriatric patients in the patient's home, the office, long-term care settings such as nursing homes and the hospital.

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)
1207Q00000XAllopathic & Osteopathic Physicians

Family Medicine

 

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.

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

CLAUDETTE SCHAAD

Authorized Official Title
OFFICE MANAGER
Authorized Official Phone
(845) 457-3979

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
33D0912331
Facility Type
Physician Office
Certificate Effective Date
March 01, 2026
Certificate Expiration Date
February 29, 2028
Laboratory Director
HARVINDER K. CHAUDHRY
Certificate Type
Certificate of Waiver
Certificate Type Description
This CLIA certificate is issued to Harvinder K. Chaudhry Md 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.

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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 1891069860, we treat the final digit (0) 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 70. The final step is to find the difference between that total and the next multiple of ten (70 - 70 = 0).

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
0
Doubled → 0
Pos 6
6
Unchanged
Pos 7
9
Doubled → 18 → 1 + 8
Pos 8
8
Unchanged
Pos 9
6
Doubled → 12 → 1 + 2
Check
0
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 0 → 0 9 → 18 → 9 6 → 12 → 3

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 + 0 + 6 + 1 + 8 + 8 + 1 + 2 + 24 = 70

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

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

70 - 70 = 0
This NPI is valid
The calculated check digit is 0, which matches the last digit of 1891069860.

Other Providers at the Same Location


The following 16 providers are registered at the same or a nearby location.

Internal Medicine
20 WALNUT ST, SUITE A
MONTGOMERY, NY 12549
Dietitian, Registered
20 WALNUT ST, SUITE B
MONTGOMERY, NY 12549
Physical Therapist
20 WALNUT ST, SUITE B
MONTGOMERY, NY 12549
Physical Therapist
20 WALNUT ST, SUITE B
MONTGOMERY, NY 12549
Physical Therapist
20 WALNUT ST, SUITE B
MONTGOMERY, NY 12549
Occupational Therapist
20 WALNUT ST, SUITE D
MONTGOMERY, NY 12549
Occupational Therapist
20 WALNUT ST, SUITE D
MONTGOMERY, NY 12549
Physical Therapist
20 WALNUT ST, SUITE B
MONTGOMERY, NY 12549
Occupational Therapist
20 WALNUT ST, SUITE B
MONTGOMERY, NY 12549
Occupational Therapist
20 WALNUT ST, SUITE D
MONTGOMERY, NY 12549
Physical Therapist
20 WALNUT ST, SUITE B
MONTGOMERY, NY 12549
Physical Therapist
20 WALNUT ST, SUITE B
MONTGOMERY, NY 12549
Occupational Therapist
20 WALNUT ST, SUITE B
MONTGOMERY, NY 12549
Clinic/Center (Rehabilitation)
20 WALNUT ST, SUITE D
MONTGOMERY, NY 12549
Physical Therapist
20 WALNUT ST, SUITE B
MONTGOMERY, NY 12549
Physical Therapist
20 WALNUT ST, SUITE B
MONTGOMERY, NY 12549

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1891069860, enumerated as an "organization" on March 08, 2012.

The provider is located at 20 WALNUT ST MONTGOMERY, NY 12549 and the phone number is (845) 457-3979.

Internal Medicine with taxonomy code 207RG0300X and a focus in Geriatric Medicine.