DR. GWENDOLYN HAMILTON M.D.
NPI 1689879884
Pediatrics in Palo Alto, CA

NPI Status: Active since June 18, 2007

Contact Information

725 WELCH RD
PALO ALTO, CA
ZIP 94304
Phone: (650) 497-8000

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  • Individual
  • Female
  • Pediatrics

About GWENDOLYN HAMILTON

This page provides the complete NPI Profile along with additional information for Gwendolyn Hamilton, a pediatrician established in Palo Alto, California with a medical specialization in Pediatrics. The healthcare provider is registered in the NPI registry with number 1689879884 assigned on June 2007. The practitioner's primary taxonomy code is 208000000X with license number G43838 (CA). The provider is registered as an individual and her NPI record was last updated 10 years ago.

NPI
1689879884
Provider Name
DR. GWENDOLYN HAMILTON M.D.
Other Name
DR. GWENDOLYN GAIL JOHNSON M.D.
Other Name Type
Former Name (1)
Gender
Female
Entity Type
Individual
Location Address
725 WELCH RD PALO ALTO, CA 94304
Location Phone
(650) 497-8000
Mailing Address
1804 EMBARCADERO RD SUITE 100 PALO ALTO, CA 94303
Mailing Phone
(925) 313-6267
Mailing Fax
Is Sole Proprietor?
No
Enumeration Date
06-18-2007
Last Update Date
09-20-2016
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A pediatrician like Gwendolyn Hamilton is a physician who has completed a pediatric residency and is board-certified or board-eligible in a pediatric specialty. Pediatric care providers are trained to care for newborns, infants, children and adolescents. A pediatrician could perform physical exams, manage vaccinations, monitor development milestones, diagnose illnesses, infections, injuries or other health problems, 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

Pediatrics

Taxonomy Code
208000000X
Type
Allopathic & Osteopathic Physicians
License No.
G43838
License State
CA
Taxonomy Description
A pediatrician is concerned with the physical, emotional and social health of children from birth to young adulthood. Care encompasses a broad spectrum of health services ranging from preventive healthcare to the diagnosis and treatment of acute and chronic diseases. A pediatrician deals with biological, social and environmental influences on the developing child, and with the impact of disease and dysfunction on development.

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)
1174400000XOther Service Providers

Specialist

G43838 (CA)

Insurance Plans Accepted

According to publicly available information the provider might be accepting the following health plans from these health insurance companies:

Specific plan information not avaialable, please contact the provider to verify if your insurance plan is accepted.

Specific plan information not avaialable, please contact the provider to verify if your insurance plan is accepted.

*Please verify directly with this provider to make sure your insurance plan is currently accepted.

Additional Identifiers

The NPI Enumerator encourages providers to submit additional identifiers with their NPI application although the submission of this information is optional. The additional identifier(s) section includes other numbers or codes currently or formerly used as an identifier for the provider by other public healthcare entities. The identifiers may include UPIN, NSC, OSCAR, DEA, Medicaid State or PIN identification numbers.

Identifier Type / Code Identifier State Identifier Issuer
F55849MEDICARE UPIN (02)CA 

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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 1689879884, 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 86. The final step is to find the difference between that total and the next multiple of ten (90 - 86 = 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
8
Doubled → 16 → 1 + 6
Pos 4
9
Unchanged
Pos 5
8
Doubled → 16 → 1 + 6
Pos 6
7
Unchanged
Pos 7
9
Doubled → 18 → 1 + 8
Pos 8
8
Unchanged
Pos 9
8
Doubled → 16 → 1 + 6
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 8 → 16 → 7 8 → 16 → 7 9 → 18 → 9 8 → 16 → 7

Step 2: Add all digits plus the NPI constant

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

2 + 6 + 1 + 6 + 9 + 1 + 6 + 7 + 1 + 8 + 8 + 1 + 6 + 24 = 86

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

The next multiple of ten after 86 is 90. The difference is the calculated check digit.

90 - 86 = 4
This NPI is valid
The calculated check digit is 4, which matches the last digit of 1689879884.

Other Providers at the Same Location


The following 20 providers are registered at the same or a nearby location.

Pediatrics (Pediatric Cardiology)
725 WELCH RD
PALO ALTO, CA 94304
Pediatrics (Pediatric Pulmonology)
725 WELCH RD
PALO ALTO, CA 94304
Pediatrics (Pediatric Nephrology)
725 WELCH RD
PALO ALTO, CA 94304
Pediatrics (Pediatric Cardiology)
725 WELCH RD
PALO ALTO, CA 94304
Pediatrics (Pediatric Critical Care Medicine)
725 WELCH RD
PALO ALTO, CA 94304
Pediatrics (Pediatric Nephrology)
725 WELCH RD
PALO ALTO, CA 94304
Pediatrics (Pediatric Pulmonology)
725 WELCH RD
PALO ALTO, CA 94304
Pediatrics (Pediatric Cardiology)
725 WELCH RD, MC 5500
PALO ALTO, CA 94304
Obstetrics & Gynecology
725 WELCH RD
PALO ALTO, CA 94304
Radiology (Pediatric Radiology)
725 WELCH RD
PALO ALTO, CA 94304
Pediatrics (Pediatric Cardiology)
725 WELCH RD
PALO ALTO, CA 94304
Pediatrics
725 WELCH RD
PALO ALTO, CA 94304
Pediatrics (Pediatric Critical Care Medicine)
725 WELCH RD
PALO ALTO, CA 94304
Pediatrics
725 WELCH RD
PALO ALTO, CA 94304
Nurse Practitioner (Pediatrics)
725 WELCH RD
PALO ALTO, CA 94304
Pediatrics (Pediatric Hematology-Oncology)
725 WELCH RD
PALO ALTO, CA 94304
Pediatrics (Neonatal-Perinatal Medicine)
725 WELCH RD
PALO ALTO, CA 94304
Pediatrics (Pediatric Hematology-Oncology)
725 WELCH RD
PALO ALTO, CA 94304
Pediatrics (Neonatal-Perinatal Medicine)
725 WELCH RD
PALO ALTO, CA 94304
Psychiatry & Neurology (Neurology with Special Qualifications in Child Neurology)
725 WELCH RD, LUCILE PACKARD CHILDREN'S HOSPITAL
PALO ALTO, CA 94304

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1689879884, enumerated as an "individual" on June 18, 2007.

The provider is located at 725 WELCH RD PALO ALTO, CA 94304 and the phone number is (650) 497-8000.

Pediatrics with taxonomy code 208000000X.

The provider might be accepting Accepts: Medicare and Medicaid. Please consult your insurance carrier or call the provider to verify.