DR. STEPHANIE DOUGLAS M.D.
NPI 1679986277
Physical Medicine & Rehabilitation - Sports Medicine in Palo Alto, CA

NPI Status: Active since June 11, 2014

Contact Information

425 PAGE MILL RD STE 200
PALO ALTO, CA
ZIP 94306
Phone: (650) 665-9184
Fax: (650) 710-5985

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  • Individual
  • Female
  • Physical Medicine & Rehabilitation
  • Sports Medicine

About STEPHANIE DOUGLAS

This page provides the complete NPI Profile along with additional information for Stephanie Douglas, a provider established in Palo Alto, California with a medical specialization in Physical Medicine & Rehabilitation, focusing in sports medicine . The healthcare provider is registered in the NPI registry with number 1679986277 assigned on June 2014. The practitioner's primary taxonomy code is 2081S0010X with license number A198522 (CA). The provider is registered as an individual and her NPI record was last updated January 2026.

NPI
1679986277
Provider Name
DR. STEPHANIE DOUGLAS M.D.
Gender
Female
Entity Type
Individual
Location Address
425 PAGE MILL RD STE 200 PALO ALTO, CA 94306
Location Phone
(650) 665-9184
Location Fax
(650) 710-5985
Mailing Address
425 PAGE MILL RD STE 200 PALO ALTO, CA 94306
Mailing Phone
(650) 665-9184
Mailing Fax
(650) 710-5985
Is Sole Proprietor?
Yes
Enumeration Date
06-11-2014
Last Update Date
01-23-2026
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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

Physical Medicine & Rehabilitation Sports Medicine

Taxonomy Code
2081S0010X
Type
Allopathic & Osteopathic Physicians
License No.
A198522
License State
CA
Taxonomy Description
A physician who specializes in Sports Medicine is responsible for continuous care related to the enhancement of health and fitness as well as the prevention of injury and illness. The specialist possesses knowledge and experience in the promotion of wellness and the prevention of injury from many areas of medicine such as exercise physiology, biomechanics, nutrition, psychology, physical rehabilitation, epidemiology, physical evaluation and injuries. It is the goal of a Sports Medicine specialist to improve the healthcare of the individual engaged in physical exercise.

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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 1679986277, we treat the final digit (7) 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 73. The final step is to find the difference between that total and the next multiple of ten (80 - 73 = 7).

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
7
Doubled → 14 → 1 + 4
Pos 4
9
Unchanged
Pos 5
9
Doubled → 18 → 1 + 8
Pos 6
8
Unchanged
Pos 7
6
Doubled → 12 → 1 + 2
Pos 8
2
Unchanged
Pos 9
7
Doubled → 14 → 1 + 4
Check
7
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 9 → 18 → 9 6 → 12 → 3 7 → 14 → 5

Step 2: Add all digits plus the NPI constant

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

2 + 6 + 1 + 4 + 9 + 1 + 8 + 8 + 1 + 2 + 2 + 1 + 4 + 24 = 73

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

The next multiple of ten after 73 is 80. The difference is the calculated check digit.

80 - 73 = 7
This NPI is valid
The calculated check digit is 7, which matches the last digit of 1679986277.

Other Providers at the Same Location


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

Nurse Practitioner (Psychiatric/Mental Health)
425 PAGE MILL RD STE 200
PALO ALTO, CA 94306
Nurse Practitioner (Psychiatric/Mental Health)
425 PAGE MILL RD STE 200
PALO ALTO, CA 94306
Marriage & Family Therapist
425 PAGE MILL RD STE 200
PALO ALTO, CA 94306

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1679986277, enumerated as an "individual" on June 11, 2014.

The provider is located at 425 PAGE MILL RD STE 200 PALO ALTO, CA 94306 and the phone number is (650) 665-9184.

Physical Medicine & Rehabilitation with taxonomy code 2081S0010X and a focus in Sports Medicine.