What is Marcia Ko's NPI number?

Marcia Ko's National Provider Identifier (NPI) is 1871577114, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.

What is Marcia Ko's specialty?

Marcia Ko is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).

Where is Marcia Ko located?

Marcia Ko's practice location on file with NPPES is 13737 N 92nd St, Scottsdale, AZ 85260.

What is Marcia Ko's phone number?

The practice phone number listed in the NPPES registry for Marcia Ko is (480) 301-8000.

Is Marcia Ko's NPI active?

Yes — Marcia Ko's NPI (1871577114) is active in the NPPES registry as of the last update on 2020-09-10.

IndividualActive

Marcia Ko, M.D.

NPI 1871577114 · Internal Medicine Physician · Scottsdale, AZ

Marcia Ko, M.D. is a Internal Medicine Physician provider in Scottsdale, AZ (NPI 1871577114).

Provider details

NPI number: 1871577114
Entity type: Individual
Primary specialty: Internal Medicine PhysicianAllopathic & Osteopathic Physicians
Credential: M.D.
Sex: Female
Sole proprietor: No
License: 12181 (AZ)

Specialties & taxonomies

Internal Medicine PhysicianPrimary207R00000XLicense 12181 (AZ)
Allopathic & Osteopathic Physicians

Profile Score

Detailed profile(95/100 index)

A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.

Registry tenure38% of score
20 yrs in NPPES registry
Profile completeness38% of score
100% of core fields populated
Practice footprint23% of score
2 documented practice locations

Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.

Practice location

13737 N 92nd St

Scottsdale, AZ 85260

Phone: (480) 301-8000

Street-level locationGet directions

More AZ providers

Mailing address

13737 N 92nd St

Scottsdale, AZ 85260-7434

Additional practice locations (1)

13400 E Shea Blvd
Scottsdale, AZ 85259-5452
Phone: (480) 301-8000

Enumerated: 2005-11-30
Last updated: 2020-09-10
Certified: 2020-09-10

Frequently asked questions

What is Marcia Ko's NPI number?: Marcia Ko's National Provider Identifier (NPI) is 1871577114, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
What is Marcia Ko's specialty?: Marcia Ko is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
Where is Marcia Ko located?: Marcia Ko's practice location on file with NPPES is 13737 N 92nd St, Scottsdale, AZ 85260.
What is Marcia Ko's phone number?: The practice phone number listed in the NPPES registry for Marcia Ko is (480) 301-8000.
Is Marcia Ko's NPI active?: Yes — Marcia Ko's NPI (1871577114) is active in the NPPES registry as of the last update on 2020-09-10.

Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.