Dr. Thomas Lee Bosshardt, MD
- Medicare services, 2022
- 114
- Part D claims, 2024
- 11
- Publications
- 2
- Hospital affiliations
- 1
- Industry payments
- $1,921
- Practice address
- 467 El Camino Road, Greenfield, CA 93927
- Practice phone
- Call (831) 674-0112
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Albert and Donna Oliveira Clinic - Greenfield
Rural Health Clinic - Hospital-Owned · Greenfield, California
Find Dr. Bosshardt's professional email, personal email and mobile number
Dmand AI checks each channel through healthcare-specific waterfall enrichment. See what is on file with a free account, with practice phones, licenses and affiliations.
Dr. Thomas Lee Bosshardt is a general surgeon in Greenfield, California
Dr. Bosshardt practices at Albert and Donna Oliveira Clinic - Greenfield in Greenfield, California.
Dr. Bosshardt's NPI, 1104958156, was assigned on March 12, 2007. Dr. Bosshardt graduated from David Geffen School of Medicine at UCLA in 1990. Dr. Bosshardt's California license number on file is G78405.
- NPI
- 1104958156NPI Registry (opens in a new tab)
- Medicare PAC ID
- 2163497413
- NPI enumeration date
- March 12, 2007
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (831) 674-0112
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 62
- Medical school graduation
- 1990
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Thomas Lee Bosshardt practices at Albert and Donna Oliveira Clinic - Greenfield in Greenfield, California
Dr. Bosshardt's primary practice is Albert and Donna Oliveira Clinic - Greenfield, at 467 El Camino Road, Greenfield, CA 93927. The practice phone is (831) 674-0112.
- Albert and Donna Oliveira Clinic - Greenfield467 El Camino Road, Greenfield, CA 93927Phone(831) 674-0112
Source: Dmand AI Affiliation Data
Dr. Thomas Lee Bosshardt is affiliated with 4 sites of care and 2 medical groups
Dr. Bosshardt's primary practice is Albert and Donna Oliveira Clinic - Greenfield in Greenfield, California. Dr. Bosshardt is also affiliated with Mee Memorial Hospital. The medical group on file is Mee Memorial Healthcare System. Dmand AI also links Dr. Bosshardt to 2 more group practices and clinics and 1 medical group, each named with a free account. Dr. Bosshardt's employer is on file too: a rural health clinic (rhc).
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Thomas Lee Bosshardt's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Bosshardt practices, 4 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Albert and Donna Oliveira Clinic - Greenfield | Available with a free account |
| +3 more sites and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Thomas Lee Bosshardt is one of 2,926 general surgeons in California
Surgery is Dr. Bosshardt's primary specialty in the NPI Registry, under taxonomy code 208600000X. Dr. Bosshardt is board certified in surgery by the American Board of Surgery. Dmand AI has Dr. Bosshardt's licenses on file in 4 states: California, Montana, Missouri and Virginia.
Specialties and state licenses
- Surgery, CaliforniaPrimary
- Montana license
- Missouri license
- Virginia license
Clinical focus
Dmand AI lists abdominal hernia repair surgery, appendectomy, chest trauma, colonoscopy, colon removal, gallbladder removal, hemorrhoids and non-surgical back problems among the conditions Dr. Bosshardt treats.
General surgeons near Dr. Bosshardt
Counts of general surgeons 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 Lee Bosshardt billed Medicare for 114 services in 2022
CMS data shows 114 Medicare services from Dr. Bosshardt across 6 procedure codes in 2022. Medicare paid $17,299 for them.
Dr. Bosshardt's Medicare services by type, 2021 to 2022
- 2021
- 2022
- Office and hospital visits
- 2021: 1412022: 10327%
- Surgery
- 2021: 152022: 1127%
Where Dr. Bosshardt's Medicare services took place, 2022
- In an office10390%
- In a facility1110%
Dr. Bosshardt compared with the California median for general surgeons, 2022
- Dr. Bosshardt
- California median
- Medicare services
- 114vs 16631% below
- Part D claims
- 11vs 3468% below
Medians across 2,606 general surgeons in California with Dmand AI profiles that report each measure.
Dr. Bosshardt's most billed Medicare procedure codes, 2022
CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.
Need commercial claims for Dr. Bosshardt?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Bosshardt and other general surgeons in California.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Thomas Lee Bosshardt's patients have a median age of 52
Across all payers, Dmand AI patient panel data puts Dr. Bosshardt's median patient age at 52, with 49% women.
Dr. Bosshardt's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 52
Patient panel by sex, all payers
- Women49%
- Men51%
Source: Dmand AI Patient Panel Data
Dr. Thomas Lee Bosshardt wrote 11 Medicare Part D claims in 2024
In 2024, Dr. Bosshardt wrote 11 Medicare Part D claims for 11 patients. They cover 1 drug, with $111 in total drug cost. In 2022, CMS named 82 claims across 4 drugs.
Dr. Bosshardt's most prescribed drugs by claims, 2023
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
Part D claims for drugs CMS names, 2022 to 2023
- 2022
- 2023
- Claims for drugs CMS names
- 2022: 822023: 1187%
Drugs named by CMS: 1 in 2023, 4 in 2022.
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
How Dr. Thomas Lee Bosshardt takes part in Medicare
Dr. Bosshardt accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Upper gastrointestinal (GI) endoscopy for acid reflux: 1 to 10 procedures (CMS shows small counts as a range)
Sources: Doctors and Clinicians National Downloadable File (CMS); and Doctors and Clinicians Utilization Data (CMS)
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Dr. Thomas Lee Bosshardt has 2 publications on record
Dmand AI links 2 papers to Dr. Bosshardt.
Recent publications by Dr. Bosshardt
See who Dr. Bosshardt researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Bosshardt works with, so you can find a warm path to the right general surgeons.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. Thomas Lee Bosshardt received $1,921 in industry payments from 2017 to 2023
CMS Open Payments shows 18 general payments to Dr. Bosshardt from 7 drug and device companies from 2017 to 2023. Travel and lodging make up the largest share, 62% of the total. Medical Device Business Services, Inc. paid the most, $836.
General payments to Dr. Bosshardt by program year, 2017 to 2023
General payments to Dr. Bosshardt by kind, 2017 to 2023
- Travel and lodging$1,19862%
- Food and beverage$72338%
Companies that paid Dr. Bosshardt the most, 2017 to 2023
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Thomas Lee Bosshardt graduated from David Geffen School of Medicine at UCLA
Dr. Bosshardt graduated from David Geffen School of Medicine at UCLA in 1990.
- Medical school
- Board certified in surgery
Source: Dmand AI Professional Profile Data
Dr. Thomas Lee Bosshardt accepts plans from 10 insurance carriers
Dr. Bosshardt is in network with 10 carriers, including Aetna, Blue Cross Blue Shield of Michigan and United Healthcare. Medicare plans come from the most carriers, 7. Check the plan with the practice before a visit.
- Aetna
- Blue Cross Blue Shield of Michigan
- United Healthcare
- Blue Cross Blue Shield of Massachusetts
- HCSC
- Regence Health Plans
- Aspirus Health Plan
- Blue Cross and Blue Shield of Kansas City
- +2 more carriersWith a free account
Plan types Dr. Bosshardt accepts, by number of carriers
- Medicare7
- PPO7
- POS4
- HMO3
- EPO2
Source: Dmand AI Insurance Network Data
Sources for Dr. Thomas Lee Bosshardt's profile data
| Data on this page | Source |
|---|---|
| NPI, name, sex, specialty and licenses | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data |
| Practice locations and phone | Dmand AI Affiliation Data |
| Primary practice, affiliations and health system | Dmand AI Affiliation DataDmand AI Org Hierarchy Data |
| Medicare services and procedure codes | Medicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab) |
| State medians for the same specialty | Dmand AI Peer Benchmarks |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel Data |
| Part D prescribing | Medicare 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 percentiles | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Doctors and Clinicians Utilization Data (CMS) (opens in a new tab) |
| Publications, topics and co-authors | PubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| Insurance carriers and plan types | Dmand AI Insurance Network Data |
| EHR at each practice site | Dmand AI Technology Install Data |
| Similar physicians | Dmand AI Affiliation Data |
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about Dr. Thomas Lee Bosshardt
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 Lee Bosshardt's NPI number?
Dr. Thomas Lee Bosshardt's NPI number is 1104958156. It was assigned on March 12, 2007, and it is active in the NPI Registry.
What kind of doctor is Dr. Thomas Lee Bosshardt?
Dr. Thomas Lee Bosshardt is a general surgeon in Greenfield, California. The primary specialty in the NPI Registry is Surgery Physician (taxonomy code 208600000X).
Where does Dr. Thomas Lee Bosshardt practice?
Dr. Bosshardt practices at 467 El Camino Road, Greenfield, CA 93927. Dr. Bosshardt's primary practice is Albert and Donna Oliveira Clinic - Greenfield in Greenfield, California. Dmand AI also links Dr. Bosshardt to 2 group practices and clinics and 1 medical group.
What is Dr. Thomas Lee Bosshardt's office phone number?
The practice phone on file for Dr. Bosshardt is (831) 674-0112.
What is Dr. Thomas Lee Bosshardt's medical license number?
Dr. Bosshardt's California license number on file is G78405, one of the licenses on file in 4 states.
Which states has Dr. Thomas Lee Bosshardt been licensed in?
Dmand AI has state licenses on file for Dr. Bosshardt in California (1994 to 2025), Montana (2024 to 2026), Missouri (2024 to 2025) and Virginia (1991 to 2002).
Which hospitals is Dr. Thomas Lee Bosshardt affiliated with?
Dr. Bosshardt is affiliated with Mee Memorial Hospital.
What medical group is Dr. Thomas Lee Bosshardt part of?
Dr. Bosshardt is linked to Mee Memorial Healthcare System. Dmand AI links Dr. Bosshardt to 1 more medical group.
Does Dr. Thomas Lee Bosshardt accept Medicare?
Yes. CMS data shows Dr. Bosshardt billed Medicare for 114 services in 2022, and Dr. Bosshardt accepts Medicare assignment.
Is Dr. Thomas Lee Bosshardt board certified?
Yes. Dr. Bosshardt is board certified in surgery by the American Board of Surgery.
Show 7 more questionsShow fewer questions
What services does Dr. Thomas Lee Bosshardt bill to Medicare?
In 2022, Dr. Bosshardt's most billed Medicare services were office visit, established patient (99213), office visit, new patient (99203) and office visit, new patient (99204).
Where did Dr. Thomas Lee Bosshardt go to medical school?
Dr. Bosshardt graduated from David Geffen School of Medicine at UCLA in 1990.
What drugs does Dr. Thomas Lee Bosshardt prescribe most?
In 2023 Medicare Part D data, Dr. Bosshardt's most prescribed drugs by claims were Hydrocodone-Acetaminophen.
Has Dr. Thomas Lee Bosshardt received payments from drug or device companies?
CMS Open Payments shows $1,921 in general payments to Dr. Bosshardt from 7 companies from 2017 to 2023. The largest total came from Medical Device Business Services, Inc.
How long has Dr. Thomas Lee Bosshardt been practicing?
Dr. Bosshardt graduated from medical school in 1990, 36 years ago.
Does Dr. Thomas Lee Bosshardt do research?
Dmand AI links 2 publications to Dr. Bosshardt.
What insurance does Dr. Thomas Lee Bosshardt accept?
Dr. Bosshardt is in network with 10 carriers, including Aetna, Blue Cross Blue Shield of Michigan and United Healthcare. Medicare plans come from the most carriers, 7. Check the plan with the practice before a visit.
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