Thor Bergersen, M.D.
NPI 1013112796 · Psychiatry Physician · Needham, MA
Thor Bergersen, M.D. is a Psychiatry Physician provider in Needham, MA (NPI 1013112796).
Provider details
- NPI number
- 1013112796
- Entity type
- Individual
- Primary specialty
- Psychiatry PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- 204123 (MA)
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
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.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 16 distinct drugs on file.
| Drug | Part D claims (2024) |
|---|---|
| Duloxetine Hcl | 45 |
| Methylphenidate Hcl | 41 |
| Dextroamphetamine/Amphetaminebrand: Dextroamphetamine-Amphet Er | 39 |
| Dextroamphetamine/Amphetaminebrand: Dextroamphetamine-Amphetamine | 37 |
| Sertraline Hcl | 34 |
| Lorazepam | 31 |
| Memantine Hcl | 31 |
| Bupropion Hclbrand: Bupropion Xl |
Practice location
Mailing address
Registry dates
- Enumerated
- 2007-06-20
- Last updated
- 2007-07-08
Frequently asked questions
- What is Thor Bergersen's NPI number?
- Thor Bergersen's National Provider Identifier (NPI) is 1013112796, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Thor Bergersen's specialty?
- Thor Bergersen is listed in the NPPES registry with a primary specialty of Psychiatry Physician (Allopathic & Osteopathic Physicians).
- Where is Thor Bergersen located?
- Thor Bergersen's practice location on file with NPPES is 75 2nd Ave, Needham, MA 02494-2820.
- What is Thor Bergersen's phone number?
- The practice phone number listed in the NPPES registry for Thor Bergersen is (781) 726-6698.
- Is Thor Bergersen's NPI active?
- Yes — Thor Bergersen's NPI (1013112796) is active in the NPPES registry as of the last update on 2007-07-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.