Carolyn a Matzinger MD a Professional Corporation
NPI 1639304116 · Internal Medicine Physician · Susanville, CA
Carolyn a Matzinger MD a Professional Corporation is a Internal Medicine Physician organization in Susanville, CA (NPI 1639304116).
Provider details
- NPI number
- 1639304116
- Entity type
- Organization
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Organization subpart
- No
- Authorized official
- Carolyn Matzinger, Physician(702) 380-1974
- License
- C50852 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
17 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
Mailing address
Registry dates
- Enumerated
- 2009-05-27
- Last updated
- 2009-05-27
Frequently asked questions
- What is Carolyn a Matzinger MD a Professional Corporation's NPI number?
- Carolyn a Matzinger MD a Professional Corporation's National Provider Identifier (NPI) is 1639304116, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Carolyn a Matzinger MD a Professional Corporation?
- Carolyn a Matzinger MD a Professional Corporation is classified in the NPPES registry as Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Carolyn a Matzinger MD a Professional Corporation located?
- Carolyn a Matzinger MD a Professional Corporation's practice location on file with NPPES is 1800 Spring Ridge Dr, Susanville, CA 96130-6100.
- What is Carolyn a Matzinger MD a Professional Corporation's phone number?
- The practice phone number listed in the NPPES registry for Carolyn a Matzinger MD a Professional Corporation is (530) 252-2000.
- Who is the authorized official for Carolyn a Matzinger MD a Professional Corporation?
- The authorized official listed on Carolyn a Matzinger MD a Professional Corporation's NPPES record is Carolyn Matzinger, Physician. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Carolyn a Matzinger MD a Professional Corporation's NPI active?
- Yes — Carolyn a Matzinger MD a Professional Corporation's NPI (1639304116) is active in the NPPES registry as of the last update on 2009-05-27.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.