OrganizationActive
Stephen Pinsk, M.D., Inc.
NPI 1154337822 · Clinical Medical Laboratory · Sebastopol, CA
Stephen Pinsk, M.D., Inc. is a Clinical Medical Laboratory organization in Sebastopol, CA (NPI 1154337822).
Provider details
- NPI number
- 1154337822
- Entity type
- Organization
- Primary specialty
- Clinical Medical LaboratoryLaboratories
- Parent organization
- Stephen Pinsk, M.D., Inc.
- Organization subpart
- Yes
- Authorized official
- Steve Mertens, Owner/Pathologist(707) 829-5883
- License
- CLF3829 (CA)
Specialties & taxonomies
Laboratories
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
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.
Practice location
400 Morris St
Suite H
Sebastopol, CA 95472-3830
Phone: (707) 829-5883
Fax: (707) 829-5895
Street-level locationGet directions
Mailing address
Po Box 1676
Sebastopol, CA 95473-1676
Other names (DBA / former)
- Doing business as
- Pathology Services
Registry dates
- Enumerated
- 2006-08-01
- Last updated
- 2007-10-03
Frequently asked questions
- What is Stephen Pinsk, M.D., Inc.'s NPI number?
- Stephen Pinsk, M.D., Inc.'s National Provider Identifier (NPI) is 1154337822, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Stephen Pinsk, M.D., Inc.?
- Stephen Pinsk, M.D., Inc. is classified in the NPPES registry as Clinical Medical Laboratory (Laboratories).
- Where is Stephen Pinsk, M.D., Inc. located?
- Stephen Pinsk, M.D., Inc.'s practice location on file with NPPES is 400 Morris St, Sebastopol, CA 95472-3830.
- What is Stephen Pinsk, M.D., Inc.'s phone number?
- The practice phone number listed in the NPPES registry for Stephen Pinsk, M.D., Inc. is (707) 829-5883.
- Who is the authorized official for Stephen Pinsk, M.D., Inc.?
- The authorized official listed on Stephen Pinsk, M.D., Inc.'s NPPES record is Steve Mertens, Owner/Pathologist. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Stephen Pinsk, M.D., Inc.'s NPI active?
- Yes — Stephen Pinsk, M.D., Inc.'s NPI (1154337822) is active in the NPPES registry as of the last update on 2007-10-03.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.