Dr. John Howard Slish, MD

  • Columbus, GA
  • Emergency medicine physician
NPI1578774402PAC ID3870680705
Medicare services, 2024
35
Medicare patients, 2024
36
Part D claims, 2017
13
Publications
9
Hospital affiliations
2
Practice address
2122 Manchester Expressway, Columbus, GA 31995
Practice phone
Call (706) 596-4020
Professional email
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Personal email
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Mobile number
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Social profiles

Primary practice

St. Francis - Emory Healthcare

Hospital · Columbus, Georgia

See all 10 affiliations

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Dr. John Howard Slish is an emergency medicine physician in Columbus, Georgia

Dr. Slish practices at St. Francis - Emory Healthcare in Columbus, Georgia, part of ScionHealth.

Dr. Slish's NPI, 1578774402, was assigned on May 24, 2007. Dr. Slish graduated from Ross University School of Medicine in 2004. Dr. Slish holds Florida license ME101690.

NPI and contact details
Medicare PAC ID
3870680705
NPI enumeration date
May 24, 2007
NPI status
Active
Accepts Medicare assignment
Yes
Practice phone
(706) 596-4020
Professional email
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Personal email
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Mobile number
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Sex
Male
Estimated age
48
Medical school graduation
2004

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

Dr. John Howard Slish practices at St. Francis - Emory Healthcare in Columbus, Georgia

Dr. Slish's primary practice is St. Francis - Emory Healthcare, at 2122 Manchester Expressway, Columbus, GA 31995 in Muscogee County. The practice phone is (706) 596-4020.

Source: Dmand AI Affiliation Data

Dr. John Howard Slish is affiliated with 3 sites of care and 7 medical groups

Dr. Slish's primary practice is St. Francis - Emory Healthcare in Columbus, Georgia, part of ScionHealth. Dr. Slish is also affiliated with UF Health Shands Hospital. The medical group on file is Emergency Group Of Columbus. Dmand AI also links Dr. Slish to 6 more medical groups and 1 group practice or clinic, each named with a free account.

See all 10 affiliations for Dr. Slish

Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data

Dmand AI tracks the EHR system at Dr. John Howard Slish's practice

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

EHR by site
SiteEHR vendor and product
St. Francis - Emory HealthcareAvailable with a free account
+2 more sites and 6 medical groupsAvailable with a free account

Source: Dmand AI Technology Install Data

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Dr. John Howard Slish is one of 1,629 emergency medicine physicians in Georgia

Emergency medicine is Dr. Slish's primary specialty in the NPI Registry, under taxonomy code 207P00000X. Dr. Slish is board certified in emergency medicine by the American Board of Emergency Medicine. Dmand AI has Dr. Slish's licenses on file in 6 states: Florida, South Carolina, Alabama, Georgia, Louisiana and North Carolina.

Specialties and state licenses

  • Emergency medicine, FloridaPrimaryLicense ME101690 · 2008 to 2026 · taxonomy 207P00000X
  • South Carolina license2023 to 2027
  • Alabama license2024 to 2025
  • Georgia license2023 to 2025
  • Louisiana licenseLicense MD.201559 · 2007 to 2025
  • North Carolina license2022 to 2025

Emergency medicine physicians near Dr. Slish

Counts of emergency medicine physicians 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. John Howard Slish billed Medicare for 35 services in 2024

CMS data shows 35 Medicare services from Dr. Slish across 2 procedure codes in 2024, for 36 Medicare patients. Medicare paid $2,496 for them. Every service was in a facility, such as a hospital, rather than an office.

Medicare services, 202435
Medicare patients36
Paid by Medicare$2,496
Procedure codes2

Dr. Slish's Medicare services by type, 2023 to 2024

  • 2023
  • 2024
Office and hospital visits
2023: 432024: 1858%
Tests and treatments
2023: 02024: 17

Dr. Slish compared with the Georgia median for emergency medicine physicians, 2024

  • Dr. Slish
  • Georgia median
Medicare services
35vs 29188% below
Medicare patients
36vs 26186% below
Part D claims
13vs 9386% below

Medians across 1,545 emergency medicine physicians in Georgia with Dmand AI profiles that report each measure.

Dr. Slish'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.

See all procedures by Dr. Slish

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

Dr. John Howard Slish treated 36 Medicare patients in 2024, average age 77

CMS counts 36 Medicare patients who saw Dr. Slish in 2024. The largest group is 75 to 84, with 12 patients. 75% of them have high blood pressure, and 75% have high cholesterol. Their average risk score is 2.74, 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. Slish's median patient age at 57, with 57% women.

Medicare patients, 202436
Average age77
Average risk score2.74

Dr. Slish's Medicare patients by age, 2024

CMS leaves out age groups with fewer than 11 patients.

Dr. Slish's Medicare patients by sex, 2024

  • Women1747%
  • Men1953%

Chronic conditions among Dr. Slish's Medicare patients, 2024

  1. High blood pressure75%
  2. High cholesterol75%
  3. Ischemic heart disease53%
  4. Arthritis47%
  5. Diabetes44%
  6. Anxiety42%
  7. Chronic kidney disease42%
  8. Stroke or TIA42%

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

Dr. Slish's patients across all payers

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

Patient panel by age, all payers

Median age 57

Patient panel by sex, all payers

  • Women57%
  • Men42%

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

Dr. John Howard Slish wrote 13 Medicare Part D claims in 2017

In 2017, Dr. Slish wrote 13 Medicare Part D claims. They cover 1 drug, with $91 in total drug cost. In 2016, CMS named 18 claims across 1 drug.

Part D claims, 201713
Drugs named by CMS1
Total drug cost$91

Dr. Slish's most prescribed drugs by claims, 2017

CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.

Part D claims for drugs CMS names, 2016 to 2017

  • 2016
  • 2017
Claims for drugs CMS names
2016: 182017: 1328%

Drugs named by CMS: 1 in 2017, 1 in 2016.

See all prescribing by Dr. Slish

Source: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026

How Dr. John Howard Slish takes part in Medicare

Dr. Slish 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. John Howard Slish has 9 publications on record

Dmand AI links 9 papers to Dr. Slish, published from 2012 to 2020. 2012 was the busiest year, with 2. The most frequent topics are Emergency Medical Services. Dr. Slish has published most often in Case Rep Emerg Med. Dr. Slish's most frequent co-authors are Brandon Russell Allen, MD, Bobby Kapil Desai, MD and Matthew F. Ryan, MD, PhD.

Papers9
Years published2012 to 2020

Dr. Slish's papers by year, 2012 to 2020

Topics Dr. Slish writes about most

  • Emergency Medical Services

Dr. Slish's most frequent co-authors

Recent publications by Dr. Slish

See all 9 publications and co-authors

See who Dr. Slish researches with

Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Slish works with, so you can find a warm path to the right emergency medicine physicians.

How network discovery works

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

Dr. John Howard Slish received $90 in industry payments in 2020

CMS Open Payments shows 1 general payment to Dr. Slish from 1 drug or device company in 2020. Food and beverage make up the largest share, 100% of the total. Bristol-Myers Squibb Company paid the most, $90.

Companies that paid Dr. Slish the most, 2020 to 2020

Share is of all general payments to this clinician.

See all payments to Dr. Slish

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

Dr. John Howard Slish graduated from Ross University School of Medicine

Dr. Slish graduated from Ross University School of Medicine in 2004.

  1. Medical schoolRoss University School of Medicine
  2. Board certified in emergency medicineAmerican Board of Emergency Medicine

Source: Dmand AI Professional Profile Data

Dr. John Howard Slish accepts plans from 4 insurance carriers

Dr. Slish is in network with 4 carriers, including Excellus BlueCross BlueShield, CMS Medicare and Elevance. HMO plans come from the most carriers, 2. Check the plan with the practice before a visit.

  • Excellus BlueCross BlueShield
  • CMS Medicare
  • Elevance
  • GA State Medicaid

Plan types Dr. Slish accepts, by number of carriers

  1. HMO2
  2. Medicare2
  3. EPO1
  4. Medicaid1
  5. POS1
  6. PPO1

Source: Dmand AI Insurance Network Data

Sources for Dr. John Howard Slish'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 phoneDmand AI Affiliation Data
Primary practice, affiliations and health systemDmand AI Affiliation DataDmand AI Org Hierarchy 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)
Part D prescribingMedicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab)
MIPS scores, telehealth, assignment and procedure percentilesDoctors and Clinicians National Downloadable File (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 Dr. John Howard Slish

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. John Howard Slish's NPI number?

Dr. John Howard Slish's NPI number is 1578774402. It was assigned on May 24, 2007, and it is active in the NPI Registry.

What kind of doctor is Dr. John Howard Slish?

Dr. John Howard Slish is an emergency medicine physician in Columbus, Georgia. The primary specialty in the NPI Registry is Emergency Medicine Physician (taxonomy code 207P00000X).

Where does Dr. John Howard Slish practice?

Dr. Slish practices at 2122 Manchester Expressway, Columbus, GA 31995. Dr. Slish's primary practice is St. Francis - Emory Healthcare in Columbus, Georgia, part of ScionHealth. Dmand AI also links Dr. Slish to 6 medical groups and 1 group practice or clinic.

What is Dr. John Howard Slish's office phone number?

The practice phone on file for Dr. Slish is (706) 596-4020.

What is Dr. John Howard Slish's medical license number?

Dr. Slish holds Florida license ME101690, one of the licenses on file in 6 states.

Which states has Dr. John Howard Slish been licensed in?

Dmand AI has state licenses on file for Dr. Slish in Florida (2008 to 2026), South Carolina (2023 to 2027), Alabama (2024 to 2025), Georgia (2023 to 2025), Louisiana (2007 to 2025) and North Carolina (2022 to 2025).

Which hospitals is Dr. John Howard Slish affiliated with?

Dr. Slish practices at St. Francis - Emory Healthcare in Columbus, Georgia. Dr. Slish is also affiliated with UF Health Shands Hospital.

What medical group is Dr. John Howard Slish part of?

Dr. Slish is linked to Emergency Group Of Columbus. Dmand AI links Dr. Slish to 6 more medical groups.

Does Dr. John Howard Slish accept Medicare?

Yes. CMS data shows Dr. Slish billed Medicare for 35 services in 2024, and Dr. Slish accepts Medicare assignment.

How many Medicare patients does Dr. John Howard Slish see?

CMS counts 36 Medicare patients who saw Dr. Slish in 2024, with an average age of 77.

Show 9 more questionsShow fewer questions

Is Dr. John Howard Slish board certified?

Yes. Dr. Slish is board certified in emergency medicine by the American Board of Emergency Medicine.

What services does Dr. John Howard Slish bill to Medicare?

In 2024, Dr. Slish's most billed Medicare services were emergency department visit (99285) and heart test or procedure (93010).

Where did Dr. John Howard Slish go to medical school?

Dr. Slish graduated from Ross University School of Medicine in 2004.

What drugs does Dr. John Howard Slish prescribe most?

In 2017 Medicare Part D data, Dr. Slish's most prescribed drugs by claims were Oxycodone-Acetaminophen.

Has Dr. John Howard Slish received payments from drug or device companies?

CMS Open Payments shows $90 in general payments to Dr. Slish from 1 company from 2020 to 2020. The largest total came from Bristol-Myers Squibb Company.

How long has Dr. John Howard Slish been practicing?

Dr. Slish graduated from medical school in 2004, 22 years ago.

Does Dr. John Howard Slish do research?

Dmand AI links 9 publications to Dr. Slish, published from 2012 to 2020.

Who does Dr. John Howard Slish publish with?

Dr. Slish's most frequent co-authors are Brandon Russell Allen, MD (2 shared papers), Bobby Kapil Desai, MD (2 shared papers) and Matthew F. Ryan, MD, PhD (2 shared papers).

What insurance does Dr. John Howard Slish accept?

Dr. Slish is in network with 4 carriers, including Excellus BlueCross BlueShield, CMS Medicare and Elevance. HMO plans come from the most carriers, 2. Check the plan with the practice before a visit.

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