Thomas Anthony Hessling, M.D.
Psychiatry Physician · San Diego, CA
Thomas Anthony Hessling, M.D. is a psychiatry physician with a practice address in San Diego, California, and NPI 1972659191, issued on Jan 29, 2007. Check the license (California G39433, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Thomas Anthony Hessling
- Credential
- M.D.
- Primary taxonomy
- Psychiatry Physician 2084P0800X
- License number
- G39433 CA
Self-reported in NPPES; status is on the state search - Practice location
- 7850 Vista Hill Ave, San Diego, CA 92123
- Phone
- (619) 297-4241
- Enumerated
- Jan 29, 2007
- Record last updated
- Aug 23, 2023
- Fax
- (619) 297-7633
- Medicaid ID
- 00G394330 CA
- Medicare enrollment
- Enrolled (PECOS I20100503000132); accepts Medicare assignment
- Medical or professional school
- Saint Louis University School Of Medicine, 1977
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest psychiatry physician records → All 8,673 in California → Look up another NPI →
Also registered at 7850 Vista Hill Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Lisette Alder, LMFTMarriage & Family Therapist1194558775
- Vicky Borck, D.O.Psychiatry Physician1306939038
- John Borman, M.D.Psychiatry Physician1669508727
- Mary Beth Bryan, PSYDClinical Psychologist1417134347
- Nadia Bukar, PMHNP-BCPsychiatric/Mental Health Nurse Practitioner1982979340
- Paulette Cazares, M.D., MPHInternal Medicine Physician1710927470
Verify Thomas Anthony Hessling in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license G39433Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
6% fewer Medicare Part D claims than the average psychiatry physician in 2024
941 Medicare Part D claims for 32 beneficiaries, against an average of 1,000 among the 35,054 providers of this specialty who prescribed in Part D. Brand-name drugs were 6% of claims.
Most prescribed
- Trazodone Hcl94 claims
- Clozapine84 claims
- Risperidone77 claims
- Quetiapine Fumarate61 claims
- Lorazepam49 claims
- Benztropine Mesylate35 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Thomas Anthony Hessling among 8,673 psychiatry physician records in California
Thomas Anthony Hessling, M.D. is one of 8,673 psychiatry physician records with a practice address in California. 67% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2007, is newer than 33% of them.
- NPI issued2007 · 33% of these records are older, 48% newer
- In a Medicare fileYes · 67% of these records are
- In the CMS Doctors and Clinicians fileYes · 38% of these records are
- Graduated1977 · median 2005 among the 3,295 with a school on file
- Record last updated2023 · 54% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2084P0800X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Psychiatry Physician providers in California
There are 8,673 psychiatry physician records in California.
All 8,673 in California → Every provider in San Diego → Psychiatry Physician nationwide →
The 8 psychiatry physician records with the nearest ZIP codes
- John Aldous, MDSan Diego, CA 921231831245414
- Vicky Borck, D.O.San Diego, CA 921231306939038
- Camellia Clark, M.D.San Diego, CA 921231174624399
- Nicodemus Garcia, MDSan Diego, CA 921231669478400
- Daniel Gardner, MDSan Diego, CA 921231134103591
- Asher Gorelik, M.D.San Diego, CA 921231902910649
- Syed Jafar, M.D.San Diego, CA 921231164437521
- Sandra Lee, M.D.San Diego, CA 921231205975729
Common questions
What is Thomas Anthony Hessling, M.D.'s NPI number?
Thomas Anthony Hessling, M.D.'s National Provider Identifier (NPI) is 1972659191, issued on Jan 29, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Thomas Anthony Hessling, M.D. located?
The NPPES record lists a practice address at 7850 Vista Hill Ave, San Diego, CA, 92123. Phone: (619) 297-4241. Providers update this record themselves, so call before visiting.
How can I verify Thomas Anthony Hessling, M.D.'s license?
NPPES lists California license number G39433, as entered by the provider. Search the Medical Board of California at https://www.mbc.ca.gov/License-Verification/default.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Thomas Anthony Hessling, M.D. prescribe under Medicare Part D?
In 2024, Thomas Anthony Hessling, M.D. had 941 Medicare Part D claims for 32 beneficiaries; the average among psychiatry physician prescribers was 1,000. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.