John Clayton Foster

  • Mount Pleasant, SC
  • Anesthesiologist
NPI1417480021PAC ID0749567402
Medicare services, 2024
383
Medicare patients, 2024
295
Publications
2
MIPS score, 2024
79
Hospital affiliations
1
Practice address
1208 2 Island Ct, Mount Pleasant, SC 29466
Practice phone
Call (803) 286-4666
Professional email
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Personal email
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Mobile number
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Social profiles

Primary practice

MUSC Physicians

Mount Pleasant, South Carolina

See all 6 affiliations

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John Clayton Foster is an anesthesiologist in Mount Pleasant, South Carolina

John Foster practices at MUSC Physicians in Mount Pleasant, South Carolina.

John Foster's NPI, 1417480021, was assigned on April 10, 2017. John Foster graduated from University Of Florida College Of Medicine in 2017. John Foster holds South Carolina license 86482.

NPI and contact details
Medicare PAC ID
0749567402
NPI enumeration date
April 10, 2017
NPI status
Active
Accepts Medicare assignment
Yes
Practice phone
(803) 286-4666
Professional email
Get email
Personal email
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Mobile number
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Sex
Male
Estimated age
35
Medical school graduation
2017

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)

John Clayton Foster practices at MUSC Physicians in Mount Pleasant, South Carolina

John Foster's primary practice is MUSC Physicians, at 1208 2 Island Ct, Mount Pleasant, SC 29466 in Charleston County. The practice phone is (803) 286-4666.

  • MUSC Physicians
    1208 2 Island Ct, Mount Pleasant, SC 29466 · Charleston CountyPhone(803) 286-4666

Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data

John Clayton Foster is affiliated with 4 sites of care and 2 medical groups

John Foster's primary practice is MUSC Physicians in Mount Pleasant, South Carolina. John Foster is also affiliated with MUSC Health University Medical Center. The medical group on file is MUSC Health. Dmand AI also links John Foster to 2 more group practices and clinics and 1 medical group, each named with a free account.

See all 6 affiliations for John Foster

Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; and Dmand AI Affiliation Data

Dmand AI tracks the EHR system at John Clayton Foster's practice

Dmand AI tracks the electronic health record (EHR) system at each site where John Foster practices, 3 sites in all. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
MUSC PhysiciansAvailable with a free account
+3 more sites and 1 medical groupAvailable with a free account

Source: Dmand AI Technology Install Data

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John Clayton Foster is one of 626 anesthesiologists in South Carolina

Anesthesiology is John Foster's primary specialty in the NPI Registry, under taxonomy code 207L00000X. John Foster is board certified in adult cardiac anesthesiology by the American Board of Anesthesiology. Dmand AI has John Foster's licenses on file in 2 states: South Carolina and Alabama.

Specialties and state licenses

  • Anesthesiology, South CarolinaPrimaryLicense 86482 · 2021 to 2027 · taxonomy 207L00000X
  • Alabama license2018 to 2021

Anesthesiologists near John Foster

Counts of anesthesiologists 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

John Clayton Foster billed Medicare for 383 services in 2024

CMS data shows 383 Medicare services from John Foster across 13 procedure codes in 2024, for 295 Medicare patients. Medicare paid $30,608 for them. Every service was in a facility, such as a hospital, rather than an office.

Medicare services, 2024383
Medicare patients295
Paid by Medicare$30,608
Procedure codes13

John Foster's Medicare services by type, 2023 to 2024

  • 2023
  • 2024
Office and hospital visits
2023: 02024: 121
Anesthesia
2023: 252024: 118372%
Tests and treatments
2023: 592024: 7629%
Surgery
2023: 312024: 5061%
Imaging
2023: 142024: 1829%

John Foster compared with the South Carolina median for anesthesiologists, 2024

  • John Foster
  • South Carolina median
Medicare services
383vs 20092% above
Medicare patients
295vs 282Close to median

Medians across 637 anesthesiologists in South Carolina with Dmand AI profiles that report each measure.

John Foster'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 John Foster and other anesthesiologists in South Carolina.

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Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks

John Clayton Foster treated 295 Medicare patients in 2024, average age 73

CMS counts 295 Medicare patients who saw John Foster in 2024. The largest group is 65 to 74, with 157 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 6% are also on Medicaid. Their average risk score is 1.80, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.

Across all payers, Dmand AI patient panel data puts John Foster's median patient age at 61, with 50% women.

Medicare patients, 2024295
Average age73
Average risk score1.80
Also on Medicaid6%

John Foster's Medicare patients by age, 2024

John Foster's Medicare patients by sex, 2024

  • Women14047%
  • Men15553%

Chronic conditions among John Foster's Medicare patients, 2024

  1. High blood pressure75%
  2. High cholesterol75%
  3. Arthritis56%
  4. Atrial fibrillation42%
  5. Ischemic heart disease42%
  6. Anxiety39%
  7. Heart failure35%
  8. Mood disorders32%

Share of Medicare patients with each condition. A patient can have several.

John Foster's patients across all payers

Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.

Patient panel by age, all payers

Median age 61

Patient panel by sex, all payers

  • Women50%
  • Men49%

Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data

John Clayton Foster scored 79 out of 100 in Medicare's MIPS program for 2024

CMS publishes a Merit-based Incentive Payment System (MIPS) score of 79 out of 100 for John Foster for performance year 2024, reported as part of a group. John Foster accepts Medicare assignment, so Medicare's approved amount is taken as full payment.

Accepts Medicare assignment
Yes

John Foster's MIPS scores, performance year 2024

  • 79of 100Final score
  • 62.4of 100Quality
  • 99of 100Promoting Interoperability
  • 40of 100Improvement Activities

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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John Clayton Foster has 2 publications on record

Dmand AI links 2 papers to John Foster in 2024. John Foster's most frequent co-authors are Sean Patrick Kiley, MD, Joshua Warren Sappenfield, MD and Robert S. Smith, MD.

Papers2

John Foster's most frequent co-authors

Recent publications by John Foster

See all 2 publications and co-authors

See who John Foster researches with

Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who John Foster works with, so you can find a warm path to the right anesthesiologists.

How network discovery works

Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage

John Clayton Foster received $24 in industry payments in 2025

CMS Open Payments shows 1 general payment to John Foster from 1 drug or device company in 2025. Food and beverage make up the largest share, 100% of the total. Fisher & Paykel Healthcare Inc paid the most, $24.

Companies that paid John Foster the most, 2025 to 2025

Share is of all general payments to this clinician.

See all payments to John Foster

Source: Open Payments (CMS), 2025 data, released July 7, 2026

John Clayton Foster graduated from University Of Florida College Of Medicine

John Foster graduated from University Of Florida College Of Medicine in 2017.

  1. Medical schoolUniversity Of Florida College Of Medicine
  2. Board certified in adult cardiac anesthesiologyAmerican Board of Anesthesiology
  3. Board certified in anesthesiologyAmerican Board of Anesthesiology

Source: Dmand AI Professional Profile Data

John Clayton Foster accepts plans from 3 insurance carriers

John Foster is in network with 3 carriers, including United Healthcare, Aetna and CMS Medicare. HMO plans come from the most carriers, 2. Check the plan with the practice before a visit.

  • United Healthcare
  • Aetna
  • CMS Medicare

Plan types John Foster accepts, by number of carriers

  1. HMO2
  2. Medicare2
  3. PPO1

Source: Dmand AI Insurance Network Data

Sources for John Clayton Foster's profile data

Sources for the data on this page
Data on this pageSource
NPI, name, sex, specialty and licensesNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data
Practice locations and phoneNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data
Primary practice, affiliations and health systemNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand AI Affiliation Data
Medicare services and procedure codesMedicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab)
State medians for the same specialtyDmand AI Peer Benchmarks
Medicare patients and the all-payer patient panelDmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab)
MIPS scores, telehealth, assignment and procedure percentilesDoctors 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-authorsPubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage
Industry paymentsOpen Payments (CMS) (opens in a new tab)
Training, board certification and membershipsDmand AI Professional Profile Data
Insurance carriers and plan typesDmand AI Insurance Network Data
EHR at each practice siteDmand AI Technology Install Data
Similar physiciansDmand AI Affiliation Data

Data last refreshed October 2026Report an inaccuracyRemove my information

FAQ

Frequently asked questions about John Clayton Foster

Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.

What is John Clayton Foster's NPI number?

John Clayton Foster's NPI number is 1417480021. It was assigned on April 10, 2017, and it is active in the NPI Registry.

What does John Clayton Foster specialize in?

John Clayton Foster is an anesthesiologist in Mount Pleasant, South Carolina. The primary specialty in the NPI Registry is Anesthesiology Physician (taxonomy code 207L00000X).

Where does John Clayton Foster practice?

John Foster practices at 1208 2 Island Ct, Mount Pleasant, SC 29466. John Foster's primary practice is MUSC Physicians in Mount Pleasant, South Carolina. Dmand AI also links John Foster to 2 group practices and clinics and 1 medical group.

What is John Clayton Foster's office phone number?

The practice phone on file for John Foster is (803) 286-4666.

What is John Clayton Foster's medical license number?

John Foster holds South Carolina license 86482, one of the licenses on file in 2 states.

Which states has John Clayton Foster been licensed in?

Dmand AI has state licenses on file for John Foster in South Carolina (2021 to 2027) and Alabama (2018 to 2021).

Which hospitals is John Clayton Foster affiliated with?

John Foster is affiliated with MUSC Health University Medical Center.

What medical group is John Clayton Foster part of?

John Foster is linked to MUSC Health. Dmand AI links John Foster to 1 more medical group.

Does John Clayton Foster accept Medicare?

Yes. CMS data shows John Foster billed Medicare for 383 services in 2024, and John Foster accepts Medicare assignment.

What is John Clayton Foster's MIPS score?

John Foster's MIPS final score for performance year 2024 is 79 out of 100, reported as part of a group.

Show 9 more questionsShow fewer questions

How many Medicare patients does John Clayton Foster see?

CMS counts 295 Medicare patients who saw John Foster in 2024, with an average age of 73.

Is John Clayton Foster board certified?

Yes. John Foster is board certified in adult cardiac anesthesiology by the American Board of Anesthesiology.

What services does John Clayton Foster bill to Medicare?

In 2024, John Foster's most billed Medicare services were critical care (99291), critical care (99292) and surgery: heart and blood vessels (36620).

Where did John Clayton Foster go to medical school?

John Foster graduated from University Of Florida College Of Medicine in 2017.

Has John Clayton Foster received payments from drug or device companies?

CMS Open Payments shows $24 in general payments to John Foster from 1 company from 2025 to 2025. The largest total came from Fisher & Paykel Healthcare Inc.

How long has John Clayton Foster been practicing?

John Foster graduated from medical school in 2017, 9 years ago.

Does John Clayton Foster do research?

Dmand AI links 2 publications to John Foster.

Who does John Clayton Foster publish with?

John Foster's most frequent co-authors are Sean Patrick Kiley, MD (1 shared paper), Joshua Warren Sappenfield, MD (1 shared paper) and Robert S. Smith, MD (1 shared paper).

What insurance does John Clayton Foster accept?

John Foster is in network with 3 carriers, including United Healthcare, Aetna and CMS Medicare. HMO plans come from the most carriers, 2. Check the plan with the practice before a visit.

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