Timothy Dennen, M.D.
NPI 1225033772 · Family Medicine Physician · Bloomsburg, PA
Enrolled with Medicare as Practitioner - Family Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Timothy Dennen, M.D. is a Family Medicine Physician provider in Bloomsburg, PA (NPI 1225033772).
Provider details
- NPI number
- 1225033772
- Entity type
- Individual
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- MD035289E (PA)
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
21 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.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 79 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 424 | 160 |
| Rosuvastatin Calcium | 261 | 98 |
| Levothyroxine Sodium | 211 | 72 |
| Amlodipine Besylate | 186 | 79 |
| Lisinopril | 186 | 76 |
| Omeprazole | 185 | 69 |
| Metoprolol Succinate |
Practice location
Mailing address
Registry dates
- Enumerated
- 2005-06-20
- Last updated
- 2022-03-16
- Certified
- 2022-03-16
Frequently asked questions
- What is Timothy Dennen's NPI number?
- Timothy Dennen's National Provider Identifier (NPI) is 1225033772, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Timothy Dennen's specialty?
- Timothy Dennen is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Timothy Dennen located?
- Timothy Dennen's practice location on file with NPPES is 240 Mall Blvd, Bloomsburg, PA 17815-8389.
- What is Timothy Dennen's phone number?
- The practice phone number listed in the NPPES registry for Timothy Dennen is (570) 416-5435.
- Does Timothy Dennen accept Medicare?
- Timothy Dennen is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Timothy Dennen's NPI active?
- Yes — Timothy Dennen's NPI (1225033772) is active in the NPPES registry as of the last update on 2022-03-16.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.