CRYSTAL LEE MACKALL MD
NPI 1003261660
Pediatrics - Pediatric Hematology-Oncology in Palo Alto, CA
NPI Status: Active since May 02, 2016
Contact Information
725 WELCH RD
PALO ALTO, CA
ZIP 94304
Phone: (650) 497-8000
- Individual
- Female
- Pediatrics
- Pediatric Hematology-Oncology
About CRYSTAL MACKALL
This page provides the complete NPI Profile along with additional information for Crystal Mackall, a pediatrician established in Palo Alto, California with a medical specialization in Pediatrics, focusing in pediatric hematology-oncology . The healthcare provider is registered in the NPI registry with number 1003261660 assigned on May 2016. The practitioner's primary taxonomy code is 2080P0207X with license number C140084 (CA). The provider is registered as an individual and her NPI record was last updated 2 years ago.
- NPI
- 1003261660
- Provider Name
- CRYSTAL LEE MACKALL MD
- Gender
- Female
- Entity Type
- Individual
- Location Address
- 725 WELCH RD PALO ALTO, CA 94304
- Location Phone
- (650) 497-8000
- Mailing Address
- 265 CAMPUS DR G3141A, MC5456 STANFORD, CA 94305
- Mailing Phone
- (650) 725-2553
- Is Sole Proprietor?
- No
- Enumeration Date
- 05-02-2016
- Last Update Date
- 04-16-2024
- Code Navigator
A pediatrician like Crystal Mackall 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
Secondary Locations
- 265 Campus Dr G3141A, MC5456
Stanford, CA 94305
(650) 725-2553
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 Pediatric Hematology-Oncology
- Taxonomy Code
- 2080P0207X
- Type
- Allopathic & Osteopathic Physicians
- License No.
- C140084
- License State
- CA
- Taxonomy Description
- A pediatrician trained in the combination of pediatrics, hematology and oncology to recognize and manage pediatric blood disorders and cancerous diseases.
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) |
|---|---|---|---|---|
| 1 | 207R00000X | Allopathic & Osteopathic Physicians | Internal Medicine | C140084 (CA) |
| 2 | 208000000X | Allopathic & Osteopathic Physicians | Pediatrics | C140084 (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 1003261660, we treat the final digit (0) 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 50. The final step is to find the difference between that total and the next multiple of ten (50 - 50 = 0).
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.
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.
Step 2: Add all digits plus the NPI constant
Add the transformed values, the unchanged digits, and the constant 24.
Step 3: Find the amount needed to reach the next multiple of 10
The next multiple of ten after 50 is 50. The difference is the calculated check digit.
Other Providers at the Same Location
The following 20 providers are registered at the same or a nearby location.
PALO ALTO, CA 94304
PALO ALTO, CA 94304
PALO ALTO, CA 94304
Frequently Asked Questions
The NPI number assigned to this healthcare provider is 1003261660, enumerated as an "individual" on May 02, 2016.
The provider is located at 725 WELCH RD PALO ALTO, CA 94304 and the phone number is (650) 497-8000.
Pediatrics with taxonomy code 2080P0207X and a focus in Pediatric Hematology-Oncology.
