DR. JEFFREY HOWARD DAVIS M.D.
NPI 1164428116
Pediatrics - Pediatric Hematology-Oncology in Oak Harbor, WA

NPI Status: Active since June 23, 2005

Contact Information

3475 N SARATOGA ST
OAK HARBOR, WA
ZIP 98278
Phone: (360) 257-9905

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  • Individual
  • Male
  • Pediatrics
  • Pediatric Hematology-Oncology

About JEFFREY DAVIS

This page provides the complete NPI Profile along with additional information for Jeffrey Davis, a pediatrician established in Oak Harbor, Washington with a medical specialization in Pediatrics, focusing in pediatric hematology-oncology . The healthcare provider is registered in the NPI registry with number 1164428116 assigned on June 2005. The practitioner's primary taxonomy code is 2080P0207X with license number 00022723 (WA). The provider is registered as an individual and his NPI record was last updated 19 years ago.

NPI
1164428116
Provider Name
DR. JEFFREY HOWARD DAVIS M.D.
Gender
Male
Entity Type
Individual
Location Address
3475 N SARATOGA ST OAK HARBOR, WA 98278
Location Phone
(360) 257-9905
Mailing Address
5871 GIBBONS DRIVE RICHMOND, BRITISH COLUMBIA V7C 2
Mailing Phone
(604) 244-2275
Mailing Fax
Is Sole Proprietor?
Yes
Enumeration Date
06-23-2005
Last Update Date
07-08-2007
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A pediatrician like Jeffrey Davis 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 Pediatric Hematology-Oncology

Taxonomy Code
2080P0207X
Type
Allopathic & Osteopathic Physicians
License No.
00022723
License State
WA
Taxonomy Description
A pediatrician trained in the combination of pediatrics, hematology and oncology to recognize and manage pediatric blood disorders and cancerous diseases.

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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 1164428116, 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 54. The final step is to find the difference between that total and the next multiple of ten (60 - 54 = 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
1
Unchanged
Pos 3
6
Doubled → 12 → 1 + 2
Pos 4
4
Unchanged
Pos 5
4
Doubled → 8
Pos 6
2
Unchanged
Pos 7
8
Doubled → 16 → 1 + 6
Pos 8
1
Unchanged
Pos 9
1
Doubled → 2
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 6 → 12 → 3 4 → 8 8 → 16 → 7 1 → 2

Step 2: Add all digits plus the NPI constant

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

2 + 1 + 1 + 2 + 4 + 8 + 2 + 1 + 6 + 1 + 2 + 24 = 54

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

The next multiple of ten after 54 is 60. The difference is the calculated check digit.

60 - 54 = 6
This NPI is valid
The calculated check digit is 6, which matches the last digit of 1164428116.

Other Providers at the Same Location


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

Military Health Care Provider
3475 N SARATOGA ST
OAK HARBOR, WA 98278
Obstetrics & Gynecology
3475 N SARATOGA ST, DEPT OB/GYN, NAVAL HOSPITAL
OAK HARBOR, WA 98278
Dentist (Prosthodontics)
3475 N SARATOGA ST
OAK HARBOR, WA 98278
Physician Assistant (Medical)
3475 N SARATOGA ST
OAK HARBOR, WA 98278
Dentist (General Practice)
3475 N SARATOGA ST
OAK HARBOR, WA 98278
Registered Nurse (Ambulatory Care)
3475 N SARATOGA ST, COMMAND SUITE
OAK HARBOR, WA 98278
Pediatrics
3475 N SARATOGA ST, NAVAL HOSPITAL OAK HARBOR
OAK HARBOR, WA 98278
Internal Medicine (Gastroenterology)
3475 N SARATOGA ST
OAK HARBOR, WA 98278
Nurse Anesthetist, Certified Registered
3475 N SARATOGA ST
OAK HARBOR, WA 98278
Otolaryngology
3475 N SARATOGA ST
OAK HARBOR, WA 98278
Audiologist
3475 N SARATOGA ST
OAK HARBOR, WA 98278
Family Medicine
3475 N SARATOGA ST
OAK HARBOR, WA 98278
Family Medicine
3475 N SARATOGA ST
OAK HARBOR, WA 98278
Family Medicine
3475 N SARATOGA ST
OAK HARBOR, WA 98278
Family Medicine
3475 N SARATOGA ST
OAK HARBOR, WA 98278
Nurse Anesthetist, Certified Registered
3475 N SARATOGA ST
OAK HARBOR, WA 98278
Psychologist (Clinical)
3475 N SARATOGA ST
OAK HARBOR, WA 98278
Military Health Care Provider (Independent Duty Corpsman)
3475 N SARATOGA ST
OAK HARBOR, WA 98278
Technician, Other
3475 N SARATOGA ST, INTERNAL MED
OAK HARBOR, WA 98278
Obstetrics & Gynecology
3475 N SARATOGA ST
OAK HARBOR, WA 98278

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1164428116, enumerated as an "individual" on June 23, 2005.

The provider is located at 3475 N SARATOGA ST OAK HARBOR, WA 98278 and the phone number is (360) 257-9905.

Pediatrics with taxonomy code 2080P0207X and a focus in Pediatric Hematology-Oncology.