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Dr. John R. Tesman, MD
NPI1356407340
- Medicare services, 2018
- 1,692
- Part D claims, 2024
- 57
- Publications
- 1
- Industry payments
- $279
- Affiliated sites
- 2
- Practice address
- 2705 Loma Vista Rd Ste 205 Suite 205, Ventura, CA 93003
- Practice phone
- Call (805) 585-3086
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
James F Mitchell Jr - Emergency & Hospital Medicine - Ventura
Multi-specialty group site · Ventura, California
Find Dr. Tesman'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. John R. Tesman is an emergency medicine physician in California
Dr. Tesman practices at James F Mitchell Jr - Emergency & Hospital Medicine - Ventura in Ventura, California.
Dr. Tesman's NPI, 1356407340, was assigned on December 28, 2006. Dr. Tesman graduated from Drexel University College Of Medicine in 1981. Dr. Tesman's California license number on file is G68726.
NPI and contact details
- NPI
- 1356407340NPI Registry (opens in a new tab)
- NPI enumeration date
- December 28, 2006
- NPI status
- Active
- Practice phone
- (805) 585-3086
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Medical school graduation
- 1981
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. John R. Tesman practices at James F Mitchell Jr - Emergency & Hospital Medicine - Ventura in Ventura, California
Dr. Tesman's primary practice is James F Mitchell Jr - Emergency & Hospital Medicine - Ventura, at 2705 Loma Vista Rd Ste 205 Suite 205, Ventura, CA 93003. The practice phone is (805) 585-3086.
- James F Mitchell Jr - Emergency & Hospital Medicine - Ventura2705 Loma Vista Rd Ste 205 Suite 205, Ventura, CA 93003Phone(805) 585-3086
Sources: Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. John R. Tesman is affiliated with 2 sites of care and 1 medical group
Dr. Tesman's primary practice is James F Mitchell Jr - Emergency & Hospital Medicine - Ventura in Ventura, California. Dmand AI also links Dr. Tesman to 1 physician office and 1 medical group, each named with a free account.
James F Mitchell Jr - Emergency & Hospital Medicine - VenturaPrimary
Sources: Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dmand AI tracks the EHR system at Dr. John R. Tesman's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Tesman practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| James F Mitchell Jr - Emergency & Hospital Medicine - Ventura | Available with a free account |
| +1 more site and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. John R. Tesman is one of 7,423 emergency medicine physicians in California
Emergency medicine is Dr. Tesman's primary specialty in the NPI Registry, under taxonomy code 207P00000X. Dmand AI has Dr. Tesman's licenses on file in 3 states: California, Hawaii and Florida.
Specialties and state licenses
- Emergency medicine, CaliforniaPrimary
- Hawaii license
- Florida license
Emergency medicine physicians near Dr. Tesman
Counts of emergency medicine physicians 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. John R. Tesman billed Medicare for 1,692 services in 2018
CMS data shows 1,692 Medicare services from Dr. Tesman across 8 procedure codes in 2018. Medicare paid $76,418 for them. Every service was in a facility, such as a hospital, rather than an office.
Medicare services, 20181,692
Paid by Medicare$76,418
Procedure codes8
Dr. Tesman's Medicare services by type, 2017 to 2018
- 2017
- 2018
- Office and hospital visits
- 2017: 1,2012018: 79034%
- Surgery
- 2017: 9392018: 74121%
- Tests and treatments
- 2017: 2042018: 16121%
Dr. Tesman compared with the California median for emergency medicine physicians, 2018
- Dr. Tesman
- California median
- Medicare services
- 1,692vs 2656.4 times
- Part D claims
- 180vs 622.9 times
Medians across 7,079 emergency medicine physicians in California with Dmand AI profiles that report each measure.
Dr. Tesman's most billed Medicare procedure codes, 2018
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. Tesman?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Tesman and other emergency medicine physicians in California.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. John R. Tesman's patients have a median age of 37
Across all payers, Dmand AI patient panel data puts Dr. Tesman's median patient age at 37, with 50% women.
Dr. Tesman's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 37
Patient panel by sex, all payers
- Women50%
- Men50%
Source: Dmand AI Patient Panel Data
Dr. John R. Tesman wrote 57 Medicare Part D claims in 2024
In 2024, Dr. Tesman wrote 57 Medicare Part D claims. 98% of them were for generic drugs. They cover 9 drugs, with $12,673 in total drug cost. In 2017, CMS named 211 claims across 11 drugs.
Part D claims, 202457
Drugs named by CMS9
Total drug cost$12,673
Dr. Tesman's Part D claims by kind of drug, 2024
- Generic56 claims98%
- Brand-name and other1 claims2%
Dr. Tesman's most prescribed drugs by claims, 2018
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, 2017 to 2018
- 2017
- 2018
- Claims for drugs CMS names
- 2017: 2112018: 18015%
Drugs named by CMS: 9 in 2018, 11 in 2017.
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
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Dr. John R. Tesman has 1 publication on record
Dmand AI links 1 paper to Dr. Tesman. Dr. Tesman's most frequent co-authors are Barry Baylen, MD and John L. Myers, MD.
Papers1
Dr. Tesman's most frequent co-authors
Recent publications by Dr. Tesman
See who Dr. Tesman researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Tesman works with, so you can find a warm path to the right emergency medicine physicians.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. John R. Tesman received $279 in industry payments from 2016 to 2018
CMS Open Payments shows 12 general payments to Dr. Tesman from 6 drug and device companies from 2016 to 2018. Food and beverage make up the largest share, 100% of the total. Integra LifeSciences Corporation paid the most, $122.
General payments to Dr. Tesman by program year, 2016 to 2018
Companies that paid Dr. Tesman the most, 2016 to 2018
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. John R. Tesman graduated from Drexel University College Of Medicine
Dr. Tesman graduated from Drexel University College Of Medicine in 1981.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. John R. Tesman'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 DataDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab) |
| Primary practice, affiliations and health system | Dmand AI Affiliation DataDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab) |
| 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) |
| 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 |
| 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. John R. Tesman
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. John R. Tesman's NPI number?
Dr. John R. Tesman's NPI number is 1356407340. It was assigned on December 28, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. John R. Tesman?
Dr. John R. Tesman is an emergency medicine physician in California. The primary specialty in the NPI Registry is Emergency Medicine Physician (taxonomy code 207P00000X).
Where does Dr. John R. Tesman practice?
Dr. Tesman practices at 2705 Loma Vista Rd Ste 205 Suite 205, Ventura, CA 93003. Dr. Tesman's primary practice is James F Mitchell Jr - Emergency & Hospital Medicine - Ventura in Ventura, California. Dmand AI also links Dr. Tesman to 1 physician office and 1 medical group.
What is Dr. John R. Tesman's office phone number?
The practice phone on file for Dr. Tesman is (805) 585-3086.
What is Dr. John R. Tesman's medical license number?
Dr. Tesman's California license number on file is G68726, one of the licenses on file in 3 states.
Which states has Dr. John R. Tesman been licensed in?
Dmand AI has state licenses on file for Dr. Tesman in California (1990 to 2025), Hawaii (1999 to 2006) and Florida (1982 to 1998).
Does Dr. John R. Tesman accept Medicare?
Yes. CMS data shows Dr. Tesman billed Medicare for 1,692 services in 2018.
What services does Dr. John R. Tesman bill to Medicare?
In 2018, Dr. Tesman's most billed Medicare services were office visit, established patient (99213), surgery: skin and soft tissue (11042) and surgery: skin and soft tissue (11045).
Where did Dr. John R. Tesman go to medical school?
Dr. Tesman graduated from Drexel University College Of Medicine in 1981.
What drugs does Dr. John R. Tesman prescribe most?
In 2018 Medicare Part D data, Dr. Tesman's most prescribed drugs by claims were Doxycycline Hyclate, Sulfamethoxazole-Trimethoprim and Santyl.
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Has Dr. John R. Tesman received payments from drug or device companies?
CMS Open Payments shows $279 in general payments to Dr. Tesman from 6 companies from 2016 to 2018. The largest total came from Integra LifeSciences Corporation.
How long has Dr. John R. Tesman been practicing?
Dr. Tesman graduated from medical school in 1981, 45 years ago.
Does Dr. John R. Tesman do research?
Dmand AI links 1 publication to Dr. Tesman.
Who does Dr. John R. Tesman publish with?
Dr. Tesman's most frequent co-authors are Barry Baylen, MD (1 shared paper) and John L. Myers, MD (1 shared paper).
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