Curr Osteoporos Rep
Arthritis, RheumatoidBone and BonesBone Density
Dr. Elizabeth Smelter Clayton, MD
NPI1104051945PAC ID9537387329
- Medicare services, 2024
- 680,930
- Medicare patients, 2024
- 1,994
- Part D claims, 2024
- 2,408
- Publications
- 1
- Hospital affiliations
- 5
- Practice address
- 505 Dutchmans Ln, Easton, MD 21601
- Practice phone
- Call (410) 819-6545
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Rheumatology Associates of Delmarva
Easton, Maryland
Find Dr. Clayton's professional email, personal email and mobile number
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Dr. Elizabeth Smelter Clayton is a rheumatologist in Easton, Maryland
Dr. Clayton practices at Rheumatology Associates of Delmarva in Easton, Maryland.
Dr. Clayton's NPI, 1104051945, was assigned on May 22, 2009. Dr. Clayton graduated from University of Maryland School of Medicine in 2009. Dr. Clayton holds Maryland license D0077360.
NPI and contact details
- NPI
- 1104051945NPI Registry (opens in a new tab)
- Medicare PAC ID
- 9537387329
- NPI enumeration date
- May 22, 2009
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (410) 819-6545
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 43
- Medical school graduation
- 2009
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Elizabeth Smelter Clayton practices at Rheumatology Associates of Delmarva in Easton, Maryland
Dr. Clayton's primary practice is Rheumatology Associates of Delmarva, at 505 Dutchmans Ln, Easton, MD 21601 in Talbot County. The practice phone is (410) 819-6545.
- Rheumatology Associates of Delmarva505 Dutchmans Ln, Easton, MD 21601 · Talbot CountyPhone(410) 819-6545
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Elizabeth Smelter Clayton is affiliated with 7 sites of care and 1 medical group
Dr. Clayton's primary practice is Rheumatology Associates of Delmarva in Easton, Maryland. Dr. Clayton is also affiliated with University of Maryland Shore Medical Center at Easton. The medical group on file is Rheumatology Associates of Delmarva. Dmand AI also links Dr. Clayton to 4 more hospitals and 1 group practice or clinic, each named with a free account.
Rheumatology Associates of DelmarvaPrimary
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; and Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Dr. Elizabeth Smelter Clayton's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Clayton practices, 6 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Rheumatology Associates of Delmarva | Available with a free account |
| +6 more affiliated sites | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Elizabeth Smelter Clayton is one of 177 rheumatologists in Maryland
Rheumatology is Dr. Clayton's primary specialty in the NPI Registry, under taxonomy code 207RR0500X. Dr. Clayton is board certified in internal medicine by the American Board of Internal Medicine. Dr. Clayton is licensed in Maryland.
Specialties and state licenses
- Rheumatology, MarylandPrimary
Rheumatologists near Dr. Clayton
Counts of rheumatologists with a Dmand AI profile, by place and practice. Each opens the list.
177rheumatologists in Maryland
2rheumatologists in Easton
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Dr. Elizabeth Smelter Clayton billed Medicare for 680,930 services in 2024
CMS data shows 680,930 Medicare services from Dr. Clayton across 36 procedure codes in 2024, for 1,994 Medicare patients. Medicare paid $8,175,618 for them. Every service was in an office.
Medicare services, 2024680,930
Medicare patients1,994
Paid by Medicare$8.2M
Procedure codes36
Dr. Clayton's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Drugs given in the office
- 2023: 600,6032024: 672,96412%
- Tests and treatments
- 2023: 5,0522024: 5,55210%
- Office and hospital visits
- 2023: 1,0062024: 1,36736%
- Other services
- 2023: 1,8522024: 83555%
- Imaging
- 2023: 2882024: 18735%
- Surgery
- 2023: 02024: 25
Dr. Clayton compared with the Maryland median for rheumatologists, 2024
- Dr. Clayton
- Maryland median
- Medicare services
- 680,930vs 3,915173.9 times
- Medicare patients
- 1,994vs 3006.6 times
- Part D claims
- 2,089vs 7822.7 times
Medians across 168 rheumatologists in Maryland with Dmand AI profiles that report each measure.
Dr. Clayton'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. Clayton and other rheumatologists in Maryland.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Elizabeth Smelter Clayton treated 1,994 Medicare patients in 2024, average age 74
CMS counts 1,994 Medicare patients who saw Dr. Clayton in 2024. The largest group is 65 to 74, with 817 patients. 75% of them have high cholesterol, and 74% have high blood pressure. 11% are also on Medicaid. Their average risk score is 1.21, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Clayton's median patient age at 67, with 75% women.
Medicare patients, 20241,994
Average age74
Average risk score1.21
Also on Medicaid11%
Dr. Clayton's Medicare patients by age, 2024
Dr. Clayton's Medicare patients by sex, 2024
- Women1,55578%
- Men43922%
Chronic conditions among Dr. Clayton's Medicare patients, 2024
- High cholesterol75%
- High blood pressure74%
- Arthritis70%
- Osteoporosis60%
- Anxiety28%
- Mood disorders28%
- Depression26%
- Diabetes26%
Share of Medicare patients with each condition. A patient can have several.
Dr. Clayton's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 67
Patient panel by sex, all payers
- Women75%
- Men23%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Elizabeth Smelter Clayton wrote 2,408 Medicare Part D claims in 2024
In 2024, Dr. Clayton wrote 2,408 Medicare Part D claims for 516 patients. 76% of them were for generic drugs. CMS names the drug for 2,089 of them, across 39 drugs with 11 or more claims each, at $2,455,321 in total drug cost. In 2023, CMS named 1,869 claims across 38 drugs.
Part D claims, 20242,408
Drugs named by CMS39
Total drug cost$2.5M
Part D patients516
Dr. Clayton's Part D claims by kind of drug, 2024
- Generic1,842 claims76%
- Brand-name540 claims22%
- Other26 claims1%
Dr. Clayton'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. Clayton's Part D claims, 2024
- Opioids8%185 of 2,408 claims
- Antibiotics1%16 of 2,408 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: 1,8692024: 2,08912%
Drugs named by CMS: 39 in 2024, 38 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. Elizabeth Smelter Clayton takes part in Medicare
Dr. Clayton 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. Elizabeth Smelter Clayton has 1 publication on record
Dmand AI links 1 paper to Dr. Clayton.
Papers1
Recent publications by Dr. Clayton
See who Dr. Clayton researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Clayton 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. Elizabeth Smelter Clayton received $250,415 in industry payments from 2016 to 2025
CMS Open Payments shows 1,306 general payments to Dr. Clayton from 54 drug and device companies from 2016 to 2025. Speaker and faculty fees make up the largest share, 75% of the total. Eli Lilly and Company paid the most, $93,797.
General payments to Dr. Clayton by program year, 2016 to 2025
General payments to Dr. Clayton by kind, 2016 to 2025
$250.4Kin total
- Speaker and faculty fees$187,75075%
- Travel and lodging$31,19712%
- Food and beverage$23,6199%
- Consulting fees$6,9703%
- Other$8790%
Companies that paid Dr. Clayton 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. Elizabeth Smelter Clayton graduated from University of Maryland School of Medicine
Dr. Clayton graduated from University of Maryland School of Medicine in 2009.
- Medical school
- Board certified in internal medicine
- Board certified in rheumatology
Source: Dmand AI Professional Profile Data
Sources for Dr. Elizabeth Smelter Clayton'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) |
| 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. Elizabeth Smelter Clayton
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. Elizabeth Smelter Clayton's NPI number?
Dr. Elizabeth Smelter Clayton's NPI number is 1104051945. It was assigned on May 22, 2009, and it is active in the NPI Registry.
What kind of doctor is Dr. Elizabeth Smelter Clayton?
Dr. Elizabeth Smelter Clayton is a rheumatologist in Easton, Maryland. The primary specialty in the NPI Registry is Rheumatology Physician (taxonomy code 207RR0500X).
Where does Dr. Elizabeth Smelter Clayton practice?
Dr. Clayton practices at 505 Dutchmans Ln, Easton, MD 21601. Dr. Clayton's primary practice is Rheumatology Associates of Delmarva in Easton, Maryland. Dmand AI also links Dr. Clayton to 4 hospitals and 1 group practice or clinic.
What is Dr. Elizabeth Smelter Clayton's office phone number?
The practice phone on file for Dr. Clayton is (410) 819-6545.
What is Dr. Elizabeth Smelter Clayton's medical license number?
Dr. Clayton holds Maryland license D0077360.
Which hospitals is Dr. Elizabeth Smelter Clayton affiliated with?
Dr. Clayton is affiliated with University of Maryland Shore Medical Center at Easton. Dmand AI links Dr. Clayton to 4 more hospitals.
What medical group is Dr. Elizabeth Smelter Clayton part of?
Dr. Clayton is linked to Rheumatology Associates of Delmarva.
Does Dr. Elizabeth Smelter Clayton accept Medicare?
Yes. CMS data shows Dr. Clayton billed Medicare for 680,930 services in 2024, and Dr. Clayton accepts Medicare assignment.
How many Medicare patients does Dr. Elizabeth Smelter Clayton see?
CMS counts 1,994 Medicare patients who saw Dr. Clayton in 2024, with an average age of 74.
Is Dr. Elizabeth Smelter Clayton board certified?
Yes. Dr. Clayton is board certified in internal medicine by the American Board of Internal Medicine.
Show 6 more questionsShow fewer questions
What services does Dr. Elizabeth Smelter Clayton bill to Medicare?
In 2024, Dr. Clayton's most billed Medicare services were injected or infused drug (J0717), injected or infused drug (J3111) and injected or infused drug (J0897).
Where did Dr. Elizabeth Smelter Clayton go to medical school?
Dr. Clayton graduated from University of Maryland School of Medicine in 2009.
What drugs does Dr. Elizabeth Smelter Clayton prescribe most?
In 2024 Medicare Part D data, Dr. Clayton's most prescribed drugs by claims were Hydroxychloroquine Sulfate, Prednisone and Methotrexate.
Has Dr. Elizabeth Smelter Clayton received payments from drug or device companies?
CMS Open Payments shows $250,415 in general payments to Dr. Clayton from 54 companies from 2016 to 2025. The largest total came from Eli Lilly and Company.
How long has Dr. Elizabeth Smelter Clayton been practicing?
Dr. Clayton graduated from medical school in 2009, 17 years ago.
Does Dr. Elizabeth Smelter Clayton do research?
Dmand AI links 1 publication to Dr. Clayton.
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