ASTHMA AND ALLERGY SPECIALISTS PC
NPI 1477067999
Allergy & Immunology - Allergy in Winchester, MA

NPI Status: Active since November 20, 2017

Contact Information

955 MAIN ST STE 208
WINCHESTER, MA
ZIP 01890
Phone: (781) 729-2293
Fax: (781) 369-1493

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  • Organization
  • Allergy & Immunology
  • Allergy

About ASTHMA AND ALLERGY SPECIALISTS PC

This page provides the complete NPI Profile along with additional information for Asthma And Allergy Specialists Pc, a provider established in Winchester, Massachusetts operating as a Allergy & Immunology, focusing in allergy . The healthcare provider is registered in the NPI registry with number 1477067999 assigned on November 2017. The practitioner's primary taxonomy code is 207KA0200X with license number 203930 (MA). The provider is registered as an organization and their NPI record was last updated January 2026. 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. Vandana M Krishna Md, Ms, Faaai (President)

NPI
1477067999
Provider Name
ASTHMA AND ALLERGY SPECIALISTS PC
Entity Type
Organization
Location Address
955 MAIN ST STE 208 WINCHESTER, MA 01890
Location Phone
(781) 729-2293
Location Fax
(781) 369-1493
Mailing Address
115 MAIN ST WINCHESTER, MA 01890
Mailing Phone
(617) 818-5686
Mailing Fax
(781) 369-1493
Is Sole Proprietor?
No
Is Organization Subpart?
No
Enumeration Date
11-20-2017
Last Update Date
01-28-2026
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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

Allergy & Immunology Allergy

Taxonomy Code
207KA0200X
Type
Allopathic & Osteopathic Physicians
License No.
203930
License State
MA
Taxonomy Description
A physician who specializes in the diagnosis, treatment, and management of allergies. Source: National Uniform Claim Committee

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.

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. VANDANA M KRISHNA MD, MS, FAAAI

Authorized Official Title
PRESIDENT
Authorized Official Phone
(617) 818-1490

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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 1477067999, we treat the final digit (9) 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 71. The final step is to find the difference between that total and the next multiple of ten (80 - 71 = 9).

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
4
Unchanged
Pos 3
7
Doubled → 14 → 1 + 4
Pos 4
7
Unchanged
Pos 5
0
Doubled → 0
Pos 6
6
Unchanged
Pos 7
7
Doubled → 14 → 1 + 4
Pos 8
9
Unchanged
Pos 9
9
Doubled → 18 → 1 + 8
Check
9
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 7 → 14 → 5 0 → 0 7 → 14 → 5 9 → 18 → 9

Step 2: Add all digits plus the NPI constant

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

2 + 4 + 1 + 4 + 7 + 0 + 6 + 1 + 4 + 9 + 1 + 8 + 24 = 71

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

The next multiple of ten after 71 is 80. The difference is the calculated check digit.

80 - 71 = 9
This NPI is valid
The calculated check digit is 9, which matches the last digit of 1477067999.

Other Providers at the Same Location


The following 3 providers are registered at the same or a nearby location.

Pharmacy Technician
955 MAIN ST STE 208
WINCHESTER, MA 01890
Clinic/Center (Medical Specialty)
955 MAIN ST STE 208
WINCHESTER, MA 01890
Allergy & Immunology
955 MAIN ST STE 208
WINCHESTER, MA 01890

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1477067999, enumerated as an "organization" on November 20, 2017.

The provider is located at 955 MAIN ST STE 208 WINCHESTER, MA 01890 and the phone number is (781) 729-2293.

Allergy & Immunology with taxonomy code 207KA0200X and a focus in Allergy.