What is Mark Greenberg's NPI number?

Mark Greenberg's National Provider Identifier (NPI) is 1982793931, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.

What is Mark Greenberg's specialty?

Mark Greenberg is listed in the NPPES registry with a primary specialty of Specialist (Other Service Providers).

Where is Mark Greenberg located?

Mark Greenberg's practice location on file with NPPES is 638 N Main St, Ashland, OR 97520-1887.

What is Mark Greenberg's phone number?

The practice phone number listed in the NPPES registry for Mark Greenberg is (541) 482-1712.

Is Mark Greenberg's NPI active?

Yes — Mark Greenberg's NPI (1982793931) is active in the NPPES registry as of the last update on 2007-07-08.

IndividualActive

Mark Greenberg, M.D.

NPI 1982793931 · Specialist · Ashland, OR

Mark Greenberg, M.D. is a Specialist provider in Ashland, OR (NPI 1982793931).

Provider details

NPI number: 1982793931
Entity type: Individual
Primary specialty: SpecialistOther Service Providers
Credential: M.D.
Sex: Male
Sole proprietor: Yes
License: 18140 (OR)

Practice location

638 N Main St

Ashland, OR 97520-1887

Phone: (541) 482-1712

Fax: (541) 482-1777

Street-level locationGet directions

More OR providers

Mailing address

638 N Main St

Ashland, OR 97520-1887

Specialties & taxonomies

SpecialistPrimary174400000XLicense 18140 (OR)
Other Service 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: 2006-10-11
Last updated: 2007-07-08

Frequently asked questions

What is Mark Greenberg's NPI number?: Mark Greenberg's National Provider Identifier (NPI) is 1982793931, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
What is Mark Greenberg's specialty?: Mark Greenberg is listed in the NPPES registry with a primary specialty of Specialist (Other Service Providers).
Where is Mark Greenberg located?: Mark Greenberg's practice location on file with NPPES is 638 N Main St, Ashland, OR 97520-1887.
What is Mark Greenberg's phone number?: The practice phone number listed in the NPPES registry for Mark Greenberg is (541) 482-1712.
Is Mark Greenberg's NPI active?: Yes — Mark Greenberg's NPI (1982793931) 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