Gregory Sindmack, MD
NPI 1669418695 · Obstetrics & Gynecology Physician · Klamath Falls, OR
Gregory Sindmack, MD is a Obstetrics & Gynecology Physician provider in Klamath Falls, OR (NPI 1669418695).
Provider details
- NPI number
- 1669418695
- Entity type
- Individual
- Primary specialty
- Obstetrics & Gynecology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- MD18004 (OR)
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
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.
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-06-20
- Last updated
- 2007-07-08
Frequently asked questions
- What is Gregory Sindmack's NPI number?
- Gregory Sindmack's National Provider Identifier (NPI) is 1669418695, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Gregory Sindmack's specialty?
- Gregory Sindmack is listed in the NPPES registry with a primary specialty of Obstetrics & Gynecology Physician (Allopathic & Osteopathic Physicians).
- Where is Gregory Sindmack located?
- Gregory Sindmack's practice location on file with NPPES is 2686 Campus Drive, Klamath Falls, OR 97601.
- What is Gregory Sindmack's phone number?
- The practice phone number listed in the NPPES registry for Gregory Sindmack is (541) 882-8829.
- Is Gregory Sindmack's NPI active?
- Yes — Gregory Sindmack's NPI (1669418695) 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.