DR. THOMAS ANTHONY HESSLING M.D.
NPI 1972659191
Psychiatry & Neurology - Psychiatry in San Diego, CA

Q: What is Thomas Hessling's NPI number?

The NPI number for Thomas Hessling is 1972659191. It was assigned to this individual provider in the NPPES registry on January 29, 2007.

Q: What is Thomas Hessling's specialty?

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

Q: When was this NPI record last updated?

The NPPES record for Thomas Hessling was last updated on August 23, 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.

Active since January 29, 2007PECOS EnrolledAccepts Medicare Assignment

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

NPPES record last updated: August 23, 2023. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Aug 23, 2023, Feb 21, 2022 (2 updates tracked since 2022).

On this page

About Dr. Thomas Anthony Hessling M.d. NPPES

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

DR. THOMAS ANTHONY HESSLING M.D. (NPI 1972659191) is an individual psychiatry provider in San Diego, California, licensed in California (G39433) and active in the NPI registry since January 2007. He is enrolled in Medicare PECOS and is a graduate of Saint Louis University School Of Medicine (1977).

NPPES Registry Identity

NPI1972659191

Entity TypeIndividualMale

Primary Taxonomy2084P0800X

Provider Legal NameDR. THOMAS ANTHONY HESSLINGCredential: M.D.

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

Sole ProprietorYes

Medical School CMSSaint Louis University School Of MedicineGraduated 1977

Enumeration DateJanuary 29, 2007

Last NPPES UpdateAugust 23, 20232 updates tracked since enumeration

NPPES CertifiedAugust 23, 2023

✔ NPI 1972659191 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

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Dr. Thomas Anthony Hessling M.d. is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID2961530589

PECOS Enrollment IDI20100503000132

Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Medicare Billing Reassignments

Medicare enrollment records show Thomas Hessling reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Thomas A Hessling M D Inc

Same address

Psychiatry

7850 VISTA HILL AVE
San Diego, CA 92123

Reassigned Medicare billing, California enrollment

NPI 1407172463 (619) 297-4241

Emergency And Acute Care Medical Corporation

0.3 mi

Emergency Medicine

7901 FROST ST
San Diego, CA 92123

Reassigned Medicare billing, California enrollment
1,437 clinicians in this Medicare group

NPI 1437103942 (858) 939-3400

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

Areas of Expertise CMS Part B claims 2

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214

This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.

457 services19 patients

Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more 99213

This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.

364 services21 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 92123 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient

$184.71 typical visit price

range $62.10 – $184.71

Typical copayment $46.17 (range $15.52 – $46.17)

Most-billed visit code 99205

Established Patient

$76.87 typical visit price

range $20.62 – $151.42

Typical copayment $19.21 (range $5.15 – $37.85)

Most-billed visit code 99213

Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

MR. STEPHEN SEWALL CHAPIN MBA, CTRS

Recreation Therapist