Dr. Stephen Marshall Smith, MD
- Medicare services, 2024
- 873
- Medicare patients, 2024
- 193
- Part D claims, 2024
- 40
- MIPS score, 2024
- 70
- Hospital affiliations
- 2
- Practice address
- 94 Old Short Hills Road, Livingston, NJ 07039
- Practice phone
- Call (973) 322-5000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
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Dr. Stephen Marshall Smith is an infectious disease specialist in Livingston, New Jersey
Dr. Smith practices at Cooperman Barnabas Medical Center in Livingston, New Jersey, part of RWJBarnabas Health.
Dr. Smith's NPI, 1104875814, was assigned on May 9, 2006. Dr. Smith graduated from Yale University School of Medicine in 1989. Dr. Smith holds New Jersey license MA060236.
- NPI
- 1104875814NPI Registry (opens in a new tab)
- Medicare PAC ID
- 2163417858
- NPI enumeration date
- May 9, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (973) 322-5000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 63
- Medical school graduation
- 1989
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Stephen Marshall Smith practices at Cooperman Barnabas Medical Center in Livingston, New Jersey
Dr. Smith's primary practice is Cooperman Barnabas Medical Center, at 94 Old Short Hills Road, Livingston, NJ 07039 in Essex County. The practice phone is (973) 322-5000.
- Cooperman Barnabas Medical Center94 Old Short Hills Road, Livingston, NJ 07039 · Essex CountyPhone(973) 322-5000
Source: Dmand AI Affiliation Data
Dr. Stephen Marshall Smith is affiliated with 4 sites of care and 2 medical groups
Dr. Smith's primary practice is Cooperman Barnabas Medical Center in Livingston, New Jersey, part of RWJBarnabas Health. Dr. Smith is also affiliated with CareWell Health Medical Center. The medical group on file is Infectious Disease Specialists. Dmand AI also links Dr. Smith to 2 more group practices and clinics and 1 medical group, 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. Stephen Marshall Smith's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Smith practices, 4 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Cooperman Barnabas Medical Center | Available with a free account |
| +3 more sites and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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Dmand AI maps EHR vendors, IT decision makers and buying committees across RWJBarnabas Health and 6.2K+ hospitals, with verified contacts in the same login.
Dr. Stephen Marshall Smith is one of 340 infectious disease specialists in New Jersey
Infectious disease is Dr. Smith's primary specialty in the NPI Registry, under taxonomy code 207RI0200X. Dr. Smith is licensed in New Jersey.
Specialties and state licenses
- Infectious disease, New JerseyPrimary
Infectious disease specialists near Dr. Smith
Counts of infectious disease specialists 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. Stephen Marshall Smith billed Medicare for 873 services in 2024
CMS data shows 873 Medicare services from Dr. Smith across 3 procedure codes in 2024, for 193 Medicare patients. Medicare paid $91,163 for them. Every service was in a facility, such as a hospital, rather than an office.
Dr. Smith's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 1,6112024: 87346%
Dr. Smith compared with the New Jersey median for infectious disease specialists, 2024
- Dr. Smith
- New Jersey median
- Medicare services
- 873vs 9589% below
- Medicare patients
- 193vs 38249% below
- Part D claims
- 12vs 16293% below
Medians across 330 infectious disease specialists in New Jersey with Dmand AI profiles that report each measure.
Dr. Smith'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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Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Stephen Marshall Smith treated 193 Medicare patients in 2024, average age 76
CMS counts 193 Medicare patients who saw Dr. Smith in 2024. The largest group is 75 to 84, with 64 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 38% are also on Medicaid. Their average risk score is 3.01, 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. Smith's median patient age at 68, with 52% women.
Dr. Smith's Medicare patients by age, 2024
Dr. Smith's Medicare patients by sex, 2024
- Women9750%
- Men9650%
Chronic conditions among Dr. Smith's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Diabetes62%
- Chronic kidney disease56%
- Arthritis52%
- Ischemic heart disease51%
- Mood disorders50%
- Heart failure46%
Share of Medicare patients with each condition. A patient can have several.
Dr. Smith's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 68
Patient panel by sex, all payers
- Women52%
- Men43%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Stephen Marshall Smith wrote 40 Medicare Part D claims in 2024
In 2024, Dr. Smith wrote 40 Medicare Part D claims for 14 patients. 90% of them were for generic drugs. CMS names the drug for 12 of them, across 1 drug with 11 or more claims each, at $2,670 in total drug cost. In 2021, CMS named 13 claims across 1 drug.
Dr. Smith's Part D claims by kind of drug, 2024
- Generic36 claims90%
- Brand-name and other4 claims10%
Dr. Smith's most prescribed drugs by claims, 2022
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. Smith's Part D claims, 2024
- Antibiotics75%30 of 40 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, 2021 to 2022
- 2021
- 2022
- Claims for drugs CMS names
- 2021: 132022: 128%
Drugs named by CMS: 1 in 2022, 1 in 2021.
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. Stephen Marshall Smith scored 70 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 70 out of 100 for Dr. Smith for performance year 2024, reported as part of a group. Dr. Smith accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Dr. Smith's MIPS scores, performance year 2024
- 70of 100Final score
- 95of 100Quality
- 0of 100Improvement Activities
- 72of 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. Stephen Marshall Smith received $387 in industry payments from 2016 to 2023
CMS Open Payments shows 12 general payments to Dr. Smith from 5 drug and device companies from 2016 to 2023. Food and beverage make up the largest share, 92% of the total. Insmed, Inc. paid the most, $125.
General payments to Dr. Smith by program year, 2016 to 2023
General payments to Dr. Smith by kind, 2016 to 2023
- Food and beverage$35792%
- Education$308%
Companies that paid Dr. Smith the most, 2016 to 2023
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Stephen Marshall Smith graduated from Yale University School of Medicine
Dr. Smith graduated from Yale University School of Medicine in 1989.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Stephen Marshall Smith'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 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) |
| 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. Stephen Marshall Smith
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. Stephen Marshall Smith's NPI number?
Dr. Stephen Marshall Smith's NPI number is 1104875814. It was assigned on May 9, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Stephen Marshall Smith?
Dr. Stephen Marshall Smith is an infectious disease specialist in Livingston, New Jersey. The primary specialty in the NPI Registry is Infectious Disease Physician (taxonomy code 207RI0200X).
Where does Dr. Stephen Marshall Smith practice?
Dr. Smith practices at 94 Old Short Hills Road, Livingston, NJ 07039. Dr. Smith's primary practice is Cooperman Barnabas Medical Center in Livingston, New Jersey, part of RWJBarnabas Health. Dmand AI also links Dr. Smith to 2 group practices and clinics and 1 medical group.
What is Dr. Stephen Marshall Smith's office phone number?
The practice phone on file for Dr. Smith is (973) 322-5000.
What is Dr. Stephen Marshall Smith's medical license number?
Dr. Smith holds New Jersey license MA060236.
Which hospitals is Dr. Stephen Marshall Smith affiliated with?
Dr. Smith practices at Cooperman Barnabas Medical Center in Livingston, New Jersey. Dr. Smith is also affiliated with CareWell Health Medical Center.
What medical group is Dr. Stephen Marshall Smith part of?
Dr. Smith is linked to Infectious Disease Specialists. Dmand AI links Dr. Smith to 1 more medical group.
Does Dr. Stephen Marshall Smith accept Medicare?
Yes. CMS data shows Dr. Smith billed Medicare for 873 services in 2024, and Dr. Smith accepts Medicare assignment.
What is Dr. Stephen Marshall Smith's MIPS score?
Dr. Smith's MIPS final score for performance year 2024 is 70 out of 100, reported as part of a group.
How many Medicare patients does Dr. Stephen Marshall Smith see?
CMS counts 193 Medicare patients who saw Dr. Smith in 2024, with an average age of 76.
Show 5 more questionsShow fewer questions
What services does Dr. Stephen Marshall Smith bill to Medicare?
In 2024, Dr. Smith's most billed Medicare services were hospital inpatient care (99233), hospital inpatient care (99232) and hospital inpatient care (99223).
Where did Dr. Stephen Marshall Smith go to medical school?
Dr. Smith graduated from Yale University School of Medicine in 1989.
What drugs does Dr. Stephen Marshall Smith prescribe most?
In 2022 Medicare Part D data, Dr. Smith's most prescribed drugs by claims were Ceftriaxone.
Has Dr. Stephen Marshall Smith received payments from drug or device companies?
CMS Open Payments shows $387 in general payments to Dr. Smith from 5 companies from 2016 to 2023. The largest total came from Insmed, Inc.
How long has Dr. Stephen Marshall Smith been practicing?
Dr. Smith graduated from medical school in 1989, 37 years ago.
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