Tzvetan Tzvetanov, Internal Medicine, LLC
NPI 1447237854 · Internal Medicine Physician · North Andover, MA
Tzvetan Tzvetanov, Internal Medicine, LLC is a Internal Medicine Physician organization in North Andover, MA (NPI 1447237854).
Provider details
- NPI number
- 1447237854
- Entity type
- Organization
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Organization subpart
- No
- Authorized official
- Lisa Albetski, Assistant(978) 688-1042
Specialties & taxonomies
Allopathic & Osteopathic Physicians
- Internal Medicine Physician207R00000X
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
- 2005-12-28
- Last updated
- 2011-05-11
Frequently asked questions
- What is Tzvetan Tzvetanov, Internal Medicine, LLC's NPI number?
- Tzvetan Tzvetanov, Internal Medicine, LLC's National Provider Identifier (NPI) is 1447237854, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Tzvetan Tzvetanov, Internal Medicine, LLC?
- Tzvetan Tzvetanov, Internal Medicine, LLC is classified in the NPPES registry as Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Tzvetan Tzvetanov, Internal Medicine, LLC located?
- Tzvetan Tzvetanov, Internal Medicine, LLC's practice location on file with NPPES is 565 Turnpike Street, North Andover, MA 01845-5936.
- What is Tzvetan Tzvetanov, Internal Medicine, LLC's phone number?
- The practice phone number listed in the NPPES registry for Tzvetan Tzvetanov, Internal Medicine, LLC is (978) 722-1967.
- Who is the authorized official for Tzvetan Tzvetanov, Internal Medicine, LLC?
- The authorized official listed on Tzvetan Tzvetanov, Internal Medicine, LLC's NPPES record is Lisa Albetski, Assistant. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Tzvetan Tzvetanov, Internal Medicine, LLC's NPI active?
- Yes — Tzvetan Tzvetanov, Internal Medicine, LLC's NPI (1447237854) is active in the NPPES registry as of the last update on 2011-05-11.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.