What is Marshall Karp's NPI number?

Marshall Karp's National Provider Identifier (NPI) is 1982804928, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.

What is Marshall Karp's specialty?

Marshall Karp is listed in the NPPES registry with a primary specialty of Contractor (Other Service Providers).

Where is Marshall Karp located?

Marshall Karp's practice location on file with NPPES is 6345 Rustic Ridge Cir Nw, Massillon, OH 44646-9223.

What is Marshall Karp's phone number?

The practice phone number listed in the NPPES registry for Marshall Karp is (330) 327-9866.

Is Marshall Karp's NPI active?

Yes — Marshall Karp's NPI (1982804928) is active in the NPPES registry as of the last update on 2020-01-13.

IndividualActive

Marshall Karp, LPC

NPI 1982804928 · Contractor · Massillon, OH

Marshall Karp, LPC is a Contractor provider in Massillon, OH (NPI 1982804928).

Provider details

NPI number: 1982804928
Entity type: Individual
Primary specialty: ContractorOther Service Providers
Credential: LPC
Sex: Male
Sole proprietor: Yes
License: C-671 (OH)

Practice location

6345 Rustic Ridge Cir Nw

Massillon, OH 44646-9223

Phone: (330) 327-9866

Street-level locationGet directions

More OH providers

Mailing address

6345 Rustic Ridge Cir Nw

Massillon, OH 44646-9223

Specialties & taxonomies

ContractorPrimary171W00000XLicense C-671 (OH)
Other Service Providers

Profile Score

Detailed profile(89/100 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: 2007-07-18
Last updated: 2020-01-13
Certified: 2020-01-13

Frequently asked questions

What is Marshall Karp's NPI number?: Marshall Karp's National Provider Identifier (NPI) is 1982804928, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
What is Marshall Karp's specialty?: Marshall Karp is listed in the NPPES registry with a primary specialty of Contractor (Other Service Providers).
Where is Marshall Karp located?: Marshall Karp's practice location on file with NPPES is 6345 Rustic Ridge Cir Nw, Massillon, OH 44646-9223.
What is Marshall Karp's phone number?: The practice phone number listed in the NPPES registry for Marshall Karp is (330) 327-9866.
Is Marshall Karp's NPI active?: Yes — Marshall Karp's NPI (1982804928) is active in the NPPES registry as of the last update on 2020-01-13.

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