THOMAS A HESSLING M D INC
NPI 1407172463
Psychiatry & Neurology - Psychiatry in San Diego, CA

Q: What is Thomas A Hessling M D Inc's NPI number?

The NPI number for Thomas A Hessling M D Inc is 1407172463. It was assigned to this organization in the NPPES registry on April 15, 2010.

Q: What is Thomas A Hessling M D Inc's specialty?

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

Active since April 15, 2010

7850 VISTA HILL AVE, SAN DIEGO, CA 92123(619) 297-4241(619) 297-7633 Get Directions Write a Review

NPPES record last updated: September 5, 2023. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Sep 5, 2023, Feb 21, 2022 (2 updates tracked since 2022).

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About Thomas A Hessling M D Inc NPPES

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

THOMAS A HESSLING M D INC (NPI 1407172463) is a healthcare organization registered as a psychiatry in San Diego, California and active in the NPI registry since April 2010. The organization lists Thomas Anthony Hessling, Ceo, as its authorized official.

NPPES Registry Identity

NPI1407172463

Entity TypeOrganization

Primary Taxonomy2084P0800X

Legal Business NameTHOMAS A HESSLING M D INC

Location Address7850 VISTA HILL AVESan Diego, CA 92123-2717

Mailing Address7850 Vista Hill AveSan Diego, CA 92123-2717 · (619) 297-4241 · Fax (619) 297-7633

Phone(619) 297-4241

Fax(619) 297-7633

Organization SubpartNo

Authorized OfficialThomas Anthony HesslingCeo · (619) 297-4241

Enumeration DateApril 15, 2010

Last NPPES UpdateSeptember 5, 20232 updates tracked since enumeration

NPPES CertifiedSeptember 5, 2023

✔ NPI 1407172463 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPsychiatry & Neurology · PsychiatryAllopathic & Osteopathic Physicians

Taxonomy Code2084P0800X

License✔ Licensed in CA · G39433

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.

7850 VISTA HILL AVE, San Diego, CA 92123

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Other Identifiers 1

Medicaid00G394330CA

Group Practice 1

Group TaxonomyThis provdier is a business group of one or more individual practitioners, all of who practice with the same area of specialization.193400000X SINGLE SPECIALTY GROUP

Medicare Participation & PECOS CMS

Medicare enrollment and the clinicians who bill Medicare through this organization, from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Thomas A Hessling M D Inc is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Clinicians Billing Medicare Through This Organization

Medicare enrollment records show 1 clinician reassigns Medicare billing to Thomas A Hessling M D Inc, which bills Medicare for the services this clinician delivers.

Clinician (1)

Thomas Hessling, M.D.

Psychiatry

NPI 1972659191

7850 VISTA HILL AVE
San Diego, CA 92123

(619) 297-4241

✔ PECOS✔ Accepts MedicareSame address

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

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 Thomas A Hessling M D Inc's NPI number?

The NPI number for Thomas A Hessling M D Inc is 1407172463. It was assigned to this organization in the NPPES registry on April 15, 2010.

Where is Thomas A Hessling M D Inc located?

Thomas A Hessling M D Inc is located at 7850 Vista Hill Ave, San Diego, CA 92123. The listed phone number is (619) 297-4241.

What is Thomas A Hessling M D Inc's specialty?

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

Is Thomas A Hessling M D Inc enrolled in Medicare?

Yes. Thomas A Hessling M D Inc is registered in the Medicare PECOS enrollment system.

How many clinicians bill Medicare through Thomas A Hessling M D Inc?

According to the CMS Revalidation Reassignment List (October 2026 release), 1 clinician (Psychiatry) reassigns their Medicare billing to Thomas A Hessling M D Inc. A reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for the clinician's services. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

When was this NPI record last updated?

The NPPES record for Thomas A Hessling M D Inc was last updated on September 5, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 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.