Dr. Chad Edward Maclachlan, MD
- Part D claims, 2024
- 82
- Publications
- 1
- Hospital affiliations
- 2
- Industry payments
- $28
- Medical group
- 1
- Practice address
- 975 Sereno Dr, Vallejo, CA 94589
- Practice phone
- Call (707) 651-1000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Maclachlan'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. Chad Edward Maclachlan is an orthopedic surgeon in Vallejo, California
Dr. Maclachlan practices at Vallejo Medical Center in Vallejo, California, part of Kaiser Permanente.
Dr. Maclachlan's NPI, 1154493427, was assigned on November 14, 2006. Dr. Maclachlan graduated from UCSF School of Medicine in 2002. Dr. Maclachlan holds California license A87183.
- NPI
- 1154493427NPI Registry (opens in a new tab)
- Medicare PAC ID
- 4183713423
- NPI enumeration date
- November 14, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (707) 651-1000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 50
- Medical school graduation
- 2002
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Chad Edward Maclachlan practices at Vallejo Medical Center in Vallejo, California
Dr. Maclachlan's primary practice is Vallejo Medical Center, at 975 Sereno Dr, Vallejo, CA 94589 in Solano County. The practice phone is (707) 651-1000.
- Vallejo Medical Center975 Sereno Dr, Vallejo, CA 94589 · Solano CountyPhone(707) 651-1000
Source: Dmand AI Affiliation Data
Dr. Chad Edward Maclachlan is affiliated with 4 sites of care and 1 medical group
Dr. Maclachlan's primary practice is Vallejo Medical Center in Vallejo, California, part of Kaiser Permanente. Dr. Maclachlan is also affiliated with Vacaville Medical Center. The medical group on file is The Permanente Medical Group, Inc. Dmand AI also links Dr. Maclachlan to 1 more home health agency and 1 hospice, each named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Chad Edward Maclachlan's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Maclachlan practices, 4 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Vallejo Medical Center | Available with a free account |
| +3 more affiliated sites | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Chad Edward Maclachlan is one of 2,056 orthopedic surgeons in California
Orthopaedic surgery is Dr. Maclachlan's primary specialty in the NPI Registry, under taxonomy code 207X00000X. Dr. Maclachlan is board certified in orthopaedic sports medicine by the American Board of Orthopaedic Surgery. Dmand AI has Dr. Maclachlan's licenses on file in 2 states: California and Nevada.
Specialties and state licenses
- Orthopaedic surgery, CaliforniaPrimary
- Nevada license
Clinical focus
Dmand AI lists orthopedic surgery of arms and legs and rotator cuff injury among the conditions Dr. Maclachlan treats.
Orthopedic surgeons near Dr. Maclachlan
Counts of orthopedic 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. Chad Edward Maclachlan's patients have a median age of 42
Across all payers, Dmand AI patient panel data puts Dr. Maclachlan's median patient age at 42, with 50% women.
Dr. Maclachlan's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 42
Patient panel by sex, all payers
- Women50%
- Men49%
Source: Dmand AI Patient Panel Data
Dr. Chad Edward Maclachlan wrote 82 Medicare Part D claims in 2024
In 2024, Dr. Maclachlan wrote 82 Medicare Part D claims for 35 patients. 100% of them were for generic drugs. CMS names the drug for 57 of them, across 2 drugs with 11 or more claims each, at $398 in total drug cost. In 2023, CMS named 42 claims across 3 drugs.
Dr. Maclachlan'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. Maclachlan's Part D claims, 2024
- Opioids54%44 of 82 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: 422024: 5736%
Drugs named by CMS: 2 in 2024, 3 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. Chad Edward Maclachlan takes part in Medicare
Dr. Maclachlan accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
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Dr. Chad Edward Maclachlan has 1 publication on record
Dmand AI links 1 paper to Dr. Maclachlan.
Recent publications by Dr. Maclachlan
See who Dr. Maclachlan researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Maclachlan 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. Chad Edward Maclachlan received $28 in industry payments in 2017
CMS Open Payments shows 1 general payment to Dr. Maclachlan from 1 drug or device company in 2017. Food and beverage make up the largest share, 100% of the total. Stryker Corporation paid the most, $28.
Companies that paid Dr. Maclachlan the most, 2017 to 2017
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Chad Edward Maclachlan has 1 award and honors on record
Dmand AI lists 1 award for Dr. Maclachlan, most recently CMS Stage 1 2012 in 2011.
Awards and honors for Dr. Maclachlan
- 2011
- CMS Stage 1 2012
Source: Dmand AI Professional Profile Data
Dr. Chad Edward Maclachlan graduated from UCSF School of Medicine
Dr. Maclachlan graduated from UCSF School of Medicine in 2002.
- Medical school
- Board certified in orthopaedic sports medicine
- Board certified in orthopaedic surgery
Source: Dmand AI Professional Profile Data
Dr. Chad Edward Maclachlan accepts plans from 2 insurance carriers
Dr. Maclachlan is in network with 2 carriers, including Kaiser Permanente and CMS Medicare. EPO plans come from the most carriers, 1. Check the plan with the practice before a visit.
- Kaiser Permanente
- CMS Medicare
Plan types Dr. Maclachlan accepts, by number of carriers
- EPO1
- HMO1
- Medicare1
- POS1
Source: Dmand AI Insurance Network Data
Sources for Dr. Chad Edward Maclachlan'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 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) |
| 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) |
| Awards and committee roles | Dmand AI Professional Profile Data |
| 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. Chad Edward Maclachlan
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. Chad Edward Maclachlan's NPI number?
Dr. Chad Edward Maclachlan's NPI number is 1154493427. It was assigned on November 14, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Chad Edward Maclachlan?
Dr. Chad Edward Maclachlan is an orthopedic surgeon in Vallejo, California. The primary specialty in the NPI Registry is Orthopaedic Surgery Physician (taxonomy code 207X00000X).
Where does Dr. Chad Edward Maclachlan practice?
Dr. Maclachlan practices at 975 Sereno Dr, Vallejo, CA 94589. Dr. Maclachlan's primary practice is Vallejo Medical Center in Vallejo, California, part of Kaiser Permanente. Dmand AI also links Dr. Maclachlan to 1 home health agency and 1 hospice.
What is Dr. Chad Edward Maclachlan's office phone number?
The practice phone on file for Dr. Maclachlan is (707) 651-1000.
What is Dr. Chad Edward Maclachlan's medical license number?
Dr. Maclachlan holds California license A87183, one of the licenses on file in 2 states.
Which states has Dr. Chad Edward Maclachlan been licensed in?
Dmand AI has state licenses on file for Dr. Maclachlan in California (2004 to 2026) and Nevada (2007 to 2009).
Which hospitals is Dr. Chad Edward Maclachlan affiliated with?
Dr. Maclachlan practices at Vallejo Medical Center in Vallejo, California. Dr. Maclachlan is also affiliated with Vacaville Medical Center.
What medical group is Dr. Chad Edward Maclachlan part of?
Dr. Maclachlan is linked to The Permanente Medical Group, Inc.
Does Dr. Chad Edward Maclachlan accept Medicare?
Yes. CMS lists Dr. Maclachlan as accepting Medicare assignment.
Is Dr. Chad Edward Maclachlan board certified?
Yes. Dr. Maclachlan is board certified in orthopaedic sports medicine by the American Board of Orthopaedic Surgery.
Show 6 more questionsShow fewer questions
Where did Dr. Chad Edward Maclachlan go to medical school?
Dr. Maclachlan graduated from UCSF School of Medicine in 2002.
What drugs does Dr. Chad Edward Maclachlan prescribe most?
In 2024 Medicare Part D data, Dr. Maclachlan's most prescribed drugs by claims were Oxycodone HCl and Ondansetron ODT.
Has Dr. Chad Edward Maclachlan received payments from drug or device companies?
CMS Open Payments shows $28 in general payments to Dr. Maclachlan from 1 company from 2017 to 2017. The largest total came from Stryker Corporation.
How long has Dr. Chad Edward Maclachlan been practicing?
Dr. Maclachlan graduated from medical school in 2002, 24 years ago.
Does Dr. Chad Edward Maclachlan do research?
Dmand AI links 1 publication to Dr. Maclachlan.
What insurance does Dr. Chad Edward Maclachlan accept?
Dr. Maclachlan is in network with 2 carriers, including Kaiser Permanente and CMS Medicare. EPO plans come from the most carriers, 1. Check the plan with the practice before a visit.
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