Arthritis Rheumatol
Dr. Alan Ken Matsumoto, MD
- Medicare services, 2024
- 153,668
- Medicare patients, 2024
- 1,266
- Part D claims, 2024
- 2,372
- Publications
- 4
- Clinical trials
- 8
- Practice address
- 2730 University W Blvd, Silver Spring, MD 20902
- Practice phone
- Call (301) 949-3668
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Silver Spring Podiatry Center
Silver Spring, Maryland
Find Dr. Matsumoto'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. Alan Ken Matsumoto is a rheumatologist in Silver Spring, Maryland
Dr. Matsumoto practices at Silver Spring Podiatry Center in Silver Spring, Maryland.
Dr. Matsumoto's NPI, 1043219298, was assigned on July 19, 2005. Dr. Matsumoto graduated from University of Illinois College of Med (Chi/Peor/Rock/Chm-Urb) in 1985. Dr. Matsumoto holds Maryland license D0036867.
- NPI
- 1043219298NPI Registry (opens in a new tab)
- Medicare PAC ID
- 0143250365
- NPI enumeration date
- July 19, 2005
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
- Practice phone
- (301) 949-3668
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 67
- Medical school graduation
- 1985
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Alan Ken Matsumoto practices at Silver Spring Podiatry Center in Silver Spring, Maryland
Dr. Matsumoto's primary practice is Silver Spring Podiatry Center, at 2730 University W Blvd, Silver Spring, MD 20902 in Montgomery County. The practice phone is (301) 949-3668.
- Silver Spring Podiatry Center2730 University W Blvd, Silver Spring, MD 20902 · Montgomery CountyPhone(301) 949-3668
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Alan Ken Matsumoto is affiliated with 2 sites of care and 1 medical group
Dr. Matsumoto's primary practice is Silver Spring Podiatry Center in Silver Spring, Maryland. The medical group on file is Arthritis and Rheumatism Associates, P.C. Dmand AI also links Dr. Matsumoto to 1 more group practice or clinic, named with a free account.
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; and Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Dr. Alan Ken Matsumoto's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Matsumoto practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Silver Spring Podiatry 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. Alan Ken Matsumoto is one of 177 rheumatologists in Maryland
Rheumatology is Dr. Matsumoto's primary specialty in the NPI Registry, under taxonomy code 207RR0500X. Dr. Matsumoto is licensed in Maryland.
Specialties and state licenses
- Rheumatology, MarylandPrimary
Rheumatologists near Dr. Matsumoto
Counts of rheumatologists 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. Alan Ken Matsumoto billed Medicare for 153,668 services in 2024
CMS data shows 153,668 Medicare services from Dr. Matsumoto across 66 procedure codes in 2024, for 1,266 Medicare patients. Medicare paid $2,198,628 for them. Every service was in an office.
Dr. Matsumoto's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Drugs given in the office
- 2023: 138,6172024: 136,6481%
- Other services
- 2023: 5,8352024: 6,1716%
- Lab and pathology
- 2023: 6,6782024: 5,74014%
- Tests and treatments
- 2023: 2,1972024: 1,92213%
- Office and hospital visits
- 2023: 1,6342024: 1,6141%
- Surgery
- 2023: 1,0472024: 9727%
- Imaging
- 2023: 8072024: 60126%
Dr. Matsumoto compared with the Maryland median for rheumatologists, 2024
- Dr. Matsumoto
- Maryland median
- Medicare services
- 153,668vs 3,91539.3 times
- Medicare patients
- 1,266vs 3004.2 times
- Part D claims
- 2,194vs 7822.8 times
Medians across 168 rheumatologists in Maryland with Dmand AI profiles that report each measure.
Dr. Matsumoto's most billed Medicare procedure codes, 2024
CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.
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Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Matsumoto and other rheumatologists in Maryland.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Alan Ken Matsumoto treated 1,266 Medicare patients in 2024, average age 76
CMS counts 1,266 Medicare patients who saw Dr. Matsumoto in 2024. The largest group is 75 to 84, with 527 patients. 75% of them have arthritis, and 75% have high cholesterol. 11% are also on Medicaid. Their average risk score is 1.12, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Matsumoto's median patient age at 70, with 73% women.
Dr. Matsumoto's Medicare patients by age, 2024
Dr. Matsumoto's Medicare patients by sex, 2024
- Women1,01380%
- Men25320%
Chronic conditions among Dr. Matsumoto's Medicare patients, 2024
- Arthritis75%
- High cholesterol75%
- High blood pressure73%
- Osteoporosis58%
- Diabetes25%
- Mood disorders22%
- Depression20%
- Ischemic heart disease20%
Share of Medicare patients with each condition. A patient can have several.
Dr. Matsumoto's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 70
Patient panel by sex, all payers
- Women73%
- Men25%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Alan Ken Matsumoto wrote 2,372 Medicare Part D claims in 2024
In 2024, Dr. Matsumoto wrote 2,372 Medicare Part D claims for 405 patients. 87% of them were for generic drugs. CMS names the drug for 2,194 of them, across 35 drugs with 11 or more claims each, at $2,296,768 in total drug cost. In 2023, CMS named 1,812 claims across 29 drugs.
Dr. Matsumoto's Part D claims by kind of drug, 2024
- Generic2,053 claims87%
- Brand-name and other319 claims13%
Dr. Matsumoto'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. Matsumoto's Part D claims, 2024
- Opioids3%80 of 2,372 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: 1,8122024: 2,19421%
Drugs named by CMS: 35 in 2024, 29 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
Dr. Alan Ken Matsumoto scored 86 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 86 out of 100 for Dr. Matsumoto for performance year 2024, reported as part of a group. Dr. Matsumoto accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Matsumoto as offering telehealth.
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
Dr. Matsumoto's MIPS scores, performance year 2024
- 86of 100Final score
- 93.4of 100Quality
- 100of 100Promoting Interoperability
- 40of 100Improvement Activities
- 59of 100Cost
Each score is out of 100. The final score weighs the categories CMS scored for this clinician.
Sources: Doctors and Clinicians National Downloadable File (CMS); and Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026
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Dr. Alan Ken Matsumoto has 4 publications on record
Dmand AI links 4 papers to Dr. Matsumoto, published from 2017 to 2023. The most frequent topics are Antirheumatic Agents, Arthritis, Rheumatoid and Double-Blind Method. Dr. Matsumoto's most frequent co-authors are Mark Christopher Genovese, MD, Alan J. Kivitz, MD and Matthew Charles Baker, MD.
Dr. Matsumoto's papers by year, 2017 to 2023
Topics Dr. Matsumoto writes about most
- Antirheumatic Agents
- Arthritis, Rheumatoid
- Double-Blind Method
- Adalimumab
- Biosimilar Pharmaceuticals
- C-Reactive Protein
Dr. Matsumoto's most frequent co-authors
- Mark Christopher Genovese, MD2 shared papers
- Alan J. Kivitz, MD2 shared papers
- Matthew Charles Baker, MD1 shared paper
Recent publications by Dr. Matsumoto
Arthritis Res Ther
See who Dr. Matsumoto researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Matsumoto works with, so you can find a warm path to the right rheumatologists.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. Alan Ken Matsumoto has worked on 8 clinical trials
Dmand AI links Dr. Matsumoto to 8 clinical trials, 4 of them phase 3 studies. Conditions studied include Arthritis, Rheumatoid, Rheumatic Diseases and Gout. GlaxoSmithKline sponsors the most, 4.
Clinical trials with Dr. Matsumoto by phase
- NonePhase 1: no trials
- 1Phase 2: 1 trial
- 4Phase 3: 4 trials
- 1Phase 4: 1 trial
Conditions in Dr. Matsumoto's trials
- Arthritis, Rheumatoid
- Rheumatic Diseases
- Gout
- Sjogren's Syndrome
- Crystal Arthropathies
Investigators on the most trials with Dr. Matsumoto
- Dhiman Basu, MD4 shared trials
- Wambui Machua, MD4 shared trials
- Jitendra I. Vasandani, MD4 shared trials
Recent clinical trials with Dr. Matsumoto
A Multi-centre Long-term Extension Study to Assess the Safety and Efficacy of GSK3196165 in the Treatment of Rheumatoid Arthritis (opens in a new tab)
Sources: Dmand AI Research Linkage; and ClinicalTrials.gov (National Library of Medicine)
Dr. Alan Ken Matsumoto received $308,702 in industry payments from 2016 to 2025
CMS Open Payments shows 936 general payments to Dr. Matsumoto from 34 drug and device companies from 2016 to 2025. Consulting fees make up the largest share, 65% of the total. Bristol-Myers Squibb Company paid the most, $72,368.
General payments to Dr. Matsumoto by program year, 2016 to 2025
General payments to Dr. Matsumoto by kind, 2016 to 2025
- Consulting fees$201,19265%
- Travel and lodging$46,57715%
- Honoraria$26,1948%
- Speaker and faculty fees$20,7307%
- Other$14,0095%
Companies that paid Dr. Matsumoto 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. Alan Ken Matsumoto graduated from University of Illinois College of Med (Chi/Peor/Rock/Chm-Urb)
Dr. Matsumoto graduated from University of Illinois College of Med (Chi/Peor/Rock/Chm-Urb) in 1985.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Alan Ken Matsumoto'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 |
| Primary practice, affiliations and health system | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand AI Affiliation 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 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)Clinician Public Reporting: Overall MIPS Performance (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 |
| Clinical trials and co-investigators | Dmand AI Research LinkageClinicalTrials.gov (National Library of Medicine) (opens in a new tab) |
| 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. Alan Ken Matsumoto
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. Alan Ken Matsumoto's NPI number?
Dr. Alan Ken Matsumoto's NPI number is 1043219298. It was assigned on July 19, 2005, and it is active in the NPI Registry.
What kind of doctor is Dr. Alan Ken Matsumoto?
Dr. Alan Ken Matsumoto is a rheumatologist in Silver Spring, Maryland. The primary specialty in the NPI Registry is Rheumatology Physician (taxonomy code 207RR0500X).
Where does Dr. Alan Ken Matsumoto practice?
Dr. Matsumoto practices at 2730 University W Blvd, Silver Spring, MD 20902. Dr. Matsumoto's primary practice is Silver Spring Podiatry Center in Silver Spring, Maryland. Dmand AI also links Dr. Matsumoto to 1 group practice or clinic.
What is Dr. Alan Ken Matsumoto's office phone number?
The practice phone on file for Dr. Matsumoto is (301) 949-3668.
What is Dr. Alan Ken Matsumoto's medical license number?
Dr. Matsumoto holds Maryland license D0036867.
What medical group is Dr. Alan Ken Matsumoto part of?
Dr. Matsumoto is linked to Arthritis and Rheumatism Associates, P.C.
Does Dr. Alan Ken Matsumoto accept Medicare?
Yes. CMS data shows Dr. Matsumoto billed Medicare for 153,668 services in 2024, and Dr. Matsumoto accepts Medicare assignment.
Does Dr. Alan Ken Matsumoto offer telehealth?
Yes. The CMS Doctors and Clinicians file lists Dr. Matsumoto as offering telehealth services.
What is Dr. Alan Ken Matsumoto's MIPS score?
Dr. Matsumoto's MIPS final score for performance year 2024 is 86 out of 100, reported as part of a group.
How many Medicare patients does Dr. Alan Ken Matsumoto see?
CMS counts 1,266 Medicare patients who saw Dr. Matsumoto in 2024, with an average age of 76.
Show 7 more questionsShow fewer questions
What services does Dr. Alan Ken Matsumoto bill to Medicare?
In 2024, Dr. Matsumoto's most billed Medicare services were injected or infused drug (J3262), injected or infused drug (J3111) and injected or infused drug (J0897).
Where did Dr. Alan Ken Matsumoto go to medical school?
Dr. Matsumoto graduated from University of Illinois College of Med (Chi/Peor/Rock/Chm-Urb) in 1985.
What drugs does Dr. Alan Ken Matsumoto prescribe most?
In 2024 Medicare Part D data, Dr. Matsumoto's most prescribed drugs by claims were Methotrexate, Prednisone and Hydroxychloroquine Sulfate.
Has Dr. Alan Ken Matsumoto received payments from drug or device companies?
CMS Open Payments shows $308,702 in general payments to Dr. Matsumoto from 34 companies from 2016 to 2025. The largest total came from Bristol-Myers Squibb Company.
How long has Dr. Alan Ken Matsumoto been practicing?
Dr. Matsumoto graduated from medical school in 1985, 41 years ago.
Does Dr. Alan Ken Matsumoto do research?
Dmand AI links 4 publications to Dr. Matsumoto, published from 2017 to 2023. Dr. Matsumoto has worked on 8 clinical trials.
Who does Dr. Alan Ken Matsumoto publish with?
Dr. Matsumoto's most frequent co-authors are Mark Christopher Genovese, MD (2 shared papers), Alan J. Kivitz, MD (2 shared papers) and Matthew Charles Baker, MD (1 shared paper).
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