LINDSAY FINKAS M.D.
NPI 1619278322
Allergy & Immunology in San Rafael, CA

NPI Status: Active since November 11, 2010

Contact Information

99 MONTECILLO RD FL 3
SAN RAFAEL, CA
ZIP 94903
Phone: (415) 899-7509

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  • Individual
  • Female
  • Allergy & Immunology
  • PECOS Enrolled

About LINDSAY FINKAS

This page provides the complete NPI Profile along with additional information for Lindsay Finkas, a provider established in San Rafael, California with a medical specialization in Allergy & Immunology. The healthcare provider is registered in the NPI registry with number 1619278322 assigned on November 2010. The practitioner's primary taxonomy code is 207K00000X with license number A120924 (CA). The provider is registered as an individual and her NPI record was last updated one year ago.

NPI
1619278322
Provider Name
LINDSAY FINKAS M.D.
Gender
Female
Entity Type
Individual
Location Address
99 MONTECILLO RD FL 3 SAN RAFAEL, CA 94903
Location Phone
(415) 899-7509
Mailing Address
99 MONTECILLO RD FL 3 SAN RAFAEL, CA 94903
Mailing Phone
(415) 899-7509
Is Sole Proprietor?
No
Enumeration Date
11-11-2010
Last Update Date
10-24-2025
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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

Taxonomy Code
207K00000X
Type
Allopathic & Osteopathic Physicians
License No.
A120924
License State
CA
Taxonomy Description
An allergist-immunologist is trained in evaluation, physical and laboratory diagnosis, and management of disorders involving the immune system. Selected examples of such conditions include asthma, anaphylaxis, rhinitis, eczema, and adverse reactions to drugs, foods, and insect stings as well as immune deficiency diseases (both acquired and congenital), defects in host defense, and problems related to autoimmune disease, organ transplantation, or malignancies of the immune system.

Medicare Participation & PECOS Enrollment Status

Lindsay Finkas is enrolled in PECOS and is eligible to order or refer health care services for Medicare patients. The provider is eligible to order or refer: Part B Clinical Laboratory and Imaging, Durable Medical Equipment (DME), a Home Health Agency (HHA) and Power Mobility Devices.

What is PECOS?
PECOS is the online Medicare enrollment management system or Provider, Enrollment, Chain and Ownership System. The PECOS system is a database of providers who have registered with CMS as providers or suppliers. PECOS is the primary source of information about verified Medicare professionals. Providers that want to participate in this program need to enroll in PECOS with their NPI number to avoid denied claims.

  • Is the provider registered in PECOS? Yes

  • Eligible to Order or Refer Part B Clinical Laboratory and Imaging: Yes

  • Eligible to Order or Refer Durable Medical Equipment (DMEPOS): Yes

  • Eligible to Order or Refer a Home Health Agency (HHA): Yes

  • Eligible to Order or Refer Power Mobility Devices: Yes

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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 1619278322, we treat the final digit (2) 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 68. The final step is to find the difference between that total and the next multiple of ten (70 - 68 = 2).

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
2
Doubled → 4
Pos 6
7
Unchanged
Pos 7
8
Doubled → 16 → 1 + 6
Pos 8
3
Unchanged
Pos 9
2
Doubled → 4
Check
2
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 2 → 4 8 → 16 → 7 2 → 4

Step 2: Add all digits plus the NPI constant

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

2 + 6 + 2 + 9 + 4 + 7 + 1 + 6 + 3 + 4 + 24 = 68

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

The next multiple of ten after 68 is 70. The difference is the calculated check digit.

70 - 68 = 2
This NPI is valid
The calculated check digit is 2, which matches the last digit of 1619278322.

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1619278322, enumerated as an "individual" on November 11, 2010.

The provider is located at 99 MONTECILLO RD FL 3 SAN RAFAEL, CA 94903 and the phone number is (415) 899-7509.

Allergy & Immunology with taxonomy code 207K00000X.