CefonicidDebridementFractures, Bone
Dr. John David Tomasin, MD
NPI1053365007
- Medicare services, 2020
- 1,748
- Part D claims, 2020
- 101
- Publications
- 4
- Industry payments
- $228
- Insurance carriers
- 1
- Practice address
- 1310 Prentice Dr, Healdsburg, CA 95448-3384
- Practice phone
- Call (707) 433-0126
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Find Dr. Tomasin'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 David Tomasin is an orthopedic surgeon in Healdsburg, California
Dr. Tomasin practices in Healdsburg, California.
Dr. Tomasin's NPI, 1053365007, was assigned on May 22, 2006. Dr. Tomasin graduated from UC Davis School of Medicine in 1982. Dr. Tomasin's California license number on file is G60256.
NPI and contact details
- NPI
- 1053365007NPI Registry (opens in a new tab)
- NPI enumeration date
- May 22, 2006
- NPI status
- Active
- Practice phone
- (707) 433-0126
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Medical school graduation
- 1982
Sources: NPPES NPI Registry (CMS); and Dmand AI Professional Profile Data
Dr. John David Tomasin's practice address is in Healdsburg, California
Dr. Tomasin's practice address in the NPI Registry is 1310 Prentice Dr, Healdsburg, CA 95448-3384. The practice phone is (707) 433-0126.
- NPI Registry address1310 Prentice Dr, Healdsburg, CA 95448-3384Phone(707) 433-0126
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dmand AI tracks the EHR system at Dr. John David Tomasin's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Tomasin practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Dr. Tomasin's practice | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. John David Tomasin is one of 2,056 orthopedic surgeons in California
Orthopaedic surgery is Dr. Tomasin's primary specialty in the NPI Registry, under taxonomy code 207X00000X. Dr. Tomasin is board certified in orthopaedic surgery by the American Board of Orthopaedic Surgery. Dr. Tomasin has a license on file in California.
Specialties and state licenses
- Orthopaedic surgery, CaliforniaPrimary
Orthopedic surgeons near Dr. Tomasin
Counts of orthopedic surgeons with a Dmand AI profile, by place and practice. Each opens the list.
2,056orthopedic surgeons in California
2orthopedic surgeons in Healdsburg
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Dr. John David Tomasin billed Medicare for 1,748 services in 2020
CMS data shows 1,748 Medicare services from Dr. Tomasin across 12 procedure codes in 2020. Medicare paid $45,841 for them. Every service was in an office.
Medicare services, 20201,748
Paid by Medicare$45,841
Procedure codes12
Dr. Tomasin's Medicare services by type, 2019 to 2020
- 2019
- 2020
- Drugs given in the office
- 2019: 2,3882020: 83665%
- Office and hospital visits
- 2019: 1,0432020: 53149%
- Imaging
- 2019: 5472020: 20762%
- Surgery
- 2019: 4002020: 17456%
- Other services
- 2019: 172020: 0100%
Dr. Tomasin compared with the California median for orthopedic surgeons, 2020
- Dr. Tomasin
- California median
- Medicare services
- 1,748vs 6832.6 times
- Part D claims
- 101vs 7044% above
Medians across 1,844 orthopedic surgeons in California with Dmand AI profiles that report each measure.
Dr. Tomasin's most billed Medicare procedure codes, 2020
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. Tomasin?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Tomasin and other orthopedic surgeons in California.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. John David Tomasin's patients have a median age of 66
Across all payers, Dmand AI patient panel data puts Dr. Tomasin's median patient age at 66, with 48% women.
Dr. Tomasin's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 66
Patient panel by sex, all payers
- Women48%
- Men52%
Source: Dmand AI Patient Panel Data
Dr. John David Tomasin wrote 101 Medicare Part D claims in 2020
In 2020, Dr. Tomasin wrote 101 Medicare Part D claims. They cover 4 drugs, with $466 in total drug cost. In 2019, CMS named 236 claims across 6 drugs.
Part D claims, 2020101
Drugs named by CMS4
Total drug cost$466
Dr. Tomasin's most prescribed drugs by claims, 2020
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, 2019 to 2020
- 2019
- 2020
- Claims for drugs CMS names
- 2019: 2362020: 10157%
Drugs named by CMS: 4 in 2020, 6 in 2019.
Source: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026
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Dr. John David Tomasin has 4 publications on record
Dmand AI links 4 papers to Dr. Tomasin. The most frequent topics are Humeral Fractures and Wounds, Gunshot. Dr. Tomasin's most frequent co-author is Robert A. Vander Griend, MD.
Papers4
Topics Dr. Tomasin writes about most
- Humeral Fractures
- Wounds, Gunshot
Dr. Tomasin's most frequent co-authors
Recent publications by Dr. Tomasin
Knee JointLigaments, Articular
J Bone Joint Surg Am
Bone PlatesBone ScrewsFracture Fixation, Internal
Bone NailsFracture Fixation, IntramedullaryHumeral Fractures
See who Dr. Tomasin researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Tomasin works with, so you can find a warm path to the right orthopedic surgeons.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. John David Tomasin received $228 in industry payments from 2016 to 2018
CMS Open Payments shows 3 general payments to Dr. Tomasin from 3 drug and device companies from 2016 to 2018. Food and beverage make up the largest share, 100% of the total. Stryker Corporation paid the most, $138.
General payments to Dr. Tomasin by program year, 2016 to 2018
Companies that paid Dr. Tomasin 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 David Tomasin graduated from UC Davis School of Medicine
Dr. Tomasin graduated from UC Davis School of Medicine in 1982.
- Medical school
- Board certified in orthopaedic surgery
Source: Dmand AI Professional Profile Data
Dr. John David Tomasin accepts plans from 1 insurance carrier
Dr. Tomasin is in network with 1 carrier, including Excellus BlueCross BlueShield. EPO plans come from the most carriers, 1. Check the plan with the practice before a visit.
- Excellus BlueCross BlueShield
Plan types Dr. Tomasin accepts, by number of carriers
- EPO1
- HMO1
- Medicare1
- POS1
- PPO1
Source: Dmand AI Insurance Network Data
Sources for Dr. John David Tomasin'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 | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice 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) |
| 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. John David Tomasin
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 David Tomasin's NPI number?
Dr. John David Tomasin's NPI number is 1053365007. It was assigned on May 22, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. John David Tomasin?
Dr. John David Tomasin is an orthopedic surgeon in Healdsburg, California. The primary specialty in the NPI Registry is Orthopaedic Surgery Physician (taxonomy code 207X00000X).
Where does Dr. John David Tomasin practice?
Dr. Tomasin practices at 1310 Prentice Dr, Healdsburg, CA 95448-3384.
What is Dr. John David Tomasin's office phone number?
The practice phone on file for Dr. Tomasin is (707) 433-0126.
What is Dr. John David Tomasin's medical license number?
Dr. Tomasin's California license number on file is G60256.
Does Dr. John David Tomasin accept Medicare?
Yes. CMS data shows Dr. Tomasin billed Medicare for 1,748 services in 2020.
Is Dr. John David Tomasin board certified?
Yes. Dr. Tomasin is board certified in orthopaedic surgery by the American Board of Orthopaedic Surgery.
What services does Dr. John David Tomasin bill to Medicare?
In 2020, Dr. Tomasin's most billed Medicare services were injected or infused drug (J3301), office visit, established patient (99213) and office visit, established patient (99214).
Where did Dr. John David Tomasin go to medical school?
Dr. Tomasin graduated from UC Davis School of Medicine in 1982.
What drugs does Dr. John David Tomasin prescribe most?
In 2020 Medicare Part D data, Dr. Tomasin's most prescribed drugs by claims were Tramadol HCl, Hydrocodone-Acetaminophen and Amoxicillin.
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Has Dr. John David Tomasin received payments from drug or device companies?
CMS Open Payments shows $228 in general payments to Dr. Tomasin from 3 companies from 2016 to 2018. The largest total came from Stryker Corporation.
How long has Dr. John David Tomasin been practicing?
Dr. Tomasin graduated from medical school in 1982, 44 years ago.
Does Dr. John David Tomasin do research?
Dmand AI links 4 publications to Dr. Tomasin.
Who does Dr. John David Tomasin publish with?
Dr. Tomasin's most frequent co-authors are Robert A. Vander Griend, MD (1 shared paper).
What insurance does Dr. John David Tomasin accept?
Dr. Tomasin is in network with 1 carrier, including Excellus BlueCross BlueShield. EPO plans come from the most carriers, 1. Check the plan with the practice before a visit.
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