Christopher Hammel, MD, MPH
NPI 1821445412 · Psychiatry Physician · Hartford, CT
Christopher Hammel, MD, MPH is a Psychiatry Physician provider in Hartford, CT (NPI 1821445412).
Provider details
- NPI number
- 1821445412
- Entity type
- Individual
- Primary specialty
- Psychiatry PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD, MPH
- Sex
- Male
- Sole proprietor
- Yes
- License
- 057501 (CT)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Student, Health Care
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
10 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 · 9 distinct drugs on file.
| Drug | Part D claims (2024) |
|---|---|
| Bupropion Hclbrand: Bupropion Xl | 18 |
| Gabapentin | 16 |
| Trazodone Hcl | 16 |
| Mirtazapine | 14 |
| Dextroamphetamine/Amphetaminebrand: Dextroamphetamine-Amphetamine | 14 |
| Lithium Carbonatebrand: Lithium Carbonate Er | 13 |
| Olanzapine | 13 |
| Venlafaxine Hclbrand: Venlafaxine Hcl Er | 13 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2016-05-24
- Last updated
- 2021-11-30
- Certified
- 2021-11-30
Frequently asked questions
- What is Christopher Hammel's NPI number?
- Christopher Hammel's National Provider Identifier (NPI) is 1821445412, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Christopher Hammel's specialty?
- Christopher Hammel is listed in the NPPES registry with a primary specialty of Psychiatry Physician (Allopathic & Osteopathic Physicians).
- Where is Christopher Hammel located?
- Christopher Hammel's practice location on file with NPPES is 674 Prospect Ave Ste 5, Hartford, CT 06105-4288.
- What is Christopher Hammel's phone number?
- The practice phone number listed in the NPPES registry for Christopher Hammel is (860) 773-0808.
- Is Christopher Hammel's NPI active?
- Yes — Christopher Hammel's NPI (1821445412) is active in the NPPES registry as of the last update on 2021-11-30.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.