SYDNEY L MCCARTHY MD
NPI 1316889157
Family Medicine in Portland, OR

NPI Status: Active since April 09, 2026

Contact Information

4104 SE 82ND AVE STE 250
PORTLAND, OR
ZIP 97266
Phone: (503) 513-9850

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  • Individual
  • Female
  • Family Medicine

About SYDNEY MCCARTHY

This page provides the complete NPI Profile along with additional information for Sydney Mccarthy, a primary care provider established in Portland, Oregon with a medical specialization in Family Medicine. The healthcare provider is registered in the NPI registry with number 1316889157 assigned on April 2026. The practitioner's primary taxonomy code is 207Q00000X with license number PG230504 (OR). The provider is registered as an individual and her NPI record was last updated April 2026.

NPI
1316889157
Provider Name
SYDNEY L MCCARTHY MD
Gender
Female
Entity Type
Individual
Location Address
4104 SE 82ND AVE STE 250 PORTLAND, OR 97266
Location Phone
(503) 513-9850
Mailing Address
4104 SE 82ND AVE STE 250 PORTLAND, OR 97266
Is Sole Proprietor?
No
Enumeration Date
04-09-2026
Last Update Date
04-13-2026
Code Navigator

A primary care provider (PCP) like Sydney Mccarthy sees people with common medical problems. The primary care provider might be a doctor, physician assistant, nurse practitioner or clinic that are usually involved in your long-term care. A PCP might provide preventive care, treat common medical conditions, identify urgent medical problems and refer you to specialists when necessary. Primary care is usually provided in an outpatient facility but if you are admitted to a hospital your PCP may assist in your care. The most common medical conditions seen by primary care providers are: hypertension, upper respiratory tract infections, depression or anxiety, back pain, arthritis, dermatitis, diabetes, urinary tract infections, 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

Family Medicine

Taxonomy Code
207Q00000X
Type
Allopathic & Osteopathic Physicians
License No.
PG230504
License State
OR
Taxonomy Description
Family Medicine is the medical specialty which is concerned with the total health care of the individual and the family. It is the specialty in breadth which integrates the biological, clinical, and behavioral sciences. The scope of family medicine is not limited by age, sex, organ system, or disease entity.

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)
1390200000XStudent, Health Care

Student in an Organized Health Care Education/Training Program

 

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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 1316889157, 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 63. The final step is to find the difference between that total and the next multiple of ten (70 - 63 = 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
3
Unchanged
Pos 3
1
Doubled → 2
Pos 4
6
Unchanged
Pos 5
8
Doubled → 16 → 1 + 6
Pos 6
8
Unchanged
Pos 7
9
Doubled → 18 → 1 + 8
Pos 8
1
Unchanged
Pos 9
5
Doubled → 10 → 1 + 0
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 1 → 2 8 → 16 → 7 9 → 18 → 9 5 → 10 → 1

Step 2: Add all digits plus the NPI constant

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

2 + 3 + 2 + 6 + 1 + 6 + 8 + 1 + 8 + 1 + 1 + 0 + 24 = 63

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

The next multiple of ten after 63 is 70. The difference is the calculated check digit.

70 - 63 = 7
This NPI is valid
The calculated check digit is 7, which matches the last digit of 1316889157.

Other Providers at the Same Location


The following 11 providers are registered at the same or a nearby location.

Family Medicine
4104 SE 82ND AVE STE 250
PORTLAND, OR 97266
Physician Assistant
4104 SE 82ND AVE STE 250
PORTLAND, OR 97266
Family Medicine
4104 SE 82ND AVE STE 250
PORTLAND, OR 97266
Family Medicine
4104 SE 82ND AVE STE 250
PORTLAND, OR 97266
Family Medicine
4104 SE 82ND AVE STE 250
PORTLAND, OR 97266
Psychologist (Clinical)
4104 SE 82ND AVE STE 250
PORTLAND, OR 97266
Family Medicine
4104 SE 82ND AVE STE 250
PORTLAND, OR 97266
Family Medicine
4104 SE 82ND AVE STE 250
PORTLAND, OR 97266
Family Medicine
4104 SE 82ND AVE STE 250
PORTLAND, OR 97266
Family Medicine
4104 SE 82ND AVE STE 250
PORTLAND, OR 97266
Registered Nurse
4104 SE 82ND AVE STE 250
PORTLAND, OR 97266

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1316889157, enumerated as an "individual" on April 09, 2026.

The provider is located at 4104 SE 82ND AVE STE 250 PORTLAND, OR 97266 and the phone number is (503) 513-9850.

Family Medicine with taxonomy code 207Q00000X.