CHRISTOPHER SINCLAIR BARNET HAMMEL MD, MPH
NPI 1821445412
Psychiatry & Neurology - Psychiatry in Hartford, CT

Q: What is Christopher Hammel's NPI number?

The NPI number for Christopher Hammel is 1821445412. It was assigned to this individual provider in the NPPES registry on May 24, 2016.

Q: What is Christopher Hammel's specialty?

The primary specialty registered for this NPI is Psychiatry & Neurology, specializing in Psychiatry, with taxonomy code 2084P0800X.

Q: Is Christopher Hammel enrolled in Medicare?

No. Christopher Hammel has opted out of Medicare through April 1, 2027. Care is provided under private contracts, and Medicare does not pay for services furnished by providers who have opted out.

Active since May 24, 2016Opted out of Medicare · through Apr 1, 2027

674 PROSPECT AVE STE 5, HARTFORD, CT 06105(860) 773-0808(860) 600-7943 Get Directions Write a Review

NPPES record last updated: November 30, 2021. Verified against the NPPES registry weekly; last sync: August 30, 2026.

Record update history: Nov 30, 2021, Jul 13, 2020, May 17, 2018 (3 updates tracked since 2018).

On this page

About Christopher Sinclair Barnet Hammel Md, Mph NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

CHRISTOPHER SINCLAIR BARNET HAMMEL MD, MPH (NPI 1821445412) is an individual psychiatry provider in Hartford, Connecticut, licensed in Connecticut (62103) and active in the NPI registry since May 2016. He has opted out of Medicare through April 1, 2027.

NPPES Registry Identity

NPI1821445412

Entity TypeIndividualMale

Primary Taxonomy2084P0800X

Provider Legal NameCHRISTOPHER SINCLAIR BARNET HAMMELCredential: MD, MPH

Location Address674 PROSPECT AVE STE 5Hartford, CT 06105-4288

Mailing Address674 Prospect Ave Ste 5Hartford, CT 06105-4288 · (860) 773-0808 · Fax (860) 600-7943

Phone(860) 773-0808

Fax(860) 600-7943

Sole ProprietorYes

Enumeration DateMay 24, 2016

Last NPPES UpdateNovember 30, 20213 updates tracked since enumeration

NPPES CertifiedNovember 30, 2021

✔ NPI 1821445412 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyPsychiatry & Neurology · PsychiatryAllopathic & Osteopathic Physicians

Taxonomy Code2084P0800X

Licenses✔ Licensed in CT · 62103✔ Licensed in CT · 057501

Definition

A Psychiatrist specializes in the prevention, diagnosis, and treatment of mental disorders, emotional disorders, psychotic disorders, mood disorders, anxiety disorders, substance-related disorders, sexual and gender identity disorders and adjustment disorders. Biologic, psychological, and social components of illnesses are explored and understood in treatment of the whole person. Tools used may include diagnostic laboratory tests, prescribed medications, evaluation and treatment of psychological and interpersonal problems with individuals and families, and intervention for coping with stress, crises, and other problems.

Also ListedStudent in an Organized Health Care Education/Training ProgramTaxonomy 390200000X

674 PROSPECT AVE STE 5, Hartford, CT 06105

Open in Google Maps ↗

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

ⓘ

Opted out of Medicare

Christopher Sinclair Barnet Hammel Md, Mph has filed a Medicare opt-out affidavit. Services are provided under private contract between the provider and the patient, and are not billed to or reimbursed by Medicare. The opt-out is on file from April 1, 2021 through April 1, 2027.

Opt-Out Effective DateApril 1, 2021

Opt-Out In Effect ThroughApril 1, 2027Opt-out affidavits renew automatically every two years unless cancelled

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Christopher Hammel's NPI number?

The NPI number for Christopher Hammel is 1821445412. It was assigned to this individual provider in the NPPES registry on May 24, 2016.

Where is Christopher Hammel located?

Christopher Hammel practices at 674 Prospect Ave Ste 5, Hartford, CT 06105. The listed phone number is (860) 773-0808.

What is Christopher Hammel's specialty?

The primary specialty registered for this NPI is Psychiatry & Neurology, specializing in Psychiatry, with taxonomy code 2084P0800X.

Is Christopher Hammel enrolled in Medicare?

No. Christopher Hammel has opted out of Medicare through April 1, 2027. Care is provided under private contracts, and Medicare does not pay for services furnished by providers who have opted out.

When was this NPI record last updated?

The NPPES record for Christopher Hammel was last updated on November 30, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.