DR. MARIA CLARA BUNTAN CALAYAG M.D.
NPI 1538295076
Pediatrics in Oakland, CA

NPI Status: Active since February 26, 2007

Contact Information

6955 FOOTHILL BLVD
SUITE 200
OAKLAND, CA
ZIP 94605
Phone: (510) 567-5800
Fax: (510) 568-0225

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  • Individual
  • Female
  • Pediatrics

About MARIA CLARA CALAYAG

This page provides the complete NPI Profile along with additional information for Maria Clara Calayag, a pediatrician established in Oakland, California with a medical specialization in Pediatrics. The healthcare provider is registered in the NPI registry with number 1538295076 assigned on February 2007. The practitioner's primary taxonomy code is 208000000X with license number A53708 (CA). The provider is registered as an individual and her NPI record was last updated 19 years ago.

NPI
1538295076
Provider Name
DR. MARIA CLARA BUNTAN CALAYAG M.D.
Gender
Female
Entity Type
Individual
Location Address
6955 FOOTHILL BLVD SUITE 200 OAKLAND, CA 94605
Location Phone
(510) 567-5800
Location Fax
(510) 568-0225
Mailing Address
PO BOX 5595 HERCULES, CA 94547
Is Sole Proprietor?
No
Enumeration Date
02-26-2007
Last Update Date
07-08-2007
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A pediatrician like Maria Clara Calayag 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.
A53708
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.

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
G01136MEDICARE 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 1538295076, we treat the final digit (6) 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 64. The final step is to find the difference between that total and the next multiple of ten (70 - 64 = 6).

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
5
Unchanged
Pos 3
3
Doubled → 6
Pos 4
8
Unchanged
Pos 5
2
Doubled → 4
Pos 6
9
Unchanged
Pos 7
5
Doubled → 10 → 1 + 0
Pos 8
0
Unchanged
Pos 9
7
Doubled → 14 → 1 + 4
Check
6
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 3 → 6 2 → 4 5 → 10 → 1 7 → 14 → 5

Step 2: Add all digits plus the NPI constant

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

2 + 5 + 6 + 8 + 4 + 9 + 1 + 0 + 0 + 1 + 4 + 24 = 64

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

The next multiple of ten after 64 is 70. The difference is the calculated check digit.

70 - 64 = 6
This NPI is valid
The calculated check digit is 6, which matches the last digit of 1538295076.

Other Providers at the Same Location


The following 19 providers are registered at the same or a nearby location.

Nurse Practitioner (Women's Health)
6955 FOOTHILL BLVD
OAKLAND, CA 94605
Nurse Practitioner (Obstetrics & Gynecology)
6955 FOOTHILL BLVD, STE 300
OAKLAND, CA 94605
Nurse Practitioner (Family)
6955 FOOTHILL BLVD, SUITE 200
OAKLAND, CA 94605
Internal Medicine
6955 FOOTHILL BLVD, #200
OAKLAND, CA 94605
Internal Medicine
6955 FOOTHILL BLVD, SUITE 200
OAKLAND, CA 94605
Nurse Practitioner
6955 FOOTHILL BLVD, EASTMONT WELLNESS CENTER
OAKLAND, CA 94605
Social Worker
6955 FOOTHILL BLVD, SUITE 300
OAKLAND, CA 94605
Pediatrics
6955 FOOTHILL BLVD, SUITE 200
OAKLAND, CA 94605
Social Worker
6955 FOOTHILL BLVD
OAKLAND, CA 94605
Registered Nurse (Community Health)
6955 FOOTHILL BLVD, THIRD FLOOR
OAKLAND, CA 94605
Pharmacist
6955 FOOTHILL BLVD, SUITE 200
OAKLAND, CA 94605
Nurse Practitioner (Women's Health)
6955 FOOTHILL BLVD, #200
OAKLAND, CA 94605
Social Worker
6955 FOOTHILL BLVD
OAKLAND, CA 94605
Clinic/Center
6955 FOOTHILL BLVD, SUITE 200
OAKLAND, CA 94605
Registered Nurse
6955 FOOTHILL BLVD, 275
OAKLAND, CA 94605
Dietitian, Registered
6955 FOOTHILL BLVD, 275
OAKLAND, CA 94605
Licensed Vocational Nurse
6955 FOOTHILL BLVD, STE. 188
OAKLAND, CA 94605
Registered Nurse
6955 FOOTHILL BLVD
OAKLAND, CA 94605
Registered Nurse
6955 FOOTHILL BLVD, SUITE 188
OAKLAND, CA 94605

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1538295076, enumerated as an "individual" on February 26, 2007.

The provider is located at 6955 FOOTHILL BLVD SUITE 200 OAKLAND, CA 94605 and the phone number is (510) 567-5800.

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.