J Arthroplasty
Arthroplasty, Replacement, HipBone Nails
Dr. Matthew Timothy Muffly, MD
NPI1700147311
- Medicare services, 2018
- 30
- Publications
- 9
- Hospital affiliations
- 1
- Industry payments
- $12,230
- Medical group
- 1
- Practice address
- 1000 W Carson St, Torrance, CA 90509
- Practice phone
- Call (310) 222-2345
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Muffly's professional email, personal email and mobile number
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Dr. Matthew Timothy Muffly is an orthopedic surgeon in Torrance, California
Dr. Muffly practices at Harbor-UCLA Medical Center in Torrance, California, part of County of Los Angeles.
Dr. Muffly's NPI, 1700147311, was assigned on May 31, 2012. Dr. Muffly graduated from Sidney Kimmel Medical College in 2012. Dr. Muffly holds California license A149577.
NPI and contact details
- NPI
- 1700147311NPI Registry (opens in a new tab)
- NPI enumeration date
- May 31, 2012
- NPI status
- Active
- Practice phone
- (310) 222-2345
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 40
- Medical school graduation
- 2012
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Affiliation Data
Dr. Matthew Timothy Muffly practices at Harbor-UCLA Medical Center in Torrance, California
Dr. Muffly's primary practice is Harbor-UCLA Medical Center, at 1000 W Carson St, Torrance, CA 90509 in Los Angeles County. The practice phone is (310) 222-2345.
- Harbor-UCLA Medical Center1000 W Carson St, Torrance, CA 90509 · Los Angeles CountyPhone(310) 222-2345
Source: Dmand AI Affiliation Data
Dr. Matthew Timothy Muffly is affiliated with 1 site of care and 1 medical group
Dr. Muffly's primary practice is Harbor-UCLA Medical Center in Torrance, California, part of County of Los Angeles. The medical group on file is Southern California Permanente Medical Group.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Matthew Timothy Muffly's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Muffly practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Harbor-UCLA Medical Center | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Matthew Timothy Muffly is one of 2,056 orthopedic surgeons in California
Orthopaedic surgery is Dr. Muffly's primary specialty in the NPI Registry, under taxonomy code 207X00000X. Dr. Muffly is board certified in orthopaedic surgery by the American Board of Orthopaedic Surgery. Dmand AI has Dr. Muffly's licenses on file in 3 states: California, Ohio and Pennsylvania.
Specialties and state licenses
- Orthopaedic surgery, CaliforniaPrimary
- Ohio license
- Pennsylvania license
Orthopedic surgeons near Dr. Muffly
Counts of orthopedic surgeons with a Dmand AI profile, by place and practice. Each opens the list.
2,056orthopedic surgeons in California25orthopedic surgeons in Torrance6orthopedic surgeons at Harbor-UCLA Medical Center
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Dr. Matthew Timothy Muffly billed Medicare for 30 services in 2018
CMS data shows 30 Medicare services from Dr. Muffly across 2 procedure codes in 2018. Medicare paid $1,378 for them. Every service was in an office.
Medicare services, 201830
Paid by Medicare$1,378
Procedure codes2
Dr. Muffly's Medicare services by type, 2017 to 2018
- 2017
- 2018
- Office and hospital visits
- 2017: 02018: 16
- Imaging
- 2017: 142018: 14No change
Dr. Muffly compared with the California median for orthopedic surgeons, 2018
- Dr. Muffly
- California median
- Medicare services
- 30vs 68396% below
Medians across 1,844 orthopedic surgeons in California with Dmand AI profiles that report each measure.
Dr. Muffly'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. Muffly?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Muffly and other orthopedic surgeons in California.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Matthew Timothy Muffly's patients have a median age of 54
Across all payers, Dmand AI patient panel data puts Dr. Muffly's median patient age at 54, with 51% women.
Dr. Muffly's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 54
Patient panel by sex, all payers
- Women51%
- Men49%
Source: Dmand AI Patient Panel Data
For MedTech and pharma teams
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Dr. Matthew Timothy Muffly has 9 publications on record
Dmand AI links 9 papers to Dr. Muffly, published from 2010 to 2012. 2010 was the busiest year, with 2. The most frequent topics are Bone Nails, Bone Plates and Bone Screws. Dr. Muffly has published most often in J Trauma. Dr. Muffly's most frequent co-authors are Gregory Theodore Altman, MD, Daniel T. Altman, MD and Michael James Bercik, MD.
Papers9
Years published2010 to 2012
Topics Dr. Muffly writes about most
- Bone Nails
- Bone Plates
- Bone Screws
- Disability Evaluation
- Fracture Fixation, Internal
- Fracture Healing
- Fractures, Bone
- Minimally Invasive Surgical Procedures
Dr. Muffly's most frequent co-authors
- Gregory Theodore Altman, MD3 shared papers
- Daniel T. Altman, MD2 shared papers
- Michael James Bercik, MD1 shared paper
Recent publications by Dr. Muffly
Clin Orthop Relat Res
Disability EvaluationFractures, BoneLinear Models
Absorbable ImplantsAnterior Cruciate LigamentBiomechanical Phenomena
Bone PlatesBone ScrewsFibula
Accidents, TrafficKnee DislocationMagnetic Resonance Imaging
See who Dr. Muffly researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Muffly 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. Matthew Timothy Muffly received $12,230 in industry payments from 2016 to 2025
CMS Open Payments shows 50 general payments to Dr. Muffly from 16 drug and device companies from 2016 to 2025. Education make up the largest share, 52% of the total. Smith & Nephew, Inc. paid the most, $5,514.
General payments to Dr. Muffly by program year, 2016 to 2025
General payments to Dr. Muffly by kind, 2016 to 2025
$12.2Kin total
- Education$6,41352%
- Food and beverage$2,44220%
- Compensation for serving as faculty or as a speaker for a medical education program$2,00016%
- Travel and lodging$1,37511%
Companies that paid Dr. Muffly the most, 2016 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Matthew Timothy Muffly graduated from Sidney Kimmel Medical College
Dr. Muffly graduated from Sidney Kimmel Medical College in 2012. Dr. Muffly is a member of AAOS and AOSSM.
- Medical school
- Board certified in orthopaedic surgery
Source: Dmand AI Professional Profile Data
Sources for Dr. Matthew Timothy Muffly'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 |
| 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. Matthew Timothy Muffly
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. Matthew Timothy Muffly's NPI number?
Dr. Matthew Timothy Muffly's NPI number is 1700147311. It was assigned on May 31, 2012, and it is active in the NPI Registry.
What kind of doctor is Dr. Matthew Timothy Muffly?
Dr. Matthew Timothy Muffly is an orthopedic surgeon in Torrance, California. The primary specialty in the NPI Registry is Orthopaedic Surgery Physician (taxonomy code 207X00000X).
Where does Dr. Matthew Timothy Muffly practice?
Dr. Muffly practices at 1000 W Carson St, Torrance, CA 90509. Dr. Muffly's primary practice is Harbor-UCLA Medical Center in Torrance, California, part of County of Los Angeles.
What is Dr. Matthew Timothy Muffly's office phone number?
The practice phone on file for Dr. Muffly is (310) 222-2345.
What is Dr. Matthew Timothy Muffly's medical license number?
Dr. Muffly holds California license A149577, one of the licenses on file in 3 states.
Which states has Dr. Matthew Timothy Muffly been licensed in?
Dmand AI has state licenses on file for Dr. Muffly in California (2017 to 2026), Ohio (since 2015) and Pennsylvania (2012 to 2017).
Which hospitals is Dr. Matthew Timothy Muffly affiliated with?
Dr. Muffly practices at Harbor-UCLA Medical Center in Torrance, California.
What medical group is Dr. Matthew Timothy Muffly part of?
Dr. Muffly is linked to Southern California Permanente Medical Group.
Does Dr. Matthew Timothy Muffly accept Medicare?
Yes. CMS data shows Dr. Muffly billed Medicare for 30 services in 2018.
Is Dr. Matthew Timothy Muffly board certified?
Yes. Dr. Muffly is board certified in orthopaedic surgery by the American Board of Orthopaedic Surgery.
Show 6 more questionsShow fewer questions
What services does Dr. Matthew Timothy Muffly bill to Medicare?
In 2018, Dr. Muffly's most billed Medicare services were office visit, established patient (99213) and diagnostic imaging (73564).
Where did Dr. Matthew Timothy Muffly go to medical school?
Dr. Muffly graduated from Sidney Kimmel Medical College in 2012.
Has Dr. Matthew Timothy Muffly received payments from drug or device companies?
CMS Open Payments shows $12,230 in general payments to Dr. Muffly from 16 companies from 2016 to 2025. The largest total came from Smith & Nephew, Inc.
How long has Dr. Matthew Timothy Muffly been practicing?
Dr. Muffly graduated from medical school in 2012, 14 years ago.
Does Dr. Matthew Timothy Muffly do research?
Dmand AI links 9 publications to Dr. Muffly, published from 2010 to 2012.
Who does Dr. Matthew Timothy Muffly publish with?
Dr. Muffly's most frequent co-authors are Gregory Theodore Altman, MD (3 shared papers), Daniel T. Altman, MD (2 shared papers) and Michael James Bercik, MD (1 shared paper).
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