Carstensen Internal Medicine PLLC
NPI 1699008102 · Internal Medicine Physician · Key West, FL
Carstensen Internal Medicine PLLC is a Internal Medicine Physician organization in Key West, FL (NPI 1699008102).
Provider details
- NPI number
- 1699008102
- Entity type
- Organization
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Organization subpart
- No
- Authorized official
- John Carstensen, Sole Owner of PLLC(305) 295-6790
- License
- ME105681 (FL)
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
16 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
- 2009-09-15
- Last updated
- 2011-09-11
Frequently asked questions
- What is Carstensen Internal Medicine PLLC's NPI number?
- Carstensen Internal Medicine PLLC's National Provider Identifier (NPI) is 1699008102, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Carstensen Internal Medicine PLLC?
- Carstensen Internal Medicine PLLC is classified in the NPPES registry as Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Carstensen Internal Medicine PLLC located?
- Carstensen Internal Medicine PLLC's practice location on file with NPPES is 2505 Flagler Ave, Key West, FL 33040-3934.
- What is Carstensen Internal Medicine PLLC's phone number?
- The practice phone number listed in the NPPES registry for Carstensen Internal Medicine PLLC is (305) 295-6790.
- Who is the authorized official for Carstensen Internal Medicine PLLC?
- The authorized official listed on Carstensen Internal Medicine PLLC's NPPES record is John Carstensen, Sole Owner of PLLC. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Carstensen Internal Medicine PLLC's NPI active?
- Yes — Carstensen Internal Medicine PLLC's NPI (1699008102) is active in the NPPES registry as of the last update on 2011-09-11.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.