Cynthia Poortenga, MD PC
NPI 1922171149 · Primary Care Clinic/Center · Kingsport, TN
Cynthia Poortenga, MD PC is a Primary Care Clinic/Center organization in Kingsport, TN (NPI 1922171149).
Provider details
- NPI number
- 1922171149
- Entity type
- Organization
- Primary specialty
- Primary Care Clinic/CenterAmbulatory Health Care Facilities
- Organization subpart
- No
- Authorized official
- Cynthia Poortenga, President(423) 230-4800
- License
- MD0000017131 (TN)
Specialties & taxonomies
Ambulatory Health Care Facilities
Profile Score
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
Mailing address
Other names (DBA / former)
- Doing business as
- Cynthia Poortenga, MD PC
Registry dates
- Enumerated
- 2006-11-16
- Last updated
- 2008-04-20
Frequently asked questions
- What is Cynthia Poortenga, MD PC's NPI number?
- Cynthia Poortenga, MD PC's National Provider Identifier (NPI) is 1922171149, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Cynthia Poortenga, MD PC?
- Cynthia Poortenga, MD PC is classified in the NPPES registry as Primary Care Clinic/Center (Ambulatory Health Care Facilities).
- Where is Cynthia Poortenga, MD PC located?
- Cynthia Poortenga, MD PC's practice location on file with NPPES is 121 E Ravine Rd, Kingsport, TN 37660-3816.
- What is Cynthia Poortenga, MD PC's phone number?
- The practice phone number listed in the NPPES registry for Cynthia Poortenga, MD PC is (423) 230-4800.
- Who is the authorized official for Cynthia Poortenga, MD PC?
- The authorized official listed on Cynthia Poortenga, MD PC's NPPES record is Cynthia Poortenga, President. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Cynthia Poortenga, MD PC's NPI active?
- Yes — Cynthia Poortenga, MD PC's NPI (1922171149) is active in the NPPES registry as of the last update on 2008-04-20.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.