What is Mark Friemel's NPI number?

Mark Friemel's National Provider Identifier (NPI) is 1801687843, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.

What is Mark Friemel's specialty?

Mark Friemel is listed in the NPPES registry with a primary specialty of General Practice Registered Nurse (Nursing Service Providers).

Where is Mark Friemel located?

Mark Friemel's practice location on file with NPPES is 8921 S Mingo Rd, Tulsa, OK 74133-5841.

What is Mark Friemel's phone number?

The practice phone number listed in the NPPES registry for Mark Friemel is (918) 252-8000.

Is Mark Friemel's NPI active?

Yes — Mark Friemel's NPI (1801687843) is active in the NPPES registry as of the last update on 2026-04-08.

IndividualActive

Mark Friemel, RN

NPI 1801687843 · General Practice Registered Nurse · Tulsa, OK

Mark Friemel, RN is a General Practice Registered Nurse provider in Tulsa, OK (NPI 1801687843).

Provider details

NPI number: 1801687843
Entity type: Individual
Primary specialty: General Practice Registered NurseNursing Service Providers
Credential: RN
Sex: Male
Sole proprietor: Yes
License: 8050832 (OK)

Specialties & taxonomies

General Practice Registered NursePrimary163WG0000XLicense 8050832 (OK)
Nursing Service Providers

Profile Score

Established profile(54/100 index)

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

Registry tenure38% of score
1 yr 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.

Practice location

8921 S Mingo Rd

Tulsa, OK 74133-5841

Phone: (918) 252-8000

Street-level locationGet directions

More OK providers

Mailing address