AMINAA SIDDIQI
NPI 1619363314
Internal Medicine - Allergy & Immunology in Davis, CA

Active since April 09, 2015
2440 W COVELL BLVD STE 104, DAVIS, CA 95616(530) 747-3000 Get Directions Write a Review

NPPES record last updated: March 7, 2023. Verified against the NPPES registry weekly; last sync: July 19, 2026.

Record update history: Mar 7, 2023, Oct 29, 2020 (2 updates tracked since 2020).

  • Individual
  • Female
  • Internal Medicine
  • Allergy & Immunology

About AMINAA SIDDIQI

This page provides the complete NPI Profile along with additional information for Aminaa Siddiqi, an internist established in Davis, California with a medical specialization in Internal Medicine, focusing in allergy & immunology . The healthcare provider is registered in the NPI registry with number 1619363314 assigned on April 2015. The practitioner's primary taxonomy code is 207RA0201X with license number A153858 (CA). The provider is registered as an individual and her NPI record was last updated 3 years ago.

NPI
1619363314
Provider Name
AMINAA SIDDIQI
Gender
Female
Entity Type
Individual
Location Address
2440 W COVELL BLVD STE 104 DAVIS, CA 95616
Location Phone
(530) 747-3000
Mailing Address
2SOUTH310 ROUTE 59 WARRENVILLE, IL 60555
Is Sole Proprietor?
Yes
Enumeration Date
04-09-2015
Last Update Date
03-07-2023
Code Navigator

An internist like Aminaa Siddiqi 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 Allergy & Immunology

Taxonomy Code
207RA0201X
Type
Allopathic & Osteopathic Physicians
License No.
A153858
License State
CA
Taxonomy Description
An internist doctor of osteopathy that specializes in the treatment of allergy and immunologic disorders. A doctor of osteopathy that is board eligible/certified by the American Osteopathic Board of Internal Medicine can obtain a Certificate of Special Qualifications in the field of Allergy & Immunology.

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)
1207RA0201XAllopathic & Osteopathic Physicians

Internal Medicine
Allergy & Immunology

036.153084 (IL)

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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 1619363314, we treat the final digit (4) 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 66. The final step is to find the difference between that total and the next multiple of ten (70 - 66 = 4).

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

Step 2: Add all digits plus the NPI constant

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

2 + 6 + 2 + 9 + 6 + 6 + 6 + 3 + 2 + 24 = 66

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

The next multiple of ten after 66 is 70. The difference is the calculated check digit.

70 - 66 = 4
This NPI is valid
The calculated check digit is 4, which matches the last digit of 1619363314.

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1619363314, enumerated as an "individual" on April 09, 2015.

The provider is located at 2440 W COVELL BLVD STE 104 DAVIS, CA 95616 and the phone number is (530) 747-3000.

Internal Medicine with taxonomy code 207RA0201X and a focus in Allergy & Immunology.