What is Keith Holliday's NPI number?

Keith Holliday's National Provider Identifier (NPI) is 1821130378, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.

What is Keith Holliday's specialty?

Keith Holliday is listed in the NPPES registry with a primary specialty of Registered Nurse (Nursing Service Providers).

Where is Keith Holliday located?

Keith Holliday's practice location on file with NPPES is 1434 Porter St, Frederick, MD 21702-9210.

What is Keith Holliday's phone number?

The practice phone number listed in the NPPES registry for Keith Holliday is (301) 619-0345.

Is Keith Holliday's NPI active?

Yes — Keith Holliday's NPI (1821130378) is active in the NPPES registry as of the last update on 2007-07-08.

IndividualActive

Keith Holliday, R.N.

NPI 1821130378 · Registered Nurse · Frederick, MD

Keith Holliday, R.N. is a Registered Nurse provider in Frederick, MD (NPI 1821130378).

Provider details

NPI number: 1821130378
Entity type: Individual
Primary specialty: Registered NurseNursing Service Providers
Credential: R.N.
Sex: Male
Sole proprietor: No
License: 0001171808 (VA)

Practice location

1434 Porter St

Frederick, MD 21702-9210

Phone: (301) 619-0345

Street-level locationGet directions

More MD providers

Mailing address

125 Seurat Ln

Martinsburg, WV 25401-7683

Specialties & taxonomies

Registered NursePrimary163W00000XLicense 0001171808 (VA)
Nursing Service Providers

Profile Score

Detailed profile(90/100 index)

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

Registry tenure38% of score
19 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: 2007-02-13
Last updated: 2007-07-08

Frequently asked questions

What is Keith Holliday's NPI number?: Keith Holliday's National Provider Identifier (NPI) is 1821130378, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
What is Keith Holliday's specialty?: Keith Holliday is listed in the NPPES registry with a primary specialty of Registered Nurse (Nursing Service Providers).
Where is Keith Holliday located?: Keith Holliday's practice location on file with NPPES is 1434 Porter St, Frederick, MD 21702-9210.
What is Keith Holliday's phone number?: The practice phone number listed in the NPPES registry for Keith Holliday is (301) 619-0345.
Is Keith Holliday's NPI active?: Yes — Keith Holliday's NPI (1821130378) is active in the NPPES registry as of the last update on 2007-07-08.

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