What is Karen Armstrong's NPI number?

Karen Armstrong's National Provider Identifier (NPI) is 1982645628, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.

What is Karen Armstrong's specialty?

Karen Armstrong is listed in the NPPES registry with a primary specialty of Advanced Practice Midwife (Physician Assistants & Advanced Practice Nursing Providers).

Where is Karen Armstrong located?

Karen Armstrong's practice location on file with NPPES is 1535 State St, Salem, OR 97301-4255.

What is Karen Armstrong's phone number?

The practice phone number listed in the NPPES registry for Karen Armstrong is (503) 364-3787.

Is Karen Armstrong's NPI active?

Yes — Karen Armstrong's NPI (1982645628) is active in the NPPES registry as of the last update on 2009-03-31.

IndividualActive

Karen Armstrong, CNM

NPI 1982645628 · Advanced Practice Midwife · Salem, OR

Karen Armstrong, CNM is a Advanced Practice Midwife provider in Salem, OR (NPI 1982645628).

Provider details

NPI number: 1982645628
Entity type: Individual
Primary specialty: Advanced Practice MidwifePhysician Assistants & Advanced Practice Nursing Providers
Credential: CNM
Sex: Female
Sole proprietor: No
License: 088006691N5 (OR)

Practice location

1535 State St

Salem, OR 97301-4255

Phone: (503) 364-3787

Fax: (503) 763-3595

Street-level locationGet directions

More OR providers

Mailing address

1535 State St

Salem, OR 97301-4255

Specialties & taxonomies

Advanced Practice MidwifePrimary367A00000XLicense 088006691N5 (OR)
Physician Assistants & Advanced Practice Nursing Providers

Profile Score

Detailed profile(91/100 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
1 documented practice location

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.

Enumerated: 2006-06-10
Last updated: 2009-03-31

Frequently asked questions

What is Karen Armstrong's NPI number?: Karen Armstrong's National Provider Identifier (NPI) is 1982645628, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
What is Karen Armstrong's specialty?: Karen Armstrong is listed in the NPPES registry with a primary specialty of Advanced Practice Midwife (Physician Assistants & Advanced Practice Nursing Providers).
Where is Karen Armstrong located?: Karen Armstrong's practice location on file with NPPES is 1535 State St, Salem, OR 97301-4255.
What is Karen Armstrong's phone number?: The practice phone number listed in the NPPES registry for Karen Armstrong is (503) 364-3787.
Is Karen Armstrong's NPI active?: Yes — Karen Armstrong's NPI (1982645628) is active in the NPPES registry as of the last update on 2009-03-31.

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

Provider details

Practice location

Mailing address

Specialties & taxonomies

Profile Score

Registry dates

Frequently asked questions

Specialties & taxonomies

Profile Score

Frequently asked questions