Tzvetan Tzvetanov, M.D.
NPI 1417938069 · Internal Medicine Physician · North Andover, MA
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Tzvetan Tzvetanov, M.D. is a Internal Medicine Physician provider in North Andover, MA (NPI 1417938069).
Provider details
- NPI number
- 1417938069
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- 204641 (MA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure33% of score
20 yrs in NPPES registry
- Profile completeness33% of score
100% of core fields populated
- Practice footprint20% of score
1 documented practice location
- Open Payments transparency13% of score
Has Open Payments disclosures (2024)
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.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 49 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 89 | 29 |
| Rosuvastatin Calcium | 69 | 23 |
| Levothyroxine Sodium | 67 | 21 |
| Gabapentin | 47 | 17 |
| Metformin Hcl | 45 | 16 |
| Metformin Hclbrand: Metformin Hcl Er | 41 | 11 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$770 across 42 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Registry dates
- Enumerated
- 2005-11-10
- Last updated
- 2020-11-17
- Certified
- 2020-11-17
Frequently asked questions
- What is Tzvetan Tzvetanov's NPI number?
- Tzvetan Tzvetanov's National Provider Identifier (NPI) is 1417938069, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Tzvetan Tzvetanov's specialty?
- Tzvetan Tzvetanov is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Tzvetan Tzvetanov located?
- Tzvetan Tzvetanov's practice location on file with NPPES is 790 Turnpike St Ste 300, North Andover, MA 01845-6129.
- What is Tzvetan Tzvetanov's phone number?
- The practice phone number listed in the NPPES registry for Tzvetan Tzvetanov is (978) 687-2273.
- Does Tzvetan Tzvetanov accept Medicare?
- Tzvetan Tzvetanov is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Tzvetan Tzvetanov's NPI active?
- Yes — Tzvetan Tzvetanov's NPI (1417938069) is active in the NPPES registry as of the last update on 2020-11-17.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.