Bone ScrewsFemoral Neck FracturesFracture Fixation, Internal
Dr. Zachary O. Mallon, MD
NPI1932360427PAC ID5092852509
- Medicare patients, 2024
- 14
- Part D claims, 2024
- 75
- Publications
- 9
- Hospital affiliations
- 1
- Industry payments
- $22,096
- Practice address
- 1 Quality Drive, Vacaville, CA 95688
- Practice phone
- Call (707) 624-4000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Mallon'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. Zachary O. Mallon is an orthopaedic trauma physician in Vacaville, California
Dr. Mallon practices at Vacaville Medical Center in Vacaville, California, part of Kaiser Permanente.
Dr. Mallon's NPI, 1932360427, was assigned on June 18, 2008. Dr. Mallon graduated from College of Human Medicine - Grand Rapids in 2008. Dr. Mallon holds California license A109177.
NPI and contact details
- NPI
- 1932360427NPI Registry (opens in a new tab)
- Medicare PAC ID
- 5092852509
- NPI enumeration date
- June 18, 2008
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (707) 624-4000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 44
- Medical school graduation
- 2008
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Zachary O. Mallon practices at Vacaville Medical Center in Vacaville, California
Dr. Mallon's primary practice is Vacaville Medical Center, at 1 Quality Drive, Vacaville, CA 95688 in Solano County. The practice phone is (707) 624-4000.
- Vacaville Medical Center1 Quality Drive, Vacaville, CA 95688 · Solano CountyPhone(707) 624-4000
Source: Dmand AI Affiliation Data
Dr. Zachary O. Mallon is affiliated with 2 sites of care and 1 medical group
Dr. Mallon's primary practice is Vacaville Medical Center in Vacaville, California, part of Kaiser Permanente. The medical group on file is The Permanente Medical Group, Inc. Dmand AI also links Dr. Mallon to 1 more clinical lab, named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Zachary O. Mallon's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Mallon practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Vacaville Medical Center | Available with a free account |
| +1 more affiliated site | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Zachary O. Mallon is one of 116 orthopaedic trauma physicians in California
Orthopaedic trauma is Dr. Mallon's primary specialty in the NPI Registry, under taxonomy code 207XX0801X. Dr. Mallon is board certified in orthopaedic surgery by the American Board of Orthopaedic Surgery. Dr. Mallon is licensed in California.
Specialties and state licenses
- Orthopaedic trauma, CaliforniaPrimary
Clinical focus
Dmand AI lists pelvic and hip fracture among the conditions Dr. Mallon treats.
Orthopaedic trauma physicians near Dr. Mallon
Counts of orthopaedic trauma physicians with a Dmand AI profile, by place and practice. Each opens the list.
116orthopaedic trauma physicians in California
2orthopaedic trauma physicians in Vacaville
2orthopaedic trauma physicians at Vacaville Medical CenterSources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Dr. Zachary O. Mallon treated 14 Medicare patients in 2024, average age 65
CMS counts 14 Medicare patients who saw Dr. Mallon in 2024. Their average risk score is 1.94, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.
Across all payers, Dmand AI patient panel data puts Dr. Mallon's median patient age at 48, with 47% women.
Medicare patients, 202414
Average age65
Average risk score1.94
Dr. Mallon's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 48
Patient panel by sex, all payers
- Women47%
- Men52%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Zachary O. Mallon wrote 75 Medicare Part D claims in 2024
In 2024, Dr. Mallon wrote 75 Medicare Part D claims for 55 patients. 100% of them were for generic drugs. CMS names the drug for 54 of them, across 1 drug with 11 or more claims each, at $487 in total drug cost. In 2023, CMS named 29 claims across 1 drug.
Part D claims, 202475
Drugs named by CMS1
Total drug cost$487
Part D patients55
Dr. Mallon'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. Mallon's Part D claims, 2024
- Opioids76%57 of 75 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: 292024: 5486%
Drugs named by CMS: 1 in 2024, 1 in 2023.
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. Zachary O. Mallon takes part in Medicare
Dr. Mallon accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Hip replacement: 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. Zachary O. Mallon has 9 publications on record
Dmand AI links 9 papers to Dr. Mallon, published from 2014 to 2025. 2023 was the busiest year, with 2. The most frequent topics are Apoptosis. Dr. Mallon's most frequent co-authors are Derek Fakhredean Amanatullah, MD, Ryan Mingho Kong, MD and Walter Hin Hua Mak, MD.
Papers9
Years published2014 to 2025
Dr. Mallon's papers by year, 2014 to 2025
Topics Dr. Mallon writes about most
- Apoptosis
Dr. Mallon's most frequent co-authors
- Derek Fakhredean Amanatullah, MD1 shared paper
- Ryan Mingho Kong, MD1 shared paper
- Walter Hin Hua Mak, MD1 shared paper
Recent publications by Dr. Mallon
Geriatr Orthop Surg Rehabil
J Immunother Cancer
ApoptosisCaspase 3Cell Death
See who Dr. Mallon researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Mallon works with, so you can find a warm path to the right orthopaedic trauma physicians.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. Zachary O. Mallon received $22,096 in industry payments from 2019 to 2025
CMS Open Payments shows 33 general payments to Dr. Mallon from 2 drug and device companies from 2019 to 2025. Compensation for serving as faculty or as a speaker for a medical education program make up the largest share, 45% of the total. Synthes GmbH paid the most, $21,725.
General payments to Dr. Mallon by program year, 2019 to 2025
General payments to Dr. Mallon by kind, 2019 to 2025
$22.1Kin total
- Compensation for serving as faculty or as a speaker for a medical education program$10,00045%
- Travel and lodging$8,30738%
- Accredited education speaker fees$2,50011%
- Food and beverage$1,2886%
Companies that paid Dr. Mallon the most, 2019 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Zachary O. Mallon graduated from College of Human Medicine - Grand Rapids
Dr. Mallon graduated from College of Human Medicine - Grand Rapids in 2008.
- Medical school
- Board certified in orthopaedic surgery
Source: Dmand AI Professional Profile Data
Dr. Zachary O. Mallon accepts plans from 3 insurance carriers
Dr. Mallon is in network with 3 carriers, including Excellus BlueCross BlueShield, Kaiser Permanente and CMS Medicare. EPO plans come from the most carriers, 2. Check the plan with the practice before a visit.
- Excellus BlueCross BlueShield
- Kaiser Permanente
- CMS Medicare
Plan types Dr. Mallon accepts, by number of carriers
- EPO2
- HMO2
- Medicare2
- POS2
- PPO1
Source: Dmand AI Insurance Network Data
Sources for Dr. Zachary O. Mallon'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 patients and the all-payer patient panel | Dmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab) |
| 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. Zachary O. Mallon
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. Zachary O. Mallon's NPI number?
Dr. Zachary O. Mallon's NPI number is 1932360427. It was assigned on June 18, 2008, and it is active in the NPI Registry.
What kind of doctor is Dr. Zachary O. Mallon?
Dr. Zachary O. Mallon is an orthopaedic trauma physician in Vacaville, California. The primary specialty in the NPI Registry is Orthopaedic Trauma Physician (taxonomy code 207XX0801X).
Where does Dr. Zachary O. Mallon practice?
Dr. Mallon practices at 1 Quality Drive, Vacaville, CA 95688. Dr. Mallon's primary practice is Vacaville Medical Center in Vacaville, California, part of Kaiser Permanente. Dmand AI also links Dr. Mallon to 1 clinical lab.
What is Dr. Zachary O. Mallon's office phone number?
The practice phone on file for Dr. Mallon is (707) 624-4000.
What is Dr. Zachary O. Mallon's medical license number?
Dr. Mallon holds California license A109177.
Which hospitals is Dr. Zachary O. Mallon affiliated with?
Dr. Mallon practices at Vacaville Medical Center in Vacaville, California.
What medical group is Dr. Zachary O. Mallon part of?
Dr. Mallon is linked to The Permanente Medical Group, Inc.
Does Dr. Zachary O. Mallon accept Medicare?
Yes. CMS lists Dr. Mallon as accepting Medicare assignment.
How many Medicare patients does Dr. Zachary O. Mallon see?
CMS counts 14 Medicare patients who saw Dr. Mallon in 2024, with an average age of 65.
Is Dr. Zachary O. Mallon board certified?
Yes. Dr. Mallon is board certified in orthopaedic surgery by the American Board of Orthopaedic Surgery.
Show 7 more questionsShow fewer questions
Where did Dr. Zachary O. Mallon go to medical school?
Dr. Mallon graduated from College of Human Medicine - Grand Rapids in 2008.
What drugs does Dr. Zachary O. Mallon prescribe most?
In 2024 Medicare Part D data, Dr. Mallon's most prescribed drugs by claims were Oxycodone HCl.
Has Dr. Zachary O. Mallon received payments from drug or device companies?
CMS Open Payments shows $22,096 in general payments to Dr. Mallon from 2 companies from 2019 to 2025. The largest total came from Synthes GmbH.
How long has Dr. Zachary O. Mallon been practicing?
Dr. Mallon graduated from medical school in 2008, 18 years ago.
Does Dr. Zachary O. Mallon do research?
Dmand AI links 9 publications to Dr. Mallon, published from 2014 to 2025.
Who does Dr. Zachary O. Mallon publish with?
Dr. Mallon's most frequent co-authors are Derek Fakhredean Amanatullah, MD (1 shared paper), Ryan Mingho Kong, MD (1 shared paper) and Walter Hin Hua Mak, MD (1 shared paper).
What insurance does Dr. Zachary O. Mallon accept?
Dr. Mallon is in network with 3 carriers, including Excellus BlueCross BlueShield, Kaiser Permanente and CMS Medicare. EPO plans come from the most carriers, 2. Check the plan with the practice before a visit.
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