Dr. Thomas Anthony Hessling, MD

  • San Diego, CA
  • Psychiatrist
NPI1972659191PAC ID2961530589
Medicare services, 2024
821
Medicare patients, 2024
29
Part D claims, 2024
941
Publications
2
Hospital affiliations
2
Practice address
7850 Vista Hill Avenue, San Diego, CA 92123
Practice phone
Call (858) 278-4110
Professional email
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Personal email
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Mobile number
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Social profiles

Primary practice

Sharp Mesa Vista Hospital

Hospital · San Diego, California

See all 4 affiliations

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Dr. Thomas Anthony Hessling is a psychiatrist in San Diego, California

Dr. Hessling practices at Sharp Mesa Vista Hospital in San Diego, California, part of Sharp HealthCare.

Dr. Hessling's NPI, 1972659191, was assigned on January 29, 2007. Dr. Hessling graduated from Saint Louis University School Of Medicine in 1977. Dr. Hessling holds California license G39433.

NPI and contact details
Medicare PAC ID
2961530589
NPI enumeration date
January 29, 2007
NPI status
Active
Accepts Medicare assignment
Yes
Offers telehealth
Yes
Practice phone
(858) 278-4110
Professional email
Get email
Personal email
Get email
Mobile number
Get number
Sex
Male
Estimated age
75
Medical school graduation
1977

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)

Dr. Thomas Anthony Hessling practices at Sharp Mesa Vista Hospital in San Diego, California

Dr. Hessling's primary practice is Sharp Mesa Vista Hospital, at 7850 Vista Hill Avenue, San Diego, CA 92123 in San Diego County. The practice phone is (858) 278-4110.

Source: Dmand AI Affiliation Data

Dr. Thomas Anthony Hessling is affiliated with 3 sites of care and 1 medical group

Dr. Hessling's primary practice is Sharp Mesa Vista Hospital in San Diego, California, part of Sharp HealthCare. Dr. Hessling is also affiliated with Sharp Memorial Hospital. The medical group on file is Emergency and Acute Care Medical Corporation. Dmand AI also links Dr. Hessling to 1 more physician office, named with a free account.

See all 4 affiliations for Dr. Hessling

Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data

Dmand AI tracks the EHR system at Dr. Thomas Anthony Hessling's practice

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Hessling practices, 3 sites in all. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
Sharp Mesa Vista HospitalAvailable with a free account
+2 more affiliated sitesAvailable with a free account

Source: Dmand AI Technology Install Data

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Dmand AI maps EHR vendors, IT decision makers and buying committees across Sharp HealthCare and 6.2K+ hospitals, with verified contacts in the same login.

Dr. Thomas Anthony Hessling is one of 6,803 psychiatrists in California

Psychiatry is Dr. Hessling's primary specialty in the NPI Registry, under taxonomy code 2084P0800X. Dr. Hessling is board certified in psychiatry by the American Board of Psychiatry and Neurology. Dmand AI has Dr. Hessling's licenses on file in 2 states: California and South Carolina.

Specialties and state licenses

  • Psychiatry, CaliforniaPrimaryLicense G39433 · 1979 to 2027 · taxonomy 2084P0800X
  • South Carolina license1972

Clinical focus

Dmand AI lists adjustment disease, bipolar disorder, depression and schizophrenia among the conditions Dr. Hessling treats.

Psychiatrists near Dr. Hessling

Counts of psychiatrists with a Dmand AI profile, by place and practice. Each opens the list.

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks

Dr. Thomas Anthony Hessling billed Medicare for 821 services in 2024

CMS data shows 821 Medicare services from Dr. Hessling across 2 procedure codes in 2024, all of them office visits, for 29 Medicare patients. Medicare paid $55,718 for them. Every service was in a facility, such as a hospital, rather than an office.

Medicare services, 2024821
Medicare patients29
Paid by Medicare$55,718
Procedure codes2

Dr. Hessling's Medicare services by type, 2023 to 2024

  • 2023
  • 2024
Office and hospital visits
2023: 9132024: 82110%

Dr. Hessling compared with the California median for psychiatrists, 2024

  • Dr. Hessling
  • California median
Medicare services
821vs 1196.9 times
Medicare patients
29vs 4129% below
Part D claims
834vs 1445.8 times

Medians across 6,809 psychiatrists in California with Dmand AI profiles that report each measure.

Dr. Hessling's most billed Medicare procedure codes, 2024

CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.

See all procedures by Dr. Hessling

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Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks

Dr. Thomas Anthony Hessling treated 29 Medicare patients in 2024, average age 63

CMS counts 29 Medicare patients who saw Dr. Hessling in 2024. The largest group is under 65, with 14 patients. 75% of them have schizophrenia and other psychoses, and 66% have high cholesterol. Their average risk score is 1.46, where 1.00 is the Medicare average.

Across all payers, Dmand AI patient panel data puts Dr. Hessling's median patient age at 68, with 62% women.

Medicare patients, 202429
Average age63
Average risk score1.46

Dr. Hessling's Medicare patients by age, 2024

CMS leaves out age groups with fewer than 11 patients.

Dr. Hessling's Medicare patients by sex, 2024

  • Women1759%
  • Men1241%

Chronic conditions among Dr. Hessling's Medicare patients, 2024

  1. Schizophrenia and other psychoses75%
  2. High cholesterol66%
  3. Mood disorders66%
  4. High blood pressure59%
  5. Depression52%
  6. Anxiety48%
  7. Diabetes45%
  8. Arthritis41%

Share of Medicare patients with each condition. A patient can have several.

Dr. Hessling's patients across all payers

Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.

Patient panel by age, all payers

Median age 68

Patient panel by sex, all payers

  • Women62%
  • Men38%

Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data

Dr. Thomas Anthony Hessling wrote 941 Medicare Part D claims in 2024

In 2024, Dr. Hessling wrote 941 Medicare Part D claims for 32 patients. 94% of them were for generic drugs. CMS names the drug for 834 of them, across 30 drugs with 11 or more claims each, at $151,223 in total drug cost. In 2023, CMS named 1,061 claims across 36 drugs.

Part D claims, 2024941
Drugs named by CMS30
Total drug cost$151,223
Part D patients32

Dr. Hessling's Part D claims by kind of drug, 2024

  • Generic883 claims94%
  • Brand-name58 claims6%

Dr. Hessling's most prescribed drugs by claims, 2024

CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.

Drug classes CMS tracks in Dr. Hessling's Part D claims, 2024

  • Antipsychotics, patients 65 and over14%136 of 941 claims

Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.

Part D claims for drugs CMS names, 2023 to 2024

  • 2023
  • 2024
Claims for drugs CMS names
2023: 1,0612024: 83421%

Drugs named by CMS: 30 in 2024, 36 in 2023.

See all prescribing by Dr. Hessling

Sources: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026; and Medicare Part D Prescribers - by Provider (CMS), 2024 data

Dr. Thomas Anthony Hessling offers telehealth to Medicare patients

Dr. Hessling accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Hessling as offering telehealth.

Accepts Medicare assignment
Yes
Offers telehealth
Yes

Source: Doctors and Clinicians National Downloadable File (CMS)

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Dr. Thomas Anthony Hessling has 2 publications on record

Dmand AI links 2 papers to Dr. Hessling in 2011. Dr. Hessling's most frequent co-author is Michael E. Roth, MD.

Papers2

Dr. Hessling's most frequent co-authors

Recent publications by Dr. Hessling

See all 2 publications and co-authors

See who Dr. Hessling researches with

Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Hessling works with, so you can find a warm path to the right psychiatrists.

How network discovery works

Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage

Dr. Thomas Anthony Hessling received $212 in industry payments from 2016 to 2023

CMS Open Payments shows 10 general payments to Dr. Hessling from 4 drug and device companies from 2016 to 2023. Food and beverage make up the largest share, 100% of the total. Sunovion Pharmaceuticals Inc. paid the most, $130.

General payments to Dr. Hessling by program year, 2016 to 2023

Companies that paid Dr. Hessling the most, 2016 to 2023

Share is of all general payments to this clinician.

See all payments to Dr. Hessling

Source: Open Payments (CMS), 2025 data, released July 7, 2026

Dr. Thomas Anthony Hessling graduated from Saint Louis University School Of Medicine

Dr. Hessling graduated from Saint Louis University School Of Medicine in 1977.

  1. Medical schoolSaint Louis University School Of Medicine
  2. Board certified in psychiatryAmerican Board of Psychiatry and Neurology

Source: Dmand AI Professional Profile Data

Dr. Thomas Anthony Hessling accepts plans from 6 insurance carriers

Dr. Hessling is in network with 6 carriers, including Blue Cross Blue Shield of Michigan, Blue Cross Blue Shield of Massachusetts and HCSC. Medicare plans come from the most carriers, 6. Check the plan with the practice before a visit.

  • Blue Cross Blue Shield of Michigan
  • Blue Cross Blue Shield of Massachusetts
  • HCSC
  • Regence Health Plans
  • CMS Medicare
  • United Healthcare

Plan types Dr. Hessling accepts, by number of carriers

  1. Medicare6
  2. PPO4
  3. HMO1
  4. POS1

Source: Dmand AI Insurance Network Data

Sources for Dr. Thomas Anthony Hessling's profile data

Sources for the data on this page
Data on this pageSource
NPI, name, sex, specialty and licensesNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data
Practice locations and phoneDmand AI Affiliation Data
Primary practice, affiliations and health systemDmand AI Affiliation DataDmand AI Org Hierarchy Data
Medicare services and procedure codesMedicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab)
State medians for the same specialtyDmand AI Peer Benchmarks
Medicare patients and the all-payer patient panelDmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab)
Part D prescribingMedicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab)Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab)
MIPS scores, telehealth, assignment and procedure percentilesDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab)
Publications, topics and co-authorsPubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage
Industry paymentsOpen Payments (CMS) (opens in a new tab)
Training, board certification and membershipsDmand AI Professional Profile Data
Insurance carriers and plan typesDmand AI Insurance Network Data
EHR at each practice siteDmand AI Technology Install Data
Similar physiciansDmand AI Affiliation Data

Data last refreshed October 2026Report an inaccuracyRemove my information

FAQ

Frequently asked questions about Dr. Thomas Anthony Hessling

Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.

What is Dr. Thomas Anthony Hessling's NPI number?

Dr. Thomas Anthony Hessling's NPI number is 1972659191. It was assigned on January 29, 2007, and it is active in the NPI Registry.

What kind of doctor is Dr. Thomas Anthony Hessling?

Dr. Thomas Anthony Hessling is a psychiatrist in San Diego, California. The primary specialty in the NPI Registry is Psychiatry Physician (taxonomy code 2084P0800X).

Where does Dr. Thomas Anthony Hessling practice?

Dr. Hessling practices at 7850 Vista Hill Avenue, San Diego, CA 92123. Dr. Hessling's primary practice is Sharp Mesa Vista Hospital in San Diego, California, part of Sharp HealthCare. Dmand AI also links Dr. Hessling to 1 physician office.

What is Dr. Thomas Anthony Hessling's office phone number?

The practice phone on file for Dr. Hessling is (858) 278-4110.

What is Dr. Thomas Anthony Hessling's medical license number?

Dr. Hessling holds California license G39433, one of the licenses on file in 2 states.

Which states has Dr. Thomas Anthony Hessling been licensed in?

Dmand AI has state licenses on file for Dr. Hessling in California (1979 to 2027) and South Carolina (1972).

Which hospitals is Dr. Thomas Anthony Hessling affiliated with?

Dr. Hessling practices at Sharp Mesa Vista Hospital in San Diego, California. Dr. Hessling is also affiliated with Sharp Memorial Hospital.

What medical group is Dr. Thomas Anthony Hessling part of?

Dr. Hessling is linked to Emergency and Acute Care Medical Corporation.

Does Dr. Thomas Anthony Hessling accept Medicare?

Yes. CMS data shows Dr. Hessling billed Medicare for 821 services in 2024, and Dr. Hessling accepts Medicare assignment.

Does Dr. Thomas Anthony Hessling offer telehealth?

Yes. The CMS Doctors and Clinicians file lists Dr. Hessling as offering telehealth services.

Show 10 more questionsShow fewer questions

How many Medicare patients does Dr. Thomas Anthony Hessling see?

CMS counts 29 Medicare patients who saw Dr. Hessling in 2024, with an average age of 63.

Is Dr. Thomas Anthony Hessling board certified?

Yes. Dr. Hessling is board certified in psychiatry by the American Board of Psychiatry and Neurology.

What services does Dr. Thomas Anthony Hessling bill to Medicare?

In 2024, Dr. Hessling's most billed Medicare services were office visit, established patient (99214) and office visit, established patient (99213).

Where did Dr. Thomas Anthony Hessling go to medical school?

Dr. Hessling graduated from Saint Louis University School Of Medicine in 1977.

What drugs does Dr. Thomas Anthony Hessling prescribe most?

In 2024 Medicare Part D data, Dr. Hessling's most prescribed drugs by claims were Trazodone HCl, Clozapine and Risperidone.

Has Dr. Thomas Anthony Hessling received payments from drug or device companies?

CMS Open Payments shows $212 in general payments to Dr. Hessling from 4 companies from 2016 to 2023. The largest total came from Sunovion Pharmaceuticals Inc.

How long has Dr. Thomas Anthony Hessling been practicing?

Dr. Hessling graduated from medical school in 1977, 49 years ago.

Does Dr. Thomas Anthony Hessling do research?

Dmand AI links 2 publications to Dr. Hessling.

Who does Dr. Thomas Anthony Hessling publish with?

Dr. Hessling's most frequent co-authors are Michael E. Roth, MD (2 shared papers).

What insurance does Dr. Thomas Anthony Hessling accept?

Dr. Hessling is in network with 6 carriers, including Blue Cross Blue Shield of Michigan, Blue Cross Blue Shield of Massachusetts and HCSC. Medicare plans come from the most carriers, 6. Check the plan with the practice before a visit.

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